[Emacs-diffs] emacs-24 b66511f: Backport regexp stack overflow fix from emacs-24.

[Tassilo Horn]

branch: emacs-24
commit b66511f7680a195c5f56f2275f21e1d571706fba
Author: Leonard Randall <address@hidden>
Date:   Thu Nov 27 09:38:21 2014 +0100

    Backport regexp stack overflow fix from emacs-24.
    
    * textmodes/reftex-parse.el (reftex-using-biblatex-p): Make search
    for comment lines non-greedy and stopping at newlines to fix stack
    overflows with large files. [Backport]
    
    Signed-off-by: Tassilo Horn <address@hidden>
---
 lisp/ChangeLog                 |    6 ++++++
 lisp/textmodes/reftex-parse.el |    2 +-
 2 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index af75f8d..d88ecfe 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,9 @@
+2014-11-27  Leonard Randall  <address@hidden>
+
+       * textmodes/reftex-parse.el (reftex-using-biblatex-p): Make search
+       for comment lines non-greedy and stopping at newlines to fix stack
+       overflows with large files. [Backport]
+
 2014-11-27  Fabián Ezequiel Gallina  <address@hidden>
 
        * progmodes/python.el (python-shell-completion-setup-code): Use
diff --git a/lisp/textmodes/reftex-parse.el b/lisp/textmodes/reftex-parse.el
index 71bec89..a557211 100644
--- a/lisp/textmodes/reftex-parse.el
+++ b/lisp/textmodes/reftex-parse.el
@@ -357,7 +357,7 @@ of master file."
       (member "biblatex" TeX-active-styles)
     ;; poor-man's check...
     (save-excursion
-      (re-search-forward "^[^%]*\\\\usepackage.*{biblatex}" nil t))))
+      (re-search-forward "^[^%\n]*?\\\\usepackage.*{biblatex}" nil t))))
 
 (defun reftex-locate-bibliography-files (master-dir &optional files)
   "Scan buffer for bibliography macros and return file list."