Log Message:
-----------
Add libpq comment about how to determine the format used for passing
binary values.
Add comments to libpq C function for parameter passing.
Modified Files:
--------------
pgsql/doc/src/sgml:
libpq.sgml (r1.258 -> r1.259)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/libpq.sgml?r1=1.258&r2=1.259)
pgsql/src/interfaces/libpq:
fe-exec.c (r1.195 -> r1.196)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/libpq/fe-exec.c?r1=1.195&r2=1.196)