Use GUC lexer for recovery.conf parsing.

This eliminates some crufty, special-purpose code and, as a non-trivial
side benefit, allows recovery.conf parameters to be unquoted.

Dimitri Fontaine, with review and cleanup by Alvaro Herrera, Itagaki
Takahiro, and me.

Branch
------
master

Details
-------
http://git.postgresql.org/gitweb?p=postgresql.git;a=commitdiff;h=970a18687f9b3058e89d5994a8fbf70888e79548

Modified Files
--------------
src/backend/access/transam/xlog.c |  186 ++++++++-----------------------------
src/backend/utils/misc/guc-file.l |  135 +++++++++++++++------------
src/backend/utils/misc/guc.c      |    2 +-
src/include/utils/guc.h           |   21 ++++
4 files changed, 135 insertions(+), 209 deletions(-)

pgsql-committers by date

Next:	From: Robert Haas	Date: 2010-12-03 14:00:53
	Subject: pgsql: Remove now-outdated mention of quotes being required inrecovery
Previous:	From: Heikki Linnakangas	Date: 2010-12-03 13:01:25
	Subject: pgsql: Remove misleading comments. Move _Clone and _DeClone functionsb