Re: [css3-values] multiplying and dividing complex units in calc?

On 9 March 2012 06:29, Tab Atkins Jr. <jackalmage@gmail.com> wrote:

> On Thu, Mar 8, 2012 at 11:21 AM, Chris Eppstein <chris@eppsteins.net>
> wrote:
> > On Thu, Mar 8, 2012 at 11:13 AM, Tab Atkins Jr. <jackalmage@gmail.com>
> > wrote:
> >> We don't have this yet; unit algebra means you can run into division by
> >> zero that can't be detected until computed or used value time, so it's
> too
> >> late to treat as a syntax error.
> >
> > Can you provide an example of this?
>
> width: calc(100px / (50% - 100px) )
>
> If layout ends up with 100% = 200px, this will produce a division by zero.


I had thought that you could only divide by a number -
http://www.w3.org/TR/css3-values/#calc currently says "At ‘/’, check that
the right side is ‘<number>’; resolve to the type of the left side.".