Re: [css3] "keep aspect ratio" feature

Zack Weinberg <zweinberg@mozilla.com> wrote:
> Not a completely crazy idea, but you'd ultimately end up with one of
> these functions for every length property.  I think it'd be better to
> generalize immediately: prop('name') which evaluates to the computed
> value of the property named 'name', and can be used inside calc().

Or perhaps even prop(['selector',] name) -- one might want to get at
properties on a different element entirely.  (I think this is more
likely than for attr().)

zw