--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/QScintilla/Lexers/LexerDiff.py	Mon Dec 28 16:03:33 2009 +0000
@@ -0,0 +1,41 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2005 - 2009 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a Diff lexer with some additional methods.
+"""
+
+from PyQt4.Qsci import QsciLexerDiff
+
+from Lexer import Lexer
+
+class LexerDiff(QsciLexerDiff, Lexer):
+    """ 
+    Subclass to implement some additional lexer dependant methods.
+    """
+    def __init__(self, parent=None):
+        """
+        Constructor
+        
+        @param parent parent widget of this lexer
+        """
+        QsciLexerDiff.__init__(self, parent)
+        Lexer.__init__(self)
+    
+    def isCommentStyle(self, style):
+        """
+        Public method to check, if a style is a comment style.
+        
+        @return flag indicating a comment style (boolean)
+        """
+        return style in [LexerDiff.Comment]
+    
+    def isStringStyle(self, style):
+        """
+        Public method to check, if a style is a string style.
+        
+        @return flag indicating a string style (boolean)
+        """
+        return False