patch 8.2.4505: Vim9: outdated "autocmd nested" still works
Problem: Vim9: outdated "autocmd nested" still works.
Solution: Do not accept the :autocmd argument "nested" without "++" in Vim9
script.
diff --git a/src/autocmd.c b/src/autocmd.c
index 341cf83..7eb08c8 100644
--- a/src/autocmd.c
+++ b/src/autocmd.c
@@ -921,16 +921,30 @@
if ((STRNCMP(cmd, "++nested", 8) == 0 && VIM_ISWHITE(cmd[8])))
{
if (nested)
+ {
semsg(_(e_duplicate_argument_str), "++nested");
+ return;
+ }
nested = TRUE;
cmd = skipwhite(cmd + 8);
}
- // Check for the old "nested" flag.
+ // Check for the old "nested" flag in legacy script.
if (STRNCMP(cmd, "nested", 6) == 0 && VIM_ISWHITE(cmd[6]))
{
+ if (in_vim9script())
+ {
+ // If there ever is a :nested command this error should
+ // be removed and "nested" accepted as the start of the
+ // command.
+ emsg(_(e_invalid_command_nested_did_you_mean_plusplus_nested));
+ return;
+ }
if (nested)
+ {
semsg(_(e_duplicate_argument_str), "nested");
+ return;
+ }
nested = TRUE;
cmd = skipwhite(cmd + 6);
}