diff lisp/isearch-mode.el @ 5700:37479d841681

Fix subsetp based on patch by Benson and Steven Mitchell. Add appropriate short-circuits for null set arguments. Add tests (mostly from Steven Mitchell) to test suite.
author Stephen J. Turnbull <stephen@xemacs.org>
date Mon, 24 Dec 2012 14:12:51 +0900
parents b7ae5f44b950
children 2b8edd304c2b
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