bug#26742: Display bug with composed strings

[Andreas Schwab]

On Mai 04 2017, YAMAMOTO Mitsuharu <mituharu@math.s.chiba-u.ac.jp> wrote:

> diff --git a/src/xdisp.c b/src/xdisp.c
> index e3315c4..ed88f4c 100644
> --- a/src/xdisp.c
> +++ b/src/xdisp.c
> @@ -24711,7 +24725,8 @@ compute_overhangs_and_x (struct glyph_string *s, int 
> x, int backward_p)
>       {
>         if (FRAME_RIF (s->f)->compute_glyph_string_overhangs)
>           FRAME_RIF (s->f)->compute_glyph_string_overhangs (s);
> -       x -= s->width;
> +       if (!s->cmp || s->cmp_to == s->cmp->glyph_len)
> +         x -= s->width;
>         s->x = x;
>         s = s->prev;
>       }
> @@ -24723,7 +24738,8 @@ compute_overhangs_and_x (struct glyph_string *s, int 
> x, int backward_p)
>         if (FRAME_RIF (s->f)->compute_glyph_string_overhangs)
>           FRAME_RIF (s->f)->compute_glyph_string_overhangs (s);
>         s->x = x;
> -       x += s->width;
> +       if (!s->cmp || s->cmp_to == s->cmp->glyph_len)
> +         x += s->width;
>         s = s->next;
>       }
>      }

That fixes the ghost character.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
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