patch 7.4.2217

Problem:    When using matchaddpos() a character after the end of the line can
            be highlighted.
Solution:   Only highlight existing characters. (Hirohito Higashi)

src/screen.c

@@ -3542,6 +3542,7 @@ win_line(
 	shl->startcol = MAXCOL;
 	shl->endcol = MAXCOL;
 	shl->attr_cur = 0;
+	shl->is_addpos = FALSE;
 	v = (long)(ptr - line);
 	if (cur != NULL)
 	    cur->pos.cur = 0;
@@ -5125,14 +5126,14 @@ win_line(
 	     * needed when a '$' was displayed for 'list'. */
 #ifdef FEAT_SEARCH_EXTRA
 	    prevcol_hl_flag = FALSE;
-	    if (prevcol == (long)search_hl.startcol)
+	    if (!search_hl.is_addpos && prevcol == (long)search_hl.startcol)
 		prevcol_hl_flag = TRUE;
 	    else
 	    {
 		cur = wp->w_match_head;
 		while (cur != NULL)
 		{
-		    if (prevcol == (long)cur->hl.startcol)
+		    if (!cur->hl.is_addpos && prevcol == (long)cur->hl.startcol)
 		    {
 			prevcol_hl_flag = TRUE;
 			break;
@@ -5207,7 +5208,8 @@ win_line(
 			}
 			else
 			    shl = &cur->hl;
-			if ((ptr - line) - 1 == (long)shl->startcol)
+			if ((ptr - line) - 1 == (long)shl->startcol
+				&& (shl == &search_hl || !shl->is_addpos))
 			    char_attr = shl->attr;
 			if (shl != &search_hl && cur != NULL)
 			    cur = cur->next;
@@ -7815,6 +7817,7 @@ next_search_hl_pos(
 	shl->rm.startpos[0].col = start;
 	shl->rm.endpos[0].lnum = 0;
 	shl->rm.endpos[0].col = end;
+	shl->is_addpos = TRUE;
 	posmatch->cur = bot + 1;
 	return TRUE;
     }

src/structs.h

@@ -2439,6 +2439,8 @@ typedef struct
     linenr_T	first_lnum;	/* first lnum to search for multi-line pat */
     colnr_T	startcol; /* in win_line() points to char where HL starts */
     colnr_T	endcol;	 /* in win_line() points to char where HL ends */
+    int		is_addpos;	/* position specified directly by
+				   matchaddpos(). TRUE/FALSE */
 #ifdef FEAT_RELTIME
     proftime_T	tm;	/* for a time limit */
 #endif

src/testdir/test_match.vim

@@ -1,7 +1,7 @@
 " Test for :match, :2match, :3match, clearmatches(), getmatches(), matchadd(),
 " matchaddpos(), matcharg(), matchdelete(), matchstrpos() and setmatches().
 
-function Test_matcharg()
+function Test_match()
   highlight MyGroup1 term=bold ctermbg=red guibg=red
   highlight MyGroup2 term=italic ctermbg=green guibg=green
   highlight MyGroup3 term=underline ctermbg=blue guibg=blue
@@ -162,4 +162,28 @@ func Test_matchstrpos()
   call assert_equal(['', -1, -1, -1], matchstrpos(['vim', 'testing', 'execute'], 'img'))
 endfunc
 
+func Test_matchaddpos()
+  syntax on
+  set hlsearch
+
+  call setline(1, ['12345', 'NP'])
+  call matchaddpos('Error', [[1,2], [1,6], [2,2]])
+  redraw!
+  call assert_notequal(screenattr(2,2), 0)
+  call assert_equal(screenattr(2,2), screenattr(1,2))
+  call assert_notequal(screenattr(2,2), screenattr(1,6))
+  1
+  call matchadd('Search', 'N\|\n')
+  redraw!
+  call assert_notequal(screenattr(2,1), 0)
+  call assert_equal(screenattr(2,1), screenattr(1,6))
+  exec "norm! i0\<Esc>"
+  redraw!
+  call assert_equal(screenattr(2,2), screenattr(1,6))
+
+  nohl
+  syntax off
+  set hlsearch&
+endfunc
+
 " vim: et ts=2 sw=2

src/version.c

@@ -763,6 +763,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2217,
 /**/
     2216,
 /**/