change display:client section into {rule=>regexps}

README.markdown

@@ -206,9 +206,12 @@ persisted across multiple instances of the wmiirc.
 
         * **rule:** The wmii "colrules" setting.
 
-    * **client:** Settings for clients handled by wmii.
+    * **client:** Settings for clients handled by wmii.  See the documentation
+      for the underlying wmii "rules" setting for more information.
 
-        * **rule:** The wmii "rules" setting.
+        * **_rule to apply_:** Array of strings that represent regular
+          expressions to match against a string containing a newly created
+          client's WM_CLASS and WM_NAME attributes separated by a colon (:).
 
     * **refresh:** Refresh rate for status bar applets (measured in seconds).
 

lib/wmiirc/config.rb

@@ -58,7 +58,8 @@ def display
     begin
       Rumai.fs.ctl.write settings.map {|pair| pair.join(' ') }.join("\n")
       Rumai.fs.colrules.write self['display']['column']['rule']
-      Rumai.fs.rules.write self['display']['client']['rule']
+      Rumai.fs.rules.write self['display']['client'].
+        map {|rule, regexps| "/#{regexps.join('|')}/ #{rule}" }.join("\n")
     rescue Rumai::IXP::Error => error
       #
       # settings that are not supported in a particular wmii version

schema.yaml

@@ -140,9 +140,12 @@ mapping:
         type: map
         required: true
         mapping:
-          'rule':
-            type: str
+          =:
+            type: seq
             required: true
+            sequence:
+              - type: str
+                required: true
       'status':
         type: seq
         required: false