patch 8.2.0149: maintaining a Vim9 branch separately is more work
Problem: Maintaining a Vim9 branch separately is more work.
Solution: Merge the Vim9 script changes.
diff --git a/src/vim.h b/src/vim.h
index 7ad55aa..9402c4e 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -2151,6 +2151,10 @@
USEPOPUP_HIDDEN // use info popup initially hidden
} use_popup_T;
+// Flags for assignment functions.
+#define LET_IS_CONST 1 // ":const"
+#define LET_NO_COMMAND 2 // "var = expr" without ":let" or ":const"
+
#include "ex_cmds.h" // Ex command defines
#include "spell.h" // spell checking stuff