Log Message:
-----------
Filter out warnings coming from the stylesheets, so that actual warnings show up properly.
Show some minor progress messages.
Modified Files:
--------------
pgsql/src/tools/msvc:
builddoc.bat (r1.2 -> r1.3)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/tools/msvc/builddoc.bat.diff?r1=1.2&r2=1.3)