* src/search.c (looking_at_1): Only set last_thing_searched if the match

changed the match-data.

Fixes: debbugs:14281

src/ChangeLog

+2013-05-21  Barry OReilly <gundaetiapo@gmail.com>
+
+	* search.c (looking_at_1): Only set last_thing_searched if the match
+	changed the match-data (bug#14281).
+
 2013-05-21  Dmitry Antipov  <dmantipov@yandex.ru>
 	* xdisp.c (reseat_at_previous_visible_line_start):
@@ -8,8 +13,8 @@
 	* xfns.c (check_x_display_info): Don't use XINT for terminal object.
 	(Fx_display_pixel_width, Fx_display_pixel_height)
-	(Fx_display_mm_width, Fx_display_mm_height): Mention
-	`display-monitor-attributes-list' in docstrings.
+	(Fx_display_mm_width, Fx_display_mm_height):
+	Mention `display-monitor-attributes-list' in docstrings.
 	* nsfns.m (ns_get_screen): Remove function.  All uses removed.
 	(check_ns_display_info): Sync with check_x_display_info	in xfns.c.
@@ -25,8 +30,8 @@
 	(Fx_display_pixel_width, Fx_display_pixel_width): Return width or
 	height for all physical monitors as in X11.
-	* nsterm.m (x_display_pixel_width, x_display_pixel_height): Return
-	pixel width or height for all physical monitors as in X11.
+	* nsterm.m (x_display_pixel_width, x_display_pixel_height):
+	Return pixel width or height for all physical monitors as in X11.
 2013-05-18  Paul Eggert  <eggert@cs.ucla.edu>

src/search.c

@@ -328,18 +328,18 @@ looking_at_1 (Lisp_Object string, bool posix)
 
   val = (i >= 0 ? Qt : Qnil);
   if (NILP (Vinhibit_changing_match_data) && i >= 0)
+  {
     for (i = 0; i < search_regs.num_regs; i++)
       if (search_regs.start[i] >= 0)
 	{
 	  search_regs.start[i]
 	    = BYTE_TO_CHAR (search_regs.start[i] + BEGV_BYTE);
-	  search_regs.end[i]
-	    = BYTE_TO_CHAR (search_regs.end[i] + BEGV_BYTE);
-	}
-
-  /* Set last_thing_searched only when match data is changed.  */
-  if (NILP (Vinhibit_changing_match_data))
+         search_regs.end[i]
+           = BYTE_TO_CHAR (search_regs.end[i] + BEGV_BYTE);
+       }
+    /* Set last_thing_searched only when match data is changed.  */
     XSETBUFFER (last_thing_searched, current_buffer);
+  }
 
   return val;
 }