>>>> "Martin" == Martin Stjernholm
<mast(a)lysator.liu.se> writes: 
    Martin> The regexp-opt function sometimes fails on "\n". If I evaluate
    Martin>     (regexp-opt '("\n" "ab" "c"
"d"))
    Martin> I get
    Martin>     "ab\\|[cd]"
Problem confirmed with
(emacs-version)
"XEmacs 21.4 (patch 14) \"Reasonable Discussion\" [Lucid]
(i586-pc-win32) of Sun Sep 14 2003 on D5DC120J"
Adrian
    Martin> but I expect
    Martin>     "ab\\|[\ncd]"
    Martin> Note: This bug does not exist in Emacs 21.
-- 
Adrian Aichner
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http://www.xemacs.org/