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patch 8.2.3347: check for legacy script is incomplete

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Problem:    Check for legacy script is incomplete. (Naohiro Ono)
Solution:   Also check the :legacy modifier.  Use for string concatenation
            with "." and others (issue #8756)
This commit is contained in:
Bram Moolenaar
2021-08-15 13:49:42 +02:00
parent 2596a4e763
commit dd9de50f42
9 changed files with 77 additions and 9 deletions
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4
src/evalvars.c
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@@ -774,7 +774,7 @@ ex_let(exarg_T *eap)
--argend;
expr = skipwhite(argend);
concat = expr[0] == '.'
&& ((expr[1] == '=' && current_sctx.sc_version < 2)
&& ((expr[1] == '=' && in_old_script(2))
|| (expr[1] == '.' && expr[2] == '='));
has_assign = *expr == '=' || (vim_strchr((char_u *)"+-*/%", *expr) != NULL
&& expr[1] == '=');
@@ -2932,7 +2932,7 @@ find_var_ht(char_u *name, char_u **varname)
// "version" is "v:version" in all scopes if scriptversion < 3.
// Same for a few other variables marked with VV_COMPAT.
if (current_sctx.sc_version < 3)
if (in_old_script(3))
{
hi = hash_find(&compat_hashtab, name);
if (!HASHITEM_EMPTY(hi))