Re: CSS3 Text and UAX14

From: fantasai (
Date: Tue Feb 20 2007 - 07:34:16 CST

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    fantasai wrote:
    > Anne van Kesteren wrote:
    > >
    > > On Tue, 20 Feb 2007 11:22:23 +0100, fantasai
    > > <> wrote:
    > >> Your argument has convinced me that CSS3 Text should be normatively
    > >> requiring the correct implementation of UAX14's normative line breaking
    > >> classes.
    > >
    > >
    > Yep. But there's no reason the behavior specified in UAX14 for mandatory
    > breaks (CR, LF, NEL, etc) shouldn't be required. For CSS3 Text, the
    > behavior specified for BK, CR, LF, CM, NL classes can, I think, be safely
    > required in all cases. The behavior for WJ, ZW, and GL should be required
    > in normal text wrapping. I don't think we care about SG either way.

    I've added to the definition of 'text-wrap: normal':
       "Line breaking behavior defined for the WJ, ZW, and GL line-breaking
        classes in [UAX14] must be honored."

    And to the definition of 'text-wrap' generally:
       "For all values, line-breaking behavior defined for the BK, CR, LF,
        CM NL, and SG line breaking classes in [UAX14] must be honored."

    That covers all the non-tailorable classes except for SP.


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