[media-types] Re: Review request for updated registration of text/css

Chris Lilley <[email protected]> Tue, 21 Apr 2026 15:48:11 -0400
Newsgroups gmane.ietf.types
Message-ID <[email protected]>
Amanda,

All the review comments on the updated registration request for text/css 
have been addressed to the satisfaction of those commenting.

What is the next step for updated registration?

On 2026-03-26 18:50, Chris Lilley wrote:
>
> The new template (with public.css added):
>
> Type name: text
>
> Subtype name: css
>
> Required parameters: none
>
> Optional parameters: charset (but see below)
>
> Encoding considerations:
>
>    For use with transports that are not 8-bit clean, quoted-
>    printable encoding is recommended since the majority of
>    characters will be CSS syntax and thus correspond to the
>    US-ASCII-compatible subrange of UTF-8.
>
> Security considerations:
>
>    CSS is a modular specification and thus, the individual
>    Security Considerations section of each CSS module in use
>    should be consulted.
>
> Interoperability considerations:
>
>    CSS has proven to be widely interoperable across computer
>    platforms, across Web browsers of different makes, and for import
>    and export in multiple authoring tools.
>
> Published specification:
>
>    https://www.w3.org/TR/css
>
> Applications that use this media type:
>
>    CSS is device-, platform- and vendor-neutral and is supported by
>    a wide range of Web user agents and authoring tools for
>    formatting HTML documents.
>
> Fragment identifier considerations:
>
>    N/A
>
> Additional information:
>
>    Deprecated alias names for this type: N/A
>    Magic number(s): N/A
>    File extension(s): .css
>    macOS Uniform Type Identifier(s): public.css
>    Windows clipboard name(s): N/A
>
> Person & email address to contact for further information:
>
>    The W3C CSS Working Group<[email protected]>
>
> Intended usage:
>
>    COMMON
>
> Restrictions on usage:
>
>    N/A
>
> Author: The W3C CSS Working Group
>
> Change controller: W3C
>
> Fallback encoding:
>
>    For Web compatibility, to determine the character encoding,
>    user agents follow the CSS Syntax Level 3 specification,
>    "To determine the fallback encoding of a stylesheet"
>    https://www.w3.org/TR/css-syntax-3/#determine-the-fallback-encoding
>
>    Stylesheet authors should author their stylesheets in UTF-8, and
>    ensure that either an HTTP header (or equivalent method) declares
>    the encoding of the stylesheet to be UTF-8, or that the referring
>    document declares its encoding to be UTF-8.
>
> -- 
> Chris Lilley
> @[email protected]
> W3C Distinguished Expert, Color, Graphics & Fonts
> W3C Technical Programming Team, Core Web Design
>
> _______________________________________________
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-- 
Chris Lilley
@[email protected]
W3C Distinguished Expert, Color, Graphics & Fonts
W3C Technical Programming Team, Core Web Design

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