# HG changeset patch
# User vimboss
# Date 1235266679 0
# Node ID cda8f3aceb85c72c94498120fa171939b83cc8a3
# Parent  9913ff5706164031d5f847bc0980cc61eeed3974
updated for version 7.2-120

diff --git a/src/quickfix.c b/src/quickfix.c
--- a/src/quickfix.c
+++ b/src/quickfix.c
@@ -1419,6 +1419,7 @@ qf_jump(qi, dir, errornr, forceit)
     int			opened_window = FALSE;
     win_T		*win;
     win_T		*altwin;
+    int			flags;
 #endif
     win_T		*oldwin = curwin;
     int			print_message = TRUE;
@@ -1531,7 +1532,6 @@ qf_jump(qi, dir, errornr, forceit)
     if (qf_ptr->qf_type == 1 && (!curwin->w_buffer->b_help || cmdmod.tab != 0))
     {
 	win_T	*wp;
-	int	n;
 
 	if (cmdmod.tab != 0)
 	    wp = NULL;
@@ -1547,13 +1547,16 @@ qf_jump(qi, dir, errornr, forceit)
 	     * Split off help window; put it at far top if no position
 	     * specified, the current window is vertically split and narrow.
 	     */
-	    n = WSP_HELP;
+	    flags = WSP_HELP;
 # ifdef FEAT_VERTSPLIT
 	    if (cmdmod.split == 0 && curwin->w_width != Columns
 						      && curwin->w_width < 80)
-		n |= WSP_TOP;
+		flags |= WSP_TOP;
 # endif
-	    if (win_split(0, n) == FAIL)
+	    if (qi != &ql_info)
+		flags |= WSP_NEWLOC;  /* don't copy the location list */
+
+	    if (win_split(0, flags) == FAIL)
 		goto theend;
 	    opened_window = TRUE;	/* close it when fail */
 
@@ -1563,7 +1566,6 @@ qf_jump(qi, dir, errornr, forceit)
 	    if (qi != &ql_info)	    /* not a quickfix list */
 	    {
 		/* The new window should use the supplied location list */
-		qf_free_all(curwin);
 		curwin->w_llist = qi;
 		qi->qf_refcount++;
 	    }
@@ -1624,7 +1626,10 @@ win_found:
 	{
 	    ll_ref = curwin->w_llist_ref;
 
-	    if (win_split(0, WSP_ABOVE) == FAIL)
+	    flags = WSP_ABOVE;
+	    if (ll_ref != NULL)
+		flags |= WSP_NEWLOC;
+	    if (win_split(0, flags) == FAIL)
 		goto failed;		/* not enough room for window */
 	    opened_window = TRUE;	/* close it when fail */
 	    p_swb = empty_option;	/* don't split again */
@@ -1636,7 +1641,6 @@ win_found:
 	    {
 		/* The new window should use the location list from the
 		 * location list window */
-		qf_free_all(curwin);
 		curwin->w_llist = ll_ref;
 		ll_ref->qf_refcount++;
 	    }
@@ -2311,15 +2315,12 @@ ex_copen(eap)
 	if (eap->cmdidx == CMD_copen || eap->cmdidx == CMD_cwindow)
 	    /* Create the new window at the very bottom. */
 	    win_goto(lastwin);
-	if (win_split(height, WSP_BELOW) == FAIL)
+	if (win_split(height, WSP_BELOW | WSP_NEWLOC) == FAIL)
 	    return;		/* not enough room for window */
 #ifdef FEAT_SCROLLBIND
 	curwin->w_p_scb = FALSE;
 #endif
 
-	/* Remove the location list for the quickfix window */
-	qf_free_all(curwin);
-
 	if (eap->cmdidx == CMD_lopen || eap->cmdidx == CMD_lwindow)
 	{
 	    /*
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -677,6 +677,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    120,
+/**/
     119,
 /**/
     118,
diff --git a/src/vim.h b/src/vim.h
--- a/src/vim.h
+++ b/src/vim.h
@@ -1057,6 +1057,7 @@ extern char *(*dyn_libintl_textdomain)(c
 #define WSP_HELP	16	/* creating the help window */
 #define WSP_BELOW	32	/* put new window below/right */
 #define WSP_ABOVE	64	/* put new window above/left */
+#define WSP_NEWLOC	128	/* don't copy location list */
 
 /*
  * arguments for gui_set_shellsize()
diff --git a/src/window.c b/src/window.c
--- a/src/window.c
+++ b/src/window.c
@@ -12,7 +12,7 @@
 static int path_is_url __ARGS((char_u *p));
 #if defined(FEAT_WINDOWS) || defined(PROTO)
 static int win_split_ins __ARGS((int size, int flags, win_T *newwin, int dir));
-static void win_init __ARGS((win_T *newp, win_T *oldp));
+static void win_init __ARGS((win_T *newp, win_T *oldp, int flags));
 static void frame_comp_pos __ARGS((frame_T *topfrp, int *row, int *col));
 static void frame_setheight __ARGS((frame_T *curfrp, int height));
 #ifdef FEAT_VERTSPLIT
@@ -911,7 +911,7 @@ win_split_ins(size, flags, newwin, dir)
 	    return FAIL;
 
 	/* make the contents of the new window the same as the current one */
-	win_init(wp, curwin);
+	win_init(wp, curwin, flags);
     }
 
     /*
@@ -1160,11 +1160,15 @@ win_split_ins(size, flags, newwin, dir)
  * Initialize window "newp" from window "oldp".
  * Used when splitting a window and when creating a new tab page.
  * The windows will both edit the same buffer.
+ * WSP_NEWLOC may be specified in flags to prevent the location list from
+ * being copied.
  */
+/*ARGSUSED*/
     static void
-win_init(newp, oldp)
+win_init(newp, oldp, flags)
     win_T	*newp;
     win_T	*oldp;
+    int		 flags;
 {
     int		i;
 
@@ -1189,7 +1193,14 @@ win_init(newp, oldp)
     copy_jumplist(oldp, newp);
 #endif
 #ifdef FEAT_QUICKFIX
-    copy_loclist(oldp, newp);
+    if (flags & WSP_NEWLOC)
+    {
+	/* Don't copy the location list.  */
+	newp->w_llist = NULL;
+	newp->w_llist_ref = NULL;
+    }
+    else
+	copy_loclist(oldp, newp);
 #endif
     if (oldp->w_localdir != NULL)
 	newp->w_localdir = vim_strsave(oldp->w_localdir);
@@ -3219,7 +3230,7 @@ win_alloc_firstwin(oldwin)
     else
     {
 	/* First window in new tab page, initialize it from "oldwin". */
-	win_init(curwin, oldwin);
+	win_init(curwin, oldwin, 0);
 
 # ifdef FEAT_SCROLLBIND
 	/* We don't want scroll-binding in the first window. */