Remove the 'edgekeys' attribute

res/xml/bone.xml

@@ -38,8 +38,8 @@
 	<row height="0.95">
 		<key width="1.8" key0="ctrl"						key2="loc meta" 								key4="switch_numeric"/>
 		<key width="1.2" key0="fn"		key1="loc alt"			key2="change_method"	key3="switch_emoji" key4="config"/>
-		<key width="4.0" key0="space"	key1="switch_second"					key2="0" 			edgekeys="true"/>
+		<key width="4.0" key0="space"	key7="switch_second"					key8="0"/>
-		<key width="1.2" 				key1="up"			key2="right" 			key3="left" 		key4="down" edgekeys="true"/>
+		<key width="1.2" key7="up" key6="right" key5="left" key8="down"/>
 		<key width="1.8" key0="enter"												key3="action"/>
 	</row>
 </keyboard>

res/xml/bottom_row.xml

@@ -2,7 +2,7 @@
 <row height="0.95">
   <key width="1.7" key0="ctrl" key1="loc switch_greekmath" key2="loc meta" key4="switch_numeric"/>
   <key width="1.1" key0="fn" key1="loc alt" key2="change_method" key3="switch_emoji" key4="config"/>
-  <key width="4.4" key0="space" key1="switch_second" key3="left" key2="right" edgekeys="true" slider="true"/>
+  <key width="4.4" key0="space" key7="switch_second" key5="left" key6="right" slider="true"/>
-  <key width="1.1" key1="up" key2="right" key3="left" key4="down" edgekeys="true"/>
+  <key width="1.1" key7="up" key6="right" key5="left" key8="down"/>
   <key width="1.7" key0="enter" key2="action"/>
 </row>

res/xml/greekmath.xml

@@ -41,7 +41,7 @@
     <key width="1.2" key0="fn"/>
     <key width="2.8" key0="space" key1="superscript" key3="subscript"/>
     <key width="1.2" key0="0" key2="."/>
-    <key width="1.2" key1="up" key2="right" key3="left" key4="down" edgekeys="true"/>
+    <key width="1.2" key7="up" key6="right" key5="left" key8="down"/>
     <key width="1.2" key0="enter" key1="=" key2="action"/>
   </row>
 </keyboard>

res/xml/neo2.xml

@@ -41,8 +41,8 @@
   <row height="0.95">
 	  <key width="1.8" key0="ctrl" key2="loc meta" key4="switch_numeric"/>
 	  <key width="1.2" key0="fn" key1="loc alt" key2="change_method" key3="switch_emoji" key4="config"/>
-	  <key width="4.0" key0="space" key1="switch_second" edgekeys="true"/>
+	  <key width="4.0" key0="space" key7="switch_second"/>
-	  <key width="1.2" key1="up" key2="right" key3="left" key4="down" edgekeys="true"/>
+	  <key width="1.2" key7="up" key6="right" key5="left" key8="down"/>
 	  <key key0="j" key4=";"/>
 	  <key width="1.8" key0="enter" key2="action"/>
 	</row>

res/xml/numeric.xml

@@ -13,7 +13,7 @@
     <key width="0.75" key0="tab" key2="|" key4="\\"/>
     <key width="0.75" key0=")" key2="]" key4="}"/>
     <key key0="4" key1="box" key3="arrows"/>
-    <key key0="5" key1="up" key2="right" key3="left" key4="down" edgekeys="true"/>
+    <key key0="5" key7="up" key6="right" key5="left" key8="down"/>
     <key key0="6"/>
     <key width="0.75" key0="+" key1="Σ" key2="$"/>
     <key width="0.75" key0="-" key1="^"/>

res/xml/pin.xml

@@ -21,7 +21,7 @@
   <row>
     <key shift="1.0" key0="*" key1="switch_text" key3="switch_numeric"/>
     <key key0="0" key3="+" key4="space"/>
-    <key key0="\#" key1="up" key2="right" key3="left" key4="down" edgekeys="true"/>
+    <key key0="\#" key7="up" key6="right" key5="left" key8="down"/>
     <key key0="enter" key2="action"/>
   </row>
 </keyboard>

srcs/juloo.keyboard2/KeyboardData.java

@@ -319,13 +319,10 @@ class KeyboardData
       ks[8] = Corner.parse_of_attr(parser, "key8");
       float width = attribute_float(parser, "width", 1f);
       float shift = attribute_float(parser, "shift", 0.f);
-      boolean edgekeys = attribute_bool(parser, "edgekeys", false);
       boolean slider = attribute_bool(parser, "slider", false);
       String indication = parser.getAttributeValue(null, "indication");
       while (parser.next() != XmlPullParser.END_TAG)
         continue ;
-      if (edgekeys)
-        ks = rearange_edgekeys(ks);
       return new Key(ks, width, shift, slider, indication);
     }
 
@@ -375,36 +372,6 @@ class KeyboardData
         return false;
       return kv.equals(keys[i].kv);
     }
-
-    /** Transform the key index for edgekeys.
-     *  This option is no longer useful but is used by some layouts.
-     *  1 7 2     5 1 7
-     *  5 0 6  →  3 0 2
-     *  3 8 4     8 4 6
-     */
-    static Corner[] rearange_edgekeys(Corner[] ks)
-    {
-      Corner[] edge_ks = new Corner[ks.length];
-      for (int i = 0; i < ks.length; i++)
-        edge_ks[edgekey_index(i)] = ks[i];
-      return edge_ks;
-    }
-
-    static int edgekey_index(int i)
-    {
-      switch (i)
-      {
-        case 5: return 1;
-        case 1: return 7;
-        case 7: return 2;
-        case 3: return 5;
-        case 2: return 6;
-        case 8: return 3;
-        case 4: return 8;
-        case 6: return 4;
-        default: return i;
-      }
-    }
   }
 
   public static final class Corner