Log Message:
-----------
Advance the minimum required version of "flex" from 2.5.4 to 2.5.31, and
update documentation accordingly. This is required in order to have support
for a reentrant scanner. I'm committing this bit separately in order to have
an easy reference if we later decide to make the minimum something different
(like 2.5.33).
Modified Files:
--------------
pgsql/config:
programs.m4 (r1.24 -> r1.25)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/config/programs.m4?r1=1.24&r2=1.25)
pgsql:
configure (r1.646 -> r1.647)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/configure?r1=1.646&r2=1.647)
pgsql/doc/src/sgml:
install-win32.sgml (r1.52 -> r1.53)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/install-win32.sgml?r1=1.52&r2=1.53)
installation.sgml (r1.325 -> r1.326)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/installation.sgml?r1=1.325&r2=1.326)