Fix incorrect markup in documentation of window frame clauses.

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

Commit: 41d2cb823bd0a826ff1adf419a22ee0f83ad1f30
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: 2015-04-01T00:03:59Z
Releases: 9.1.16
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