ZCTextindex to search and catalog accented words as non accented. - Step 1 Add to Lexicon.py (around line 190) this code, which filters the things in the pipeline: --- class RemoveAccented: def filter_word(self, w): """ filter the non ascii letters to ascii""" # trasformo la stringa w in unicode... parola = unicode(w,'latin-1') xlate={0xc0:'A', 0xc1:'A', 0xc2:'A', 0xc3:'A', 0xc4:'A', 0xc5:'A', 0xc6:'Ae', 0xc7:'C', 0xc8:'E', 0xc9:'E', 0xca:'E', 0xcb:'E', 0xcc:'I', 0xcd:'I', 0xce:'I', 0xcf:'I', 0xd0:'Th', 0xd1:'N', 0xd2:'O', 0xd3:'O', 0xd4:'O', 0xd5:'O', 0xd6:'O', 0xd8:'O', 0xd9:'U', 0xda:'U', 0xdb:'U', 0xdc:'U', 0xdd:'Y', 0xde:'th', 0xdf:'ss', 0xe0:'a', 0xe1:'a', 0xe2:'a', 0xe3:'a', 0xe4:'a', 0xe5:'a', 0xe6:'ae', 0xe7:'c', 0xe8:'e', 0xe9:'e', 0xea:'e', 0xeb:'e', 0xec:'i', 0xed:'i', 0xee:'i', 0xef:'i', 0xf0:'th', 0xf1:'n', 0xf2:'o', 0xf3:'o', 0xf4:'o', 0xf5:'o', 0xf6:'o', 0xf8:'o', 0xf9:'u', 0xfa:'u', 0xfb:'u', 0xfc:'u', 0xfd:'y', 0xfe:'th', 0xff:'y', 0xa1:'!', 0xa2:'{cent}', 0xa3:'{pound}', 0xa4:'{currency}', 0xa5:'{yen}', 0xa6:'|', 0xa7:'{section}', 0xa8:'{umlaut}', 0xa9:'{C}', 0xaa:'{^a}', 0xab:'<<', 0xac:'{not}', 0xad:'-', 0xae:'{R}', 0xaf:'_', 0xb0:'{degrees}', 0xb1:'{+/-}', 0xb2:'{^2}', 0xb3:'{^3}', 0xb4:"'", 0xb5:'{micro}', 0xb6:'{paragraph}', 0xb7:'*', 0xb8:'{cedilla}', 0xb9:'{^1}', 0xba:'{^o}', 0xbb:'>>', 0xbc:'{1/4}', 0xbd:'{1/2}', 0xbe:'{3/4}', 0xbf:'?', 0xd7:'*', 0xf7:'/' } r = '' for i in parola: if xlate.has_key(ord(i)): r += xlate[ord(i)] elif r += str(i) return r def process(self, lst): return [self.filter_word(w) for w in lst] element_factory.registerFactory('Remove Accented', 'Remove Accented', RemoveAccented) --- Step 2 Add the locale support for a latin-1 language, I added -L it_IT to zope start (in 2.7 you have to enable it in etc/zope.conf) Then you can search for "aççented" and find "accented" ;-)