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Update documentation to reflect the fact that '-' is not really an empty parameter

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Signed-off-by: Tom Eastep <teastep@shorewall.net>
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Tom Eastep 2011-07-03 09:21:28 -07:00
parent 584040b413
commit 7266e1bd89
2 changed files with 4 additions and 5 deletions
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4
Shorewall/releasenotes.txt
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@ -65,7 +65,9 @@ VI. PROBLEMS CORRECTED AND NEW FEATURES IN PRIOR RELEASES
Where <def1> is the default value for the first parameter, <def2>
is the default value for the second parameter and so on. To specify
an empty default, use '-'.
an empty default, use '-'. Note that the corresponding parameter
variable ($n) will still expand to '-' but will be treated as empty
by the builtin actions such as dropInvalid.
The DEFAULTS directive also determines the maximum number of
parameters that an action may have. If more parameters are passed

5
docs/Actions.xml
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@ -372,10 +372,7 @@ REDIRECT net - tcp 80 - 1.2.3.4</programlisting>
<para>Example: ACTION(REDIRECT,-,info)</para>
<para>In the above example, $2 would expand to nothing.</para>
<para>If you want to make '-' a parameter value, use '--' (e.g.,
ACTION(REDIRECT,--.info)).</para>
<para>In the above example, $2 would expand to '-'.</para>
<para>Beginning with Shorewall 4.4.21, you can specify the default
values of your FORMAT-2 actions:</para>