diff -ur coder.orig/includes/coder_style.inc coder/includes/coder_style.inc
--- coder.orig/includes/coder_style.inc	2008-07-14 15:36:29.000000000 +0200
+++ coder/includes/coder_style.inc	2008-08-08 22:39:54.000000000 +0200
@@ -89,8 +89,9 @@
     ),
     array(
       '#type' => 'regex',
-      '#value' => '(?-i)(function\s+|\$)(([a-z]+[A-Z]+([a-z]*[A-Z]*)*)|([A-Z]+[a-z]+([A-Z]*[a-z]*)*))',
-      '#warning' => 'do not use mixed case (camelCase), use lower case and _',
+      '#value' => '(?-i)(\w*\s*function\s+|\$)(([a-z]+[A-Z]+([a-z]*[A-Z]*)*)|([A-Z]+[a-z]+([A-Z]*[a-z]*)*))',
+      '#not' => '^(public|protected|private)\s+function\s+$',
+      '#warning' => 'do not use mixed case (camelCase), use _ and lower case. Exception: class methods which must explicitly be declared public)',
     ),
     array(
       '#type' => 'regex',