patch 8.1.1276: cannot combine text properties with syntax highlighting
Problem: Cannot combine text properties with syntax highlighting.
Solution: Add the "combine" field to prop_type_add(). (closes #4343)
diff --git a/src/structs.h b/src/structs.h
index c992e2a..fa8a765 100644
--- a/src/structs.h
+++ b/src/structs.h
@@ -727,6 +727,7 @@
#define PT_FLAG_INS_START_INCL 1 // insert at start included in property
#define PT_FLAG_INS_END_INCL 2 // insert at end included in property
+#define PT_FLAG_COMBINE 4 // combine with syntax highlight
// Sign group
typedef struct signgroup_S