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patch 8.2.3656: Vim9: no error for an evironment variable by itself

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Problem:    Vim9: no error for an evironment variable by itself.
Solution:   Give a "without effect" error. (closes #9166)
This commit is contained in:
Bram Moolenaar
2021-11-23 14:52:06 +00:00
parent cc9d725bbb
commit 65259b5c6a
3 changed files with 13 additions and 1 deletions
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5
src/ex_eval.c
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@@ -888,7 +888,8 @@ report_discard_pending(int pending, void *value)
}
/*
* Return TRUE if "arg" is only a variable, register or option name.
* Return TRUE if "arg" is only a variable, register, environment variable or
* option name.
*/
int
cmd_is_name_only(char_u *arg)
@@ -911,6 +912,8 @@ cmd_is_name_only(char_u *arg)
if (STRNCMP("l:", p, 2) == 0 || STRNCMP("g:", p, 2) == 0)
p += 2;
}
else if (*p == '$')
++p;
get_name_len(&p, &alias, FALSE, FALSE);
}
name_only = ends_excmd2(arg, skipwhite(p));