patch 8.2.3645: Vim9: The "no effect" error is not given for all registers
Problem: Vim9: The "no effect" error is not given for all registers.
Solution: Include any character following '@'. (closes #8779)
diff --git a/src/ex_eval.c b/src/ex_eval.c
index 1f66e33..d80500e 100644
--- a/src/ex_eval.c
+++ b/src/ex_eval.c
@@ -887,22 +887,32 @@
}
}
+/*
+ * Return TRUE if "arg" is only a variable, register or option name.
+ */
int
cmd_is_name_only(char_u *arg)
{
char_u *p = arg;
- char_u *alias;
+ char_u *alias = NULL;
int name_only = FALSE;
- if (*p == '&')
+ if (*p == '@')
{
++p;
- if (STRNCMP("l:", p, 2) == 0 || STRNCMP("g:", p, 2) == 0)
- p += 2;
+ if (*p != NUL)
+ ++p;
}
- else if (*p == '@')
- ++p;
- get_name_len(&p, &alias, FALSE, FALSE);
+ else
+ {
+ if (*p == '&')
+ {
+ ++p;
+ if (STRNCMP("l:", p, 2) == 0 || STRNCMP("g:", p, 2) == 0)
+ p += 2;
+ }
+ get_name_len(&p, &alias, FALSE, FALSE);
+ }
name_only = ends_excmd2(arg, skipwhite(p));
vim_free(alias);
return name_only;