Re: HiDPI support for wave style underlines

[Eli Zaretskii]

> From: Yuri D'Elia <address@hidden>
> Date: Mon, 21 Aug 2017 14:32:07 +0200
> 
> On Mon, Aug 21 2017, Yuri D'Elia wrote:
> > I actually get a floating point exception with this since I rebuilt
> > emacs on the 19th. I'm rebuilding emacs now with debug to check where
> > it's located, but I pinpointed it to flyspell so...
> 
> Thread 1 "emacs" received signal SIGFPE, Arithmetic exception.
> 0x00000000005181a3 in x_draw_underwave (s=0x7fffffffbe20) at xterm.c:3541
> 3541    x1 = x0 - (x0 % dx);
> (gdb) where
> #0  0x00000000005181a3 in x_draw_underwave (s=0x7fffffffbe20) at xterm.c:3541
> #1  0x0000000000518877 in x_draw_glyph_string (s=0x7fffffffbe20) at 
> xterm.c:3685
> #2  0x00000000004805d4 in draw_glyphs (w=0x148dc30 <bss_sbrk_buffer+8070032>, 
> x=233, row=0x2eda080, area=TEXT_AREA, start=7, end=26, hl=DRAW_NORMAL_TEXT, 
> overlaps=0) at xdisp.c:26595
> (gdb) p dx
> $1 = 0

Thanks, I tried to correct this with an obvious fix.