Log Message:
-----------
Clarify note about interaction of log_statement logging with errors.
Remove obsolete note about logging of statements generated by plpgsql
function execution ... that doesn't happen anymore.
Modified Files:
--------------
pgsql/doc/src/sgml:
config.sgml (r1.90 -> r1.91)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/config.sgml.diff?r1=1.90&r2=1.91)