Log Message:
-----------
A couple further reloptions improvements, per KaiGai Kohei: add a validation
function to the string type and add a couple of macros for string handling.
In passing, fix an off-by-one bug of mine.
Modified Files:
--------------
pgsql/src/backend/access/common:
reloptions.c (r1.16 -> r1.17)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/common/reloptions.c?r1=1.16&r2=1.17)
pgsql/src/include/access:
reloptions.h (r1.8 -> r1.9)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/include/access/reloptions.h?r1=1.8&r2=1.9)