Add support for the strikethrough attribute (SGR 9), using the new smxx

terminfo capability. This means there are now nine attribute bits, so
anything above 0xff uses an extended cell.

1 files changed, 6 insertions, 0 deletions

diff --git a/input.c b/input.c
index 0e71f656..0b667390 100644
--- a/input.c
+++ b/input.c
@@ -1764,6 +1764,9 @@ input_csi_dispatch_sgr(struct input_ctx *ictx)
 		case 8:
 			gc->attr |= GRID_ATTR_HIDDEN;
 			break;
+		case 9:
+			gc->attr |= GRID_ATTR_STRIKETHROUGH;
+			break;
 		case 22:
 			gc->attr &= ~(GRID_ATTR_BRIGHT|GRID_ATTR_DIM);
 			break;
@@ -1782,6 +1785,9 @@ input_csi_dispatch_sgr(struct input_ctx *ictx)
 		case 28:
 			gc->attr &= ~GRID_ATTR_HIDDEN;
 			break;
+		case 29:
+			gc->attr &= ~GRID_ATTR_STRIKETHROUGH;
+			break;
 		case 30:
 		case 31:
 		case 32: