diff --git a/api/src/Mail.php b/api/src/Mail.php
index e832c24212..46d9001cbf 100644
--- a/api/src/Mail.php
+++ b/api/src/Mail.php
@@ -6530,22 +6530,22 @@ class Mail
 	/**
 	 * importMessageToMergeAndSend
 	 *
-	 * @param object &bo_merge bo_merge object
+	 * @param Storage\Merge bo_merge bo_merge object
 	 * @param string $document the full filename
 	 * @param array $SendAndMergeTocontacts array of contact ids
-	 * @param string $_folder (passed by reference) will set the folder used. must be set with a folder, but will hold modifications if
+	 * @param string& $_folder (passed by reference) will set the folder used. must be set with a folder, but will hold modifications if
 	 *					folder is modified
-	 * @param string $importID ID for the imported message, used by attachments to identify them unambiguously
+	 * @param string& $importID ID for the imported message, used by attachments to identify them unambiguously
 	 * @return mixed array of messages with success and failed messages or exception
 	 */
-	function importMessageToMergeAndSend(bo_merge $bo_merge, $document, $SendAndMergeTocontacts, &$_folder, &$importID='')
+	function importMessageToMergeAndSend(Storage\Merge $bo_merge, $document, $SendAndMergeTocontacts, &$_folder, &$importID='')
 	{
 		$importfailed = false;
 		$processStats = array('success'=>array(),'failed'=>array());
 		if (empty($SendAndMergeTocontacts))
 		{
 			$importfailed = true;
-			$alert_msg .= lang("Import of message %1 failed. No Contacts to merge and send to specified.",$_formData['name']);
+			$alert_msg .= lang("Import of message %1 failed. No Contacts to merge and send to specified.", '');
 		}
 
 		// check if formdata meets basic restrictions (in tmp dir, or vfs, mimetype, etc.)
@@ -6636,7 +6636,7 @@ class Mail
 							$nfn = ($contact['n_fn'] ? $contact['n_fn'] : $contact['n_given'].' '.$contact['n_family']);
 							if($email)
 							{
-								$mailObject->addAddress(Horde_Idna::encode($email),$mailObject->EncodeHeader($nfn));
+								$mailObject->addAddress(Horde_Idna::encode($email), $nfn);
 							}
 						}
 
@@ -6692,7 +6692,7 @@ class Mail
 							$nfn = ($contact['n_fn'] ? $contact['n_fn'] : $contact['n_given'].' '.$contact['n_family']);
 							if($email)
 							{
-								$mailObject->addAddress(Horde_Idna::encode($email),$mailObject->EncodeHeader($nfn));
+								$mailObject->addAddress(Horde_Idna::encode($email), $nfn);
 							}
 						}
 						$mailObject->addHeader('Subject', $bo_merge->merge_string($Subject, $val, $e, 'text/plain', array(), self::$displayCharset));
diff --git a/api/src/Storage/Merge.php b/api/src/Storage/Merge.php
new file mode 100644
index 0000000000..68128a8955
--- /dev/null
+++ b/api/src/Storage/Merge.php
@@ -0,0 +1,2046 @@
+<?php
+/**
+ * EGroupware - Document merge print
+ *
+ * @link http://www.egroupware.org
+ * @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
+ * @package api
+ * @subpackage storage
+ * @copyright (c) 2007-16 by Ralf Becker <RalfBecker-AT-outdoor-training.de>
+ * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
+ * @version $Id$
+ */
+
+namespace EGroupware\Api\Storage;
+
+use EGroupware\Api;
+use EGroupware\Stylite;
+
+use DOMDocument;
+use XSLTProcessor;
+use tidy;
+use ZipArchive;
+
+// explicit import old, non-namespaced phpgwapi classes
+use uiaccountsel;
+use egw;	// link
+
+/**
+ * Document merge print
+ *
+ * @todo move apply_styles call into merge_string to run for each entry merged and not all together to lower memory requirements
+ */
+abstract class Merge
+{
+	/**
+	 * Instance of the addressbook_bo class
+	 *
+	 * @var addressbook_bo
+	 */
+	var $contacts;
+
+	/**
+	 * Datetime format according to user preferences
+	 *
+	 * @var string
+	 */
+	var $datetime_format = 'Y-m-d H:i';
+
+	/**
+	 * Fields that are to be treated as datetimes, when merged into spreadsheets
+	 */
+	var $date_fields = array();
+
+	/**
+	 * Mimetype of document processed by merge
+	 *
+	 * @var string
+	 */
+	var $mimetype;
+
+	/**
+	 * Plugins registered by extending class to create a table with multiple rows
+	 *
+	 * $$table/$plugin$$ ... $$endtable$$
+	 *
+	 * Callback returns replacements for row $n (stringing with 0) or null if no further rows
+	 *
+	 * @var array $plugin => array callback($plugin,$id,$n)
+	 */
+	var $table_plugins = array();
+
+	/**
+	 * Export limit in number of entries or some non-numerical value, if no export allowed at all, empty means no limit
+	 *
+	 * Set by constructor to $GLOBALS[egw_info][server][export_limit]
+	 *
+	 * @var int|string
+	 */
+	public $export_limit;
+
+
+	/**
+	 * Configuration for HTML Tidy to clean up any HTML content that is kept
+	 */
+	public static $tidy_config = array(
+		'output-xml'		=> true,	// Entity encoding
+		'show-body-only'	=> true,
+		'output-encoding'	=> 'utf-8',
+		'input-encoding'	=> 'utf-8',
+		'quote-ampersand'	=> false,	// Prevent double encoding
+		'quote-nbsp'		=> true,	// XSLT can handle spaces easier
+		'preserve-entities'	=> true,
+		'wrap'			=> 0,		// Wrapping can break output
+	);
+
+	/**
+	 * Parse HTML styles into target document style, if possible
+	 *
+	 * Apps not using html in there own data should set this with Customfields::use_html($app)
+	 * to avoid memory and time consuming html processing.
+	 */
+	protected $parse_html_styles = true;
+
+	/**
+	 * Enable this to report memory_usage to error_log
+	 *
+	 * @var boolean
+	 */
+	public $report_memory_usage = false;
+
+	/**
+	 * Constructor
+	 *
+	 * @return bo_merge
+	 */
+	function __construct()
+	{
+		// Common messages are in preferences
+		Api\Translation::add_app('preferences');
+		// All contact fields are in addressbook
+		Api\Translation::add_app('addressbook');
+
+		$this->contacts = new Api\Contacts();
+
+		$this->datetime_format = $GLOBALS['egw_info']['user']['preferences']['common']['dateformat'].' '.
+			($GLOBALS['egw_info']['user']['preferences']['common']['timeformat']==12 ? 'h:i a' : 'H:i');
+
+		$this->export_limit = self::getExportLimit();
+	}
+
+	/**
+	 * Hook returning options for export_limit_excepted groups
+	 *
+	 * @param array $config
+	 */
+	public static function hook_export_limit_excepted($config)
+	{
+		$accountsel = new uiaccountsel();
+
+		return '<input type="hidden" value="" name="newsettings[export_limit_excepted]" />'.
+			$accountsel->selection('newsettings[export_limit_excepted]','export_limit_excepted',$config['export_limit_excepted'],'both',4);
+	}
+
+	/**
+	 * Get all replacements, must be implemented in extending class
+	 *
+	 * Can use eg. the following high level methods:
+	 * - contact_replacements($contact_id,$prefix='')
+	 * - format_datetime($time,$format=null)
+	 *
+	 * @param int $id id of entry
+	 * @param string &$content=null content to create some replacements only if they are use
+	 * @return array|boolean array with replacements or false if entry not found
+	 */
+	abstract protected function get_replacements($id,&$content=null);
+
+	/**
+	 * Return if merge-print is implemented for given mime-type (and/or extension)
+	 *
+	 * @param string $mimetype eg. text/plain
+	 * @param string $extension only checked for applications/msword and .rtf
+	 */
+	static public function is_implemented($mimetype,$extension=null)
+	{
+		static $zip_available=null;
+		if (is_null($zip_available))
+		{
+			$zip_available = check_load_extension('zip') &&
+				class_exists('ZipArchive');	// some PHP has zip extension, but no ZipArchive (eg. RHEL5!)
+		}
+		switch ($mimetype)
+		{
+			case 'application/msword':
+				if (strtolower($extension) != '.rtf') break;
+			case 'application/rtf':
+			case 'text/rtf':
+				return true;	// rtf files
+			case 'application/vnd.oasis.opendocument.text':	// oo text
+			case 'application/vnd.oasis.opendocument.spreadsheet':	// oo spreadsheet
+				if (!$zip_available) break;
+				return true;	// open office write xml files
+			case 'application/vnd.openxmlformats-officedocument.wordprocessingml.document':	// ms word 2007 xml format
+			case 'application/vnd.openxmlformats-officedocument.wordprocessingml.d':	// mimetypes in vfs are limited to 64 chars
+			case 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet':	// ms excel 2007 xml format
+			case 'application/vnd.openxmlformats-officedocument.spreadsheetml.shee':
+				if (!$zip_available) break;
+				return true;	// ms word xml format
+			case 'application/xml':
+				return true;	// alias for text/xml, eg. ms office 2003 word format
+			case 'message/rfc822':
+				return true; // ToDo: check if you are theoretical able to send mail
+			case 'application/x-yaml':
+				return true;	// yaml file, plain text with marginal syntax support for multiline replacements
+			default:
+				if (substr($mimetype,0,5) == 'text/')
+				{
+					return true;	// text files
+				}
+				break;
+		}
+		return false;
+
+		// As browsers not always return correct mime types, one could use a negative list instead
+		//return !($mimetype == Api\Vfs::DIR_MIME_TYPE || substr($mimetype,0,6) == 'image/');
+	}
+
+	/**
+	 * Return replacements for a contact
+	 *
+	 * @param int|string|array $contact contact-array or id
+	 * @param string $prefix ='' prefix like eg. 'user'
+	 * @param boolean $ignore_acl =false true: no acl check
+	 * @return array
+	 */
+	public function contact_replacements($contact,$prefix='',$ignore_acl=false)
+	{
+		if (!is_array($contact))
+		{
+			$contact = $this->contacts->read($contact, $ignore_acl);
+		}
+		if (!is_array($contact)) return array();
+
+		$replacements = array();
+		foreach(array_keys($this->contacts->contact_fields) as $name)
+		{
+			$value = $contact[$name];
+			switch($name)
+			{
+				case 'created': case 'modified':
+					if($value) $value = Api\DateTime::to($value);
+					break;
+				case 'bday':
+					if ($value)
+					{
+						$value = Api\DateTime::to($value, true);
+					}
+					break;
+				case 'owner': case 'creator': case 'modifier':
+					$value = Api\Accounts::username($value);
+					break;
+				case 'cat_id':
+					if ($value)
+					{
+						// if cat-tree is displayed, we return a full category path not just the name of the cat
+						$use = $GLOBALS['egw_info']['server']['cat_tab'] == 'Tree' ? 'path' : 'name';
+						$cats = array();
+						foreach(is_array($value) ? $value : explode(',',$value) as $cat_id)
+						{
+							$cats[] = $GLOBALS['egw']->categories->id2name($cat_id,$use);
+						}
+						$value = implode(', ',$cats);
+					}
+					break;
+				case 'jpegphoto':	// returning a link might make more sense then the binary photo
+					if ($contact['photo'])
+					{
+						$value = ($GLOBALS['egw_info']['server']['webserver_url'][0] == '/' ?
+							($_SERVER['HTTPS'] ? 'https://' : 'http://').$_SERVER['HTTP_HOST'] : '').
+							$GLOBALS['egw']->link('/index.php',$contact['photo']);
+					}
+					break;
+				case 'tel_prefer':
+					if ($value && $contact[$value])
+					{
+						$value = $contact[$value];
+					}
+					break;
+				case 'account_id':
+					if ($value)
+					{
+						$replacements['$$'.($prefix ? $prefix.'/':'').'account_lid$$'] = $GLOBALS['egw']->accounts->id2name($value);
+					}
+					break;
+			}
+			if ($name != 'photo') $replacements['$$'.($prefix ? $prefix.'/':'').$name.'$$'] = $value;
+		}
+		// set custom fields, should probably go to a general method all apps can use
+		// need to load all cfs for $ignore_acl=true
+		foreach($ignore_acl ? Customfields::get('addressbook', true) : $this->contacts->customfields as $name => $field)
+		{
+			$name = '#'.$name;
+			$replacements['$$'.($prefix ? $prefix.'/':'').$name.'$$'] =
+				// use raw data for yaml, no user-preference specific formatting
+				$this->mimetype == 'application/x-yaml' ? (string)$contact[$name] :
+				Customfields::format($field, (string)$contact[$name]);
+		}
+
+		// Add in extra cat field
+		$cats = array();
+		foreach(is_array($contact['cat_id']) ? $contact['cat_id'] : explode(',',$contact['cat_id']) as $cat_id)
+		{
+			if(!$cat_id) continue;
+			if($GLOBALS['egw']->categories->id2name($cat_id,'main') != $cat_id)
+			{
+				$path = explode(' / ', $GLOBALS['egw']->categories->id2name($cat_id, 'path'));
+				unset($path[0]); // Drop main
+				$cats[$GLOBALS['egw']->categories->id2name($cat_id,'main')][] = implode(' / ', $path);
+			} elseif($cat_id) {
+				$cats[$cat_id] = array();
+			}
+		}
+		foreach($cats as $main => $cat) {
+			$replacements['$$'.($prefix ? $prefix.'/':'').'categories$$'] .= $GLOBALS['egw']->categories->id2name($main,'name')
+				. (count($cat) > 0 ? ': ' : '') . implode(', ', $cats[$main]) . "\n";
+		}
+		return $replacements;
+	}
+
+	/**
+	 * Get links for the given record
+	 *
+	 * Uses egw_link system to get link titles
+	 *
+	 * @param app Name of current app
+	 * @param id ID of current entry
+	 * @param only_app Restrict links to only given application
+	 * @param exclude Exclude links to these applications
+	 * @param style String One of:
+	 * 	'title' - plain text, just the title of the link
+	 * 	'link' - URL to the entry
+	 * 	'href' - HREF tag wrapped around the title
+	 */
+	protected function get_links($app, $id, $only_app='', $exclude = array(), $style = 'title')
+	{
+		$links = Api\Link::get_links($app, $id, $only_app);
+		$link_titles = array();
+		foreach($links as $link_info)
+		{
+			// Using only_app only returns the ID
+			if(!is_array($link_info) && $only_app && $only_app[0] !== '!')
+			{
+				$link_info = array(
+					'app'	=> $only_app,
+					'id'	=> $link_info
+				);
+			}
+			if($exclude && in_array($link_info['id'], $exclude)) continue;
+
+			$title = Api\Link::title($link_info['app'], $link_info['id']);
+			if(class_exists('EGroupware\Stylite\Vfs\Links\StreamWrapper') && $link_info['app'] != Api\Link::VFS_APPNAME)
+			{
+				$title = Stylite\Vfs\Links\StreamWrapper::entry2name($link_info['app'], $link_info['id'], $title);
+			}
+			if($style == 'href' || $style == 'link')
+			{
+				$link = Api\Link::view($link_info['app'], $link_info['id'], $link_info);
+				if($link_info['app'] != Api\Link::VFS_APPNAME)
+				{
+					// Set app to false so we always get an external link
+					$link = str_replace(',','%2C',egw::link('/index.php',$link, false));
+				}
+				else
+				{
+					$link = egw::link($link, array());
+				}
+				// Prepend site
+				if ($link{0} == '/')
+				{
+					$link = ($_SERVER['HTTPS'] || $GLOBALS['egw_info']['server']['enforce_ssl'] ? 'https://' : 'http://').
+						($GLOBALS['egw_info']['server']['hostname'] ? $GLOBALS['egw_info']['server']['hostname'] : $_SERVER['HTTP_HOST']).$link;
+				}
+				$title = $style == 'href' ? Api\Html::a_href(Api\Html::htmlspecialchars($title), $link) : $link;
+			}
+			$link_titles[] = $title;
+		}
+		return implode("\n",$link_titles);
+	}
+
+	/**
+	 * Get all link placeholders
+	 *
+	 * Calls get_links() repeatedly to get all the combinations for the content.
+	 *
+	 * @param $app String appname
+	 * @param $id String ID of record
+	 * @param $prefix
+	 * @param $content String document content
+	 */
+	protected function get_all_links($app, $id, $prefix, &$content)
+	{
+		$array = array();
+		$pattern = '@\$(link|links|attachments|links_attachments)\/?(title|href|link)?\/?([a-z]*)\$@';
+		static $link_cache=null;
+		$matches = null;
+		if(preg_match_all($pattern, $content, $matches))
+		{
+			foreach($matches[0] as $i => $placeholder)
+			{
+				$placeholder = substr($placeholder, 1, -1);
+				if($link_cache[$id][$placeholder])
+				{
+					$array[$placeholder] = $link_cache[$id][$placeholder];
+					continue;
+				}
+				switch($matches[1][$i])
+				{
+					case 'link':
+						// Link to current record
+						$title = Api\Link::title($app, $id);
+						if(class_exists('EGroupware\Stylite\Vfs\Links\StreamWrapper') && $app != Api\Link::VFS_APPNAME)
+						{
+							$title = Stylite\Vfs\Links\StreamWrapper::entry2name($app, $id, $title);
+						}
+
+						$link = Api\Link::view($app, $id);
+						if($app != Api\Link::VFS_APPNAME)
+						{
+							// Set app to false so we always get an external link
+							$link = str_replace(',','%2C',egw::link('/index.php',$link, false));
+						}
+						else
+						{
+							$link = egw::link($link, array());
+						}
+						// Prepend site
+						if ($link{0} == '/')
+						{
+							$link = ($_SERVER['HTTPS'] || $GLOBALS['egw_info']['server']['enforce_ssl'] ? 'https://' : 'http://').
+								($GLOBALS['egw_info']['server']['hostname'] ? $GLOBALS['egw_info']['server']['hostname'] : $_SERVER['HTTP_HOST']).$link;
+						}
+						$array[($prefix?$prefix.'/':'').$placeholder] = Api\Html::a_href(Api\Html::htmlspecialchars($title), $link);
+						break;
+					case 'links':
+						$array[($prefix?$prefix.'/':'').$placeholder] = $this->get_links($app, $id, '!'.Api\Link::VFS_APPNAME, array(),$matches[2][$i]);
+						break;
+					case 'attachments':
+						$array[($prefix?$prefix.'/':'').$placeholder] = $this->get_links($app, $id, Api\Link::VFS_APPNAME,array(),$matches[2][$i]);
+						break;
+					default:
+						$array[($prefix?$prefix.'/':'').$placeholder] = $this->get_links($app, $id, $matches[3][$i], array(), $matches[2][$i]);
+						break;
+				}
+				$link_cache[$id][$placeholder] = $array[$placeholder];
+			}
+		}
+		// Need to set each app, to make sure placeholders are removed
+		foreach(array_keys($GLOBALS['egw_info']['user']['apps']) as $_app)
+		{
+			$array[($prefix?$prefix.'/':'')."links/$app"] = $this->get_links($app,$id,$_app);
+		}
+		return $array;
+	}
+
+	/**
+	 * Format a datetime
+	 *
+	 * @param int|string|DateTime $time unix timestamp or Y-m-d H:i:s string (in user time!)
+	 * @param string $format =null format string, default $this->datetime_format
+	 * @deprecated use Api\DateTime::to($time='now',$format='')
+	 * @return string
+	 */
+	protected function format_datetime($time,$format=null)
+	{
+		trigger_error(__METHOD__ . ' is deprecated, use Api\DateTime::to($time, $format)', E_USER_DEPRECATED);
+		if (is_null($format)) $format = $this->datetime_format;
+
+		return Api\DateTime::to($time,$format);
+	}
+
+	/**
+	 * Checks if current user is excepted from the export-limit:
+	 * a) access to admin application
+	 * b) he or one of his memberships is named in export_limit_excepted config var
+	 *
+	 * @return boolean
+	 */
+	public static function is_export_limit_excepted()
+	{
+		static $is_excepted=null;
+
+		if (is_null($is_excepted))
+		{
+			$is_excepted = isset($GLOBALS['egw_info']['user']['apps']['admin']);
+
+			// check export-limit and fail if user tries to export more entries then allowed
+			if (!$is_excepted && (is_array($export_limit_excepted = $GLOBALS['egw_info']['server']['export_limit_excepted']) ||
+				is_array($export_limit_excepted = unserialize($export_limit_excepted))))
+			{
+				$id_and_memberships = $GLOBALS['egw']->accounts->memberships($GLOBALS['egw_info']['user']['account_id'],true);
+				$id_and_memberships[] = $GLOBALS['egw_info']['user']['account_id'];
+				$is_excepted = (bool) array_intersect($id_and_memberships, $export_limit_excepted);
+			}
+		}
+		return $is_excepted;
+	}
+
+	/**
+	 * Checks if there is an exportlimit set, and returns
+	 *
+	 * @param string $app ='common' checks and validates app_limit, if not set returns the global limit
+	 * @return mixed - no if no export is allowed, false if there is no restriction and int as there is a valid restriction
+	 *		you may have to cast the returned value to int, if you want to use it as number
+	 */
+	public static function getExportLimit($app='common')
+	{
+		static $exportLimitStore=array();
+		if (empty($app)) $app='common';
+		//error_log(__METHOD__.__LINE__.' called with app:'.$app);
+		if (!array_key_exists($app,$exportLimitStore))
+		{
+			//error_log(__METHOD__.__LINE__.' -> '.$app_limit.' '.function_backtrace());
+			$exportLimitStore[$app] = $GLOBALS['egw_info']['server']['export_limit'];
+			if ($app !='common')
+			{
+				$app_limit = $GLOBALS['egw']->hooks->single('export_limit',$app);
+				if ($app_limit) $exportLimitStore[$app] = $app_limit;
+			}
+			//error_log(__METHOD__.__LINE__.' building cache for app:'.$app.' -> '.$exportLimitStore[$app]);
+			if (empty($exportLimitStore[$app]))
+			{
+				$exportLimitStore[$app] = false;
+				return false;
+			}
+
+			if (is_numeric($exportLimitStore[$app]))
+			{
+				$exportLimitStore[$app] = (int)$exportLimitStore[$app];
+			}
+			else
+			{
+				$exportLimitStore[$app] = 'no';
+			}
+			//error_log(__METHOD__.__LINE__.' -> '.$exportLimit);
+		}
+		//error_log(__METHOD__.__LINE__.' app:'.$app.' -> '.$exportLimitStore[$app]);
+		return $exportLimitStore[$app];
+	}
+
+	/**
+	 * hasExportLimit
+	 * checks wether there is an exportlimit set, and returns true or false
+	 * @param mixed $app_limit app_limit, if not set checks the global limit
+	 * @param string $checkas [AND|ISALLOWED], AND default; if set to ISALLOWED it is checked if Export is allowed
+	 *
+	 * @return bool - true if no export is allowed or a limit is set, false if there is no restriction
+	 */
+	public static function hasExportLimit($app_limit,$checkas='AND')
+	{
+		if (strtoupper($checkas) == 'ISALLOWED') return (empty($app_limit) || ($app_limit !='no' && $app_limit > 0) );
+		if (empty($app_limit)) return false;
+		if ($app_limit == 'no') return true;
+		if ($app_limit > 0) return true;
+	}
+
+	/**
+	 * Merges a given document with contact data
+	 *
+	 * @param string $document path/url of document
+	 * @param array $ids array with contact id(s)
+	 * @param string &$err error-message on error
+	 * @param string $mimetype mimetype of complete document, eg. text/*, application/vnd.oasis.opendocument.text, application/rtf
+	 * @param array $fix =null regular expression => replacement pairs eg. to fix garbled placeholders
+	 * @return string|boolean merged document or false on error
+	 */
+	public function &merge($document,$ids,&$err,$mimetype,array $fix=null)
+	{
+		if (!($content = file_get_contents($document)))
+		{
+			$err = lang("Document '%1' does not exist or is not readable for you!",$document);
+			return false;
+		}
+
+		if (self::hasExportLimit($this->export_limit) && !self::is_export_limit_excepted() && count($ids) > (int)$this->export_limit)
+		{
+			$err = lang('No rights to export more than %1 entries!',(int)$this->export_limit);
+			return false;
+		}
+
+		// fix application/msword mimetype for rtf files
+		if ($mimetype == 'application/msword' && strtolower(substr($document,-4)) == '.rtf')
+		{
+			$mimetype = 'application/rtf';
+		}
+
+		try {
+			$content = $this->merge_string($content,$ids,$err,$mimetype,$fix);
+		} catch (\Exception $e) {
+			$err = $e->getMessage();
+			return false;
+		}
+		return $content;
+	}
+
+	protected function apply_styles (&$content, $mimetype, $mso_application_progid=null)
+	{
+		if (!isset($mso_application_progid))
+		{
+			$matches = null;
+			$mso_application_progid = $mimetype == 'application/xml' &&
+				preg_match('/'.preg_quote('<?mso-application progid="').'([^"]+)'.preg_quote('"?>').'/',substr($content,0,200),$matches) ?
+					$matches[1] : '';
+		}
+		// Tags we can replace with the target document's version
+		$replace_tags = array();
+		switch($mimetype.$mso_application_progid)
+		{
+			case 'application/vnd.oasis.opendocument.text':		// open office
+			case 'application/vnd.oasis.opendocument.spreadsheet':
+				// It seems easier to split the parent tags here
+				$replace_tags = array(
+					'/<(ol|ul|table)( [^>]*)?>/' => '</text:p><$1$2>',
+					'/<\/(ol|ul|table)>/' => '</$1><text:p>',
+					//'/<(li)(.*?)>(.*?)<\/\1>/' => '<$1 $2>$3</$1>',
+				);
+				$content = preg_replace(array_keys($replace_tags),array_values($replace_tags),$content);
+
+				$doc = new DOMDocument();
+				$xslt = new XSLTProcessor();
+				$doc->load(EGW_INCLUDE_ROOT.'/etemplate/templates/default/openoffice.xslt');
+				$xslt->importStyleSheet($doc);
+
+//echo $content;die();
+				break;
+			case 'application/xmlWord.Document':	// Word 2003*/
+			case 'application/vnd.openxmlformats-officedocument.wordprocessingml.document':	// ms office 2007
+			case 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet':
+				// It seems easier to split the parent tags here
+				$replace_tags = array(
+					// Tables, lists don't go inside <w:p>
+					'/<(ol|ul|table)( [^>]*)?>/' => '</w:t></w:r></w:p><$1$2>',
+					'/<\/(ol|ul|table)>/' => '</$1><w:p><w:r><w:t>',
+					// Fix for things other than text (newlines) inside table row
+					'/<(td)( [^>]*)?>((?!<w:t>))(.*?)<\/td>[\s]*?/' => '<$1$2><w:t>$4</w:t></td>',
+					// Remove extra whitespace
+					'/<li([^>]*?)>[^:print:]*?(.*?)<\/li>/' => '<li$1>$2</li>', // This doesn't get it all
+					'/<w:t>[\s]+(.*?)<\/w:t>/' => '<w:t>$1</w:t>',
+					// Remove spans with no attributes, linebreaks inside them cause problems
+					'/<span>(.*?)<\/span>/' => '$1'
+				);
+				$content = preg_replace(array_keys($replace_tags),array_values($replace_tags),$content);
+
+				/*
+				In the case where you have something like <span><span></w:t><w:br/><w:t></span></span> (invalid - mismatched tags),
+				it takes multiple runs to get rid of both spans.  So, loop.
+				OO.o files have not yet been shown to have this problem.
+				*/
+				$count = $i = 0;
+				do
+				{
+					$content = preg_replace('/<span>(.*?)<\/span>/','$1',$content, -1, $count);
+					$i++;
+				} while($count > 0 && $i < 10);
+
+				$doc = new DOMDocument();
+				$xslt = new XSLTProcessor();
+				$xslt_file = $mimetype == 'application/xml' ? 'wordml.xslt' : 'msoffice.xslt';
+				$doc->load(EGW_INCLUDE_ROOT.'/etemplate/templates/default/'.$xslt_file);
+				$xslt->importStyleSheet($doc);
+				break;
+		}
+
+		// XSLT transform known tags
+		if($xslt)
+		{
+			// does NOT work with php 5.2.6: Catchable fatal error: argument 1 to transformToXml() must be of type DOMDocument
+			//$element = new SimpleXMLelement($content);
+			$element = new DOMDocument('1.0', 'utf-8');
+			$result = $element->loadXML($content);
+			if(!$result)
+			{
+				throw new Api\Exception('Unable to parse merged document for styles.  Check warnings in log for details.');
+			}
+			$content = $xslt->transformToXml($element);
+
+			// Word 2003 needs two declarations, add extra declaration back in
+			if($mimetype == 'application/xml' && $mso_application_progid == 'Word.Document' && strpos($content, '<?xml') !== 0) {
+				$content = '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>'.$content;
+			}
+			// Validate
+			/*
+			$doc = new DOMDocument();
+			$doc->loadXML($content);
+			$doc->schemaValidate(*Schema (xsd) file*);
+			*/
+		}
+	}
+
+	/**
+	 * Merges a given document with contact data
+	 *
+	 * @param string $_content
+	 * @param array $ids array with contact id(s)
+	 * @param string &$err error-message on error
+	 * @param string $mimetype mimetype of complete document, eg. text/*, application/vnd.oasis.opendocument.text, application/rtf
+	 * @param array $fix =null regular expression => replacement pairs eg. to fix garbled placeholders
+	 * @param string $charset =null charset to override default set by mimetype or export charset
+	 * @return string|boolean merged document or false on error
+	 */
+	public function &merge_string($_content,$ids,&$err,$mimetype,array $fix=null,$charset=null)
+	{
+		$matches = null;
+		if ($mimetype == 'application/xml' &&
+			preg_match('/'.preg_quote('<?mso-application progid="').'([^"]+)'.preg_quote('"?>').'/',substr($_content,0,200),$matches))
+		{
+			$mso_application_progid = $matches[1];
+		}
+		else
+		{
+			$mso_application_progid = '';
+		}
+		// alternative syntax using double curly brackets (eg. {{cat_id}} instead $$cat_id$$),
+		// agressivly removing all xml-tags eg. Word adds within placeholders
+		$content = preg_replace_callback('/{{[^}]+}}/i',create_function('$p','return \'$$\'.strip_tags(substr($p[0],2,-2)).\'$$\';'),$_content);
+
+		// Handle escaped placeholder markers in RTF, they won't match when escaped
+		if($mimetype == 'application/rtf')
+		{
+			$content = preg_replace('/\\\{\\\{([^\\}]+)\\\}\\\}/i','$$\1$$',$content);
+		}
+
+		// make currently processed mimetype available to class methods;
+		$this->mimetype = $mimetype;
+
+		// fix garbled placeholders
+		if ($fix && is_array($fix))
+		{
+			$content = preg_replace(array_keys($fix),array_values($fix),$content);
+			//die("<pre>".htmlspecialchars($content)."</pre>\n");
+		}
+		list($contentstart,$contentrepeat,$contentend) = preg_split('/\$\$pagerepeat\$\$/',$content,-1, PREG_SPLIT_NO_EMPTY);  //get differt parts of document, seperatet by Pagerepeat
+		if ($mimetype == 'text/plain' && count($ids) > 1)
+		{
+			// textdocuments are simple, they do not hold start and end, but they may have content before and after the $$pagerepeat$$ tag
+			// header and footer should not hold any $$ tags; if we find $$ tags with the header, we assume it is the pagerepeatcontent
+			$nohead = false;
+			if (stripos($contentstart,'$$') !== false) $nohead = true;
+			if ($nohead)
+			{
+				$contentend = $contentrepeat;
+				$contentrepeat = $contentstart;
+				$contentstart = '';
+			}
+
+		}
+		if ($mimetype == 'application/vnd.oasis.opendocument.text' && count($ids) > 1)
+		{
+			if(strpos($content, '$$pagerepeat') === false)
+			{
+				//for odt files we have to split the content and add a style for page break to  the style area
+				list($contentstart,$contentrepeat,$contentend) = preg_split('/office:body>/',$content,-1, PREG_SPLIT_NO_EMPTY);  //get differt parts of document, seperatet by Pagerepeat
+				$contentstart = substr($contentstart,0,strlen($contentstart)-1);  //remove "<"
+				$contentrepeat = substr($contentrepeat,0,strlen($contentrepeat)-2);  //remove "</";
+				// need to add page-break style to the style list
+				list($stylestart,$stylerepeat,$styleend) = preg_split('/<\/office:automatic-styles>/',$content,-1, PREG_SPLIT_NO_EMPTY);  //get differt parts of document style sheets
+				$contentstart = $stylestart.'<style:style style:name="P200" style:family="paragraph" style:parent-style-name="Standard"><style:paragraph-properties fo:break-before="page"/></style:style></office:automatic-styles>';
+				$contentstart .= '<office:body>';
+				$contentend = '</office:body></office:document-content>';
+			}
+			else
+			{
+				// Template specifies where to repeat
+				list($contentstart,$contentrepeat,$contentend) = preg_split('/\$\$pagerepeat\$\$/',$content,-1, PREG_SPLIT_NO_EMPTY);  //get different parts of document, seperated by pagerepeat
+			}
+		}
+		if ($mimetype == 'application/vnd.openxmlformats-officedocument.wordprocessingml.document' && count($ids) > 1)
+		{
+			//for Word 2007 XML files we have to split the content and add a style for page break to  the style area
+			list($contentstart,$contentrepeat,$contentend) = preg_split('/w:body>/',$content,-1, PREG_SPLIT_NO_EMPTY);  //get differt parts of document, seperatet by Pagerepeat
+			$contentstart = substr($contentstart,0,strlen($contentstart)-1);  //remove "</"
+			$contentrepeat = substr($contentrepeat,0,strlen($contentrepeat)-2);  //remove "</";
+			$contentstart .= '<w:body>';
+			$contentend = '</w:body></w:document>';
+		}
+		list($Labelstart,$Labelrepeat,$Labeltend) = preg_split('/\$\$label\$\$/',$contentrepeat,-1, PREG_SPLIT_NO_EMPTY);  //get the Lable content
+		preg_match_all('/\$\$labelplacement\$\$/',$contentrepeat,$countlables, PREG_SPLIT_NO_EMPTY);
+		$countlables = count($countlables[0]);
+		preg_replace('/\$\$labelplacement\$\$/','',$Labelrepeat,1);
+		if ($countlables > 1) $lableprint = true;
+		if (count($ids) > 1 && !$contentrepeat)
+		{
+			$err = lang('for more than one contact in a document use the tag pagerepeat!');
+			return false;
+		}
+		if ($this->report_memory_usage) error_log(__METHOD__."(count(ids)=".count($ids).") strlen(contentrepeat)=".strlen($contentrepeat).', strlen(labelrepeat)='.strlen($Labelrepeat));
+
+		if ($contentrepeat)
+		{
+			$content_stream = fopen('php://temp','r+');
+			fwrite($content_stream, $contentstart);
+			$joiner = '';
+			switch($mimetype)
+			{
+				case 'application/rtf':
+				case 'text/rtf':
+					$joiner = '\\par \\page\\pard\\plain';
+					break;
+				case 'application/vnd.oasis.opendocument.text':
+				case 'application/vnd.oasis.opendocument.spreadsheet':
+				case 'application/xml':
+				case 'text/html':
+					$joiner = '';
+					break;
+				case 'application/vnd.openxmlformats-officedocument.wordprocessingml.document':
+				case 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet':
+					$joiner = '<w:br w:type="page" />';
+					break;
+				case 'text/plain':
+					$joiner = "\r\n";
+					break;
+				default:
+					$err = lang('%1 not implemented for %2!','$$pagerepeat$$',$mimetype);
+					return false;
+			}
+		}
+		foreach ((array)$ids as $n => $id)
+		{
+			if ($contentrepeat) $content = $contentrepeat;   //content to repeat
+			if ($lableprint) $content = $Labelrepeat;
+
+			// generate replacements; if exeption is thrown, catch it set error message and return false
+			try
+			{
+				if(!($replacements = $this->get_replacements($id,$content)))
+				{
+					$err = lang('Entry not found!');
+					return false;
+				}
+			}
+			catch (Api\Exception\WrongUserinput $e)
+			{
+				// if this returns with an exeption, something failed big time
+				$err = $e->getMessage();
+				return false;
+			}
+			if ($this->report_memory_usage) error_log(__METHOD__."() $n: $id ".Api\Vfs::hsize(memory_get_usage(true)));
+			// some general replacements: current user, date and time
+			if (strpos($content,'$$user/') !== null && ($user = $GLOBALS['egw']->accounts->id2name($GLOBALS['egw_info']['user']['account_id'],'person_id')))
+			{
+				$replacements += $this->contact_replacements($user,'user');
+				$replacements['$$user/primary_group$$'] = $GLOBALS['egw']->accounts->id2name($GLOBALS['egw']->accounts->id2name($GLOBALS['egw_info']['user']['account_id'],'account_primary_group'));
+			}
+			$replacements['$$date$$'] = Api\DateTime::to('now',true);
+			$replacements['$$datetime$$'] = Api\DateTime::to('now');
+			$replacements['$$time$$'] = Api\DateTime::to('now',false);
+
+			// does our extending class registered table-plugins AND document contains table tags
+			if ($this->table_plugins && preg_match_all('/\\$\\$table\\/([A-Za-z0-9_]+)\\$\\$(.*?)\\$\\$endtable\\$\\$/s',$content,$matches,PREG_SET_ORDER))
+			{
+				// process each table
+				foreach($matches as $match)
+				{
+					$plugin   = $match[1];	// plugin name
+					$callback = $this->table_plugins[$plugin];
+					$repeat   = $match[2];	// line to repeat
+					$repeats = '';
+					if (isset($callback))
+					{
+						for($n = 0; ($row_replacements = $this->$callback($plugin,$id,$n,$repeat)); ++$n)
+						{
+							$_repeat = $this->process_commands($repeat, $row_replacements);
+							$repeats .= $this->replace($_repeat,$row_replacements,$mimetype,$mso_application_progid);
+						}
+					}
+					$content = str_replace($match[0],$repeats,$content);
+				}
+			}
+			$content = $this->process_commands($this->replace($content,$replacements,$mimetype,$mso_application_progid,$charset), $replacements);
+
+			// remove not existing replacements (eg. from calendar array)
+			if (strpos($content,'$$') !== null)
+			{
+				$content = preg_replace('/\$\$[a-z0-9_\/]+\$\$/i','',$content);
+			}
+			if ($contentrepeat)
+			{
+				fwrite($content_stream, ($n == 0 ? '' : $joiner) . $content);
+			}
+			if($lableprint)
+			{
+				$contentrep[is_array($id) ? implode(':',$id) : $id] = $content;
+			}
+		}
+		if ($Labelrepeat)
+		{
+			$countpage=0;
+			$count=0;
+			$contentrepeatpages[$countpage] = $Labelstart.$Labeltend;
+
+			foreach ($contentrep as $Label)
+			{
+				$contentrepeatpages[$countpage] = preg_replace('/\$\$labelplacement\$\$/',$Label,$contentrepeatpages[$countpage],1);
+				$count=$count+1;
+				if (($count % $countlables) == 0 && count($contentrep)>$count)  //new page
+				{
+					$countpage = $countpage+1;
+					$contentrepeatpages[$countpage] = $Labelstart.$Labeltend;
+				}
+			}
+			$contentrepeatpages[$countpage] = preg_replace('/\$\$labelplacement\$\$/','',$contentrepeatpages[$countpage],-1);  //clean empty fields
+
+			switch($mimetype)
+			{
+				case 'application/rtf':
+				case 'text/rtf':
+					return $contentstart.implode('\\par \\page\\pard\\plain',$contentrepeatpages).$contentend;
+				case 'application/vnd.oasis.opendocument.text':
+					return $contentstart.implode('<text:line-break />',$contentrepeatpages).$contentend;
+				case 'application/vnd.oasis.opendocument.spreadsheet':
+					return $contentstart.implode('</text:p><text:p>',$contentrepeatpages).$contentend;
+				case 'application/vnd.openxmlformats-officedocument.wordprocessingml.document':
+				case 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet':
+					return $contentstart.implode('<w:br w:type="page" />',$contentrepeatpages).$contentend;
+				case 'text/plain':
+					return $contentstart.implode("\r\n",$contentrep).$contentend;
+			}
+			$err = lang('%1 not implemented for %2!','$$labelplacement$$',$mimetype);
+			return false;
+		}
+
+		if ($contentrepeat)
+		{
+			fwrite($content_stream, $contentend);
+			rewind($content_stream);
+			return stream_get_contents($content_stream);
+		}
+		if ($this->report_memory_usage) error_log(__METHOD__."() returning ".Api\Vfs::hsize(memory_get_peak_usage(true)));
+
+		return $content;
+	}
+
+	/**
+	 * Replace placeholders in $content of $mimetype with $replacements
+	 *
+	 * @param string $content
+	 * @param array $replacements name => replacement pairs
+	 * @param string $mimetype mimetype of content
+	 * @param string $mso_application_progid ='' MS Office 2003: 'Excel.Sheet' or 'Word.Document'
+	 * @param string $charset =null charset to override default set by mimetype or export charset
+	 * @return string
+	 */
+	protected function replace($content,array $replacements,$mimetype,$mso_application_progid='',$charset=null)
+	{
+		switch($mimetype)
+		{
+			case 'application/vnd.oasis.opendocument.text':		// open office
+			case 'application/vnd.oasis.opendocument.spreadsheet':
+			case 'application/vnd.openxmlformats-officedocument.wordprocessingml.document':	// ms office 2007
+			case 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet':
+			case 'application/xml':
+			case 'text/xml':
+				$is_xml = true;
+				$charset = 'utf-8';	// xml files --> always use utf-8
+				break;
+
+			case 'text/html':
+				$is_xml = true;
+				$matches = null;
+				if (preg_match('/<meta http-equiv="content-type".*charset=([^;"]+)/i',$content,$matches))
+				{
+					$charset = $matches[1];
+				}
+				elseif (empty($charset))
+				{
+					$charset = 'utf-8';
+				}
+				break;
+
+			default:	// div. text files --> use our export-charset, defined in addressbook prefs
+				if (empty($charset)) $charset = $this->contacts->prefs['csv_charset'];
+				break;
+		}
+		//error_log(__METHOD__."('$document', ... ,$mimetype) --> $charset (egw=".Api\Translation::charset().', export='.$this->contacts->prefs['csv_charset'].')');
+
+		// do we need to convert charset
+		if ($charset && $charset != Api\Translation::charset())
+		{
+			$replacements = Api\Translation::convert($replacements,Api\Translation::charset(),$charset);
+		}
+
+		// Date only placeholders for timestamps
+		if(is_array($this->date_fields))
+		{
+			foreach($this->date_fields as $field)
+			{
+				if(($value = $replacements['$$'.$field.'$$']))
+				{
+					$time = Api\DateTime::createFromFormat('+'.Api\DateTime::$user_dateformat.' '.Api\DateTime::$user_timeformat.'*', $value);
+					$replacements['$$'.$field.'/date$$'] = $time ? $time->format(Api\DateTime::$user_dateformat)  : '';
+				}
+			}
+		}
+		if ($is_xml)	// zip'ed xml document (eg. OO)
+		{
+			// Numeric fields
+			$names = array();
+
+			// Tags we can replace with the target document's version
+			$replace_tags = array();
+			// only keep tags, if we have xsl extension available
+			if (class_exists(XSLTProcessor) && class_exists(DOMDocument) && $this->parse_html_styles)
+			{
+				switch($mimetype.$mso_application_progid)
+				{
+					case 'text/html':
+						$replace_tags = array(
+							'<b>','<strong>','<i>','<em>','<u>','<span>','<ol>','<ul>','<li>',
+							'<table>','<tr>','<td>','<a>','<style>',
+						);
+						break;
+					case 'application/vnd.oasis.opendocument.text':		// open office
+					case 'application/vnd.oasis.opendocument.spreadsheet':
+						$replace_tags = array(
+							'<b>','<strong>','<i>','<em>','<u>','<span>','<ol>','<ul>','<li>',
+							'<table>','<tr>','<td>','<a>',
+						);
+						break;
+					case 'application/xmlWord.Document':	// Word 2003*/
+					case 'application/vnd.openxmlformats-officedocument.wordprocessingml.document':	// ms office 2007
+					case 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet':
+						$replace_tags = array(
+							'<b>','<strong>','<i>','<em>','<u>','<span>','<ol>','<ul>','<li>',
+							'<table>','<tr>','<td>',
+						);
+						break;
+				}
+			}
+			// clean replacements from array values and html or html-entities, which mess up xml
+			foreach($replacements as $name => &$value)
+			{
+				// set unresolved array values to empty string
+				if(is_array($value))
+				{
+					$value = '';
+					continue;
+				}
+				// decode html entities back to utf-8
+
+				if (is_string($value) && (strpos($value,'&') !== false) && $this->parse_html_styles)
+				{
+					$value = html_entity_decode($value,ENT_QUOTES,$charset);
+
+					// remove all non-decodable entities
+					if (strpos($value,'&') !== false)
+					{
+						$value = preg_replace('/&[^; ]+;/','',$value);
+					}
+				}
+
+				if(!$this->parse_html_styles)
+				{
+					// Encode special chars so they don't break the file
+					$value = htmlspecialchars($value,ENT_NOQUOTES);
+				}
+				else if (is_string($value) && (strpos($value,'<') !== false))
+				{
+					// Clean HTML, if it's being kept
+					if($replace_tags && extension_loaded('tidy')) {
+						$tidy = new tidy();
+						$cleaned = $tidy->repairString($value, self::$tidy_config);
+						// Found errors. Strip it all so there's some output
+						if($tidy->getStatus() == 2)
+						{
+							error_log($tidy->errorBuffer);
+							$value = strip_tags($value);
+						}
+						else
+						{
+							$value = $cleaned;
+						}
+					}
+					// replace </p> and <br /> with CRLF (remove <p> and CRLF)
+					$value = strip_tags(str_replace(array("\r","\n",'<p>','</p>','<div>','</div>','<br />'),
+						array('','','',"\r\n",'',"\r\n","\r\n"), $value),
+						implode('', $replace_tags));
+
+					// Change <tag>...\r\n</tag> to <tag>...</tag>\r\n or simplistic line break below will mangle it
+					// Loop to catch things like <b><span>Break:\r\n</span></b>
+					if($mso_application_progid)
+					{
+						$count = $i = 0;
+						do
+						{
+							$value = preg_replace('/<(b|strong|i|em|u|span)\b([^>]*?)>(.*?)'."\r\n".'<\/\1>/u', '<$1$2>$3</$1>'."\r\n",$value,-1,$count);
+							$i++;
+						} while($count > 0 && $i < 10); // Limit of 10 chosen arbitrarily just in case
+					}
+				}
+				// replace all control chars (C0+C1) but CR (\015), LF (\012) and TAB (\011) (eg. vertical tabulators) with space
+				// as they are not allowed in xml
+				$value = preg_replace('/[\000-\010\013\014\016-\037\177-\237]/u',' ',$value);
+				if(is_numeric($value) && $name != '$$user/account_id$$') // account_id causes problems with the preg_replace below
+				{
+					$names[] = preg_quote($name,'/');
+				}
+			}
+
+			// Look for numbers, set their value if needed
+			if($this->numeric_fields || count($names))
+			{
+				foreach((array)$this->numeric_fields as $fieldname) {
+					$names[] = preg_quote($fieldname,'/');
+				}
+				$this->format_spreadsheet_numbers($content, $names, $mimetype.$mso_application_progid);
+			}
+
+			// Look for dates, set their value if needed
+			if($this->date_fields || count($names))
+			{
+				$names = array();
+				foreach((array)$this->date_fields as $fieldname) {
+					$names[] = $fieldname;
+				}
+				$this->format_spreadsheet_dates($content, $names, $replacements, $mimetype.$mso_application_progid);
+			}
+
+			// replace CRLF with linebreak tag of given type
+			switch($mimetype.$mso_application_progid)
+			{
+				case 'application/vnd.oasis.opendocument.text':		// open office writer
+					$break = '<text:line-break/>';
+					break;
+				case 'application/vnd.oasis.opendocument.spreadsheet':		// open office calc
+					$break = '</text:p><text:p>';
+					break;
+				case 'application/vnd.openxmlformats-officedocument.wordprocessingml.document':	// ms word 2007
+					$break = '</w:t><w:br/><w:t>';
+					break;
+				case 'application/xmlExcel.Sheet':	// Excel 2003
+					$break = '&#10;';
+					break;
+				case 'application/xmlWord.Document':	// Word 2003*/
+					$break = '</w:t><w:br/><w:t>';
+					break;
+				case 'text/html':
+					$break = '<br/>';
+					break;
+				case 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet':	// ms excel 2007
+				default:
+					$break = "\r\n";
+					break;
+			}
+			// now decode &, < and >, which need to be encoded as entities in xml
+			// Check for encoded >< getting double-encoded
+			if($this->parse_html_styles)
+			{
+				$replacements = str_replace(array('&',"\r","\n",'&amp;lt;','&amp;gt;'),array('&amp;','',$break,'&lt;','&gt;'),$replacements);
+			}
+		}
+		if ($mimetype == 'application/x-yaml')
+		{
+			$content = preg_replace_callback('/^( +)([^$\n]*)(\$\$.+?\$\$)/m', function($matches) use ($replacements)
+			{
+				// allow with {{name/replace/with}} syntax to replace eg. commas with linebreaks: "{{name/, */\n}}"
+				$parts = null;
+				if (preg_match('|^\$\$([^/]+)/([^/]+)/([^$]*)\$\$$|', $matches[3], $parts) && isset($replacements['$$'.$parts[1].'$$']))
+				{
+					$replacement =& $replacements['$$'.$parts[1].'$$'];
+					$replacement = preg_replace('/'.$parts[2].'/', strtr($parts[3], array(
+						'\\n' => "\n", '\\r' => "\r", '\\t' => "\t", '\\v' => "\v", '\\\\' => '\\', '\\f' => "\f",
+					)), $replacement);
+				}
+				else
+				{
+					$replacement =& $replacements[$matches[3]];
+				}
+				// replacement with multiple lines --> add same number of space as before placeholder
+				if (isset($replacement))
+				{
+					return $matches[1].$matches[2].implode("\n".$matches[1], preg_split("/\r?\n/", $replacement));
+				}
+				return $matches[0];	// regular replacement below
+			}, $content);
+		}
+		return str_replace(array_keys($replacements),array_values($replacements),$content);
+	}
+
+	/**
+	 * Convert numeric values in spreadsheets into actual numeric values
+	 */
+	protected function format_spreadsheet_numbers(&$content, $names, $mimetype)
+	{
+		foreach((array)$this->numeric_fields as $fieldname) {
+			$names[] = preg_quote($fieldname,'/');
+		}
+		switch($mimetype)
+		{
+			case 'application/vnd.oasis.opendocument.spreadsheet':		// open office calc
+				$format = '/<table:table-cell([^>]+?)office:value-type="[^"]+"([^>]*?)(?:calcext:value-type="[^"]+")?>.?<([a-z].*?)[^>]*>('.implode('|',$names).')<\/\3>.?<\/table:table-cell>/s';
+				$replacement = '<table:table-cell$1office:value-type="float" office:value="$4"$2 calcext:value-type="float"><$3>$4</$3></table:table-cell>';
+				break;
+			case 'application/vnd.oasis.opendocument.text':		// tables in open office writer
+				$format = '/<table:table-cell([^>]+?)office:value-type="[^"]+"([^>]*?)>.?<([a-z].*?)[^>]*>('.implode('|',$names).')<\/\3>.?<\/table:table-cell>/s';
+				$replacement = '<table:table-cell$1office:value-type="float" office:value="$4"$2><text:p text:style-name="Standard">$4</text:p></table:table-cell>';
+				break;
+			case 'application/vnd.oasis.opendocument.text':		// open office writer
+			case 'application/xmlExcel.Sheet':	// Excel 2003
+				$format = '/'.preg_quote('<Data ss:Type="String">','/').'('.implode('|',$names).')'.preg_quote('</Data>','/').'/';
+				$replacement = '<Data ss:Type="Number">$1</Data>';
+
+				break;
+		}
+		if($format && $names)
+		{
+			// Dealing with backtrack limit per AmigoJack 10-Jul-2010 comment on php.net preg-replace docs
+			do {
+				$result = preg_replace($format, $replacement, $content, -1);
+			}
+			// try to increase/double pcre.backtrack_limit failure
+			while(preg_last_error() == PREG_BACKTRACK_LIMIT_ERROR && self::increase_backtrack_limit());
+
+			if ($result) $content = $result;  // On failure $result would be NULL
+		}
+	}
+
+	/**
+	 * Increase/double prce.backtrack_limit up to 1/4 of memory_limit
+	 *
+	 * @return boolean true: backtrack_limit increased, may try again, false limit already to high
+	 */
+	protected static function increase_backtrack_limit()
+	{
+		static $backtrack_limit=null,$memory_limit=null;
+		if (!isset($backtrack_limit))
+		{
+			$backtrack_limit = ini_get('pcre.backtrack_limit');
+		}
+		if (!isset($memory_limit))
+		{
+			$memory_limit = ini_get('memory_limit');
+			switch(strtoupper(substr($memory_limit, -1)))
+			{
+				case 'G': $memory_limit *= 1024;
+				case 'M': $memory_limit *= 1024;
+				case 'K': $memory_limit *= 1024;
+			}
+		}
+		if ($backtrack_limit < $memory_limit/8)
+		{
+			ini_set( 'pcre.backtrack_limit', $backtrack_limit*=2);
+			return true;
+		}
+		error_log("pcre.backtrack_limit exceeded @ $backtrack_limit, some cells left as text.");
+		return false;
+	}
+
+	/**
+	 * Convert date / timestamp values in spreadsheets into actual date / timestamp values
+	 */
+	protected function format_spreadsheet_dates(&$content, $names, &$values, $mimetype)
+	{
+		if(!in_array($mimetype, array(
+			'application/vnd.oasis.opendocument.spreadsheet',		// open office calc
+			'application/xmlExcel.Sheet',					// Excel 2003
+			//'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'//Excel WTF
+		))) return;
+
+		// Some different formats dates could be in, depending what they've been through
+		$formats = array(
+			'!'.Api\DateTime::$user_dateformat . ' ' .Api\DateTime::$user_timeformat.':s',
+			'!'.Api\DateTime::$user_dateformat . '*' .Api\DateTime::$user_timeformat.':s',
+			'!'.Api\DateTime::$user_dateformat . '* ' .Api\DateTime::$user_timeformat,
+			'!'.Api\DateTime::$user_dateformat . '*',
+			'!'.Api\DateTime::$user_dateformat,
+		);
+
+		// Properly format values for spreadsheet
+		foreach($names as $idx => &$field)
+		{
+			$key = '$$'.$field.'$$';
+			$field = preg_quote($field, '/');
+			if($values[$key])
+			{
+				if(!is_numeric($values[$key]))
+				{
+					// Try the different formats, stop when one works
+					foreach($formats as $f)
+					{
+						try {
+							$date = Api\DateTime::createFromFormat(
+								$f,
+								$values[$key],
+								Api\DateTime::$user_timezone
+							);
+							if($date) break;
+						} catch (Exception $e) {
+
+						}
+					}
+					if(!$date)
+					{
+						// Couldn't get a date out of it... skip it
+						trigger_error("Unable to parse date $key = '{$values[$key]}' - left as text", E_USER_NOTICE);
+						unset($names[$idx]);
+						continue;
+					}
+				}
+				else
+				{
+					$date = new Api\DateTime($values[$key]);
+				}
+				if($mimetype == 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet')//Excel WTF
+				{
+					$interval = $date->diff(new Api\DateTime('1900-01-00 0:00'));
+					$values[$key] = $interval->format('%a')+1;// 1900-02-29 did not exist
+					// 1440 minutes in a day - fractional part
+					$values[$key] += ($date->format('H') * 60 + $date->format('i'))/1440;
+				}
+				else
+				{
+					$values[$key] = date('Y-m-d\TH:i:s',Api\DateTime::to($date,'ts'));
+				}
+			}
+			else
+			{
+				unset($names[$idx]);
+			}
+		}
+
+		switch($mimetype)
+		{
+			case 'application/vnd.oasis.opendocument.spreadsheet':		// open office calc
+				// Removing these forces calc to respect our set value-type
+				$content = str_ireplace('calcext:value-type="string"','',$content);
+
+				$format = '/<table:table-cell([^>]+?)office:value-type="[^"]+"([^>]*?)>.?<([a-z].*?)[^>]*>\$\$('.implode('|',$names).')\$\$<\/\3>.?<\/table:table-cell>/s';
+				$replacement = '<table:table-cell$1office:value-type="date" office:date-value="\$\$$4\$\$"$2><$3>\$\$$4\$\$</$3></table:table-cell>';
+				break;
+			case 'application/xmlExcel.Sheet':	// Excel 2003
+				$format = '/'.preg_quote('<Data ss:Type="String">','/').'..('.implode('|',$names).')..'.preg_quote('</Data>','/').'/';
+				$replacement = '<Data ss:Type="DateTime">\$\$$1\$\$</Data>';
+
+				break;
+			case 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet':
+				break;
+		}
+		if($format && $names)
+		{
+			// Dealing with backtrack limit per AmigoJack 10-Jul-2010 comment on php.net preg-replace docs
+			do {
+				$result = preg_replace($format, $replacement, $content, -1);
+			}
+			// try to increase/double pcre.backtrack_limit failure
+			while(preg_last_error() == PREG_BACKTRACK_LIMIT_ERROR && self::increase_backtrack_limit());
+
+			if ($result) $content = $result;  // On failure $result would be NULL
+		}
+	}
+
+	/**
+	 * Expand link_to custom fields with the merge replacements from the app
+	 * but only if the template uses them.
+	 */
+	public function cf_link_to_expand($values, $content, &$replacements, $app = null)
+	{
+		if($app == null)
+		{
+			$app = str_replace('_merge','',get_class($this));
+		}
+		$cfs = Api\Storage\Customfields::get($app);
+
+		// Cache, in case more than one sub-placeholder is used
+		$app_replacements = array();
+
+		// Custom field placeholders look like {{#name}}
+		// Placeholders that need expanded will look like {{#name/placeholder}}
+		$matches = null;
+		preg_match_all('/\${2}(([^\/#]*?\/)?)#([^$\/]+)\/(.*?)[$}]{2}/', $content, $matches);
+		list($placeholders, , , $cf, $sub) = $matches;
+
+		foreach($cf as $index => $field)
+		{
+			if($cfs[$field])
+			{
+				if(in_array($cfs[$field]['type'],array_keys($GLOBALS['egw_info']['apps'])))
+				{
+					$field_app = $cfs[$field]['type'];
+				}
+				else if ($cfs[$field]['type'] == 'home-accounts' || $cfs[$field]['type'] == 'select-account')
+				{
+					// Special case for home-accounts -> contact
+					$field_app = 'addressbook';
+					$account = $GLOBALS['egw']->accounts->read($values['#'.$field]);
+					$app_replacements[$field] = $this->contact_replacements($account['person_id']);
+				}
+				else if (($list = explode('-',$cfs[$field]['type']) && in_array($list[0], array_keys($GLOBALS['egw_info']['apps']))))
+				{
+					// Sub-type - use app
+					$field_app = $list[0];
+				}
+				else
+				{
+					continue;
+				}
+
+				// Get replacements for that application
+				if(!$app_replacements[$field])
+				{
+					$classname = "{$field_app}_merge";
+					$class = new $classname();
+					// If we send the real content, it can result in infinite loop of lookups
+					// This means you can't do {{#other_app/#other_app_cf/n_fn}}
+					$content = '';
+					$app_replacements[$field] = $class->get_replacements($values['#'.$field], $content);
+				}
+				$replacements[$placeholders[$index]] = $app_replacements[$field]['$$'.$sub[$index].'$$'];
+			}
+			else
+			{
+				if ($cfs[$field]['type'] == 'date' || $cfs[$field]['type'] == 'date-time') $this->date_fields[] = '#'.$field;
+			}
+		}
+	}
+
+	/**
+	 * Process special flags, such as IF or NELF
+	 *
+	 * @param content Text to be examined and changed
+	 * @param replacements array of markers => replacement
+	 *
+	 * @return changed content
+	 */
+	private function process_commands($content, $replacements)
+	{
+		if (strpos($content,'$$IF') !== false)
+		{	//Example use to use: $$IF n_prefix~Herr~Sehr geehrter~Sehr geehrte$$
+			$this->replacements =& $replacements;
+			$content = preg_replace_callback('/\$\$IF ([#0-9a-z_\/-]+)~(.*)~(.*)~(.*)\$\$/imU',Array($this,'replace_callback'),$content);
+			unset($this->replacements);
+		}
+		if (strpos($content,'$$NELF') !== false)
+		{	//Example: $$NEPBR org_unit$$ sets a LF and value of org_unit, only if there is a value
+			$this->replacements =& $replacements;
+			$content = preg_replace_callback('/\$\$NELF ([#0-9a-z_\/-]+)\$\$/imU',Array($this,'replace_callback'),$content);
+			unset($this->replacements);
+		}
+		if (strpos($content,'$$NENVLF') !== false)
+		{	//Example: $$NEPBRNV org_unit$$ sets only a LF if there is a value for org_units, but did not add any value
+			$this->replacements =& $replacements;
+			$content = preg_replace_callback('/\$\$NENVLF ([#0-9a-z_\/-]+)\$\$/imU',Array($this,'replace_callback'),$content);
+			unset($this->replacements);
+		}
+		if (strpos($content,'$$LETTERPREFIX$$') !== false)
+		{	//Example use to use: $$LETTERPREFIX$$
+			$LETTERPREFIXCUSTOM = '$$LETTERPREFIXCUSTOM n_prefix title n_family$$';
+			$content = str_replace('$$LETTERPREFIX$$',$LETTERPREFIXCUSTOM,$content);
+		}
+		if (strpos($content,'$$LETTERPREFIXCUSTOM') !== false)
+		{	//Example use to use for a custom Letter Prefix: $$LETTERPREFIX n_prefix title n_family$$
+			$this->replacements =& $replacements;
+			$content = preg_replace_callback('/\$\$LETTERPREFIXCUSTOM ([#0-9a-z_-]+)(.*)\$\$/imU',Array($this,'replace_callback'),$content);
+			unset($this->replacements);
+		}
+		return $content;
+	}
+
+	/**
+	 * Callback for preg_replace to process $$IF
+	 *
+	 * @param array $param
+	 * @return string
+	 */
+	private function replace_callback($param)
+	{
+		if (array_key_exists('$$'.$param[4].'$$',$this->replacements)) $param[4] = $this->replacements['$$'.$param[4].'$$'];
+		if (array_key_exists('$$'.$param[3].'$$',$this->replacements)) $param[3] = $this->replacements['$$'.$param[3].'$$'];
+
+		$pattern = '/'.preg_quote($param[2], '/').'/';
+		if (strpos($param[0],'$$IF') === 0 && (trim($param[2]) == "EMPTY" || $param[2] === ''))
+		{
+			$pattern = '/^$/';
+		}
+		$replace = preg_match($pattern,$this->replacements['$$'.$param[1].'$$']) ? $param[3] : $param[4];
+		switch($this->mimetype)
+		{
+			case 'application/vnd.oasis.opendocument.text':		// open office
+			case 'application/vnd.oasis.opendocument.spreadsheet':
+			case 'application/vnd.openxmlformats-officedocument.wordprocessingml.document':	// ms office 2007
+			case 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet':
+			case 'application/xml':
+			case 'text/xml':
+			case 'text/html':
+				$is_xml = true;
+				break;
+		}
+
+		switch($this->mimetype)
+			{
+				case 'application/rtf':
+				case 'text/rtf':
+					$LF = '}\par \pard\plain{';
+					break;
+				case 'application/vnd.oasis.opendocument.text':
+					$LF ='<text:line-break/>';
+					break;
+				case 'application/vnd.oasis.opendocument.spreadsheet':		// open office calc
+					$LF = '</text:p><text:p>';
+					break;
+				case 'application/xmlExcel.Sheet':	// Excel 2003
+					$LF = '&#10;';
+					break;
+				case 'application/vnd.openxmlformats-officedocument.wordprocessingml.document':
+				case 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet':
+					$LF ='</w:t></w:r></w:p><w:p><w:r><w:t>';
+					break;
+				case 'application/xml';
+					$LF ='</w:t></w:r><w:r><w:br w:type="text-wrapping" w:clear="all"/></w:r><w:r><w:t>';
+					break;
+				default:
+					$LF = "\n";
+			}
+		if($is_xml) {
+			$this->replacements = str_replace(array('&','&amp;amp;','<','>',"\r","\n"),array('&amp;','&amp;','&lt;','&gt;','',$LF),$this->replacements);
+		}
+		if (strpos($param[0],'$$NELF') === 0)
+		{	//sets a Pagebreak and value, only if the field has a value
+			if ($this->replacements['$$'.$param[1].'$$'] !='') $replace = $LF.$this->replacements['$$'.$param[1].'$$'];
+		}
+		if (strpos($param[0],'$$NENVLF') === 0)
+		{	//sets a Pagebreak without any value, only if the field has a value
+			if ($this->replacements['$$'.$param[1].'$$'] !='') $replace = $LF;
+		}
+		if (strpos($param[0],'$$LETTERPREFIXCUSTOM') === 0)
+		{	//sets a Letterprefix
+			$replaceprefixsort = array();
+			// ToDo Stefan: $contentstart is NOT defined here!!!
+			$replaceprefix = explode(' ',substr($param[0],21,-2));
+			foreach ($replaceprefix as $nameprefix)
+			{
+				if ($this->replacements['$$'.$nameprefix.'$$'] !='') $replaceprefixsort[] = $this->replacements['$$'.$nameprefix.'$$'];
+			}
+			$replace = implode($replaceprefixsort,' ');
+		}
+		return $replace;
+	}
+
+	/**
+	 * Download document merged with contact(s)
+	 *
+	 * @param string $document vfs-path of document
+	 * @param array $ids array with contact id(s)
+	 * @param string $name ='' name to use for downloaded document
+	 * @param string $dirs comma or whitespace separated directories, used if $document is a relative path
+	 * @return string with error-message on error, otherwise it does NOT return
+	 */
+	public function download($document, $ids, $name='', $dirs='')
+	{
+		//error_log(__METHOD__."('$document', ".array2string($ids).", '$name', dirs='$dirs') ->".function_backtrace());
+		if (($error = $this->check_document($document, $dirs)))
+		{
+			return $error;
+		}
+		$content_url = Api\Vfs::PREFIX.$document;
+		switch (($mimetype = Api\Vfs::mime_content_type($document)))
+		{
+			case 'message/rfc822':
+				//error_log(__METHOD__."('$document', ".array2string($ids).", '$name', dirs='$dirs')=>$content_url ->".function_backtrace());
+				$mail_bo = Api\Mail::getInstance();
+				$mail_bo->openConnection();
+				try
+				{
+					$msgs = $mail_bo->importMessageToMergeAndSend($this, $content_url, $ids, $_folder='');
+				}
+				catch (Api\Exception\WrongUserinput $e)
+				{
+					// if this returns with an exeption, something failed big time
+					return $e->getMessage();
+				}
+				//error_log(__METHOD__.__LINE__.' Message after importMessageToMergeAndSend:'.array2string($msgs));
+				$retString = '';
+				if (count($msgs['success'])>0) $retString .= count($msgs['success']).' '.(count($msgs['success'])+count($msgs['failed'])==1?lang('Message prepared for sending.'):lang('Message(s) send ok.'));//implode('<br />',$msgs['success']);
+				//if (strlen($retString)>0) $retString .= '<br />';
+				foreach($msgs['failed'] as $c =>$e)
+				{
+					$errorString .= lang('contact').' '.lang('id').':'.$c.'->'.$e.'.';
+				}
+				if (count($msgs['failed'])>0) $retString .= count($msgs['failed']).' '.lang('Message(s) send failed!').'=>'.$errorString;
+				return $retString;
+			case 'application/vnd.oasis.opendocument.text':
+			case 'application/vnd.oasis.opendocument.spreadsheet':
+				$ext = $mimetype == 'application/vnd.oasis.opendocument.text' ? '.odt' : '.ods';
+				$archive = tempnam($GLOBALS['egw_info']['server']['temp_dir'], basename($document,$ext).'-').$ext;
+				copy($content_url,$archive);
+				$content_url = 'zip://'.$archive.'#'.($content_file = 'content.xml');
+				break;
+			case 'application/vnd.openxmlformats-officedocument.wordprocessingml.d':	// mimetypes in vfs are limited to 64 chars
+				$mimetype = 'application/vnd.openxmlformats-officedocument.wordprocessingml.document';
+			case 'application/vnd.openxmlformats-officedocument.wordprocessingml.document':
+				$archive = tempnam($GLOBALS['egw_info']['server']['temp_dir'], basename($document,'.docx').'-').'.docx';
+				copy($content_url,$archive);
+				$content_url = 'zip://'.$archive.'#'.($content_file = 'word/document.xml');
+				$fix = array(		// regular expression to fix garbled placeholders
+					'/'.preg_quote('$$</w:t></w:r><w:proofErr w:type="spellStart"/><w:r><w:t>','/').'([a-z0-9_]+)'.
+						preg_quote('</w:t></w:r><w:proofErr w:type="spellEnd"/><w:r><w:t>','/').'/i' => '$$\\1$$',
+					'/'.preg_quote('$$</w:t></w:r><w:proofErr w:type="spellStart"/><w:r><w:rPr><w:lang w:val="','/').
+						'([a-z]{2}-[A-Z]{2})'.preg_quote('"/></w:rPr><w:t>','/').'([a-z0-9_]+)'.
+						preg_quote('</w:t></w:r><w:proofErr w:type="spellEnd"/><w:r><w:rPr><w:lang w:val="','/').
+						'([a-z]{2}-[A-Z]{2})'.preg_quote('"/></w:rPr><w:t>$$','/').'/i' => '$$\\2$$',
+					'/'.preg_quote('$</w:t></w:r><w:proofErr w:type="spellStart"/><w:r><w:t>','/').'([a-z0-9_]+)'.
+						preg_quote('</w:t></w:r><w:proofErr w:type="spellEnd"/><w:r><w:t>','/').'/i' => '$\\1$',
+					'/'.preg_quote('$ $</w:t></w:r><w:proofErr w:type="spellStart"/><w:r><w:t>','/').'([a-z0-9_]+)'.
+						preg_quote('</w:t></w:r><w:proofErr w:type="spellEnd"/><w:r><w:t>','/').'/i' => '$ $\\1$ $',
+				);
+				break;
+			case 'application/xml':
+				$fix = array(	// hack to get Excel 2003 to display additional rows in tables
+					'/ss:ExpandedRowCount="\d+"/' => 'ss:ExpandedRowCount="9999"',
+				);
+				break;
+			case 'application/vnd.openxmlformats-officedocument.spreadsheetml.shee':
+				$mimetype = 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet';
+			case 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet':
+				$fix = array(	// hack to get Excel 2007 to display additional rows in tables
+					'/ss:ExpandedRowCount="\d+"/' => 'ss:ExpandedRowCount="9999"',
+				);
+				$archive = tempnam($GLOBALS['egw_info']['server']['temp_dir'], basename($document,'.xlsx').'-').'.xlsx';
+				copy($content_url,$archive);
+				$content_url = 'zip://'.$archive.'#'.($content_file = 'xl/sharedStrings.xml');
+				break;
+		}
+		$err = null;
+		if (!($merged =& $this->merge($content_url,$ids,$err,$mimetype,$fix)))
+		{
+			//error_log(__METHOD__."() !this->merge() err=$err");
+			return $err;
+		}
+		// Apply HTML formatting to target document, if possible
+		// check if we can use the XSL extension, to not give a fatal error and rendering whole merge-print non-functional
+		if (class_exists(XSLTProcessor) && class_exists(DOMDocument) && $this->parse_html_styles)
+		{
+			try
+			{
+				$this->apply_styles($merged, $mimetype);
+			}
+			catch (Exception $e)
+			{
+				// Error converting HTML styles over
+				error_log($e->getMessage());
+				error_log("Target document: $content_url, IDs: ". array2string($ids));
+
+				// Try again, but strip HTML so user gets something
+				$this->parse_html_styles = false;
+				if (!($merged =& $this->merge($content_url,$ids,$err,$mimetype,$fix)))
+				{
+					return $err;
+				}
+			}
+			if ($this->report_memory_usage) error_log(__METHOD__."() after HTML processing ".Api\Vfs::hsize(memory_get_peak_usage(true)));
+		}
+		if(!empty($name))
+		{
+			if(empty($ext))
+			{
+				$ext = '.'.pathinfo($document,PATHINFO_EXTENSION);
+			}
+			$name .= $ext;
+		}
+		else
+		{
+			$name = basename($document);
+		}
+		if (isset($archive))
+		{
+			$zip = new ZipArchive;
+			if ($zip->open($archive, ZipArchive::CHECKCONS) !== true)
+			{
+				error_log(__METHOD__.__LINE__." !ZipArchive::open('$archive',ZIPARCHIVE"."::CHECKCONS) failed. Trying open without validating");
+				if ($zip->open($archive) !== true) throw new Api\Exception("!ZipArchive::open('$archive',|ZIPARCHIVE::CHECKCONS)");
+			}
+			if ($zip->addFromString($content_file,$merged) !== true) throw new Api\Exception("!ZipArchive::addFromString('$content_file',\$merged)");
+			if ($zip->close() !== true) throw new Api\Exception("!ZipArchive::close()");
+			unset($zip);
+			unset($merged);
+			if (substr($mimetype,0,35) == 'application/vnd.oasis.opendocument.' && 			// only open office archives need that, ms word files brake
+				file_exists('/usr/bin/zip') && version_compare(PHP_VERSION,'5.3.1','<'))	// fix broken zip archives generated by current php
+			{
+				exec('/usr/bin/zip -F '.escapeshellarg($archive));
+			}
+			if ($this->report_memory_usage) error_log(__METHOD__."() after ZIP processing ".Api\Vfs::hsize(memory_get_peak_usage(true)));
+			Api\Header\Content::type($name,$mimetype,filesize($archive));
+			readfile($archive,'r');
+		}
+		else
+		{
+			if ($mimetype == 'application/xml')
+			{
+				if (strpos($merged,'<?mso-application progid="Word.Document"?>') !== false)
+				{
+					$mimetype = 'application/msword';	// to open it automatically in word or oowriter
+				}
+				elseif (strpos($merged,'<?mso-application progid="Excel.Sheet"?>') !== false)
+				{
+					$mimetype = 'application/vnd.ms-excel';	// to open it automatically in excel or oocalc
+				}
+			}
+			Api\Header\Content::type($name, $mimetype);
+			echo $merged;
+		}
+		exit;
+	}
+
+	/**
+	 * Download document merged with contact(s)
+	 * frontend for HTTP POST requests
+	 * accepts POST vars and calls internal function download()
+	 *   string data_document_name: the document name
+	 *   string data_document_dir: the document vfs directory
+	 *   string data_checked: contact id(s) to merge with (can be comma separated)
+	 *
+	 * @return string with error-message on error, otherwise it does NOT return
+	 */
+	public function download_by_request()
+	{
+		if(empty($_POST['data_document_name'])) return false;
+		if(empty($_POST['data_document_dir'])) return false;
+		if(empty($_POST['data_checked'])) return false;
+
+		return $this->download(
+			$_POST['data_document_name'],
+			explode(',',$_POST['data_checked']),
+			'',
+			$_POST['data_document_dir']
+		);
+	}
+
+	/**
+	 * Get a list of document actions / files from the given directory
+	 *
+	 * @param string $dirs Directory(s comma or space separated) to search
+	 * @param string $prefix='document_' prefix for array keys
+	 * @param array|string $mime_filter=null allowed mime type(s), default all, negative filter if $mime_filter[0] === '!'
+	 * @return array List of documents, suitable for a selectbox.  The key is document_<filename>.
+	 */
+	public static function get_documents($dirs, $prefix='document_', $mime_filter=null, $app='')
+	{
+		$export_limit=self::getExportLimit($app);
+		if (!$dirs || (!self::hasExportLimit($export_limit,'ISALLOWED') && !self::is_export_limit_excepted())) return array();
+
+		// split multiple comma or whitespace separated directories
+		// to still allow space or comma in dirnames, we also use the trailing slash of all pathes to split
+		if (count($dirs = preg_split('/[,\s]+\//', $dirs)) > 1)
+		{
+			foreach($dirs as $n => &$d)
+			{
+				if ($n) $d = '/'.$d;	// re-adding trailing slash removed by split
+			}
+		}
+		if ($mime_filter && ($negativ_filter = $mime_filter[0] === '!'))
+		{
+			if (is_array($mime_filter))
+			{
+				unset($mime_filter[0]);
+			}
+			else
+			{
+				$mime_filter = substr($mime_filter, 1);
+			}
+		}
+		$list = array();
+		foreach($dirs as $dir)
+		{
+			if (($files = Api\Vfs::find($dir,array('need_mime'=>true),true)))
+			{
+				foreach($files as $file)
+				{
+					// return only the mime-types we support
+					$parts = explode('.',$file['name']);
+					if (!self::is_implemented($file['mime'],'.'.array_pop($parts))) continue;
+					if ($mime_filter && $negativ_filter === in_array($file['mime'], (array)$mime_filter)) continue;
+					$list[$prefix.$file['name']] = Api\Vfs::decodePath($file['name']);
+				}
+			}
+		}
+		return $list;
+	}
+
+	/**
+	 * From this number of documents, show them in submenus by mime type
+	 */
+	const SHOW_DOCS_BY_MIME_LIMIT = 10;
+
+	/**
+	 * Get insert-in-document action with optional default document on top
+	 *
+	 * If more than SHOW_DOCS_BY_MIME_LIMIT=10 documents found, they are displayed in submenus by mime type.
+	 *
+	 * @param string $dirs Directory(s comma or space separated) to search
+	 * @param int $group see nextmatch_widget::egw_actions
+	 * @param string $caption ='Insert in document'
+	 * @param string $prefix ='document_'
+	 * @param string $default_doc ='' full path to default document to show on top with action == 'document'!
+	 * @param int|string $export_limit =null export-limit, default $GLOBALS['egw_info']['server']['export_limit']
+	 * @return array see nextmatch_widget::egw_actions
+	 */
+	public static function document_action($dirs, $group=0, $caption='Insert in document', $prefix='document_', $default_doc='',
+		$export_limit=null)
+	{
+		$documents = array();
+		if ($export_limit == null) $export_limit = self::getExportLimit(); // check if there is a globalsetting
+		if ($default_doc && ($file = Api\Vfs::stat($default_doc)))	// put default document on top
+		{
+			if(!$file['mime'])
+			{
+				$file['mime'] = Api\Vfs::mime_content_type($default_doc);
+				$file['path'] = $default_doc;
+			}
+			$documents['document'] = array(
+				'icon' => Api\Vfs::mime_icon($file['mime']),
+				'caption' => Api\Vfs::decodePath(Api\Vfs::basename($default_doc)),
+				'group' => 1,
+				'postSubmit' => true,	// download needs post submit (not Ajax) to work
+			);
+			if ($file['mime'] == 'message/rfc822')
+			{
+				self::document_mail_action($documents['document'], $file);
+			}
+		}
+
+		$files = array();
+		if ($dirs)
+		{
+			// split multiple comma or whitespace separated directories
+			// to still allow space or comma in dirnames, we also use the trailing slash of all pathes to split
+			if (count($dirs = preg_split('/[,\s]+\//', $dirs)) > 1)
+			{
+				foreach($dirs as $n => &$d)
+				{
+					if ($n) $d = '/'.$d;	// re-adding trailing slash removed by split
+				}
+			}
+			foreach($dirs as $dir)
+			{
+				$files += Api\Vfs::find($dir,array(
+					'need_mime' => true,
+					'order' => 'fs_name',
+					'sort' => 'ASC',
+				),true);
+			}
+		}
+
+		$dircount = array();
+		foreach($files as $key => $file)
+		{
+			// use only the mime-types we support
+			$parts = explode('.',$file['name']);
+			if (!self::is_implemented($file['mime'],'.'.array_pop($parts)) ||
+				!Api\Vfs::check_access($file['path'], Api\Vfs::READABLE, $file) ||	// remove files not readable by user
+				$file['path'] === $default_doc)	// default doc already added
+			{
+				unset($files[$key]);
+			}
+			else
+			{
+				$dirname = Api\Vfs::dirname($file['path']);
+				if(!isset($dircount[$dirname]))
+				{
+					$dircount[$dirname] = 1;
+				}
+				else
+				{
+					$dircount[$dirname] ++;
+				}
+			}
+		}
+		foreach($files as $file)
+		{
+			if (count($dircount) > 1)
+			{
+				$name_arr = explode('/', $file['name']);
+				$current_level = &$documents;
+				for($count = 0; $count < count($name_arr); $count++)
+				{
+					if($count == 0)
+					{
+						$current_level = &$documents;
+					}
+					else
+					{
+						$current_level = &$current_level[$prefix.$name_arr[($count-1)]]['children'];
+					}
+					switch($count)
+					{
+						case (count($name_arr)-1):
+							$current_level[$prefix.$file['name']] = array(
+								'icon'		=> Api\Vfs::mime_icon($file['mime']),
+								'caption'	=> Api\Vfs::decodePath($name_arr[$count]),
+								'group'		=> 2,
+								'postSubmit' => true,	// download needs post submit (not Ajax) to work
+							);
+							if ($file['mime'] == 'message/rfc822')
+							{
+								self::document_mail_action($current_level[$prefix.$file['name']], $file);
+							}
+							break;
+
+						default:
+							if(!is_array($current_level[$prefix.$name_arr[$count]]))
+							{
+								// create parent folder
+								$current_level[$prefix.$name_arr[$count]] = array(
+									'icon'		=> 'phpgwapi/foldertree_folder',
+									'caption'	=> Api\Vfs::decodePath($name_arr[$count]),
+									'group'		=> 2,
+									'children'	=> array(),
+								);
+							}
+							break;
+					}
+				}
+			}
+			else if (count($files) >= self::SHOW_DOCS_BY_MIME_LIMIT)
+			{
+				if (!isset($documents[$file['mime']]))
+				{
+					$documents[$file['mime']] = array(
+						'icon' => Api\Vfs::mime_icon($file['mime']),
+						'caption' => Api\MimeMagic::mime2label($file['mime']),
+						'group' => 2,
+						'children' => array(),
+					);
+				}
+				$documents[$file['mime']]['children'][$prefix.$file['name']] = array(
+					'caption' => Api\Vfs::decodePath($file['name']),
+					'postSubmit' => true,	// download needs post submit (not Ajax) to work
+				);
+				if ($file['mime'] == 'message/rfc822')
+				{
+					self::document_mail_action($documents[$file['mime']]['children'][$prefix.$file['name']], $file);
+				}
+			}
+			else
+			{
+				$documents[$prefix.$file['name']] = array(
+					'icon' => Api\Vfs::mime_icon($file['mime']),
+					'caption' => Api\Vfs::decodePath($file['name']),
+					'group' => 2,
+					'postSubmit' => true,	// download needs post submit (not Ajax) to work
+				);
+				if ($file['mime'] == 'message/rfc822')
+				{
+					self::document_mail_action($documents[$prefix.$file['name']], $file);
+				}
+			}
+		}
+
+		return array(
+			'icon' => 'etemplate/merge',
+			'caption' => $caption,
+			'children' => $documents,
+			// disable action if no document or export completly forbidden for non-admins
+			'enabled' => (boolean)$documents && (self::hasExportLimit($export_limit,'ISALLOWED') || self::is_export_limit_excepted()),
+			'hideOnDisabled' => true,	// do not show 'Insert in document', if no documents defined or no export allowed
+			'group' => $group,
+		);
+	}
+
+	/**
+	 * Set up a document action for an eml (email) document
+	 *
+	 * Email (.eml) documents get special action handling.  They don't send a file
+	 * back to the client like the other documents.  Merging for a single selected
+	 * contact opens a compose window, multiple contacts just sends.
+	 *
+	 * @param Array &$action Action to be modified for mail
+	 * @param Array $file Array of information about the document from Api\Vfs::find
+	 * @return void
+	 */
+	private static function document_mail_action(Array &$action, $file)
+	{
+		unset($action['postSubmit']);
+
+		// Lots takes a while, confirm
+		$action['confirm_multiple'] = lang('Do you want to send the message to all selected entries, WITHOUT further editing?');
+
+		// These parameters trigger compose + merge - only if 1 row
+		$extra = array(
+			'from=merge',
+			'document='.$file['path'],
+			'merge='.get_called_class()
+		);
+
+		// egw.open() used if only 1 row selected
+		$action['egw_open'] = 'edit-mail--'.implode('&',$extra);
+		$action['target'] = 'compose_' .$file['path'];
+
+		// long_task runs menuaction once for each selected row
+		$action['nm_action'] = 'long_task';
+		$action['popup'] = Api\Link::get_registry('mail', 'edit_popup');
+		$action['message'] = lang('insert in %1',Api\Vfs::decodePath($file['name']));
+		$action['menuaction'] = 'mail.mail_compose.ajax_merge&document='.$file['path'].'&merge='. get_called_class();
+	}
+
+	/**
+	 * Check if given document (relative path from document_actions()) exists in one of the given dirs
+	 *
+	 * @param string &$document maybe relative path of document, on return true absolute path to existing document
+	 * @param string $dirs comma or whitespace separated directories
+	 * @return string|boolean false if document exists, otherwise string with error-message
+	 */
+	public static function check_document(&$document, $dirs)
+	{
+		if($document[0] !== '/')
+		{
+			// split multiple comma or whitespace separated directories
+			// to still allow space or comma in dirnames, we also use the trailing slash of all pathes to split
+			if ($dirs && ($dirs = preg_split('/[,\s]+\//', $dirs)))
+			{
+				foreach($dirs as $n => $dir)
+				{
+					if ($n) $dir = '/'.$dir;	// re-adding trailing slash removed by split
+					if (Api\Vfs::stat($dir.'/'.$document) && Api\Vfs::is_readable($dir.'/'.$document))
+					{
+						$document = $dir.'/'.$document;
+						return false;
+					}
+				}
+			}
+		}
+		elseif (Api\Vfs::stat($document) && Api\Vfs::is_readable($document))
+		{
+			return false;
+		}
+		//error_log(__METHOD__."('$document', dirs='$dirs') returning 'Document '$document' does not exist or is not readable for you!'");
+		return lang("Document '%1' does not exist or is not readable for you!",$document);
+	}
+
+	/**
+	 * Get a list of supported extentions
+	 */
+	public static function get_file_extensions()
+	{
+		return array('txt', 'rtf', 'odt', 'ods', 'docx', 'xml', 'eml');
+	}
+
+	/**
+	 * Format a number according to user prefs with decimal and thousands separator
+	 *
+	 * Reimplemented from etemplate to NOT use user prefs for Excel 2003, which gives an xml error
+	 *
+	 * @param int|float|string $number
+	 * @param int $num_decimal_places =2
+	 * @param string $_mimetype =''
+	 * @return string
+	 */
+	static public function number_format($number,$num_decimal_places=2,$_mimetype='')
+	{
+		if ((string)$number === '') return '';
+		//error_log(__METHOD__.$_mimetype);
+		switch($_mimetype)
+		{
+			case 'application/xml':	// Excel 2003
+			case 'application/vnd.oasis.opendocument.spreadsheet': // OO.o spreadsheet
+				return number_format(str_replace(' ','',$number),$num_decimal_places,'.','');
+		}
+		return Api\Etemplate::number_format($number,$num_decimal_places);
+	}
+}
diff --git a/etemplate/inc/class.bo_merge.inc.php b/etemplate/inc/class.bo_merge.inc.php
index 0178bd9c0c..326e457301 100644
--- a/etemplate/inc/class.bo_merge.inc.php
+++ b/etemplate/inc/class.bo_merge.inc.php
@@ -4,2023 +4,18 @@
  *
  * @link http://www.egroupware.org
  * @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
- * @package addressbook
- * @copyright (c) 2007-14 by Ralf Becker <RalfBecker-AT-outdoor-training.de>
+ * @package api
+ * @subpackage storage
+ * @copyright (c) 2007-16 by Ralf Becker <RalfBecker-AT-outdoor-training.de>
  * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
  * @version $Id$
  */
 
+use EGroupware\Api\Storage\Merge;
+
 /**
  * Document merge print
  *
- * @todo move apply_styles call into merge_string to run for each entry merged and not all together to lower memory requirements
+ * @deprecated use Api\Storage\Merge
  */
-abstract class bo_merge
-{
-	/**
-	 * Instance of the addressbook_bo class
-	 *
-	 * @var addressbook_bo
-	 */
-	var $contacts;
-
-	/**
-	 * Datetime format according to user preferences
-	 *
-	 * @var string
-	 */
-	var $datetime_format = 'Y-m-d H:i';
-
-	/**
-	 * Fields that are to be treated as datetimes, when merged into spreadsheets
-	 */
-	var $date_fields = array();
-
-	/**
-	 * Mimetype of document processed by merge
-	 *
-	 * @var string
-	 */
-	var $mimetype;
-
-	/**
-	 * Plugins registered by extending class to create a table with multiple rows
-	 *
-	 * $$table/$plugin$$ ... $$endtable$$
-	 *
-	 * Callback returns replacements for row $n (stringing with 0) or null if no further rows
-	 *
-	 * @var array $plugin => array callback($plugin,$id,$n)
-	 */
-	var $table_plugins = array();
-
-	/**
-	 * Export limit in number of entries or some non-numerical value, if no export allowed at all, empty means no limit
-	 *
-	 * Set by constructor to $GLOBALS[egw_info][server][export_limit]
-	 *
-	 * @var int|string
-	 */
-	public $export_limit;
-
-
-	/**
-	 * Configuration for HTML Tidy to clean up any HTML content that is kept
-	 */
-	public static $tidy_config = array(
-		'output-xml'		=> true,	// Entity encoding
-		'show-body-only'	=> true,
-		'output-encoding'	=> 'utf-8',
-		'input-encoding'	=> 'utf-8',
-		'quote-ampersand'	=> false,	// Prevent double encoding
-		'quote-nbsp'		=> true,	// XSLT can handle spaces easier
-		'preserve-entities'	=> true,
-		'wrap'			=> 0,		// Wrapping can break output
-	);
-
-	/**
-	 * Parse HTML styles into target document style, if possible
-	 *
-	 * Apps not using html in there own data should set this with egw_customfields::use_html($app)
-	 * to avoid memory and time consuming html processing.
-	 */
-	protected $parse_html_styles = true;
-
-	/**
-	 * Enable this to report memory_usage to error_log
-	 *
-	 * @var boolean
-	 */
-	public $report_memory_usage = false;
-
-	/**
-	 * Constructor
-	 *
-	 * @return bo_merge
-	 */
-	function __construct()
-	{
-		// Common messages are in preferences
-		translation::add_app('preferences');
-		// All contact fields are in addressbook
-		translation::add_app('addressbook');
-
-		$this->contacts = new addressbook_bo();
-
-		$this->datetime_format = $GLOBALS['egw_info']['user']['preferences']['common']['dateformat'].' '.
-			($GLOBALS['egw_info']['user']['preferences']['common']['timeformat']==12 ? 'h:i a' : 'H:i');
-
-		$this->export_limit = self::getExportLimit();
-	}
-
-	/**
-	 * Hook returning options for export_limit_excepted groups
-	 *
-	 * @param array $config
-	 */
-	public static function hook_export_limit_excepted($config)
-	{
-		$accountsel = new uiaccountsel();
-
-		return '<input type="hidden" value="" name="newsettings[export_limit_excepted]" />'.
-			$accountsel->selection('newsettings[export_limit_excepted]','export_limit_excepted',$config['export_limit_excepted'],'both',4);
-	}
-
-	/**
-	 * Get all replacements, must be implemented in extending class
-	 *
-	 * Can use eg. the following high level methods:
-	 * - contact_replacements($contact_id,$prefix='')
-	 * - format_datetime($time,$format=null)
-	 *
-	 * @param int $id id of entry
-	 * @param string &$content=null content to create some replacements only if they are use
-	 * @return array|boolean array with replacements or false if entry not found
-	 */
-	abstract protected function get_replacements($id,&$content=null);
-
-	/**
-	 * Return if merge-print is implemented for given mime-type (and/or extension)
-	 *
-	 * @param string $mimetype eg. text/plain
-	 * @param string $extension only checked for applications/msword and .rtf
-	 */
-	static public function is_implemented($mimetype,$extension=null)
-	{
-		static $zip_available;
-		if (is_null($zip_available))
-		{
-			$zip_available = check_load_extension('zip') &&
-				class_exists('ZipArchive');	// some PHP has zip extension, but no ZipArchive (eg. RHEL5!)
-		}
-		switch ($mimetype)
-		{
-			case 'application/msword':
-				if (strtolower($extension) != '.rtf') break;
-			case 'application/rtf':
-			case 'text/rtf':
-				return true;	// rtf files
-			case 'application/vnd.oasis.opendocument.text':	// oo text
-			case 'application/vnd.oasis.opendocument.spreadsheet':	// oo spreadsheet
-				if (!$zip_available) break;
-				return true;	// open office write xml files
-			case 'application/vnd.openxmlformats-officedocument.wordprocessingml.document':	// ms word 2007 xml format
-			case 'application/vnd.openxmlformats-officedocument.wordprocessingml.d':	// mimetypes in vfs are limited to 64 chars
-			case 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet':	// ms excel 2007 xml format
-			case 'application/vnd.openxmlformats-officedocument.spreadsheetml.shee':
-				if (!$zip_available) break;
-				return true;	// ms word xml format
-			case 'application/xml':
-				return true;	// alias for text/xml, eg. ms office 2003 word format
-			case 'message/rfc822':
-				return true; // ToDo: check if you are theoretical able to send mail
-			case 'application/x-yaml':
-				return true;	// yaml file, plain text with marginal syntax support for multiline replacements
-			default:
-				if (substr($mimetype,0,5) == 'text/')
-				{
-					return true;	// text files
-				}
-				break;
-		}
-		return false;
-
-		// As browsers not always return correct mime types, one could use a negative list instead
-		//return !($mimetype == egw_vfs::DIR_MIME_TYPE || substr($mimetype,0,6) == 'image/');
-	}
-
-	/**
-	 * Return replacements for a contact
-	 *
-	 * @param int|string|array $contact contact-array or id
-	 * @param string $prefix ='' prefix like eg. 'user'
-	 * @param boolean $ignore_acl =false true: no acl check
-	 * @return array
-	 */
-	public function contact_replacements($contact,$prefix='',$ignore_acl=false)
-	{
-		if (!is_array($contact))
-		{
-			$contact = $this->contacts->read($contact, $ignore_acl);
-		}
-		if (!is_array($contact)) return array();
-		
-		$replacements = array();
-		foreach(array_keys($this->contacts->contact_fields) as $name)
-		{
-			$value = $contact[$name];
-			switch($name)
-			{
-				case 'created': case 'modified':
-					if($value) $value = egw_time::to($value);
-					break;
-				case 'bday':
-					if ($value)
-					{
-						list($y,$m,$d) = explode('-',$value);
-						$value = common::dateformatorder($y,$m,$d,true);
-					}
-					break;
-				case 'owner': case 'creator': case 'modifier':
-					$value = common::grab_owner_name($value);
-					break;
-				case 'cat_id':
-					if ($value)
-					{
-						// if cat-tree is displayed, we return a full category path not just the name of the cat
-						$use = $GLOBALS['egw_info']['server']['cat_tab'] == 'Tree' ? 'path' : 'name';
-						$cats = array();
-						foreach(is_array($value) ? $value : explode(',',$value) as $cat_id)
-						{
-							$cats[] = $GLOBALS['egw']->categories->id2name($cat_id,$use);
-						}
-						$value = implode(', ',$cats);
-					}
-					break;
-				case 'jpegphoto':	// returning a link might make more sense then the binary photo
-					if ($contact['photo'])
-					{
-						$value = ($GLOBALS['egw_info']['server']['webserver_url'][0] == '/' ?
-							($_SERVER['HTTPS'] ? 'https://' : 'http://').$_SERVER['HTTP_HOST'] : '').
-							$GLOBALS['egw']->link('/index.php',$contact['photo']);
-					}
-					break;
-				case 'tel_prefer':
-					if ($value && $contact[$value])
-					{
-						$value = $contact[$value];
-					}
-					break;
-				case 'account_id':
-					if ($value)
-					{
-						$replacements['$$'.($prefix ? $prefix.'/':'').'account_lid$$'] = $GLOBALS['egw']->accounts->id2name($value);
-					}
-					break;
-			}
-			if ($name != 'photo') $replacements['$$'.($prefix ? $prefix.'/':'').$name.'$$'] = $value;
-		}
-		// set custom fields, should probably go to a general method all apps can use
-		// need to load all cfs for $ignore_acl=true
-		foreach($ignore_acl ? egw_customfields::get('addressbook', true) : $this->contacts->customfields as $name => $field)
-		{
-			$name = '#'.$name;
-			$replacements['$$'.($prefix ? $prefix.'/':'').$name.'$$'] =
-				// use raw data for yaml, no user-preference specific formatting
-				$this->mimetype == 'application/x-yaml' ? (string)$contact[$name] :
-				egw_customfields::format($field, (string)$contact[$name]);
-		}
-
-		// Add in extra cat field
-		$cats = array();
-		foreach(is_array($contact['cat_id']) ? $contact['cat_id'] : explode(',',$contact['cat_id']) as $cat_id)
-		{
-			if(!$cat_id) continue;
-			if($GLOBALS['egw']->categories->id2name($cat_id,'main') != $cat_id)
-			{
-				$path = $GLOBALS['egw']->categories->id2name($cat_id,'path');
-				$path = explode(' / ', $path);
-				unset($path[0]); // Drop main
-				$cats[$GLOBALS['egw']->categories->id2name($cat_id,'main')][] = implode(' / ', $path);
-			} elseif($cat_id) {
-				$cats[$cat_id] = array();
-			}
-		}
-		foreach($cats as $main => $cat) {
-			$replacements['$$'.($prefix ? $prefix.'/':'').'categories$$'] .= $GLOBALS['egw']->categories->id2name($main,'name')
-				. (count($cat) > 0 ? ': ' : '') . implode(', ', $cats[$main]) . "\n";
-		}
-		return $replacements;
-	}
-
-	/**
-	 * Get links for the given record
-	 *
-	 * Uses egw_link system to get link titles
-	 *
-	 * @param app Name of current app
-	 * @param id ID of current entry
-	 * @param only_app Restrict links to only given application
-	 * @param exclude Exclude links to these applications
-	 * @param style String One of:
-	 * 	'title' - plain text, just the title of the link
-	 * 	'link' - URL to the entry
-	 * 	'href' - HREF tag wrapped around the title
-	 */
-	protected function get_links($app, $id, $only_app='', $exclude = array(), $style = 'title')
-	{
-		$links = egw_link::get_links($app, $id, $only_app);
-		$link_titles = array();
-		foreach($links as $link_id => $link_info)
-		{
-			// Using only_app only returns the ID
-			if(!is_array($link_info) && $only_app && $only_app[0] !== '!')
-			{
-				$link_info = array(
-					'app'	=> $only_app,
-					'id'	=> $link_info
-				);
-			}
-			if($exclude && in_array($link_info['id'], $exclude)) continue;
-
-			$title = egw_link::title($link_info['app'], $link_info['id']);
-			if(class_exists('stylite_links_stream_wrapper') && $link_info['app'] != egw_link::VFS_APPNAME)
-			{
-				$title = stylite_links_stream_wrapper::entry2name($link_info['app'], $link_info['id'], $title);
-			}
-			if($style == 'href' || $style == 'link')
-			{
-				$link = egw_link::view($link_info['app'], $link_info['id'], $link_info);
-				if($link_info['app'] != egw_link::VFS_APPNAME)
-				{
-					// Set app to false so we always get an external link
-					$link = str_replace(',','%2C',egw::link('/index.php',$link, false));
-				}
-				else
-				{
-					$link = egw::link($link, array());
-				}
-				// Prepend site
-				if ($link{0} == '/')
-				{
-					$link = ($_SERVER['HTTPS'] || $GLOBALS['egw_info']['server']['enforce_ssl'] ? 'https://' : 'http://').
-						($GLOBALS['egw_info']['server']['hostname'] ? $GLOBALS['egw_info']['server']['hostname'] : $_SERVER['HTTP_HOST']).$link;
-				}
-				$title = $style == 'href' ? html::a_href(html::htmlspecialchars($title), $link) : $link;
-			}
-			$link_titles[] = $title;
-		}
-		return implode("\n",$link_titles);
-	}
-
-	/**
-	 * Get all link placeholders
-	 *
-	 * Calls get_links() repeatedly to get all the combinations for the content.
-	 *
-	 * @param $app String appname
-	 * @param $id String ID of record
-	 * @param $prefix
-	 * @param $content String document content
-	 */
-	protected function get_all_links($app, $id, $prefix, &$content)
-	{
-		$array = array();
-		$pattern = '@\$(link|links|attachments|links_attachments)\/?(title|href|link)?\/?([a-z]*)\$@';
-		static $link_cache;
-		if(preg_match_all($pattern, $content, $matches))
-		{
-			foreach($matches[0] as $i => $placeholder)
-			{
-				$placeholder = substr($placeholder, 1, -1);
-				if($link_cache[$id][$placeholder])
-				{
-					$array[$placeholder] = $link_cache[$id][$placeholder];
-					continue;
-				}
-				switch($matches[1][$i])
-				{
-					case 'link':
-						// Link to current record
-						$title = egw_link::title($app, $id);
-						if(class_exists('stylite_links_stream_wrapper') && $app != egw_link::VFS_APPNAME)
-						{
-							$title = stylite_links_stream_wrapper::entry2name($app, $id, $title);
-						}
-
-						$link = egw_link::view($app, $id);
-						if($app != egw_link::VFS_APPNAME)
-						{
-							// Set app to false so we always get an external link
-							$link = str_replace(',','%2C',egw::link('/index.php',$link, false));
-						}
-						else
-						{
-							$link = egw::link($link, array());
-						}
-						// Prepend site
-						if ($link{0} == '/')
-						{
-							$link = ($_SERVER['HTTPS'] || $GLOBALS['egw_info']['server']['enforce_ssl'] ? 'https://' : 'http://').
-								($GLOBALS['egw_info']['server']['hostname'] ? $GLOBALS['egw_info']['server']['hostname'] : $_SERVER['HTTP_HOST']).$link;
-						}
-						$title = html::a_href(html::htmlspecialchars($title), $link);
-						$array[($prefix?$prefix.'/':'').$placeholder] = $title;
-						break;
-					case 'links':
-						$array[($prefix?$prefix.'/':'').$placeholder] = $this->get_links($app, $id, '!'.egw_link::VFS_APPNAME, array(),$matches[2][$i]);
-						break;
-					case 'attachments':
-						$array[($prefix?$prefix.'/':'').$placeholder] = $this->get_links($app, $id, egw_link::VFS_APPNAME,array(),$matches[2][$i]);
-						break;
-					default:
-						$array[($prefix?$prefix.'/':'').$placeholder] = $this->get_links($app, $id, $matches[3][$i], array(), $matches[2][$i]);
-						break;
-				}
-				$link_cache[$id][$placeholder] = $array[$placeholder];
-			}
-		}
-		// Need to set each app, to make sure placeholders are removed
-                foreach(array_keys($GLOBALS['egw_info']['user']['apps']) as $_app)
-                {
-                        $array[($prefix?$prefix.'/':'')."links/$app"] = $this->get_links($app,$id,$_app);
-                }
-		return $array;
-	}
-
-	/**
-	 * Format a datetime
-	 *
-	 * @param int|string|DateTime $time unix timestamp or Y-m-d H:i:s string (in user time!)
-	 * @param string $format=null format string, default $this->datetime_format
-	 * @deprecated use egw_time::to($time='now',$format='')
-	 * @return string
-	 */
-	protected function format_datetime($time,$format=null)
-	{
-		trigger_error(__METHOD__ . ' is deprecated, use egw_time::to($time, $format)', E_USER_DEPRECATED);
-		if (is_null($format)) $format = $this->datetime_format;
-
-		return egw_time::to($time,$format);
-	}
-
-	/**
-	 * Checks if current user is excepted from the export-limit:
-	 * a) access to admin application
-	 * b) he or one of his memberships is named in export_limit_excepted config var
-	 *
-	 * @return boolean
-	 */
-	public static function is_export_limit_excepted()
-	{
-		static $is_excepted;
-
-		if (is_null($is_excepted))
-		{
-			$is_excepted = isset($GLOBALS['egw_info']['user']['apps']['admin']);
-
-			// check export-limit and fail if user tries to export more entries then allowed
-			if (!$is_excepted && (is_array($export_limit_excepted = $GLOBALS['egw_info']['server']['export_limit_excepted']) ||
-				is_array($export_limit_excepted = unserialize($export_limit_excepted))))
-			{
-				$id_and_memberships = $GLOBALS['egw']->accounts->memberships($GLOBALS['egw_info']['user']['account_id'],true);
-				$id_and_memberships[] = $GLOBALS['egw_info']['user']['account_id'];
-				$is_excepted = (bool) array_intersect($id_and_memberships, $export_limit_excepted);
-			}
-		}
-		return $is_excepted;
-	}
-
-	/**
-	 * getExportLimit
-	 * checks if there is an exportlimit set, and returns
-	 * @param mixed $app_limit checks and validates app_limit, if not set returns the global limit
-	 *
-	 * @return mixed - no if no export is allowed, false if there is no restriction and int as there is a valid restriction
-	 *		you may have to cast the returned value to int, if you want to use it as number
-	 */
-	public static function getExportLimit($app='common')
-	{
-		static $exportLimitStore;
-		if (is_null($exportLimitStore)) $exportLimitStore=array();
-		if (empty($app)) $app='common';
-		//error_log(__METHOD__.__LINE__.' called with app:'.$app);
-		if (!array_key_exists($app,$exportLimitStore))
-		{
-			//error_log(__METHOD__.__LINE__.' -> '.$app_limit.' '.function_backtrace());
-			$exportLimitStore[$app] = $GLOBALS['egw_info']['server']['export_limit'];
-			if ($app !='common')
-			{
-				$app_limit = $GLOBALS['egw']->hooks->single('export_limit',$app);
-				if ($app_limit) $exportLimitStore[$app] = $app_limit;
-			}
-			//error_log(__METHOD__.__LINE__.' building cache for app:'.$app.' -> '.$exportLimitStore[$app]);
-			if (empty($exportLimitStore[$app]))
-			{
-				$exportLimitStore[$app] = false;
-				return false;
-			}
-
-			if (is_numeric($exportLimitStore[$app]))
-			{
-				$exportLimitStore[$app] = (int)$exportLimitStore[$app];
-			}
-			else
-			{
-				$exportLimitStore[$app] = 'no';
-			}
-			//error_log(__METHOD__.__LINE__.' -> '.$exportLimit);
-		}
-		//error_log(__METHOD__.__LINE__.' app:'.$app.' -> '.$exportLimitStore[$app]);
-		return $exportLimitStore[$app];
-	}
-
-	/**
-	 * hasExportLimit
-	 * checks wether there is an exportlimit set, and returns true or false
-	 * @param mixed $app_limit app_limit, if not set checks the global limit
-	 * @param string $checkas [AND|ISALLOWED], AND default; if set to ISALLOWED it is checked if Export is allowed
-	 *
-	 * @return bool - true if no export is allowed or a limit is set, false if there is no restriction
-	 */
-	public static function hasExportLimit($app_limit,$checkas='AND')
-	{
-		if (strtoupper($checkas) == 'ISALLOWED') return (empty($app_limit) || ($app_limit !='no' && $app_limit > 0) );
-		if (empty($app_limit)) return false;
-		if ($app_limit == 'no') return true;
-		if ($app_limit > 0) return true;
-	}
-
-	/**
-	 * Merges a given document with contact data
-	 *
-	 * @param string $document path/url of document
-	 * @param array $ids array with contact id(s)
-	 * @param string &$err error-message on error
-	 * @param string $mimetype mimetype of complete document, eg. text/*, application/vnd.oasis.opendocument.text, application/rtf
-	 * @param array $fix=null regular expression => replacement pairs eg. to fix garbled placeholders
-	 * @return string|boolean merged document or false on error
-	 */
-	public function &merge($document,$ids,&$err,$mimetype,array $fix=null)
-	{
-		if (!($content = file_get_contents($document)))
-		{
-			$err = lang("Document '%1' does not exist or is not readable for you!",$document);
-			return false;
-		}
-
-		if (self::hasExportLimit($this->export_limit) && !self::is_export_limit_excepted() && count($ids) > (int)$this->export_limit)
-		{
-			$err = lang('No rights to export more than %1 entries!',(int)$this->export_limit);
-			return false;
-		}
-
-		// fix application/msword mimetype for rtf files
-		if ($mimetype == 'application/msword' && strtolower(substr($document,-4)) == '.rtf')
-		{
-			$mimetype = 'application/rtf';
-		}
-
-		try {
-			$content = $this->merge_string($content,$ids,$err,$mimetype,$fix);
-		} catch (Exception $e) {
-			$err = $e->getMessage();
-			return false;
-		}
-		return $content;
-	}
-
-	protected function apply_styles (&$content, $mimetype, $mso_application_progid=null)
-	{
-		if (!isset($mso_application_progid))
-		{
-			$mso_application_progid = $mimetype == 'application/xml' &&
-				preg_match('/'.preg_quote('<?mso-application progid="').'([^"]+)'.preg_quote('"?>').'/',substr($content,0,200),$matches) ?
-					$matches[1] : '';
-		}
-		// Tags we can replace with the target document's version
-		$replace_tags = array();
-		switch($mimetype.$mso_application_progid)
-		{
-			case 'application/vnd.oasis.opendocument.text':		// open office
-			case 'application/vnd.oasis.opendocument.spreadsheet':
-				// It seems easier to split the parent tags here
-				$replace_tags = array(
-					'/<(ol|ul|table)( [^>]*)?>/' => '</text:p><$1$2>',
-					'/<\/(ol|ul|table)>/' => '</$1><text:p>',
-					//'/<(li)(.*?)>(.*?)<\/\1>/' => '<$1 $2>$3</$1>',
-				);
-				$content = preg_replace(array_keys($replace_tags),array_values($replace_tags),$content);
-
-				$doc = new DOMDocument();
-				$xslt = new XSLTProcessor();
-				$doc->load(EGW_INCLUDE_ROOT.'/etemplate/templates/default/openoffice.xslt');
-				$xslt->importStyleSheet($doc);
-
-//echo $content;die();
-				break;
-			case 'application/xmlWord.Document':	// Word 2003*/
-			case 'application/vnd.openxmlformats-officedocument.wordprocessingml.document':	// ms office 2007
-			case 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet':
-				// It seems easier to split the parent tags here
-				$replace_tags = array(
-					// Tables, lists don't go inside <w:p>
-					'/<(ol|ul|table)( [^>]*)?>/' => '</w:t></w:r></w:p><$1$2>',
-					'/<\/(ol|ul|table)>/' => '</$1><w:p><w:r><w:t>',
-					// Fix for things other than text (newlines) inside table row
-					'/<(td)( [^>]*)?>((?!<w:t>))(.*?)<\/td>[\s]*?/' => '<$1$2><w:t>$4</w:t></td>',
-					// Remove extra whitespace
-					'/<li([^>]*?)>[^:print:]*?(.*?)<\/li>/' => '<li$1>$2</li>', // This doesn't get it all
-					'/<w:t>[\s]+(.*?)<\/w:t>/' => '<w:t>$1</w:t>',
-					// Remove spans with no attributes, linebreaks inside them cause problems
-					'/<span>(.*?)<\/span>/' => '$1'
-				);
-				$content = preg_replace(array_keys($replace_tags),array_values($replace_tags),$content, -1, $count);
-
-				/*
-				In the case where you have something like <span><span></w:t><w:br/><w:t></span></span> (invalid - mismatched tags),
-				it takes multiple runs to get rid of both spans.  So, loop.
-				OO.o files have not yet been shown to have this problem.
-				*/
-				$count = $i = 0;
-				do
-				{
-					$content = preg_replace('/<span>(.*?)<\/span>/','$1',$content, -1, $count);
-					$i++;
-				} while($count > 0 && $i < 10);
-
-				$doc = new DOMDocument();
-				$xslt = new XSLTProcessor();
-				$xslt_file = $mimetype == 'application/xml' ? 'wordml.xslt' : 'msoffice.xslt';
-				$doc->load(EGW_INCLUDE_ROOT.'/etemplate/templates/default/'.$xslt_file);
-				$xslt->importStyleSheet($doc);
-				break;
-		}
-
-		// XSLT transform known tags
-		if($xslt)
-		{
-			// does NOT work with php 5.2.6: Catchable fatal error: argument 1 to transformToXml() must be of type DOMDocument
-			//$element = new SimpleXMLelement($content);
-			$element = new DOMDocument('1.0', 'utf-8');
-			$result = $element->loadXML($content);
-			if(!$result)
-			{
-				throw new Exception('Unable to parse merged document for styles.  Check warnings in log for details.');
-			}
-			$content = $xslt->transformToXml($element);
-
-			// Word 2003 needs two declarations, add extra declaration back in
-			if($mimetype == 'application/xml' && $mso_application_progid == 'Word.Document' && strpos($content, '<?xml') !== 0) {
-				$content = '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>'.$content;
-			}
-			// Validate
-			/*
-			$doc = new DOMDocument();
-			$doc->loadXML($content);
-			$doc->schemaValidate(*Schema (xsd) file*);
-			*/
-		}
-	}
-
-	/**
-	 * Merges a given document with contact data
-	 *
-	 * @param string $content
-	 * @param array $ids array with contact id(s)
-	 * @param string &$err error-message on error
-	 * @param string $mimetype mimetype of complete document, eg. text/*, application/vnd.oasis.opendocument.text, application/rtf
-	 * @param array $fix=null regular expression => replacement pairs eg. to fix garbled placeholders
-	 * @param string $charset=null charset to override default set by mimetype or export charset
-	 * @return string|boolean merged document or false on error
-	 */
-	public function &merge_string($content,$ids,&$err,$mimetype,array $fix=null,$charset=null)
-	{
-		if ($mimetype == 'application/xml' &&
-			preg_match('/'.preg_quote('<?mso-application progid="').'([^"]+)'.preg_quote('"?>').'/',substr($content,0,200),$matches))
-		{
-			$mso_application_progid = $matches[1];
-		}
-		else
-		{
-			$mso_application_progid = '';
-		}
-		// alternative syntax using double curly brackets (eg. {{cat_id}} instead $$cat_id$$),
-		// agressivly removing all xml-tags eg. Word adds within placeholders
-		$content = preg_replace_callback('/{{[^}]+}}/i',create_function('$p','return \'$$\'.strip_tags(substr($p[0],2,-2)).\'$$\';'),$content);
-
-		// Handle escaped placeholder markers in RTF, they won't match when escaped
-		if($mimetype == 'application/rtf')
-		{
-			$content = preg_replace('/\\\{\\\{([^\\}]+)\\\}\\\}/i','$$\1$$',$content);
-		}
-
-		// make currently processed mimetype available to class methods;
-		$this->mimetype = $mimetype;
-
-		// fix garbled placeholders
-		if ($fix && is_array($fix))
-		{
-			$content = preg_replace(array_keys($fix),array_values($fix),$content);
-			//die("<pre>".htmlspecialchars($content)."</pre>\n");
-		}
-		list($contentstart,$contentrepeat,$contentend) = preg_split('/\$\$pagerepeat\$\$/',$content,-1, PREG_SPLIT_NO_EMPTY);  //get differt parts of document, seperatet by Pagerepeat
-		if ($mimetype == 'text/plain' && count($ids) > 1)
-		{
-			// textdocuments are simple, they do not hold start and end, but they may have content before and after the $$pagerepeat$$ tag
-			// header and footer should not hold any $$ tags; if we find $$ tags with the header, we assume it is the pagerepeatcontent
-			$nohead = false;
-			if (stripos($contentstart,'$$') !== false) $nohead = true;
-			if ($nohead)
-			{
-				$contentend = $contentrepeat;
-				$contentrepeat = $contentstart;
-				$contentstart = '';
-			}
-
-		}
-		if ($mimetype == 'application/vnd.oasis.opendocument.text' && count($ids) > 1)
-		{
-			if(strpos($content, '$$pagerepeat') === false)
-			{
-				//for odt files we have to split the content and add a style for page break to  the style area
-				list($contentstart,$contentrepeat,$contentend) = preg_split('/office:body>/',$content,-1, PREG_SPLIT_NO_EMPTY);  //get differt parts of document, seperatet by Pagerepeat
-				$contentstart = substr($contentstart,0,strlen($contentstart)-1);  //remove "<"
-				$contentrepeat = substr($contentrepeat,0,strlen($contentrepeat)-2);  //remove "</";
-				// need to add page-break style to the style list
-				list($stylestart,$stylerepeat,$styleend) = preg_split('/<\/office:automatic-styles>/',$content,-1, PREG_SPLIT_NO_EMPTY);  //get differt parts of document style sheets
-				$contentstart = $stylestart.'<style:style style:name="P200" style:family="paragraph" style:parent-style-name="Standard"><style:paragraph-properties fo:break-before="page"/></style:style></office:automatic-styles>';
-				$contentstart .= '<office:body>';
-				$contentend = '</office:body></office:document-content>';
-			}
-			else
-			{
-				// Template specifies where to repeat
-				list($contentstart,$contentrepeat,$contentend) = preg_split('/\$\$pagerepeat\$\$/',$content,-1, PREG_SPLIT_NO_EMPTY);  //get different parts of document, seperated by pagerepeat
-			}
-		}
-		if ($mimetype == 'application/vnd.openxmlformats-officedocument.wordprocessingml.document' && count($ids) > 1)
-		{
-			//for Word 2007 XML files we have to split the content and add a style for page break to  the style area
-			list($contentstart,$contentrepeat,$contentend) = preg_split('/w:body>/',$content,-1, PREG_SPLIT_NO_EMPTY);  //get differt parts of document, seperatet by Pagerepeat
-			$contentstart = substr($contentstart,0,strlen($contentstart)-1);  //remove "</"
-			$contentrepeat = substr($contentrepeat,0,strlen($contentrepeat)-2);  //remove "</";
-			$contentstart .= '<w:body>';
-			$contentend = '</w:body></w:document>';
-		}
-		list($Labelstart,$Labelrepeat,$Labeltend) = preg_split('/\$\$label\$\$/',$contentrepeat,-1, PREG_SPLIT_NO_EMPTY);  //get the Lable content
-		preg_match_all('/\$\$labelplacement\$\$/',$contentrepeat,$countlables, PREG_SPLIT_NO_EMPTY);
-		$countlables = count($countlables[0]);
-		preg_replace('/\$\$labelplacement\$\$/','',$Labelrepeat,1);
-		if ($countlables > 1) $lableprint = true;
-		if (count($ids) > 1 && !$contentrepeat)
-		{
-			$err = lang('for more than one contact in a document use the tag pagerepeat!');
-			return false;
-		}
-		if ($this->report_memory_usage) error_log(__METHOD__."(count(ids)=".count($ids).") strlen(contentrepeat)=".strlen($contentrepeat).', strlen(labelrepeat)='.strlen($Labelrepeat));
-
-		if ($contentrepeat)
-		{
-			$content_stream = fopen('php://temp','r+');
-			fwrite($content_stream, $contentstart);
-			$joiner = '';
-			switch($mimetype)
-			{
-				case 'application/rtf':
-				case 'text/rtf':
-					$joiner = '\\par \\page\\pard\\plain';
-					break;
-				case 'application/vnd.oasis.opendocument.text':
-				case 'application/vnd.oasis.opendocument.spreadsheet':
-				case 'application/xml':
-				case 'text/html':
-					$joiner = '';
-					break;
-				case 'application/vnd.openxmlformats-officedocument.wordprocessingml.document':
-				case 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet':
-					$joiner = '<w:br w:type="page" />';
-					break;
-				case 'text/plain':
-					$joiner = "\r\n";
-					break;
-				default:
-					$err = lang('%1 not implemented for %2!','$$pagerepeat$$',$mimetype);
-					return false;
-			}
-		}
-		foreach ((array)$ids as $n => $id)
-		{
-			if ($contentrepeat) $content = $contentrepeat;   //content to repeat
-			if ($lableprint) $content = $Labelrepeat;
-
-			// generate replacements; if exeption is thrown, catch it set error message and return false
-			try
-			{
-				if(!($replacements = $this->get_replacements($id,$content)))
-				{
-					$err = lang('Entry not found!');
-					return false;
-				}
-			}
-			catch (egw_exception_wrong_userinput $e)
-			{
-				// if this returns with an exeption, something failed big time
-				$err = $e->getMessage();
-				return false;
-			}
-			if ($this->report_memory_usage) error_log(__METHOD__."() $n: $id ".egw_vfs::hsize(memory_get_usage(true)));
-			// some general replacements: current user, date and time
-			if (strpos($content,'$$user/') !== null && ($user = $GLOBALS['egw']->accounts->id2name($GLOBALS['egw_info']['user']['account_id'],'person_id')))
-			{
-				$replacements += $this->contact_replacements($user,'user');
-				$replacements['$$user/primary_group$$'] = $GLOBALS['egw']->accounts->id2name($GLOBALS['egw']->accounts->id2name($GLOBALS['egw_info']['user']['account_id'],'account_primary_group'));
-			}
-			$replacements['$$date$$'] = egw_time::to('now',true);
-			$replacements['$$datetime$$'] = egw_time::to('now');
-			$replacements['$$time$$'] = egw_time::to('now',false);
-
-			// does our extending class registered table-plugins AND document contains table tags
-			if ($this->table_plugins && preg_match_all('/\\$\\$table\\/([A-Za-z0-9_]+)\\$\\$(.*?)\\$\\$endtable\\$\\$/s',$content,$matches,PREG_SET_ORDER))
-			{
-				// process each table
-				foreach($matches as $match)
-				{
-					$plugin   = $match[1];	// plugin name
-					$callback = $this->table_plugins[$plugin];
-					$repeat   = $match[2];	// line to repeat
-					$repeats = '';
-					if (isset($callback))
-					{
-						for($n = 0; ($row_replacements = $this->$callback($plugin,$id,$n,$repeat)); ++$n)
-						{
-							$_repeat = $this->process_commands($repeat, $row_replacements);
-							$repeats .= $this->replace($_repeat,$row_replacements,$mimetype,$mso_application_progid);
-						}
-					}
-					$content = str_replace($match[0],$repeats,$content);
-				}
-			}
-			$content = $this->replace($content,$replacements,$mimetype,$mso_application_progid,$charset);
-
-			$content = $this->process_commands($content, $replacements);
-
-			// remove not existing replacements (eg. from calendar array)
-			if (strpos($content,'$$') !== null)
-			{
-				$content = preg_replace('/\$\$[a-z0-9_\/]+\$\$/i','',$content);
-			}
-			if ($contentrepeat)
-			{
-				fwrite($content_stream, ($n == 0 ? '' : $joiner) . $content);
-			}
-			if($lableprint)
-			{
-				$contentrep[is_array($id) ? implode(':',$id) : $id] = $content;
-			}
-		}
-		if ($Labelrepeat)
-		{
-			$countpage=0;
-			$count=0;
-			$contentrepeatpages[$countpage] = $Labelstart.$Labeltend;
-
-			foreach ($contentrep as $Label)
-			{
-				$contentrepeatpages[$countpage] = preg_replace('/\$\$labelplacement\$\$/',$Label,$contentrepeatpages[$countpage],1);
-				$count=$count+1;
-				if (($count % $countlables) == 0 && count($contentrep)>$count)  //new page
-				{
-					$countpage = $countpage+1;
-					$contentrepeatpages[$countpage] = $Labelstart.$Labeltend;
-				}
-			}
-			$contentrepeatpages[$countpage] = preg_replace('/\$\$labelplacement\$\$/','',$contentrepeatpages[$countpage],-1);  //clean empty fields
-
-			switch($mimetype)
-			{
-				case 'application/rtf':
-				case 'text/rtf':
-					return $contentstart.implode('\\par \\page\\pard\\plain',$contentrepeatpages).$contentend;
-				case 'application/vnd.oasis.opendocument.text':
-					return $contentstart.implode('<text:line-break />',$contentrepeatpages).$contentend;
-				case 'application/vnd.oasis.opendocument.spreadsheet':
-					return $contentstart.implode('</text:p><text:p>',$contentrepeatpages).$contentend;
-				case 'application/vnd.openxmlformats-officedocument.wordprocessingml.document':
-				case 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet':
-					return $contentstart.implode('<w:br w:type="page" />',$contentrepeatpages).$contentend;
-				case 'text/plain':
-					return $contentstart.implode("\r\n",$contentrep).$contentend;
-			}
-			$err = lang('%1 not implemented for %2!','$$labelplacement$$',$mimetype);
-			return false;
-		}
-
-		if ($contentrepeat)
-		{
-			fwrite($content_stream, $contentend);
-			rewind($content_stream);
-			return stream_get_contents($content_stream);
-		}
-		if ($this->report_memory_usage) error_log(__METHOD__."() returning ".egw_vfs::hsize(memory_get_peak_usage(true)));
-
-		return $content;
-	}
-
-	/**
-	 * Replace placeholders in $content of $mimetype with $replacements
-	 *
-	 * @param string $content
-	 * @param array $replacements name => replacement pairs
-	 * @param string $mimetype mimetype of content
-	 * @param string $mso_application_progid='' MS Office 2003: 'Excel.Sheet' or 'Word.Document'
-	 * @param string $charset=null charset to override default set by mimetype or export charset
-	 * @return string
-	 */
-	protected function replace($content,array $replacements,$mimetype,$mso_application_progid='',$charset=null)
-	{
-		switch($mimetype)
-		{
-			case 'application/vnd.oasis.opendocument.text':		// open office
-			case 'application/vnd.oasis.opendocument.spreadsheet':
-			case 'application/vnd.openxmlformats-officedocument.wordprocessingml.document':	// ms office 2007
-			case 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet':
-			case 'application/xml':
-			case 'text/xml':
-				$is_xml = true;
-				$charset = 'utf-8';	// xml files --> always use utf-8
-				break;
-
-			case 'text/html':
-				$is_xml = true;
-				if (preg_match('/<meta http-equiv="content-type".*charset=([^;"]+)/i',$content,$matches))
-				{
-					$charset = $matches[1];
-				}
-				elseif (empty($charset))
-				{
-					$charset = 'utf-8';
-				}
-				break;
-
-			default:	// div. text files --> use our export-charset, defined in addressbook prefs
-				if (empty($charset)) $charset = $this->contacts->prefs['csv_charset'];
-				break;
-		}
-		//error_log(__METHOD__."('$document', ... ,$mimetype) --> $charset (egw=".translation::charset().', export='.$this->contacts->prefs['csv_charset'].')');
-
-		// do we need to convert charset
-		if ($charset && $charset != translation::charset())
-		{
-			$replacements = translation::convert($replacements,translation::charset(),$charset);
-		}
-
-		// Date only placeholders for timestamps
-		if(is_array($this->date_fields))
-		{
-			foreach($this->date_fields as $field)
-			{
-				if($value = $replacements['$$'.$field.'$$'])
-				{
-					$time = egw_time::createFromFormat('+'.egw_time::$user_dateformat.' '.egw_time::$user_timeformat.'*', $value);
-					$replacements['$$'.$field.'/date$$'] = $time ? $time->format(egw_time::$user_dateformat)  : '';
-				}
-			}
-		}
-		if ($is_xml)	// zip'ed xml document (eg. OO)
-		{
-			// Numeric fields
-			$names = array();
-
-			// Tags we can replace with the target document's version
-			$replace_tags = array();
-			// only keep tags, if we have xsl extension available
-			if (class_exists(XSLTProcessor) && class_exists(DOMDocument) && $this->parse_html_styles)
-			{
-				switch($mimetype.$mso_application_progid)
-				{
-					case 'text/html':
-						$replace_tags = array(
-							'<b>','<strong>','<i>','<em>','<u>','<span>','<ol>','<ul>','<li>',
-							'<table>','<tr>','<td>','<a>','<style>',
-						);
-						break;
-					case 'application/vnd.oasis.opendocument.text':		// open office
-					case 'application/vnd.oasis.opendocument.spreadsheet':
-						$replace_tags = array(
-							'<b>','<strong>','<i>','<em>','<u>','<span>','<ol>','<ul>','<li>',
-							'<table>','<tr>','<td>','<a>',
-						);
-						break;
-					case 'application/xmlWord.Document':	// Word 2003*/
-					case 'application/vnd.openxmlformats-officedocument.wordprocessingml.document':	// ms office 2007
-					case 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet':
-						$replace_tags = array(
-							'<b>','<strong>','<i>','<em>','<u>','<span>','<ol>','<ul>','<li>',
-							'<table>','<tr>','<td>',
-						);
-						break;
-				}
-			}
-			// clean replacements from array values and html or html-entities, which mess up xml
-			foreach($replacements as $name => &$value)
-			{
-				// set unresolved array values to empty string
-				if(is_array($value))
-				{
-					$value = '';
-					continue;
-				}
-				// decode html entities back to utf-8
-
-				if (is_string($value) && (strpos($value,'&') !== false) && $this->parse_html_styles)
-				{
-					$value = html_entity_decode($value,ENT_QUOTES,$charset);
-
-					// remove all non-decodable entities
-					if (strpos($value,'&') !== false)
-					{
-						$value = preg_replace('/&[^; ]+;/','',$value);
-					}
-				}
-
-				if(!$this->parse_html_styles)
-				{
-					// Encode special chars so they don't break the file
-					$value = htmlspecialchars($value,ENT_NOQUOTES);
-				}
-				else if (is_string($value) && (strpos($value,'<') !== false))
-				{
-					// Clean HTML, if it's being kept
-					if($replace_tags && extension_loaded('tidy')) {
-						$tidy = new tidy();
-						$cleaned = $tidy->repairString($value, self::$tidy_config);
-						// Found errors. Strip it all so there's some output
-						if($tidy->getStatus() == 2)
-						{
-							error_log($tidy->errorBuffer);
-							$value = strip_tags($value);
-						}
-						else
-						{
-							$value = $cleaned;
-						}
-					}
-					// replace </p> and <br /> with CRLF (remove <p> and CRLF)
-					$value = str_replace(array("\r","\n",'<p>','</p>','<div>','</div>','<br />'),array('','','',"\r\n",'',"\r\n","\r\n"),$value);
-					$value = strip_tags($value,implode('',$replace_tags));
-
-					// Change <tag>...\r\n</tag> to <tag>...</tag>\r\n or simplistic line break below will mangle it
-					// Loop to catch things like <b><span>Break:\r\n</span></b>
-					if($mso_application_progid)
-					{
-						$count = $i = 0;
-						do
-						{
-							$value = preg_replace('/<(b|strong|i|em|u|span)\b([^>]*?)>(.*?)'."\r\n".'<\/\1>/u', '<$1$2>$3</$1>'."\r\n",$value,-1,$count);
-							$i++;
-						} while($count > 0 && $i < 10); // Limit of 10 chosen arbitrarily just in case
-					}
-				}
-				// replace all control chars (C0+C1) but CR (\015), LF (\012) and TAB (\011) (eg. vertical tabulators) with space
-				// as they are not allowed in xml
-				$value = preg_replace('/[\000-\010\013\014\016-\037\177-\237]/u',' ',$value);
-				if(is_numeric($value) && $name != '$$user/account_id$$') // account_id causes problems with the preg_replace below
-				{
-					$names[] = preg_quote($name,'/');
-				}
-			}
-
-			// Look for numbers, set their value if needed
-			if($this->numeric_fields || count($names))
-			{
-				foreach((array)$this->numeric_fields as $fieldname) {
-					$names[] = preg_quote($fieldname,'/');
-				}
-				$this->format_spreadsheet_numbers($content, $names, $mimetype.$mso_application_progid);
-			}
-
-			// Look for dates, set their value if needed
-			if($this->date_fields || count($names))
-			{
-				$names = array();
-				foreach((array)$this->date_fields as $fieldname) {
-					$names[] = $fieldname;
-				}
-				$this->format_spreadsheet_dates($content, $names, $replacements, $mimetype.$mso_application_progid);
-			}
-
-			// replace CRLF with linebreak tag of given type
-			switch($mimetype.$mso_application_progid)
-			{
-				case 'application/vnd.oasis.opendocument.text':		// open office writer
-					$break = '<text:line-break/>';
-					break;
-				case 'application/vnd.oasis.opendocument.spreadsheet':		// open office calc
-					$break = '</text:p><text:p>';
-					break;
-				case 'application/vnd.openxmlformats-officedocument.wordprocessingml.document':	// ms word 2007
-					$break = '</w:t><w:br/><w:t>';
-					break;
-				case 'application/xmlExcel.Sheet':	// Excel 2003
-					$break = '&#10;';
-					break;
-				case 'application/xmlWord.Document':	// Word 2003*/
-					$break = '</w:t><w:br/><w:t>';
-					break;
-				case 'text/html':
-					$break = '<br/>';
-					break;
-				case 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet':	// ms excel 2007
-				default:
-					$break = "\r\n";
-					break;
-			}
-			// now decode &, < and >, which need to be encoded as entities in xml
-			// Check for encoded >< getting double-encoded
-			if($this->parse_html_styles)
-			{
-				$replacements = str_replace(array('&',"\r","\n",'&amp;lt;','&amp;gt;'),array('&amp;','',$break,'&lt;','&gt;'),$replacements);
-			}
-		}
-		if ($mimetype == 'application/x-yaml')
-		{
-			$content = preg_replace_callback('/^( +)([^$\n]*)(\$\$.+?\$\$)/m', function($matches) use ($replacements)
-			{
-				// allow with {{name/replace/with}} syntax to replace eg. commas with linebreaks: "{{name/, */\n}}"
-				$parts = null;
-				if (preg_match('|^\$\$([^/]+)/([^/]+)/([^$]*)\$\$$|', $matches[3], $parts) && isset($replacements['$$'.$parts[1].'$$']))
-				{
-					$replacement =& $replacements['$$'.$parts[1].'$$'];
-					$replacement = preg_replace('/'.$parts[2].'/', strtr($parts[3], array(
-						'\\n' => "\n", '\\r' => "\r", '\\t' => "\t", '\\v' => "\v", '\\\\' => '\\', '\\f' => "\f",
-					)), $replacement);
-				}
-				else
-				{
-					$replacement =& $replacements[$matches[3]];
-				}
-				// replacement with multiple lines --> add same number of space as before placeholder
-				if (isset($replacement))
-				{
-					return $matches[1].$matches[2].implode("\n".$matches[1], preg_split("/\r?\n/", $replacement));
-				}
-				return $matches[0];	// regular replacement below
-			}, $content);
-		}
-		return str_replace(array_keys($replacements),array_values($replacements),$content);
-	}
-
-	/**
-	 * Convert numeric values in spreadsheets into actual numeric values
-	 */
-	protected function format_spreadsheet_numbers(&$content, $names, $mimetype)
-	{
-		foreach((array)$this->numeric_fields as $fieldname) {
-			$names[] = preg_quote($fieldname,'/');
-		}
-		switch($mimetype)
-		{
-			case 'application/vnd.oasis.opendocument.spreadsheet':		// open office calc
-				$format = '/<table:table-cell([^>]+?)office:value-type="[^"]+"([^>]*?)(?:calcext:value-type="[^"]+")?>.?<([a-z].*?)[^>]*>('.implode('|',$names).')<\/\3>.?<\/table:table-cell>/s';
-				$replacement = '<table:table-cell$1office:value-type="float" office:value="$4"$2 calcext:value-type="float"><$3>$4</$3></table:table-cell>';
-				break;
-			case 'application/vnd.oasis.opendocument.text':		// tables in open office writer
-				$format = '/<table:table-cell([^>]+?)office:value-type="[^"]+"([^>]*?)>.?<([a-z].*?)[^>]*>('.implode('|',$names).')<\/\3>.?<\/table:table-cell>/s';
-				$replacement = '<table:table-cell$1office:value-type="float" office:value="$4"$2><text:p text:style-name="Standard">$4</text:p></table:table-cell>';
-				break;
-			case 'application/vnd.oasis.opendocument.text':		// open office writer
-			case 'application/xmlExcel.Sheet':	// Excel 2003
-				$format = '/'.preg_quote('<Data ss:Type="String">','/').'('.implode('|',$names).')'.preg_quote('</Data>','/').'/';
-				$replacement = '<Data ss:Type="Number">$1</Data>';
-
-				break;
-		}
-		if($format && $names)
-		{
-			// Dealing with backtrack limit per AmigoJack 10-Jul-2010 comment on php.net preg-replace docs
-			do {
-				$result = preg_replace($format, $replacement, $content, -1);
-			}
-			// try to increase/double pcre.backtrack_limit failure
-			while(preg_last_error() == PREG_BACKTRACK_LIMIT_ERROR && self::increase_backtrack_limit());
-
-			if ($result) $content = $result;  // On failure $result would be NULL
-		}
-	}
-
-	/**
-	 * Increase/double prce.backtrack_limit up to 1/4 of memory_limit
-	 *
-	 * @return boolean true: backtrack_limit increased, may try again, false limit already to high
-	 */
-	protected static function increase_backtrack_limit()
-	{
-		static $backtrack_limit=null,$memory_limit=null;
-		if (!isset($backtrack_limit))
-		{
-			$backtrack_limit = ini_get('pcre.backtrack_limit');
-		}
-		if (!isset($memory_limit))
-		{
-			$memory_limit = ini_get('memory_limit');
-			switch(strtoupper(substr($memory_limit, -1)))
-			{
-				case 'G': $memory_limit *= 1024;
-				case 'M': $memory_limit *= 1024;
-				case 'K': $memory_limit *= 1024;
-			}
-		}
-		if ($backtrack_limit < $memory_limit/8)
-		{
-			ini_set( 'pcre.backtrack_limit', $backtrack_limit*=2);
-			return true;
-		}
-		error_log("pcre.backtrack_limit exceeded @ $backtrack_limit, some cells left as text.");
-		return false;
-	}
-
-	/**
-	 * Convert date / timestamp values in spreadsheets into actual date / timestamp values
-	 */
-	protected function format_spreadsheet_dates(&$content, $names, &$values, $mimetype)
-	{
-		if(!in_array($mimetype, array(
-			'application/vnd.oasis.opendocument.spreadsheet',		// open office calc
-			'application/xmlExcel.Sheet',					// Excel 2003
-			//'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'//Excel WTF
-		))) return;
-
-		// Some different formats dates could be in, depending what they've been through
-		$formats = array(
-			'!'.egw_time::$user_dateformat . ' ' .egw_time::$user_timeformat.':s',
-			'!'.egw_time::$user_dateformat . '*' .egw_time::$user_timeformat.':s',
-			'!'.egw_time::$user_dateformat . '* ' .egw_time::$user_timeformat,
-			'!'.egw_time::$user_dateformat . '*',
-			'!'.egw_time::$user_dateformat,
-		);
-
-		// Properly format values for spreadsheet
-		foreach($names as $idx => &$field)
-		{
-			$key = '$$'.$field.'$$';
-			$field = preg_quote($field, '/');
-			if($values[$key])
-			{
-				if(!is_numeric($values[$key]))
-				{
-					// Try the different formats, stop when one works
-					foreach($formats as $f)
-					{
-						try {
-							$date = egw_time::createFromFormat(
-								$f,
-								$values[$key],
-								egw_time::$user_timezone
-							);
-							if($date) break;
-						} catch (Exception $e) {
-
-						}
-					}
-					if(!$date)
-					{
-						// Couldn't get a date out of it... skip it
-						trigger_error("Unable to parse date $key = '{$values[$key]}' - left as text", E_USER_NOTICE);
-						unset($names[$idx]);
-						continue;
-					}
-				}
-				else
-				{
-					$date = new egw_time($values[$key]);
-				}
-				if($mimetype == 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet')//Excel WTF
-				{
-					$interval = $date->diff(new egw_time('1900-01-00 0:00'));
-					$values[$key] = $interval->format('%a')+1;// 1900-02-29 did not exist
-					// 1440 minutes in a day - fractional part
-					$values[$key] += ($date->format('H') * 60 + $date->format('i'))/1440;
-				}
-				else
-				{
-					$values[$key] = date('Y-m-d\TH:i:s',egw_time::to($date,'ts'));
-				}
-			}
-			else
-			{
-				unset($names[$idx]);
-			}
-		}
-
-		switch($mimetype)
-		{
-			case 'application/vnd.oasis.opendocument.spreadsheet':		// open office calc
-				// Removing these forces calc to respect our set value-type
-				$content = str_ireplace('calcext:value-type="string"','',$content);
-
-				$format = '/<table:table-cell([^>]+?)office:value-type="[^"]+"([^>]*?)>.?<([a-z].*?)[^>]*>\$\$('.implode('|',$names).')\$\$<\/\3>.?<\/table:table-cell>/s';
-				$replacement = '<table:table-cell$1office:value-type="date" office:date-value="\$\$$4\$\$"$2><$3>\$\$$4\$\$</$3></table:table-cell>';
-				break;
-			case 'application/xmlExcel.Sheet':	// Excel 2003
-				$format = '/'.preg_quote('<Data ss:Type="String">','/').'..('.implode('|',$names).')..'.preg_quote('</Data>','/').'/';
-				$replacement = '<Data ss:Type="DateTime">\$\$$1\$\$</Data>';
-
-				break;
-			case 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet':
-				break;
-		}
-		if($format && $names)
-		{
-			// Dealing with backtrack limit per AmigoJack 10-Jul-2010 comment on php.net preg-replace docs
-			do {
-				$result = preg_replace($format, $replacement, $content, -1);
-			}
-			// try to increase/double pcre.backtrack_limit failure
-			while(preg_last_error() == PREG_BACKTRACK_LIMIT_ERROR && self::increase_backtrack_limit());
-
-			if ($result) $content = $result;  // On failure $result would be NULL
-		}
-	}
-
-	/**
-	 * Expand link_to custom fields with the merge replacements from the app
-	 * but only if the template uses them.
-	 */
-	public function cf_link_to_expand($values, $content, &$replacements, $app = null)
-	{
-		if($app == null)
-		{
-			$app = str_replace('_merge','',get_class($this));
-		}
-		$cfs = config::get_customfields($app);
-
-		// Cache, in case more than one sub-placeholder is used
-		$app_replacements = array();
-
-		// Custom field placeholders look like {{#name}}
-		// Placeholders that need expanded will look like {{#name/placeholder}}
-		preg_match_all('/\${2}(([^\/#]*?\/)?)#([^$\/]+)\/(.*?)[$}]{2}/', $content, $matches);
-		list($placeholders, $prefixes, $pre, $cf, $sub) = $matches;
-
-		foreach($cf as $index => $field)
-		{
-			if($cfs[$field])
-			{
-				if(in_array($cfs[$field]['type'],array_keys($GLOBALS['egw_info']['apps'])))
-				{
-					$field_app = $cfs[$field]['type'];
-				}
-				else if ($cfs[$field]['type'] == 'home-accounts' || $cfs[$field]['type'] == 'select-account')
-				{
-					// Special case for home-accounts -> contact
-					$field_app = 'addressbook';
-					$account = $GLOBALS['egw']->accounts->read($values['#'.$field]);
-					$app_replacements[$field] = $this->contact_replacements($account['person_id']);
-				}
-				else if ($list = explode('-',$cfs[$field]['type']) && in_array($list[0], array_keys($GLOBALS['egw_info']['apps'])))
-				{
-					// Sub-type - use app
-					$field_app = $list[0];
-				}
-				else
-				{
-					continue;
-				}
-
-				// Get replacements for that application
-				if(!$app_replacements[$field])
-				{
-					$classname = "{$field_app}_merge";
-					$class = new $classname();
-					// If we send the real content, it can result in infinite loop of lookups
-					// This means you can't do {{#other_app/#other_app_cf/n_fn}}
-					$content = '';
-					$app_replacements[$field] = $class->get_replacements($values['#'.$field], $content);
-				}
-				$replacements[$placeholders[$index]] = $app_replacements[$field]['$$'.$sub[$index].'$$'];
-			}
-			else
-			{
-				if ($cfs[$field]['type'] == 'date' || $cfs[$field]['type'] == 'date-time') $this->date_fields[] = '#'.$field;
-			}
-		}
-	}
-
-	/**
-	 * Process special flags, such as IF or NELF
-	 *
-	 * @param content Text to be examined and changed
-	 * @param replacements array of markers => replacement
-	 *
-	 * @return changed content
-	 */
-	private function process_commands($content, $replacements)
-	{
-		if (strpos($content,'$$IF') !== false)
-		{	//Example use to use: $$IF n_prefix~Herr~Sehr geehrter~Sehr geehrte$$
-			$this->replacements =& $replacements;
-			$content = preg_replace_callback('/\$\$IF ([#0-9a-z_\/-]+)~(.*)~(.*)~(.*)\$\$/imU',Array($this,'replace_callback'),$content);
-			unset($this->replacements);
-		}
-		if (strpos($content,'$$NELF') !== false)
-		{	//Example: $$NEPBR org_unit$$ sets a LF and value of org_unit, only if there is a value
-			$this->replacements =& $replacements;
-			$content = preg_replace_callback('/\$\$NELF ([#0-9a-z_\/-]+)\$\$/imU',Array($this,'replace_callback'),$content);
-			unset($this->replacements);
-		}
-		if (strpos($content,'$$NENVLF') !== false)
-		{	//Example: $$NEPBRNV org_unit$$ sets only a LF if there is a value for org_units, but did not add any value
-			$this->replacements =& $replacements;
-			$content = preg_replace_callback('/\$\$NENVLF ([#0-9a-z_\/-]+)\$\$/imU',Array($this,'replace_callback'),$content);
-			unset($this->replacements);
-		}
-		if (strpos($content,'$$LETTERPREFIX$$') !== false)
-		{	//Example use to use: $$LETTERPREFIX$$
-			$LETTERPREFIXCUSTOM = '$$LETTERPREFIXCUSTOM n_prefix title n_family$$';
-			$content = str_replace('$$LETTERPREFIX$$',$LETTERPREFIXCUSTOM,$content);
-		}
-		if (strpos($content,'$$LETTERPREFIXCUSTOM') !== false)
-		{	//Example use to use for a custom Letter Prefix: $$LETTERPREFIX n_prefix title n_family$$
-			$this->replacements =& $replacements;
-			$content = preg_replace_callback('/\$\$LETTERPREFIXCUSTOM ([#0-9a-z_-]+)(.*)\$\$/imU',Array($this,'replace_callback'),$content);
-			unset($this->replacements);
-		}
-		return $content;
-	}
-
-	/**
-	 * Callback for preg_replace to process $$IF
-	 *
-	 * @param array $param
-	 * @return string
-	 */
-	private function replace_callback($param)
-	{
-		if (array_key_exists('$$'.$param[4].'$$',$this->replacements)) $param[4] = $this->replacements['$$'.$param[4].'$$'];
-		if (array_key_exists('$$'.$param[3].'$$',$this->replacements)) $param[3] = $this->replacements['$$'.$param[3].'$$'];
-		
-		$pattern = '/'.preg_quote($param[2], '/').'/';
-		if (strpos($param[0],'$$IF') === 0 && (trim($param[2]) == "EMPTY" || $param[2] === ''))
-		{
-			$pattern = '/^$/';
-		}
-		$replace = preg_match($pattern,$this->replacements['$$'.$param[1].'$$']) ? $param[3] : $param[4];
-		switch($this->mimetype)
-		{
-			case 'application/vnd.oasis.opendocument.text':		// open office
-			case 'application/vnd.oasis.opendocument.spreadsheet':
-			case 'application/vnd.openxmlformats-officedocument.wordprocessingml.document':	// ms office 2007
-			case 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet':
-			case 'application/xml':
-			case 'text/xml':
-			case 'text/html':
-				$is_xml = true;
-				break;
-		}
-
-		switch($this->mimetype)
-			{
-				case 'application/rtf':
-				case 'text/rtf':
-					$LF = '}\par \pard\plain{';
-					break;
-				case 'application/vnd.oasis.opendocument.text':
-					$LF ='<text:line-break/>';
-					break;
-				case 'application/vnd.oasis.opendocument.spreadsheet':		// open office calc
-					$LF = '</text:p><text:p>';
-					break;
-				case 'application/xmlExcel.Sheet':	// Excel 2003
-					$LF = '&#10;';
-					break;
-				case 'application/vnd.openxmlformats-officedocument.wordprocessingml.document':
-				case 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet':
-					$LF ='</w:t></w:r></w:p><w:p><w:r><w:t>';
-					break;
-				case 'application/xml';
-					$LF ='</w:t></w:r><w:r><w:br w:type="text-wrapping" w:clear="all"/></w:r><w:r><w:t>';
-					break;
-				default:
-					$LF = "\n";
-			}
-		if($is_xml) {
-			$this->replacements = str_replace(array('&','&amp;amp;','<','>',"\r","\n"),array('&amp;','&amp;','&lt;','&gt;','',$LF),$this->replacements);
-		}
-		if (strpos($param[0],'$$NELF') === 0)
-		{	//sets a Pagebreak and value, only if the field has a value
-			if ($this->replacements['$$'.$param[1].'$$'] !='') $replace = $LF.$this->replacements['$$'.$param[1].'$$'];
-		}
-		if (strpos($param[0],'$$NENVLF') === 0)
-		{	//sets a Pagebreak without any value, only if the field has a value
-			if ($this->replacements['$$'.$param[1].'$$'] !='') $replace = $LF;
-		}
-		if (strpos($param[0],'$$LETTERPREFIXCUSTOM') === 0)
-		{	//sets a Letterprefix
-			$replaceprefixsort = array();
-			// ToDo Stefan: $contentstart is NOT defined here!!!
-			$replaceprefix = explode(' ',substr($param[0],21,-2));
-			foreach ($replaceprefix as $key => $nameprefix)
-			{
-				if ($this->replacements['$$'.$nameprefix.'$$'] !='') $replaceprefixsort[] = $this->replacements['$$'.$nameprefix.'$$'];
-			}
-			$replace = implode($replaceprefixsort,' ');
-		}
-		return $replace;
-	}
-
-	/**
-	 * Download document merged with contact(s)
-	 *
-	 * @param string $document vfs-path of document
-	 * @param array $ids array with contact id(s)
-	 * @param string $name='' name to use for downloaded document
-	 * @param string $dirs comma or whitespace separated directories, used if $document is a relative path
-	 * @return string with error-message on error, otherwise it does NOT return
-	 */
-	public function download($document, $ids, $name='', $dirs='')
-	{
-		//error_log(__METHOD__."('$document', ".array2string($ids).", '$name', dirs='$dirs') ->".function_backtrace());
-		if (($error = $this->check_document($document, $dirs)))
-		{
-			return $error;
-		}
-		$content_url = egw_vfs::PREFIX.$document;
-		switch (($mimetype = egw_vfs::mime_content_type($document)))
-		{
-			case 'message/rfc822':
-				//error_log(__METHOD__."('$document', ".array2string($ids).", '$name', dirs='$dirs')=>$content_url ->".function_backtrace());
-				$mail_bo = mail_bo::getInstance();
-				$mail_bo->openConnection();
-				try
-				{
-					$msgs = $mail_bo->importMessageToMergeAndSend($this, $content_url, $ids, $_folder='', $importID='');
-				}
-				catch (egw_exception_wrong_userinput $e)
-				{
-					// if this returns with an exeption, something failed big time
-					return $e->getMessage();
-				}
-				//error_log(__METHOD__.__LINE__.' Message after importMessageToMergeAndSend:'.array2string($msgs));
-				$retString = '';
-				if (count($msgs['success'])>0) $retString .= count($msgs['success']).' '.(count($msgs['success'])+count($msgs['failed'])==1?lang('Message prepared for sending.'):lang('Message(s) send ok.'));//implode('<br />',$msgs['success']);
-				//if (strlen($retString)>0) $retString .= '<br />';
-				foreach($msgs['failed'] as $c =>$e)
-				{
-					$errorString .= lang('contact').' '.lang('id').':'.$c.'->'.$e.'.';
-				}
-				if (count($msgs['failed'])>0) $retString .= count($msgs['failed']).' '.lang('Message(s) send failed!').'=>'.$errorString;
-				return $retString;
-				break;
-			case 'application/vnd.oasis.opendocument.text':
-			case 'application/vnd.oasis.opendocument.spreadsheet':
-				$ext = $mimetype == 'application/vnd.oasis.opendocument.text' ? '.odt' : '.ods';
-				$archive = tempnam($GLOBALS['egw_info']['server']['temp_dir'], basename($document,$ext).'-').$ext;
-				copy($content_url,$archive);
-				$content_url = 'zip://'.$archive.'#'.($content_file = 'content.xml');
-				break;
-			case 'application/vnd.openxmlformats-officedocument.wordprocessingml.d':	// mimetypes in vfs are limited to 64 chars
-				$mimetype = 'application/vnd.openxmlformats-officedocument.wordprocessingml.document';
-			case 'application/vnd.openxmlformats-officedocument.wordprocessingml.document':
-				$archive = tempnam($GLOBALS['egw_info']['server']['temp_dir'], basename($document,'.docx').'-').'.docx';
-				copy($content_url,$archive);
-				$content_url = 'zip://'.$archive.'#'.($content_file = 'word/document.xml');
-				$fix = array(		// regular expression to fix garbled placeholders
-					'/'.preg_quote('$$</w:t></w:r><w:proofErr w:type="spellStart"/><w:r><w:t>','/').'([a-z0-9_]+)'.
-						preg_quote('</w:t></w:r><w:proofErr w:type="spellEnd"/><w:r><w:t>','/').'/i' => '$$\\1$$',
-					'/'.preg_quote('$$</w:t></w:r><w:proofErr w:type="spellStart"/><w:r><w:rPr><w:lang w:val="','/').
-						'([a-z]{2}-[A-Z]{2})'.preg_quote('"/></w:rPr><w:t>','/').'([a-z0-9_]+)'.
-						preg_quote('</w:t></w:r><w:proofErr w:type="spellEnd"/><w:r><w:rPr><w:lang w:val="','/').
-						'([a-z]{2}-[A-Z]{2})'.preg_quote('"/></w:rPr><w:t>$$','/').'/i' => '$$\\2$$',
-					'/'.preg_quote('$</w:t></w:r><w:proofErr w:type="spellStart"/><w:r><w:t>','/').'([a-z0-9_]+)'.
-						preg_quote('</w:t></w:r><w:proofErr w:type="spellEnd"/><w:r><w:t>','/').'/i' => '$\\1$',
-					'/'.preg_quote('$ $</w:t></w:r><w:proofErr w:type="spellStart"/><w:r><w:t>','/').'([a-z0-9_]+)'.
-						preg_quote('</w:t></w:r><w:proofErr w:type="spellEnd"/><w:r><w:t>','/').'/i' => '$ $\\1$ $',
-				);
-				break;
-			case 'application/xml':
-				$fix = array(	// hack to get Excel 2003 to display additional rows in tables
-					'/ss:ExpandedRowCount="\d+"/' => 'ss:ExpandedRowCount="9999"',
-				);
-				break;
-			case 'application/vnd.openxmlformats-officedocument.spreadsheetml.shee':
-				$mimetype = 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet';
-			case 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet':
-				$fix = array(	// hack to get Excel 2007 to display additional rows in tables
-					'/ss:ExpandedRowCount="\d+"/' => 'ss:ExpandedRowCount="9999"',
-				);
-				$archive = tempnam($GLOBALS['egw_info']['server']['temp_dir'], basename($document,'.xlsx').'-').'.xlsx';
-				copy($content_url,$archive);
-				$content_url = 'zip://'.$archive.'#'.($content_file = 'xl/sharedStrings.xml');
-				break;
-		}
-		if (!($merged =& $this->merge($content_url,$ids,$err,$mimetype,$fix)))
-		{
-			//error_log(__METHOD__."() !this->merge() err=$err");
-			return $err;
-		}
-		// Apply HTML formatting to target document, if possible
-		// check if we can use the XSL extension, to not give a fatal error and rendering whole merge-print non-functional
-		if (class_exists(XSLTProcessor) && class_exists(DOMDocument) && $this->parse_html_styles)
-		{
-			try
-			{
-				$this->apply_styles($merged, $mimetype);
-			}
-			catch (Exception $e)
-			{
-				// Error converting HTML styles over
-				error_log($e->getMessage());
-				error_log("Target document: $content_url, IDs: ". array2string($ids));
-
-				// Try again, but strip HTML so user gets something
-				$this->parse_html_styles = false;
-				if (!($merged =& $this->merge($content_url,$ids,$err,$mimetype,$fix)))
-				{
-					return $err;
-				}
-			}
-			if ($this->report_memory_usage) error_log(__METHOD__."() after HTML processing ".egw_vfs::hsize(memory_get_peak_usage(true)));
-		}
-		if(!empty($name))
-		{
-			if(empty($ext))
-			{
-				$ext = '.'.pathinfo($document,PATHINFO_EXTENSION);
-			}
-			$name .= $ext;
-		}
-		else
-		{
-			$name = basename($document);
-		}
-		if (isset($archive))
-		{
-			$zip = new ZipArchive;
-			if ($zip->open($archive,ZIPARCHIVE::CHECKCONS) !== true)
-			{
-				error_log(__METHOD__.__LINE__." !ZipArchive::open('$archive',ZIPARCHIVE::CHECKCONS) failed. Trying open without validating");
-				if ($zip->open($archive) !== true) throw new Exception("!ZipArchive::open('$archive',|ZIPARCHIVE::CHECKCONS)");
-			}
-			if ($zip->addFromString($content_file,$merged) !== true) throw new Exception("!ZipArchive::addFromString('$content_file',\$merged)");
-			if ($zip->close() !== true) throw new Exception("!ZipArchive::close()");
-			unset($zip);
-			unset($merged);
-			if (substr($mimetype,0,35) == 'application/vnd.oasis.opendocument.' && 			// only open office archives need that, ms word files brake
-				file_exists('/usr/bin/zip') && version_compare(PHP_VERSION,'5.3.1','<'))	// fix broken zip archives generated by current php
-			{
-				exec('/usr/bin/zip -F '.escapeshellarg($archive));
-			}
-			if ($this->report_memory_usage) error_log(__METHOD__."() after ZIP processing ".egw_vfs::hsize(memory_get_peak_usage(true)));
-			html::content_header($name,$mimetype,filesize($archive));
-			readfile($archive,'r');
-		}
-		else
-		{
-			if ($mimetype == 'application/xml')
-			{
-				if (strpos($merged,'<?mso-application progid="Word.Document"?>') !== false)
-				{
-					$mimetype = 'application/msword';	// to open it automatically in word or oowriter
-				}
-				elseif (strpos($merged,'<?mso-application progid="Excel.Sheet"?>') !== false)
-				{
-					$mimetype = 'application/vnd.ms-excel';	// to open it automatically in excel or oocalc
-				}
-			}
-			html::content_header($name,$mimetype);
-			echo $merged;
-		}
-		common::egw_exit();
-	}
-
-	/**
-	 * Download document merged with contact(s)
-	 * frontend for HTTP POST requests
-	 * accepts POST vars and calls internal function download()
-	 *   string data_document_name: the document name
-	 *   string data_document_dir: the document vfs directory
-	 *   string data_checked: contact id(s) to merge with (can be comma separated)
-	 *
-	 * @return string with error-message on error, otherwise it does NOT return
-	 */
-	public function download_by_request()
-	{
-		if(empty($_POST['data_document_name'])) return false;
-		if(empty($_POST['data_document_dir'])) return false;
-		if(empty($_POST['data_checked'])) return false;
-
-		return $this->download(
-			$_POST['data_document_name'],
-			explode(',',$_POST['data_checked']),
-			'',
-			$_POST['data_document_dir']
-		);
-	}
-
-	/**
-	 * Get a list of document actions / files from the given directory
-	 *
-	 * @param string $dirs Directory(s comma or space separated) to search
-	 * @param string $prefix='document_' prefix for array keys
-	 * @param array|string $mime_filter=null allowed mime type(s), default all, negative filter if $mime_filter[0] === '!'
-	 * @return array List of documents, suitable for a selectbox.  The key is document_<filename>.
-	 */
-	public static function get_documents($dirs, $prefix='document_', $mime_filter=null, $app='')
-	{
-		$export_limit=self::getExportLimit($app);
-		if (!$dirs || (!self::hasExportLimit($export_limit,'ISALLOWED') && !self::is_export_limit_excepted())) return array();
-
-		// split multiple comma or whitespace separated directories
-		// to still allow space or comma in dirnames, we also use the trailing slash of all pathes to split
-		if (count($dirs = preg_split('/[,\s]+\//', $dirs)) > 1)
-		{
-			foreach($dirs as $n => &$d) if ($n) $d = '/'.$d;	// re-adding trailing slash removed by split
-		}
-		if ($mime_filter && ($negativ_filter = $mime_filter[0] === '!'))
-		{
-			if (is_array($mime_filter))
-			{
-				unset($mime_filter[0]);
-			}
-			else
-			{
-				$mime_filter = substr($mime_filter, 1);
-			}
-		}
-		$list = array();
-		foreach($dirs as $dir)
-		{
-			if (($files = egw_vfs::find($dir,array('need_mime'=>true),true)))
-			{
-				foreach($files as $file)
-				{
-					// return only the mime-types we support
-					$parts = explode('.',$file['name']);
-					if (!self::is_implemented($file['mime'],'.'.array_pop($parts))) continue;
-					if ($mime_filter && $negativ_filter === in_array($file['mime'], (array)$mime_filter)) continue;
-					$list[$prefix.$file['name']] = egw_vfs::decodePath($file['name']);
-				}
-			}
-		}
-		return $list;
-	}
-
-	/**
-	 * From this number of documents, show them in submenus by mime type
-	 */
-	const SHOW_DOCS_BY_MIME_LIMIT = 10;
-
-	/**
-	 * Get insert-in-document action with optional default document on top
-	 *
-	 * If more than SHOW_DOCS_BY_MIME_LIMIT=10 documents found, they are displayed in submenus by mime type.
-	 *
-	 * @param string $dirs Directory(s comma or space separated) to search
-	 * @param int $group see nextmatch_widget::egw_actions
-	 * @param string $caption='Insert in document'
-	 * @param string $prefix='document_'
-	 * @param string $default_doc='' full path to default document to show on top with action == 'document'!
-	 * @param int|string $export_limit=null export-limit, default $GLOBALS['egw_info']['server']['export_limit']
-	 * @return array see nextmatch_widget::egw_actions
-	 */
-	public static function document_action($dirs, $group=0, $caption='Insert in document', $prefix='document_', $default_doc='',
-		$export_limit=null)
-	{
-		$documents = array();
-		if ($export_limit == null) $export_limit = self::getExportLimit(); // check if there is a globalsetting
-		if ($default_doc && ($file = egw_vfs::stat($default_doc)))	// put default document on top
-		{
-			if(!$file['mime'])
-			{
-				$file['mime'] = egw_vfs::mime_content_type($default_doc);
-				$file['path'] = $default_doc;
-			}
-			$documents['document'] = array(
-				'icon' => egw_vfs::mime_icon($file['mime']),
-				'caption' => egw_vfs::decodePath(egw_vfs::basename($default_doc)),
-				'group' => 1,
-				'postSubmit' => true,	// download needs post submit (not Ajax) to work
-			);
-			if ($file['mime'] == 'message/rfc822')
-			{
-				self::document_mail_action($documents['document'], $file);
-			}
-		}
-
-		$files = array();
-		if ($dirs)
-		{
-			// split multiple comma or whitespace separated directories
-			// to still allow space or comma in dirnames, we also use the trailing slash of all pathes to split
-			if (count($dirs = preg_split('/[,\s]+\//', $dirs)) > 1)
-			{
-				foreach($dirs as $n => &$d) if ($n) $d = '/'.$d;	// re-adding trailing slash removed by split
-			}
-			foreach($dirs as $dir)
-			{
-				$files += egw_vfs::find($dir,array(
-					'need_mime' => true,
-					'order' => 'fs_name',
-					'sort' => 'ASC',
-				),true);
-			}
-		}
-
-		$dircount = array();
-		foreach($files as $key => $file)
-		{
-			// use only the mime-types we support
-			$parts = explode('.',$file['name']);
-			if (!self::is_implemented($file['mime'],'.'.array_pop($parts)) ||
-				!egw_vfs::check_access($file['path'], egw_vfs::READABLE, $file) ||	// remove files not readable by user
-				$file['path'] === $default_doc)	// default doc already added
-			{
-				unset($files[$key]);
-			}
-			else
-			{
-				$dirname = egw_vfs::dirname($file['path']);
-				if(!isset($dircount[$dirname]))
-				{
-					$dircount[$dirname] = 1;
-				}
-				else
-				{
-					$dircount[$dirname] ++;
-				}
-			}
-		}
-		foreach($files as $file)
-		{
-			if (count($dircount) > 1)
-			{
-				$name_arr = explode('/', $file['name']);
-				$current_level = &$documents;
-				for($count = 0; $count < count($name_arr); $count++)
-				{
-					if($count == 0)
-					{
-						$current_level = &$documents;
-					}
-					else
-					{
-						$current_level = &$current_level[$prefix.$name_arr[($count-1)]]['children'];
-					}
-					switch($count)
-					{
-						case (count($name_arr)-1):
-							$current_level[$prefix.$file['name']] = array(
-								'icon'		=> egw_vfs::mime_icon($file['mime']),
-								'caption'	=> egw_vfs::decodePath($name_arr[$count]),
-								'group'		=> 2,
-								'postSubmit' => true,	// download needs post submit (not Ajax) to work
-							);
-							if ($file['mime'] == 'message/rfc822')
-							{
-								self::document_mail_action($current_level[$prefix.$file['name']], $file);
-							}
-							break;
-
-						default:
-							if(!is_array($current_level[$prefix.$name_arr[$count]]))
-							{
-								// create parent folder
-								$current_level[$prefix.$name_arr[$count]] = array(
-									'icon'		=> 'phpgwapi/foldertree_folder',
-									'caption'	=> egw_vfs::decodePath($name_arr[$count]),
-									'group'		=> 2,
-									'children'	=> array(),
-								);
-							}
-							break;
-					}
-				}
-			}
-			else if (count($files) >= self::SHOW_DOCS_BY_MIME_LIMIT)
-			{
-				if (!isset($documents[$file['mime']]))
-				{
-					$documents[$file['mime']] = array(
-						'icon' => egw_vfs::mime_icon($file['mime']),
-						'caption' => mime_magic::mime2label($file['mime']),
-						'group' => 2,
-						'children' => array(),
-					);
-				}
-				$documents[$file['mime']]['children'][$prefix.$file['name']] = array(
-					'caption' => egw_vfs::decodePath($file['name']),
-					'postSubmit' => true,	// download needs post submit (not Ajax) to work
-				);
-				if ($file['mime'] == 'message/rfc822')
-				{
-					self::document_mail_action($documents[$file['mime']]['children'][$prefix.$file['name']], $file);
-				}
-			}
-			else
-			{
-				$documents[$prefix.$file['name']] = array(
-					'icon' => egw_vfs::mime_icon($file['mime']),
-					'caption' => egw_vfs::decodePath($file['name']),
-					'group' => 2,
-					'postSubmit' => true,	// download needs post submit (not Ajax) to work
-				);
-				if ($file['mime'] == 'message/rfc822')
-				{
-					self::document_mail_action($documents[$prefix.$file['name']], $file);
-				}
-			}
-		}
-
-		return array(
-			'icon' => 'etemplate/merge',
-			'caption' => $caption,
-			'children' => $documents,
-			// disable action if no document or export completly forbidden for non-admins
-			'enabled' => (boolean)$documents && (self::hasExportLimit($export_limit,'ISALLOWED') || self::is_export_limit_excepted()),
-			'hideOnDisabled' => true,	// do not show 'Insert in document', if no documents defined or no export allowed
-			'group' => $group,
-		);
-	}
-
-	/**
-	 * Set up a document action for an eml (email) document
-	 *
-	 * Email (.eml) documents get special action handling.  They don't send a file
-	 * back to the client like the other documents.  Merging for a single selected
-	 * contact opens a compose window, multiple contacts just sends.
-	 *
-	 * @param Array &$action Action to be modified for mail
-	 * @param Array $file Array of information about the document from egw_vfs::find
-	 * @return void
-	 */
-	private static function document_mail_action(Array &$action, $file)
-	{
-		unset($action['postSubmit']);
-
-		// Lots takes a while, confirm
-		$action['confirm_multiple'] = lang('Do you want to send the message to all selected entries, WITHOUT further editing?');
-
-		// These parameters trigger compose + merge - only if 1 row
-		$extra = array(
-			'from=merge',
-			'document='.$file['path'],
-			'merge='.get_called_class()
-		);
-
-		// egw.open() used if only 1 row selected
-		$action['egw_open'] = 'edit-mail--'.implode('&',$extra);
-		$action['target'] = 'compose_' .$file['path'];
-
-		// long_task runs menuaction once for each selected row
-		$action['nm_action'] = 'long_task';
-		$action['popup'] = egw_link::get_registry('mail', 'edit_popup');
-		$action['message'] = lang('insert in %1',egw_vfs::decodePath($file['name']));
-		$action['menuaction'] = 'mail.mail_compose.ajax_merge&document='.$file['path'].'&merge='. get_called_class();
-	}
-
-	/**
-	 * Check if given document (relative path from document_actions()) exists in one of the given dirs
-	 *
-	 * @param string &$document maybe relative path of document, on return true absolute path to existing document
-	 * @param string $dirs comma or whitespace separated directories
-	 * @return string|boolean false if document exists, otherwise string with error-message
-	 */
-	public static function check_document(&$document, $dirs)
-	{
-		if($document[0] !== '/')
-		{
-			// split multiple comma or whitespace separated directories
-			// to still allow space or comma in dirnames, we also use the trailing slash of all pathes to split
-			if ($dirs && ($dirs = preg_split('/[,\s]+\//', $dirs)))
-			{
-				foreach($dirs as $n => $dir)
-				{
-					if ($n) $dir = '/'.$dir;	// re-adding trailing slash removed by split
-					if (egw_vfs::stat($dir.'/'.$document) && egw_vfs::is_readable($dir.'/'.$document))
-					{
-						$document = $dir.'/'.$document;
-						return false;
-					}
-				}
-			}
-		}
-		elseif (egw_vfs::stat($document) && egw_vfs::is_readable($document))
-		{
-			return false;
-		}
-		//error_log(__METHOD__."('$document', dirs='$dirs') returning 'Document '$document' does not exist or is not readable for you!'");
-		return lang("Document '%1' does not exist or is not readable for you!",$document);
-	}
-
-	/**
-	 * Get a list of supported extentions
-	 */
-	public static function get_file_extensions()
-	{
-		return array('txt', 'rtf', 'odt', 'ods', 'docx', 'xml', 'eml');
-	}
-
-	/**
-	 * Format a number according to user prefs with decimal and thousands separator
-	 *
-	 * Reimplemented from etemplate to NOT use user prefs for Excel 2003, which gives an xml error
-	 *
-	 * @param int|float|string $number
-	 * @param int $num_decimal_places=2
-	 * @param string $_mimetype=''
-	 * @return string
-	 */
-	static public function number_format($number,$num_decimal_places=2,$_mimetype='')
-	{
-		if ((string)$number === '') return '';
-		//error_log(__METHOD__.$_mimetype);
-		switch($_mimetype)
-		{
-			case 'application/xml':	// Excel 2003
-			case 'application/vnd.oasis.opendocument.spreadsheet': // OO.o spreadsheet
-				return number_format(str_replace(' ','',$number),$num_decimal_places,'.','');
-		}
-		return etemplate::number_format($number,$num_decimal_places);
-	}
-}
+abstract class bo_merge extends Merge {}
\ No newline at end of file