Fix incorrect markup in documentation of window frame clauses.

Tom Lane <tgl@sss.pgh.pa.us>

Commit: 68a8f26e91a15294024270eb3eed4468dbb307cf
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: 2015-04-01T00:03:42Z
Releases: 9.4.2
Fix incorrect markup in documentation of window frame clauses.

You're required to write either RANGE or ROWS to start a frame clause,
but the documentation incorrectly implied this is optional.  Noted by
David Johnston.

Files

PathChange+/−
doc/src/sgml/ref/select.sgml modified +2 −2
doc/src/sgml/syntax.sgml modified +2 −2