Log Message:
-----------
Improve word parser.
- improve file and path recognition
- fix misspeling
- improve tag recognition
Modified Files:
--------------
pgsql/contrib/tsearch2/wordparser:
parser.c (r1.4 -> r1.5)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/wordparser/parser.c.diff?r1=1.4&r2=1.5)
parser.h (r1.6 -> r1.7)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/wordparser/parser.h.diff?r1=1.6&r2=1.7)