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vim-patch:8.0.0380: with 'linebreak' double wide char wraps badly

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Problem:    With 'linebreak' set and 'breakat' includes ">" a double-wide
            character results in "<<" displayed.
Solution:   Check for the character not to be replaced. (Ozaki Kiichi,
            closes vim/vim#1456)

38632faf63
This commit is contained in:
ckelsel
2018-01-14 20:50:05 +08:00
parent 9ddeb6e187
commit 4b8d6caf48
2 changed files with 40 additions and 13 deletions
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26
src/nvim/screen.c
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@@ -3143,14 +3143,15 @@ win_line (
}
--n_extra;
} else {
int c0;
if (p_extra_free != NULL) {
xfree(p_extra_free);
p_extra_free = NULL;
}
/*
* Get a character from the line itself.
*/
c = *ptr;
// Get a character from the line itself.
c0 = c = *ptr;
if (has_mbyte) {
mb_c = c;
if (enc_utf8) {
@@ -3160,11 +3161,12 @@ win_line (
mb_utf8 = FALSE;
if (mb_l > 1) {
mb_c = utfc_ptr2char(ptr, u8cc);
/* Overlong encoded ASCII or ASCII with composing char
* is displayed normally, except a NUL. */
if (mb_c < 0x80)
c = mb_c;
mb_utf8 = TRUE;
// Overlong encoded ASCII or ASCII with composing char
// is displayed normally, except a NUL.
if (mb_c < 0x80) {
c0 = c = mb_c;
}
mb_utf8 = true;
/* At start of the line we can have a composing char.
* Draw it as a space with a composing char. */
@@ -3428,10 +3430,8 @@ win_line (
char_attr = hl_combine_attr(char_attr, term_attrs[vcol]);
}
/*
* Found last space before word: check for line break.
*/
if (wp->w_p_lbr && vim_isbreak(c) && !vim_isbreak(*ptr)) {
// Found last space before word: check for line break.
if (wp->w_p_lbr && c0 == c && vim_isbreak(c) && !vim_isbreak(*ptr)) {
int mb_off = has_mbyte ? (*mb_head_off)(line, ptr - 1) : 0;
char_u *p = ptr - (mb_off + 1);
// TODO: is passing p for start of the line OK?