Log Message:
-----------
Add description for variable-length header:
> One idea is to store the header in network byte order (high bits
> first), and read the high bits to determine the header length.
Modified Files:
--------------
pgsql/doc:
TODO (r1.1976 -> r1.1977)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/TODO.diff?r1=1.1976&r2=1.1977)
pgsql/doc/src/FAQ:
TODO.html (r1.478 -> r1.479)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/TODO.html.diff?r1=1.478&r2=1.479)