W3C home > Mailing lists > Public > www-style@w3.org > December 2015

Re: [css-values] repeated values with the double-bar (||) combinator are invalid?

From: fantasai <fantasai.lists@inkedblade.net>
Date: Thu, 3 Dec 2015 13:21:27 -0500
To: John Daggett <jdaggett@mozilla.com>, www-style <www-style@w3.org>
Message-ID: <56608827.6000600@inkedblade.net>
On 12/03/2015 06:29 AM, John Daggett wrote:
> In section 2.2 of the CSS Values spec, the double bar combinator is defined as [1]:
>    "A double bar (||) separates two or more options: one or more
>     of them must occur, in any order."
> So a || b || c implies that "a b", "b c a", and "b" are all valid.
> However, I'm not sure whether repeated values are allowed or invalid
> (e.g. "a a"). Seems like it should be invalid but I can't find any wording that
> clearly disallows this.

The wording doesn't say anywhere that you can repeat them,
it just says (literally, via grammatical transform) that
"one or more of the options separated by || must occur,
in any order"

So I think the spec is quite clear. Where would you get
the idea of repeating from?

Received on Thursday, 3 December 2015 18:22:03 UTC

This archive was generated by hypermail 2.4.0 : Monday, 23 January 2023 02:14:55 UTC