[csswg-drafts] [css-syntax] Adding an at-rule to a list of rules comes with an unexpected caveat from Perelandric via GitHub on 2017-09-30 (public-css-archive@w3.org from September 2017)

From: Perelandric via GitHub <sysbot+gh@w3.org>
Date: Sat, 30 Sep 2017 14:43:19 +0000
To: public-css-archive@w3.org
Message-ID: <issues.opened-261848195-1506782585-sysbot+gh@w3.org>

Perelandric has just created a new issue for https://github.com/w3c/csswg-drafts:

== [css-syntax]  Adding an at-rule to a list of rules comes with an unexpected caveat ==
[5.4.1. Consume a list of rules](https://drafts.csswg.org/css-syntax/#consume-list-of-rules)

The instruction to consume an *at-rule* currently states:

>&lt;at-keyword-token&gt;
>    Reconsume the current input token. Consume an at-rule. **If anything is returned,** append it to the list of rules. 

The caveat *"if anything is returned"* is unexpected since [5.4.2. Consume an at-rule](https://drafts.csswg.org/css-syntax/#consume-an-at-rule) always returns an *at-rule*, and never gives instruction to *"return nothing"*, even upon a *parse error*. Since this caveat does not appear elsewhere, I suspect it was included accidentally.


Please view or discuss this issue at https://github.com/w3c/csswg-drafts/issues/1839 using your GitHub account

Received on Saturday, 30 September 2017 14:43:08 UTC