master a5599695 2/2: Save regexp groups

[Arash Esbati]

branch: master
commit a5599695b0db2fedc895460d10a6cd136f082962
Author: Arash Esbati <arash@gnu.org>
Commit: Arash Esbati <arash@gnu.org>

    Save regexp groups
    
    * style/xparse.el (LaTeX-xparse-macro-regexp)
    (LaTeX-xparse-environment-regexp): Use shy groups where possible.
---
 style/xparse.el | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/style/xparse.el b/style/xparse.el
index e71e456d..f3feaa56 100644
--- a/style/xparse.el
+++ b/style/xparse.el
@@ -57,7 +57,7 @@
       "[ \t\n\r]*"
       "}?"
       "[ \t\n\r]*"
-      
"{\\([^}{]*\\({[^}{]*\\({[^}{]*\\({[^}{]*}[^}{]*\\)*}[^}{]*\\)*}[^}{]*\\)*\\)}")
+      
"{\\([^}{]*\\(?:{[^}{]*\\(?:{[^}{]*\\(?:{[^}{]*}[^}{]*\\)*}[^}{]*\\)*}[^}{]*\\)*\\)}")
     (0 2 3 1) LaTeX-auto-xparse-macro)
   "Matches macros by xparse package.")
 
@@ -75,7 +75,7 @@
       "[ \t\n\r]*"
       "}"
       "[ \t\n\r]*"
-      
"{\\([^}{]*\\({[^}{]*\\({[^}{]*\\({[^}{]*}[^}{]*\\)*}[^}{]*\\)*}[^}{]*\\)*\\)}")
+      
"{\\([^}{]*\\(?:{[^}{]*\\(?:{[^}{]*\\(?:{[^}{]*}[^}{]*\\)*}[^}{]*\\)*}[^}{]*\\)*\\)}")
     (0 2 3 1) LaTeX-auto-xparse-environment)
   "Matches environments by xparse package.")