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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 0bd991c31cd1
children ad35a0cd95f5
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--- a/src/ChangeLog	Mon Dec 24 04:16:31 2012 +0900
+++ b/src/ChangeLog	Mon Dec 24 14:12:51 2012 +0900
@@ -1,3 +1,11 @@
+2012-12-24  Stephen J. Turnbull  <stephen@xemacs.org>
+
+	Based on patch by Benson and Steven Mitchell on XEmacs Beta
+	<50D16FF7.4090708@bnin.net>.
+
+	* sequence.c (venn): Fix bug in handling null arguments.
+	Add null set short circuits, conditional on caller is `subsetp'.
+
 2012-10-18  Stephen J. Turnbull  <stephen@xemacs.org>
 
 	* fontcolor-xlike-inc.c (xft_find_charset_font):