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  1.   be765df33bbe3608aada7783f3494aef51a31b63
  2.   7.3.893
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To: vim_dev@googlegroups.com
Subject: Patch 7.3.893
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
------------
 
Patch 7.3.893
Problem:    Crash when using b:, w: or t: after closing the buffer, window or
	    tabpage.
Solution:   Allocate the dictionary instead of having it part of the
	    buffer/window/tabpage struct. (Yukihiro Nakadaira)
Files:	    src/buffer.c, src/eval.c, src/fileio.c, src/structs.h,
	    src/window.c, src/proto/eval.pro
 
 
*** ../vim-7.3.892/src/buffer.c	2013-03-19 16:46:59.000000000 +0100
--- src/buffer.c	2013-04-15 12:07:07.000000000 +0200
***************
*** 648,653 ****
--- 648,656 ----
      buf_T	*buf;
  {
      free_buffer_stuff(buf, TRUE);
+ #ifdef FEAT_EVAL
+     unref_var_dict(buf->b_vars);
+ #endif
  #ifdef FEAT_LUA
      lua_buffer_free(buf);
  #endif
***************
*** 689,696 ****
  #endif
      }
  #ifdef FEAT_EVAL
!     vars_clear(&buf->b_vars.dv_hashtab); /* free all internal variables */
!     hash_init(&buf->b_vars.dv_hashtab);
  #endif
  #ifdef FEAT_USR_CMDS
      uc_clear(&buf->b_ucmds);		/* clear local user commands */
--- 692,699 ----
  #endif
      }
  #ifdef FEAT_EVAL
!     vars_clear(&buf->b_vars->dv_hashtab); /* free all internal variables */
!     hash_init(&buf->b_vars->dv_hashtab);
  #endif
  #ifdef FEAT_USR_CMDS
      uc_clear(&buf->b_ucmds);		/* clear local user commands */
***************
*** 1694,1699 ****
--- 1697,1713 ----
  	    vim_free(ffname);
  	    return NULL;
  	}
+ #ifdef FEAT_EVAL
+ 	/* init b: variables */
+ 	buf->b_vars = dict_alloc();
+ 	if (buf->b_vars == NULL)
+ 	{
+ 	    vim_free(ffname);
+ 	    vim_free(buf);
+ 	    return NULL;
+ 	}
+ 	init_var_dict(buf->b_vars, &buf->b_bufvar, VAR_SCOPE);
+ #endif
      }
  
      if (ffname != NULL)
***************
*** 1778,1787 ****
      buf->b_wininfo->wi_fpos.lnum = lnum;
      buf->b_wininfo->wi_win = curwin;
  
- #ifdef FEAT_EVAL
-     /* init b: variables */
-     init_var_dict(&buf->b_vars, &buf->b_bufvar, VAR_SCOPE);
- #endif
  #ifdef FEAT_SYN_HL
      hash_init(&buf->b_s.b_keywtab);
      hash_init(&buf->b_s.b_keywtab_ic);
--- 1792,1797 ----
*** ../vim-7.3.892/src/eval.c	2013-03-19 14:25:50.000000000 +0100
--- src/eval.c	2013-04-15 12:26:33.000000000 +0200
***************
*** 2131,2137 ****
  {
      char_u	numbuf[NUMBUFLEN];
  
!     list_hashtable_vars(&curbuf->b_vars.dv_hashtab, (char_u *)"b:",
  								 TRUE, first);
  
      sprintf((char *)numbuf, "%ld", (long)curbuf->b_changedtick);
--- 2131,2137 ----
  {
      char_u	numbuf[NUMBUFLEN];
  
!     list_hashtable_vars(&curbuf->b_vars->dv_hashtab, (char_u *)"b:",
  								 TRUE, first);
  
      sprintf((char *)numbuf, "%ld", (long)curbuf->b_changedtick);
***************
*** 2146,2152 ****
  list_win_vars(first)
      int *first;
  {
!     list_hashtable_vars(&curwin->w_vars.dv_hashtab,
  						 (char_u *)"w:", TRUE, first);
  }
  
--- 2146,2152 ----
  list_win_vars(first)
      int *first;
  {
!     list_hashtable_vars(&curwin->w_vars->dv_hashtab,
  						 (char_u *)"w:", TRUE, first);
  }
  
***************
*** 2158,2164 ****
  list_tab_vars(first)
      int *first;
  {
!     list_hashtable_vars(&curtab->tp_vars.dv_hashtab,
  						 (char_u *)"t:", TRUE, first);
  }
  #endif
--- 2158,2164 ----
  list_tab_vars(first)
      int *first;
  {
!     list_hashtable_vars(&curtab->tp_vars->dv_hashtab,
  						 (char_u *)"t:", TRUE, first);
  }
  #endif
***************
*** 3948,3954 ****
      }
  
      /* b: variables */
!     ht = &curbuf->b_vars.dv_hashtab;
      if (bdone < ht->ht_used)
      {
  	if (bdone++ == 0)
--- 3948,3954 ----
      }
  
      /* b: variables */
!     ht = &curbuf->b_vars->dv_hashtab;
      if (bdone < ht->ht_used)
      {
  	if (bdone++ == 0)
***************
*** 3966,3972 ****
      }
  
      /* w: variables */
!     ht = &curwin->w_vars.dv_hashtab;
      if (wdone < ht->ht_used)
      {
  	if (wdone++ == 0)
--- 3966,3972 ----
      }
  
      /* w: variables */
!     ht = &curwin->w_vars->dv_hashtab;
      if (wdone < ht->ht_used)
      {
  	if (wdone++ == 0)
***************
*** 3980,3986 ****
  
  #ifdef FEAT_WINDOWS
      /* t: variables */
!     ht = &curtab->tp_vars.dv_hashtab;
      if (tdone < ht->ht_used)
      {
  	if (tdone++ == 0)
--- 3980,3986 ----
  
  #ifdef FEAT_WINDOWS
      /* t: variables */
!     ht = &curtab->tp_vars->dv_hashtab;
      if (tdone < ht->ht_used)
      {
  	if (tdone++ == 0)
***************
*** 6787,6802 ****
  
      /* buffer-local variables */
      for (buf = firstbuf; buf != NULL; buf = buf->b_next)
! 	set_ref_in_ht(&buf->b_vars.dv_hashtab, copyID);
  
      /* window-local variables */
      FOR_ALL_TAB_WINDOWS(tp, wp)
! 	set_ref_in_ht(&wp->w_vars.dv_hashtab, copyID);
  
  #ifdef FEAT_WINDOWS
      /* tabpage-local variables */
      for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
! 	set_ref_in_ht(&tp->tp_vars.dv_hashtab, copyID);
  #endif
  
      /* global variables */
--- 6787,6802 ----
  
      /* buffer-local variables */
      for (buf = firstbuf; buf != NULL; buf = buf->b_next)
! 	set_ref_in_item(&buf->b_bufvar.di_tv, copyID);
  
      /* window-local variables */
      FOR_ALL_TAB_WINDOWS(tp, wp)
! 	set_ref_in_item(&wp->w_winvar.di_tv, copyID);
  
  #ifdef FEAT_WINDOWS
      /* tabpage-local variables */
      for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
! 	set_ref_in_item(&tp->tp_winvar.di_tv, copyID);
  #endif
  
      /* global variables */
***************
*** 11156,11162 ****
  		 * find_var_in_ht(). */
  		varname = (char_u *)"b:" + 2;
  	    /* look up the variable */
! 	    v = find_var_in_ht(&curbuf->b_vars.dv_hashtab, varname, FALSE);
  	    if (v != NULL)
  		copy_tv(&v->di_tv, rettv);
  	}
--- 11156,11162 ----
  		 * find_var_in_ht(). */
  		varname = (char_u *)"b:" + 2;
  	    /* look up the variable */
! 	    v = find_var_in_ht(&curbuf->b_vars->dv_hashtab, varname, FALSE);
  	    if (v != NULL)
  		copy_tv(&v->di_tv, rettv);
  	}
***************
*** 11779,11785 ****
      if (tp != NULL && varname != NULL)
      {
  	/* look up the variable */
! 	v = find_var_in_ht(&tp->tp_vars.dv_hashtab, varname, FALSE);
  	if (v != NULL)
  	    copy_tv(&v->di_tv, rettv);
  	else if (argvars[2].v_type != VAR_UNKNOWN)
--- 11779,11785 ----
      if (tp != NULL && varname != NULL)
      {
  	/* look up the variable */
! 	v = find_var_in_ht(&tp->tp_vars->dv_hashtab, varname, FALSE);
  	if (v != NULL)
  	    copy_tv(&v->di_tv, rettv);
  	else if (argvars[2].v_type != VAR_UNKNOWN)
***************
*** 11935,11941 ****
  		 * find_var_in_ht(). */
  		varname = (char_u *)"w:" + 2;
  	    /* look up the variable */
! 	    v = find_var_in_ht(&win->w_vars.dv_hashtab, varname, FALSE);
  	    if (v != NULL)
  		copy_tv(&v->di_tv, rettv);
  	}
--- 11935,11941 ----
  		 * find_var_in_ht(). */
  		varname = (char_u *)"w:" + 2;
  	    /* look up the variable */
! 	    v = find_var_in_ht(&win->w_vars->dv_hashtab, varname, FALSE);
  	    if (v != NULL)
  		copy_tv(&v->di_tv, rettv);
  	}
***************
*** 14333,14339 ****
      rettv->v_type = VAR_STRING;
  }
  
! #ifdef FEAT_MZSCHEME
  /*
   * "mzeval()" function
   */
--- 14333,14339 ----
      rettv->v_type = VAR_STRING;
  }
  
! #if defined(FEAT_MZSCHEME) || defined(PROTO)
  /*
   * "mzeval()" function
   */
***************
*** 20134,20145 ****
  			       || vim_strchr(name + 2, AUTOLOAD_CHAR) != NULL)
  	return NULL;
      if (*name == 'b')				/* buffer variable */
! 	return &curbuf->b_vars.dv_hashtab;
      if (*name == 'w')				/* window variable */
! 	return &curwin->w_vars.dv_hashtab;
  #ifdef FEAT_WINDOWS
      if (*name == 't')				/* tab page variable */
! 	return &curtab->tp_vars.dv_hashtab;
  #endif
      if (*name == 'v')				/* v: variable */
  	return &vimvarht;
--- 20134,20145 ----
  			       || vim_strchr(name + 2, AUTOLOAD_CHAR) != NULL)
  	return NULL;
      if (*name == 'b')				/* buffer variable */
! 	return &curbuf->b_vars->dv_hashtab;
      if (*name == 'w')				/* window variable */
! 	return &curwin->w_vars->dv_hashtab;
  #ifdef FEAT_WINDOWS
      if (*name == 't')				/* tab page variable */
! 	return &curtab->tp_vars->dv_hashtab;
  #endif
      if (*name == 'v')				/* v: variable */
  	return &vimvarht;
***************
*** 20229,20234 ****
--- 20229,20247 ----
  }
  
  /*
+  * Unreference a dictionary initialized by init_var_dict().
+  */
+     void
+ unref_var_dict(dict)
+     dict_T	*dict;
+ {
+     /* Now the dict needs to be freed if no one else is using it, go back to
+      * normal reference counting. */
+     dict->dv_refcount -= DO_NOT_FREE_CNT - 1;
+     dict_unref(dict);
+ }
+ 
+ /*
   * Clean up a list of internal variables.
   * Frees all allocated variables and the value they contain.
   * Clears hashtab "ht", does not free it.
*** ../vim-7.3.892/src/fileio.c	2013-03-19 16:46:59.000000000 +0100
--- src/fileio.c	2013-04-15 11:52:34.000000000 +0200
***************
*** 8955,8962 ****
  	    /* Hmm, original window disappeared.  Just use the first one. */
  	    curwin = firstwin;
  # ifdef FEAT_EVAL
! 	vars_clear(&aucmd_win->w_vars.dv_hashtab);  /* free all w: variables */
! 	hash_init(&aucmd_win->w_vars.dv_hashtab);   /* re-use the hashtab */
  # endif
  #else
  	curwin = aco->save_curwin;
--- 8955,8962 ----
  	    /* Hmm, original window disappeared.  Just use the first one. */
  	    curwin = firstwin;
  # ifdef FEAT_EVAL
! 	vars_clear(&aucmd_win->w_vars->dv_hashtab);  /* free all w: variables */
! 	hash_init(&aucmd_win->w_vars->dv_hashtab);   /* re-use the hashtab */
  # endif
  #else
  	curwin = aco->save_curwin;
*** ../vim-7.3.892/src/structs.h	2012-07-16 17:31:48.000000000 +0200
--- src/structs.h	2013-04-15 11:52:34.000000000 +0200
***************
*** 1611,1617 ****
  
  #ifdef FEAT_EVAL
      dictitem_T	b_bufvar;	/* variable for "b:" Dictionary */
!     dict_T	b_vars;		/* internal variables, local to buffer */
  #endif
  
  #if defined(FEAT_BEVAL) && defined(FEAT_EVAL)
--- 1611,1617 ----
  
  #ifdef FEAT_EVAL
      dictitem_T	b_bufvar;	/* variable for "b:" Dictionary */
!     dict_T	*b_vars;	/* internal variables, local to buffer */
  #endif
  
  #if defined(FEAT_BEVAL) && defined(FEAT_EVAL)
***************
*** 1757,1763 ****
      frame_T	    *(tp_snapshot[SNAP_COUNT]);  /* window layout snapshots */
  #ifdef FEAT_EVAL
      dictitem_T	    tp_winvar;	    /* variable for "t:" Dictionary */
!     dict_T	    tp_vars;	    /* internal variables, local to tab page */
  #endif
  };
  
--- 1757,1763 ----
      frame_T	    *(tp_snapshot[SNAP_COUNT]);  /* window layout snapshots */
  #ifdef FEAT_EVAL
      dictitem_T	    tp_winvar;	    /* variable for "t:" Dictionary */
!     dict_T	    *tp_vars;	    /* internal variables, local to tab page */
  #endif
  };
  
***************
*** 2080,2086 ****
  
  #ifdef FEAT_EVAL
      dictitem_T	w_winvar;	/* variable for "w:" Dictionary */
!     dict_T	w_vars;		/* internal variables, local to window */
  #endif
  
  #if defined(FEAT_RIGHTLEFT) && defined(FEAT_FKMAP)
--- 2080,2086 ----
  
  #ifdef FEAT_EVAL
      dictitem_T	w_winvar;	/* variable for "w:" Dictionary */
!     dict_T	*w_vars;	/* internal variables, local to window */
  #endif
  
  #if defined(FEAT_RIGHTLEFT) && defined(FEAT_FKMAP)
*** ../vim-7.3.892/src/window.c	2013-02-06 13:37:58.000000000 +0100
--- src/window.c	2013-04-15 12:20:09.000000000 +0200
***************
*** 3457,3481 ****
  alloc_tabpage()
  {
      tabpage_T	*tp;
  
      tp = (tabpage_T *)alloc_clear((unsigned)sizeof(tabpage_T));
!     if (tp != NULL)
      {
! # ifdef FEAT_GUI
! 	int	i;
  
! 	for (i = 0; i < 3; i++)
! 	    tp->tp_prev_which_scrollbars[i] = -1;
  # endif
  # ifdef FEAT_DIFF
! 	tp->tp_diff_invalid = TRUE;
  # endif
! #ifdef FEAT_EVAL
! 	/* init t: variables */
! 	init_var_dict(&tp->tp_vars, &tp->tp_winvar, VAR_SCOPE);
! #endif
! 	tp->tp_ch_used = p_ch;
!     }
      return tp;
  }
  
--- 3457,3491 ----
  alloc_tabpage()
  {
      tabpage_T	*tp;
+ # ifdef FEAT_GUI
+     int		i;
+ # endif
+ 
  
      tp = (tabpage_T *)alloc_clear((unsigned)sizeof(tabpage_T));
!     if (tp == NULL)
! 	return NULL;
! 
! # ifdef FEAT_EVAL
!     /* init t: variables */
!     tp->tp_vars = dict_alloc();
!     if (tp->tp_vars == NULL)
      {
! 	vim_free(tp);
! 	return NULL;
!     }
!     init_var_dict(tp->tp_vars, &tp->tp_winvar, VAR_SCOPE);
! # endif
  
! # ifdef FEAT_GUI
!     for (i = 0; i < 3; i++)
! 	tp->tp_prev_which_scrollbars[i] = -1;
  # endif
  # ifdef FEAT_DIFF
!     tp->tp_diff_invalid = TRUE;
  # endif
!     tp->tp_ch_used = p_ch;
! 
      return tp;
  }
  
***************
*** 3491,3497 ****
      for (idx = 0; idx < SNAP_COUNT; ++idx)
  	clear_snapshot(tp, idx);
  #ifdef FEAT_EVAL
!     vars_clear(&tp->tp_vars.dv_hashtab);	/* free all t: variables */
  #endif
      vim_free(tp);
  }
--- 3501,3509 ----
      for (idx = 0; idx < SNAP_COUNT; ++idx)
  	clear_snapshot(tp, idx);
  #ifdef FEAT_EVAL
!     vars_clear(&tp->tp_vars->dv_hashtab);	/* free all t: variables */
!     hash_init(&tp->tp_vars->dv_hashtab);
!     unref_var_dict(tp->tp_vars);
  #endif
      vim_free(tp);
  }
***************
*** 4363,4433 ****
       * allocate window structure and linesizes arrays
       */
      new_wp = (win_T *)alloc_clear((unsigned)sizeof(win_T));
!     if (new_wp != NULL && win_alloc_lines(new_wp) == FAIL)
      {
  	vim_free(new_wp);
! 	new_wp = NULL;
      }
  
!     if (new_wp != NULL)
      {
  #ifdef FEAT_AUTOCMD
! 	/* Don't execute autocommands while the window is not properly
! 	 * initialized yet.  gui_create_scrollbar() may trigger a FocusGained
! 	 * event. */
! 	block_autocmds();
  #endif
! 	/*
! 	 * link the window in the window list
! 	 */
  #ifdef FEAT_WINDOWS
! 	if (!hidden)
! 	    win_append(after, new_wp);
  #endif
  #ifdef FEAT_VERTSPLIT
! 	new_wp->w_wincol = 0;
! 	new_wp->w_width = Columns;
  #endif
  
! 	/* position the display and the cursor at the top of the file. */
! 	new_wp->w_topline = 1;
  #ifdef FEAT_DIFF
! 	new_wp->w_topfill = 0;
  #endif
! 	new_wp->w_botline = 2;
! 	new_wp->w_cursor.lnum = 1;
  #ifdef FEAT_SCROLLBIND
! 	new_wp->w_scbind_pos = 1;
  #endif
  
! 	/* We won't calculate w_fraction until resizing the window */
! 	new_wp->w_fraction = 0;
! 	new_wp->w_prev_fraction_row = -1;
  
  #ifdef FEAT_GUI
! 	if (gui.in_use)
! 	{
! 	    gui_create_scrollbar(&new_wp->w_scrollbars[SBAR_LEFT],
! 		    SBAR_LEFT, new_wp);
! 	    gui_create_scrollbar(&new_wp->w_scrollbars[SBAR_RIGHT],
! 		    SBAR_RIGHT, new_wp);
! 	}
! #endif
! #ifdef FEAT_EVAL
! 	/* init w: variables */
! 	init_var_dict(&new_wp->w_vars, &new_wp->w_winvar, VAR_SCOPE);
  #endif
  #ifdef FEAT_FOLDING
! 	foldInitWin(new_wp);
  #endif
  #ifdef FEAT_AUTOCMD
! 	unblock_autocmds();
  #endif
  #ifdef FEAT_SEARCH_EXTRA
! 	new_wp->w_match_head = NULL;
! 	new_wp->w_next_match_id = 4;
  #endif
-     }
      return new_wp;
  }
  
--- 4375,4453 ----
       * allocate window structure and linesizes arrays
       */
      new_wp = (win_T *)alloc_clear((unsigned)sizeof(win_T));
!     if (new_wp == NULL)
! 	return NULL;
! 
!     if (win_alloc_lines(new_wp) == FAIL)
      {
  	vim_free(new_wp);
! 	return NULL;
      }
  
! #ifdef FEAT_EVAL
!     /* init w: variables */
!     new_wp->w_vars = dict_alloc();
!     if (new_wp->w_vars == NULL)
      {
+ 	win_free_lsize(new_wp);
+ 	vim_free(new_wp);
+ 	return NULL;
+     }
+     init_var_dict(new_wp->w_vars, &new_wp->w_winvar, VAR_SCOPE);
+ #endif
+ 
  #ifdef FEAT_AUTOCMD
!     /* Don't execute autocommands while the window is not properly
!      * initialized yet.  gui_create_scrollbar() may trigger a FocusGained
!      * event. */
!     block_autocmds();
  #endif
!     /*
!      * link the window in the window list
!      */
  #ifdef FEAT_WINDOWS
!     if (!hidden)
! 	win_append(after, new_wp);
  #endif
  #ifdef FEAT_VERTSPLIT
!     new_wp->w_wincol = 0;
!     new_wp->w_width = Columns;
  #endif
  
!     /* position the display and the cursor at the top of the file. */
!     new_wp->w_topline = 1;
  #ifdef FEAT_DIFF
!     new_wp->w_topfill = 0;
  #endif
!     new_wp->w_botline = 2;
!     new_wp->w_cursor.lnum = 1;
  #ifdef FEAT_SCROLLBIND
!     new_wp->w_scbind_pos = 1;
  #endif
  
!     /* We won't calculate w_fraction until resizing the window */
!     new_wp->w_fraction = 0;
!     new_wp->w_prev_fraction_row = -1;
  
  #ifdef FEAT_GUI
!     if (gui.in_use)
!     {
! 	gui_create_scrollbar(&new_wp->w_scrollbars[SBAR_LEFT],
! 		SBAR_LEFT, new_wp);
! 	gui_create_scrollbar(&new_wp->w_scrollbars[SBAR_RIGHT],
! 		SBAR_RIGHT, new_wp);
!     }
  #endif
  #ifdef FEAT_FOLDING
!     foldInitWin(new_wp);
  #endif
  #ifdef FEAT_AUTOCMD
!     unblock_autocmds();
  #endif
  #ifdef FEAT_SEARCH_EXTRA
!     new_wp->w_match_head = NULL;
!     new_wp->w_next_match_id = 4;
  #endif
      return new_wp;
  }
  
***************
*** 4488,4494 ****
      clear_winopt(&wp->w_allbuf_opt);
  
  #ifdef FEAT_EVAL
!     vars_clear(&wp->w_vars.dv_hashtab);	    /* free all w: variables */
  #endif
  
      if (prevwin == wp)
--- 4508,4516 ----
      clear_winopt(&wp->w_allbuf_opt);
  
  #ifdef FEAT_EVAL
!     vars_clear(&wp->w_vars->dv_hashtab);	/* free all w: variables */
!     hash_init(&wp->w_vars->dv_hashtab);
!     unref_var_dict(wp->w_vars);
  #endif
  
      if (prevwin == wp)
*** ../vim-7.3.892/src/proto/eval.pro	2013-01-30 14:55:35.000000000 +0100
--- src/proto/eval.pro	2013-04-15 12:26:39.000000000 +0200
***************
*** 24,31 ****
  int get_spellword __ARGS((list_T *list, char_u **pp));
  typval_T *eval_expr __ARGS((char_u *arg, char_u **nextcmd));
  int call_vim_function __ARGS((char_u *func, int argc, char_u **argv, int safe, int str_arg_only, typval_T *rettv));
- void *call_func_retstr __ARGS((char_u *func, int argc, char_u **argv, int safe));
  long call_func_retnr __ARGS((char_u *func, int argc, char_u **argv, int safe));
  void *call_func_retlist __ARGS((char_u *func, int argc, char_u **argv, int safe));
  void *save_funccal __ARGS((void));
  void restore_funccal __ARGS((void *vfc));
--- 24,31 ----
  int get_spellword __ARGS((list_T *list, char_u **pp));
  typval_T *eval_expr __ARGS((char_u *arg, char_u **nextcmd));
  int call_vim_function __ARGS((char_u *func, int argc, char_u **argv, int safe, int str_arg_only, typval_T *rettv));
  long call_func_retnr __ARGS((char_u *func, int argc, char_u **argv, int safe));
+ void *call_func_retstr __ARGS((char_u *func, int argc, char_u **argv, int safe));
  void *call_func_retlist __ARGS((char_u *func, int argc, char_u **argv, int safe));
  void *save_funccal __ARGS((void));
  void restore_funccal __ARGS((void *vfc));
***************
*** 95,100 ****
--- 95,101 ----
  char_u *get_var_value __ARGS((char_u *name));
  void new_script_vars __ARGS((scid_T id));
  void init_var_dict __ARGS((dict_T *dict, dictitem_T *dict_var, int scope));
+ void unref_var_dict __ARGS((dict_T *dict));
  void vars_clear __ARGS((hashtab_T *ht));
  void copy_tv __ARGS((typval_T *from, typval_T *to));
  void ex_echo __ARGS((exarg_T *eap));
*** ../vim-7.3.892/src/version.c	2013-04-14 23:19:32.000000000 +0200
--- src/version.c	2013-04-15 12:19:17.000000000 +0200
***************
*** 730,731 ****
--- 730,733 ----
  {   /* Add new patch number below this line */
+ /**/
+     893,
  /**/
 
-- 
Apathy Error: Don't bother striking any key.
 
 /// 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        ///
 \\\            help me help AIDS victims -- http://ICCF-Holland.org    ///

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