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(define-mail-alias): Avoid error if DEFINITION is "".

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This commit is contained in:
Richard M. Stallman 1994-08-09 05:52:47 +00:00
parent bd21cb17b7
commit cc4b6c0239
1 changed files with 4 additions and 3 deletions
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3
lisp/mail/mailalias.el
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@ -178,7 +178,8 @@ An address can contain spaces if it is quoted with double-quotes."
(if (string-match "[ \t\n,]+\\'" definition) (if (string-match "[ \t\n,]+\\'" definition)
(setq definition (substring definition 0 (match-beginning 0)))) (setq definition (substring definition 0 (match-beginning 0))))
(let ((result '()) (let ((result '())
(start 0) ;; If DEFINITION is null string, avoid looping even once.
(start (and (not (equal definition "")) 0))
(L (length definition)) (L (length definition))
end tem) end tem)
(while start (while start