diff --git a/7.1.028 b/7.1.028
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+To: vim-dev@vim.org
+Subject: patch 7.1.028
+Fcc: outbox
+From: Bram Moolenaar <Bram@moolenaar.net>
+Mime-Version: 1.0
+Content-Type: text/plain; charset=ISO-8859-1
+Content-Transfer-Encoding: 8bit
+------------
+
+Patch 7.1.028
+Problem:    Can't use last search pattern for ":sort". (Brian McKee)
+Solution:   When the pattern is emtpy use the last search pattern. (Martin
+	    Toft)
+Files:	    runtime/doc/change.txt, src/ex_cmds.c
+
+
+*** ../vim-7.1.027/runtime/doc/change.txt	Sat May 12 16:10:12 2007
+--- runtime/doc/change.txt	Tue Jul 10 11:30:56 2007
+***************
+*** 1571,1576 ****
+--- 1571,1580 ----
+  			in their original order, right before the sorted
+  			lines.
+  
++ 			If {pattern} is empty (e.g. // is specified), the
++ 			last search pattern is used.  This allows trying out
++ 			a pattern first.
++ 
+  Note that using ":sort" with ":global" doesn't sort the matching lines, it's
+  quite useless.
+  
+*** ../vim-7.1.027/src/ex_cmds.c	Thu Jun 28 21:57:08 2007
+--- src/ex_cmds.c	Tue Jul 10 17:25:10 2007
+***************
+*** 408,414 ****
+  		goto sortend;
+  	    }
+  	    *s = NUL;
+! 	    regmatch.regprog = vim_regcomp(p + 1, RE_MAGIC);
+  	    if (regmatch.regprog == NULL)
+  		goto sortend;
+  	    p = s;		/* continue after the regexp */
+--- 408,418 ----
+  		goto sortend;
+  	    }
+  	    *s = NUL;
+! 	    /* Use last search pattern if sort pattern is empty. */
+! 	    if (s == p + 1 && last_search_pat() != NULL)
+! 		regmatch.regprog = vim_regcomp(last_search_pat(), RE_MAGIC);
+! 	    else
+! 		regmatch.regprog = vim_regcomp(p + 1, RE_MAGIC);
+  	    if (regmatch.regprog == NULL)
+  		goto sortend;
+  	    p = s;		/* continue after the regexp */
+*** ../vim-7.1.027/src/version.c	Tue Jul 10 17:09:51 2007
+--- src/version.c	Tue Jul 10 17:20:01 2007
+***************
+*** 668,669 ****
+--- 668,671 ----
+  {   /* Add new patch number below this line */
++ /**/
++     28,
+  /**/
+
+-- 
+Every person is responsible for the choices he makes.
+
+ /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
+///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
+\\\        download, build and distribute -- http://www.A-A-P.org        ///
+ \\\            help me help AIDS victims -- http://ICCF-Holland.org    ///