[PATCH] Save global match data when looking for the beginning of field.

[servilio]

Thus avoid disrupting usage of regular expressions functions
elsewhere.
---
 emacs/notmuch-address.el |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/emacs/notmuch-address.el b/emacs/notmuch-address.el
index 52e320d..2960da9 100644
--- a/emacs/notmuch-address.el
+++ b/emacs/notmuch-address.el
@@ -47,9 +47,9 @@ line."
 (defun notmuch-address-expand-name ()
   (let* ((end (point))
 	 (beg (save-excursion
-		(re-search-backward "\\(\\`\\|[\n:,]\\)[ \t]*")
-		(match-end 0)
-		))
+		(save-match-data
+		  (re-search-backward "\\(\\`\\|[\n:,]\\)[ \t]*")
+		  (match-end 0))))
 	 (orig (buffer-substring-no-properties beg end))
 	 (completion-ignore-case t)
 	 (options (notmuch-address-options orig))
-- 
1.7.4.1