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authorLars Ingebrigtsen <larsi@gnus.org>2016-04-29 18:22:58 +0200
committerLars Ingebrigtsen <larsi@gnus.org>2016-04-29 18:22:58 +0200
commit1a3a1f709d43836772bc0a84fa67694ff8123df5 (patch)
tree36886f4f0a347318934a9a8e384800e71d3edaf6 /lisp/apropos.el
parent35fb7897f161d5e5a87e039dc1e427094640b0c8 (diff)
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Add a sanity check to apropos-documentation-internal
* lisp/apropos.el (apropos-documentation-internal): Add a sanity check to be less fragile in the presence of invalid data (bug#16725).
Diffstat (limited to 'lisp/apropos.el')
-rw-r--r--lisp/apropos.el30
1 files changed, 17 insertions, 13 deletions
diff --git a/lisp/apropos.el b/lisp/apropos.el
index eb145bdc571..6009f30f7a8 100644
--- a/lisp/apropos.el
+++ b/lisp/apropos.el
@@ -867,19 +867,23 @@ Returns list of symbols and documentation found."
symbol)))))
(defun apropos-documentation-internal (doc)
- (if (consp doc)
- (apropos-documentation-check-elc-file (car doc))
- (if (and doc
- (string-match apropos-all-words-regexp doc)
- (apropos-true-hit-doc doc))
- (when apropos-match-face
- (setq doc (substitute-command-keys (copy-sequence doc)))
- (if (or (string-match apropos-pattern-quoted doc)
- (string-match apropos-all-words-regexp doc))
- (put-text-property (match-beginning 0)
- (match-end 0)
- 'face apropos-match-face doc))
- doc))))
+ (cond
+ ((consp doc)
+ (apropos-documentation-check-elc-file (car doc)))
+ ((and doc
+ ;; Sanity check in case bad data has snuck into the
+ ;; documentation slot.
+ (stringp doc)
+ (string-match apropos-all-words-regexp doc)
+ (apropos-true-hit-doc doc))
+ (when apropos-match-face
+ (setq doc (substitute-command-keys (copy-sequence doc)))
+ (if (or (string-match apropos-pattern-quoted doc)
+ (string-match apropos-all-words-regexp doc))
+ (put-text-property (match-beginning 0)
+ (match-end 0)
+ 'face apropos-match-face doc))
+ doc))))
(defun apropos-format-plist (pl sep &optional compare)
(setq pl (symbol-plist pl))