- From: Tab Atkins Jr. <jackalmage@gmail.com>
- Date: Wed, 6 Jan 2016 08:55:38 -0800
- To: "L. David Baron" <dbaron@dbaron.org>
- Cc: Daniel Glazman <daniel.glazman@disruptive-innovations.com>, www-style list <www-style@w3.org>
On Tue, Jan 5, 2016 at 10:29 PM, L. David Baron <dbaron@dbaron.org> wrote: > On Tuesday 2016-01-05 13:14 -0800, Tab Atkins Jr. wrote: >> Per <https://wiki.csswg.org/spec/limited-ranges>, requiring a positive >> length is a spec error. 0px must be valid. > > For what it's worth, it looks like the 'perspective' property and > the 'perspective()' transform function are the only places in > Gecko's CSS parser that require a positive value. (There are many > places that require a nonnegative value, and a few [1] that require > a value of 1 or more.) Yeah, non-negative and "1 or more" are both fine - they're closed ranges. It's "positive" that's problematic, because rounding makes this uncertain. ~TJ
Received on Wednesday, 6 January 2016 16:56:27 UTC