NOTE: This patch has been committed. lisp/ChangeLog addition: 2005-11-13 Ben Wing <ben(a)xemacs.org&gt; * help.el (function-arglist): Don't bomb out when fun has no documentation. build source patch: Diff command: bash -ci "cvs-diff --show-c-function -no-changelog " Files affected: lisp/help.el Index: lisp/help.el =================================================================== RCS file: /pack/xemacscvs/XEmacs/xemacs/lisp/help.el,v retrieving revision 1.45 diff -u -p -r1.45 help.el --- lisp/help.el 2005/10/10 02:45:32 1.45 +++ lisp/help.el 2005/11/13 10:52:06 ＠＠ -1186,7 +1186,8 ＠＠ arguments in the standard Lisp style." (nth 1 fndef)) ((subrp fndef) (let* ((doc (documentation function)) - (args (and (string-match + (args (and doc + (string-match "[\n\t ]*\narguments: ?(\\(.*\\))\n?\\'" doc) (match-string 1 doc))))