--- a/Plugins/VcsPlugins/vcsPySvn/SvnDiffDialog.py	Fri Jun 23 18:46:40 2017 +0200
+++ b/Plugins/VcsPlugins/vcsPySvn/SvnDiffDialog.py	Sat Jun 24 12:15:03 2017 +0200
@@ -146,6 +146,7 @@
         self.filename = fn
         
         self.contents.clear()
+        self.highlighter.regenerateRules()
         self.paras = 0
         
         self.filesCombo.clear()