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To: vim-dev@vim.org
Subject: Patch 7.0.038
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
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------------

Patch 7.0.038
Problem:    When calling complete() from an Insert mode expression mapping
	    text could be inserted in an improper way.
Solution:   Make undo_allowed() global and use it in complete().
Files:	    src/undo.c, src/proto/undo.pro, src/eval.c


*** ../vim-7.0.037/src/undo.c	Sat Apr 22 00:01:05 2006
--- src/undo.c	Mon Jul  3 22:23:22 2006
***************
*** 84,90 ****
  static void u_unch_branch __ARGS((u_header_T *uhp));
  static u_entry_T *u_get_headentry __ARGS((void));
  static void u_getbot __ARGS((void));
- static int undo_allowed __ARGS((void));
  static int u_savecommon __ARGS((linenr_T, linenr_T, linenr_T));
  static void u_doit __ARGS((int count));
  static void u_undoredo __ARGS((int undo));
--- 84,89 ----
***************
*** 196,202 ****
   * Return TRUE when undo is allowed.  Otherwise give an error message and
   * return FALSE.
   */
!     static int
  undo_allowed()
  {
      /* Don't allow changes when 'modifiable' is off.  */
--- 195,201 ----
   * Return TRUE when undo is allowed.  Otherwise give an error message and
   * return FALSE.
   */
!     int
  undo_allowed()
  {
      /* Don't allow changes when 'modifiable' is off.  */
*** ../vim-7.0.037/src/proto/undo.pro	Mon Apr 10 16:38:50 2006
--- src/proto/undo.pro	Mon Jul  3 22:25:07 2006
***************
*** 4,9 ****
--- 4,10 ----
  extern int u_savesub __ARGS((linenr_T lnum));
  extern int u_inssub __ARGS((linenr_T lnum));
  extern int u_savedel __ARGS((linenr_T lnum, long nlines));
+ extern int undo_allowed __ARGS((void));
  extern void u_undo __ARGS((int count));
  extern void u_redo __ARGS((int count));
  extern void undo_time __ARGS((long step, int sec, int absolute));
*** ../vim-7.0.037/src/eval.c	Thu Jun 22 21:01:19 2006
--- src/eval.c	Mon Jul 10 23:03:13 2006
***************
*** 8252,8257 ****
--- 8252,8263 ----
  	EMSG(_("E785: complete() can only be used in Insert mode"));
  	return;
      }
+ 
+     /* Check for undo allowed here, because if something was already inserted
+      * the line was already saved for undo and this check isn't done. */
+     if (!undo_allowed())
+ 	return;
+ 
      if (argvars[1].v_type != VAR_LIST || argvars[1].vval.v_list == NULL)
      {
  	EMSG(_(e_invarg));
*** ../vim-7.0.037/src/version.c	Tue Jul 11 22:59:04 2006
--- src/version.c	Wed Jul 12 20:31:49 2006
***************
*** 668,669 ****
--- 668,671 ----
  {   /* Add new patch number below this line */
+ /**/
+     38,
  /**/

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 /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
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