Make SGR 6 (rapid blink) the same as SGR 5 (blink) and make SGR 21 to

the same as SGR 4:2, it is an old alternative. GitHub issue 2567.

diff --git a/usr.bin/tmux/input.c b/usr.bin/tmux/input.c
index 862eb9a..cbf25b2 100644 (file)
--- a/usr.bin/tmux/input.c
+++ b/usr.bin/tmux/input.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: input.c,v 1.186 2021/02/15 09:39:38 nicm Exp $ */
+/* $OpenBSD: input.c,v 1.187 2021/02/15 14:22:35 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -2101,6 +2101,7 @@ input_csi_dispatch_sgr(struct input_ctx *ictx)
                        gc->attr |= GRID_ATTR_UNDERSCORE;
                        break;
                case 5:
+               case 6:
                        gc->attr |= GRID_ATTR_BLINK;
                        break;
                case 7:
@@ -2112,6 +2113,10 @@ input_csi_dispatch_sgr(struct input_ctx *ictx)
                case 9:
                        gc->attr |= GRID_ATTR_STRIKETHROUGH;
                        break;
+               case 21:
+                       gc->attr &= ~GRID_ATTR_ALL_UNDERSCORE;
+                       gc->attr |= GRID_ATTR_UNDERSCORE_2;
+                       break;
                case 22:
                        gc->attr &= ~(GRID_ATTR_BRIGHT|GRID_ATTR_DIM);
                        break;