Log Message:
-----------
Updated several parts in particular variable handling. This is work that was part of SoC.
Modified Files:
--------------
pgsql/doc/src/sgml:
ecpg.sgml (r1.74 -> r1.75)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ecpg.sgml.diff?r1=1.74&r2=1.75)