Fixing cases and typos.

examples/bibtex.py

 #-*- coding: utf-8 -*-
 #######################################################################
-# Name: calc.py
+# Name: bibtex.py
 # Purpose: Parser for bibtex files
 # Author: Igor R. Dejanovic <igor DOT dejanovic AT gmail DOT com>
-# Copyright: (c) 2009 Igor R. Dejanovic <igor DOT dejanovic AT gmail DOT com>
+# Copyright: (c) 2013 Igor R. Dejanovic <igor DOT dejanovic AT gmail DOT com>
 # License: MIT License
 #
 # This example demonstrates grammar for bibtex files.
@@ -57,7 +57,7 @@ class FieldSem(SemanticAction):
 
 
 class FieldValueSem(SemanticAction):
-    '''Converts serbian letters form latex encoding to unicode.'''
+    '''Serbian Serbian letters form latex encoding to Unicode.'''
     def first_pass(self, parser, node, nodes):
         return node.value.replace(r"\'{c}", u"ć")\
                     .replace(r"\'{C}", u"Ć")\