Re: emacs-29 dc78779c0c: Fix SVG scaling (bug#59802)

[Eli Zaretskii]

> From: Po Lu <luangruo@yahoo.com>
> Cc: Manuel Giraud <manuel@ledu-giraud.fr>
> Date: Sat, 17 Dec 2022 09:26:08 +0800
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > +     if (! (0 < viewbox_width) && (iwidth.unit == RSVG_UNIT_PERCENT))
> > +       viewbox_width = (viewbox_height * viewbox.width / viewbox.height)
> > +         * iwidth.length;
> > +     else if (! (0 < viewbox_height) && (iheight.unit == 
> > RSVG_UNIT_PERCENT))
> > +       viewbox_height = (viewbox_width * viewbox.height / viewbox.width)
> > +         * iheight.length;
> 
> Our style is to write:
> 
>   viewbox_width = ((viewbox_height * viewbox.width / viewbox.height)
>                  * iwidth.length);
> 
> and not:
> 
>   viewbox_width = (viewbox_height * viewbox.width / viewbox.height)
>     * iwidth.length;

There's nothing wrong with the original style, although I agree that
using extra parentheses makes it more plausible.  There's no reason to
be so stringent in insisting on the other style.