[Emacs-diffs] emacs-25 ecaaf90: Revert "Fix rx matcher overflow without limiting"

[Tassilo Horn]

branch: emacs-25
commit ecaaf900e84233d142a656250767544ff34d010a
Author: Tassilo Horn <address@hidden>
Commit: Tassilo Horn <address@hidden>

    Revert "Fix rx matcher overflow without limiting"
    
    This reverts commit fe27e037663d36be3e5741c2ce86ab4ee8017db1.
---
 lisp/textmodes/reftex-vars.el |   12 +-----------
 1 files changed, 1 insertions(+), 11 deletions(-)

diff --git a/lisp/textmodes/reftex-vars.el b/lisp/textmodes/reftex-vars.el
index 9bc1d2d..fcab136 100644
--- a/lisp/textmodes/reftex-vars.el
+++ b/lisp/textmodes/reftex-vars.el
@@ -877,17 +877,7 @@ DOWNCASE    t:   Downcase words before using them."
       "\\\\label{\\(?1:[^}]*\\)}"
       ;; keyvals [..., label = {foo}, ...] forms used by ctable,
       ;; listings, minted, ...
-      ;;
-      ;; If you think the first shy group is a bit strange, it is like
-      ;; that in order not to overflow the regexp matcher stack in the
-      ;; presence of unbalanced brackets, i.e., a [ and then no
-      ;; closing bracket anymore.  In "[^[],]*,", the "*" repetition
-      ;; will be done without any need to record state for eventual
-      ;; backtracking because the "," is mutually exclusive with the
-      ;; "[^][,]", and the regexp matcher includes a special
-      ;; optimization for that case since it's common and very
-      ;; useful).  (Hint by Stefan Monnier)
-      "\\[\\(?:[^][,]*,\\)*[ 
\t]*\\<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