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Fix UTF-8 combining characters in column 0, based on a diff from Keith

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Winstein.
This commit is contained in:
nicm 2017-04-29 21:27:46 +00:00
parent 0f2f783584
commit a2dd7daf4e
1 changed files with 2 additions and 2 deletions
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4
screen-write.c
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@ -1316,12 +1316,12 @@ screen_write_combine(struct screen_write_ctx *ctx, const struct utf8_data *ud,
fatalx("UTF-8 data empty");
/* Retrieve the previous cell. */
for (n = 1; n < s->cx; n++) {
for (n = 1; n <= s->cx; n++) {
grid_view_get_cell(gd, s->cx - n, s->cy, &gc);
if (~gc.flags & GRID_FLAG_PADDING)
break;
}
if (n == s->cx)
if (n > s->cx)
return (NULL);
*xx = s->cx - n;