--- a/documentViewer.py	Tue Aug 24 15:15:59 2010 +0200
+++ b/documentViewer.py	Tue Aug 24 15:27:07 2010 +0200
@@ -226,7 +226,7 @@
         return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode)
   
     security.declareProtected('View','index_html')
-    def index_html(self,url,mode="texttool",viewMode="auto",tocMode="thumbs",start=None,pn=1,mk=None, query=None, querySearch=None, characterNormalization=None):
+    def index_html(self,url,mode="texttool",viewMode="auto",tocMode="thumbs",start=None,pn=1,mk=None, query=None, querySearch=None, characterNormalization=""):
         '''
         view it
         @param mode: defines how to access the document behind url 
@@ -259,7 +259,7 @@
             else:
                 viewMode="images"
                 
-        pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo,viewMode=viewMode,tocMode=tocMode,characterNormalization=characterNormalization)
+        pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo,viewMode=viewMode,tocMode=tocMode)
         
         pt = getattr(self.template, 'viewer_main')               
         return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode,mk=self.generateMarks(mk))
@@ -678,7 +678,7 @@
         self.REQUEST.SESSION['docinfo'] = docinfo
         return docinfo
                
-    def getPageinfo(self, current, start=None, rows=None, cols=None, docinfo=None, viewMode=None, tocMode=None,characterNormalization=None):
+    def getPageinfo(self, current, start=None, rows=None, cols=None, docinfo=None, viewMode=None, tocMode=None,characterNormalization=""):
         """returns pageinfo with the given parameters"""
         pageinfo = {}
         current = getInt(current)