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patch 9.0.1077: can add text property with negative ID before virtual text

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Problem:    Can add text property with negative ID before virtual text
            property.
Solution:   Remember that a text property with a negative ID was used and give
            an appropriate error message. (closes #11725)
            Fix index computation.
This commit is contained in:
Bram Moolenaar
2022-12-19 13:31:06 +00:00
parent 8efdcee02e
commit 4ce1f99a2d
7 changed files with 86 additions and 4 deletions
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2
src/charset.c
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@@ -1181,7 +1181,7 @@ win_lbr_chartabsize(
? col == 0
: (s[0] == NUL || s[1] == NUL)
&& cts->cts_with_trailing)))
&& tp->tp_id - 1 < gap->ga_len)
&& -tp->tp_id - 1 < gap->ga_len)
{
char_u *p = ((char_u **)gap->ga_data)[-tp->tp_id - 1];