To: vim-dev@vim.org
Subject: Patch 7.2.441
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
Mime-Version: 1.0
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------------
 
Patch 7.2.441
Problem:    When using ":earlier" undo information may be wrong.
Solution:   When changing alternate branches also adjust b_u_oldhead.
Files:	    src/undo.c
 
 
*** ../vim-7.2.440/src/undo.c	2008-02-13 15:21:29.000000000 +0100
--- src/undo.c	2010-05-30 16:52:47.000000000 +0200
***************
*** 242,248 ****
  }
  
  /*
!  * save the line "lnum" (used by ":s" and "~" command)
   * The line is replaced, so the new bottom line is lnum + 1.
   */
      int
--- 242,248 ----
  }
  
  /*
!  * Save the line "lnum" (used by ":s" and "~" command).
   * The line is replaced, so the new bottom line is lnum + 1.
   */
      int
***************
*** 256,262 ****
  }
  
  /*
!  * a new line is inserted before line "lnum" (used by :s command)
   * The line is inserted, so the new bottom line is lnum + 1.
   */
      int
--- 256,262 ----
  }
  
  /*
!  * A new line is inserted before line "lnum" (used by :s command).
   * The line is inserted, so the new bottom line is lnum + 1.
   */
      int
***************
*** 270,276 ****
  }
  
  /*
!  * save the lines "lnum" - "lnum" + nlines (used by delete command)
   * The lines are deleted, so the new bottom line is lnum, unless the buffer
   * becomes empty.
   */
--- 270,276 ----
  }
  
  /*
!  * Save the lines "lnum" - "lnum" + nlines (used by delete command).
   * The lines are deleted, so the new bottom line is lnum, unless the buffer
   * becomes empty.
   */
***************
*** 996,1001 ****
--- 996,1003 ----
  		last->uh_alt_next = uhp;
  		uhp->uh_alt_prev = last;
  
+ 		if (curbuf->b_u_oldhead == uhp)
+ 		    curbuf->b_u_oldhead = last;
  		uhp = last;
  		if (uhp->uh_next != NULL)
  		    uhp->uh_next->uh_prev = uhp;
***************
*** 1406,1415 ****
  /*
   * ":undolist": List the leafs of the undo tree
   */
- /*ARGSUSED*/
      void
  ex_undolist(eap)
!     exarg_T *eap;
  {
      garray_T	ga;
      u_header_T	*uhp;
--- 1408,1416 ----
  /*
   * ":undolist": List the leafs of the undo tree
   */
      void
  ex_undolist(eap)
!     exarg_T *eap UNUSED;
  {
      garray_T	ga;
      u_header_T	*uhp;
***************
*** 1529,1538 ****
  /*
   * ":undojoin": continue adding to the last entry list
   */
- /*ARGSUSED*/
      void
  ex_undojoin(eap)
!     exarg_T *eap;
  {
      if (curbuf->b_u_newhead == NULL)
  	return;		    /* nothing changed before */
--- 1530,1538 ----
  /*
   * ":undojoin": continue adding to the last entry list
   */
      void
  ex_undojoin(eap)
!     exarg_T *eap UNUSED;
  {
      if (curbuf->b_u_newhead == NULL)
  	return;		    /* nothing changed before */
*** ../vim-7.2.440/src/version.c	2010-05-28 22:06:41.000000000 +0200
--- src/version.c	2010-05-30 16:53:56.000000000 +0200
***************
*** 683,684 ****
--- 683,686 ----
  {   /* Add new patch number below this line */
+ /**/
+     441,
  /**/
 
-- 
hundred-and-one symptoms of being an internet addict:
127. You bring your laptop and cellular phone to church.
 
 /// 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        ///
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