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patch 8.2.3820: "vrc" does not replace composing characters

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Problem:    "vrc" does not replace composing characters, while "rc" does.
Solution:   Check the byte length including composing characters.
            (closes #9351)
This commit is contained in:
Bram Moolenaar
2021-12-15 21:08:50 +00:00
parent 427f065a88
commit 8ee6028de3
3 changed files with 11 additions and 2 deletions
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7
src/ops.c
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@@ -1162,12 +1162,15 @@ op_replace(oparg_T *oap, int c)
n = gchar_cursor();
if (n != NUL)
{
if ((*mb_char2len)(c) > 1 || (*mb_char2len)(n) > 1)
int new_byte_len = (*mb_char2len)(c);
int old_byte_len = mb_ptr2len(ml_get_cursor());
if (new_byte_len > 1 || old_byte_len > 1)
{
// This is slow, but it handles replacing a single-byte
// with a multi-byte and the other way around.
if (curwin->w_cursor.lnum == oap->end.lnum)
oap->end.col += (*mb_char2len)(c) - (*mb_char2len)(n);
oap->end.col += new_byte_len - old_byte_len;
replace_character(c);
}
else