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[Emacs-diffs] emacs-25 223b3f0: Improve regex to not trigger stack overf
From: |
Tassilo Horn |
Subject: |
[Emacs-diffs] emacs-25 223b3f0: Improve regex to not trigger stack overflow |
Date: |
Sun, 13 Dec 2015 18:43:44 +0000 |
branch: emacs-25
commit 223b3f0d845a6a85124c004e6fe03b4bdc4f1e17
Author: Tassilo Horn <address@hidden>
Commit: Tassilo Horn <address@hidden>
Improve regex to not trigger stack overflow
* lisp/textmodes/reftex-vars.el (reftex-label-regexps): Improve regex in
order not to trigger a stack overflow in regex matcher with unbalanced
brackets (bug#22146).
---
lisp/textmodes/reftex-vars.el | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/lisp/textmodes/reftex-vars.el b/lisp/textmodes/reftex-vars.el
index 5683e62..fcab136 100644
--- a/lisp/textmodes/reftex-vars.el
+++ b/lisp/textmodes/reftex-vars.el
@@ -877,7 +877,7 @@ DOWNCASE t: Downcase words before using them."
"\\\\label{\\(?1:[^}]*\\)}"
;; keyvals [..., label = {foo}, ...] forms used by ctable,
;; listings, minted, ...
- "\\[[^][]*\\<label[[:space:]]*=[[:space:]]*{?\\(?1:[^],}]+\\)}?")
+
"\\[[^][]\\{0,2000\\}\\<label[[:space:]]*=[[:space:]]*{?\\(?1:[^],}]+\\)}?")
"List of regexps matching \\label definitions.
The default value matches usual \\label{...} definitions and
keyval style [..., label = {...}, ...] label definitions. It is
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