Support combining diacritical characters
Support combining diacritical characters

Without this, combining diacritical characters actually break words,
for instance замо́к would be parsed as замо + к by the indexer.

Tatoeba/tatoeba2,Tatoeba/tatoeba2,Tatoeba/tatoeba2,shashank19gaurav/tatoeba2,shashank19gaurav/tatoeba2,Tatoeba/tatoeba2,shashank19gaurav/tatoeba2,Tatoeba/tatoeba2,shashank19gaurav/tatoeba2