Use 8 for underscore colour defaults instead of 0 which is less

confusing, and fix writing tge default colour. GitHub issue 3627.

1 files changed, 1 insertions, 1 deletions

diff --git a/input.c b/input.c
index ee31b7e1..5f2cac46 100644
--- a/input.c
+++ b/input.c
@@ -2186,7 +2186,7 @@ input_csi_dispatch_sgr(struct input_ctx *ictx)
 			gc->attr &= ~GRID_ATTR_OVERLINE;
 			break;
 		case 59:
-			gc->us = 0;
+			gc->us = 8;
 			break;
 		case 90:
 		case 91: