Re: [css3-syntax] EOF and } in at-rule preludes and selectors

On Tue, Jan 29, 2013 at 3:32 PM, Simon Sapin <simon.sapin@kozea.fr> wrote:

> Hi,
>
> A few edge cases:
>
> * EOF in selector mode should be a parse error (a {} block is missing)
> * EOF in at-rule prelude should be like ';'. A parse error for
> declarations-filled or rule-filled at-rules, but not for other at-rules:
>
> data:text/html,<style>@import "data:text/css,body{**background:green"
>
> In the example above the @import rule is valid even though it ends with
> EOF rather than ';'
>

I would not agree this is valid. Rather, its operation depends on
interoperable error handling behavior.


>
> * '}' in either mode should be like EOF, but *only* if this is nested in a
> matching '{' block such as @media {
> * An unpaired '}' in a top-level selector or at-rule prelude should be
> like ']'. It’s preserved token as far as Syntax is concerned, it’s only
> invalid in Selectors, MQ, etc.
>
>
> Maybe this last distinction is what "If the stack of open rules has three
> or more items on it, …" was about?
>
>
> --
> Simon Sapin
>
>