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Make bibtex-parse-keys more robust

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* lisp/textmodes/bibtex.el (bibtex-parse-keys): Protect against
bugging out just when starting almost-empty bibtex files
(bug#30112).
This commit is contained in:
Lars Ingebrigtsen
2019-11-17 09:15:20 +01:00
parent 32d1c1fc1f
commit 9ac8901b0a
1 changed files with 3 additions and 0 deletions
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lisp/textmodes/bibtex.el
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@@ -2915,6 +2915,9 @@ for parsing BibTeX keys. If parsing fails, try to set this variable to nil."
(1+ (match-beginning 3)) (1- (match-end 3)))))
(unless (assoc key crossref-keys)
(push (list key) crossref-keys))))
;; We have probably have a non-bibtex file.
((not (match-beginning bibtex-type-in-head))
(throw 'userkey nil))
;; only keys of known entries
((assoc-string (bibtex-type-in-head)
bibtex-entry-alist t)