master 2a959a1d: Fix regexp

[Ikumi Keita]

branch: master
commit 2a959a1d43b3f38cf4845b071679a7978e36d95a
Author: Ikumi Keita <ikumi@ikumi.que.jp>
Commit: Ikumi Keita <ikumi@ikumi.que.jp>

    Fix regexp
    
    * tex-fold.el (TeX-fold-expand-spec): Fix regexp to match the
    form (<num>) as described in the doc string.
---
 tex-fold.el | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tex-fold.el b/tex-fold.el
index e3857460..c6e9f1ca 100644
--- a/tex-fold.el
+++ b/tex-fold.el
@@ -749,7 +749,8 @@ Replace them with the respective macro argument."
         (setq spec elt
               index nil)
         ;; Find and expand every placeholder.
-        (while (and (string-match "\\([[{<]\\)\\([1-9]\\)\\([]}>]\\)" elt 
index)
+        (while (and (string-match "\\([[{<(]\\)\\([1-9]\\)\\([]}>)]\\)"
+                                  elt index)
                     ;; Does the closing delim match the opening one?
                     (string-equal
                      (match-string 3 elt)