patch 8.0.1038: strike-through text not supported
Problem: Strike-through text not supported.
Solution: Add support for the "strikethrough" attribute. (Christian
Brabandt, Ken Takata)
diff --git a/src/vim.h b/src/vim.h
index 7fea70b..77081e2 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -681,7 +681,8 @@
#define HL_UNDERCURL 0x10
#define HL_STANDOUT 0x20
#define HL_NOCOMBINE 0x40
-#define HL_ALL 0x7f
+#define HL_STRIKETHROUGH 0x80
+#define HL_ALL 0xff
/* special attribute addition: Put message in history */
#define MSG_HIST 0x1000