To: vim_dev@googlegroups.com
Subject: Patch 7.3.851
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
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------------
 
Patch 7.3.851
Problem:    Using an empty pattern with :sort silently continues when there is
	    no previous search pattern.
Solution:   Give an error message.
Files:	    src/ex_cmds.c
 
 
*** ../vim-7.3.850/src/ex_cmds.c	2013-03-07 16:08:31.000000000 +0100
--- src/ex_cmds.c	2013-03-07 16:25:28.000000000 +0100
***************
*** 415,422 ****
  	    }
  	    *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)
--- 415,429 ----
  	    }
  	    *s = NUL;
  	    /* Use last search pattern if sort pattern is empty. */
! 	    if (s == p + 1)
! 	    {
! 		if (last_search_pat() == NULL)
! 		{
! 		    EMSG(_(e_noprevre));
! 		    goto sortend;
! 		}
  		regmatch.regprog = vim_regcomp(last_search_pat(), RE_MAGIC);
+ 	    }
  	    else
  		regmatch.regprog = vim_regcomp(p + 1, RE_MAGIC);
  	    if (regmatch.regprog == NULL)
*** ../vim-7.3.850/src/version.c	2013-03-07 16:32:49.000000000 +0100
--- src/version.c	2013-03-07 16:38:49.000000000 +0100
***************
*** 730,731 ****
--- 730,733 ----
  {   /* Add new patch number below this line */
+ /**/
+     851,
  /**/
 
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 /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
\\\  an exciting new programming language -- http://www.Zimbu.org        ///
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