- From: Simon Sapin <simon.sapin@exyr.org>
- Date: Thu, 17 Sep 2015 15:27:36 +0200
- To: www-style@w3.org
On 17/09/15 15:06, Peter Moulder wrote:
> The following recent change to css2/syndata:
>
> -ruleset : selector? '{' S* declaration? [ ';' S* declaration? ]* '}' S*;
> +ruleset : selector? '{' S* declaration-list '}' S*;
> +declaration-list: declaration [ ';' S* declaration-list ]?
> + | at-rule declaration-list
> + | /* empty */;
> ...
> declaration : property S* ':' S* value;
>
> has the effect that leading semicolons and consecutive semicolons
> within a ruleset block no longer conform to the core grammar.
>
> Is this intentional? It seems a bit late to be changing the
> conformance of so common an occurrence (e.g. due to commenting
> out a declaration), even if error recovery means it doesn't
> make a difference to web browser behaviour. (It might also
> require re-examining css2 statement of error recovery behaviour
> for this case.)
This is not intentional. I think it can be fixed by replacing
declaration with declaration? in the definition of declaration-list.
--
Simon Sapin
Received on Thursday, 17 September 2015 13:28:08 UTC