[vte/wip/egmont/bidi: 31/76] prepare draw_cells for a likely forthcoming change

[Egmont Koblinger <egmontkob src gnome org>]

commit b9d4cdd4df1c211a3b119e7d2b2816e85e4223c7
Author: Egmont Koblinger <egmont gmail com>
Date:   Fri Aug 24 12:27:18 2018 +0200

    prepare draw_cells for a likely forthcoming change

 src/vte.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/vte.cc b/src/vte.cc
index 37a42474..fbceaafe 100644
--- a/src/vte.cc
+++ b/src/vte.cc
@@ -8439,7 +8439,7 @@ Terminal::draw_cells(struct _vte_draw_text_request *items,
                columns = 0;
                x = items[i].x;
                y = items[i].y;
-                /* Items are not necessarily contiguous. */
+                /* Items are not necessarily contiguous in LTR order. Combine the ones that form an LTR run. 
*/
                 for (; i < n && items[i].x == x + columns * column_width && items[i].y == y; i++) {
                        columns += items[i].columns;
                }
@@ -8480,7 +8480,7 @@ Terminal::draw_cells(struct _vte_draw_text_request *items,
                do {
                        x = items[i].x;
                        y = items[i].y;
-                        /* Items are not necessarily contiguous. */
+                        /* Items are not necessarily contiguous in LTR order. Combine the ones that form an 
LTR run. */
                         for (columns = 0; i < n && items[i].x == x + columns * column_width && items[i].y == 
y; i++) {
                                columns += items[i].columns;
                        }