Re: Coloured diacritics (Was: Transcoding Tamil in the presence of markup)

From: jcowan@reutershealth.com
Date: Tue Dec 09 2003 - 07:40:44 EST

  • Next message: jon@hackcraft.net: "Re: Coloured diacritics (Was: Transcoding Tamil in the presence of markup)"

    Peter Kirk scripsit:

    > Anyone, please, is it or is it not true that XML forbids, or will forbid
    > in future versions, combining characters immediately after markup?

    XML 1.0 is silent on the subject.

    The W3C Character Model (which is not official yet) says that
    "content developers SHOULD avoid composing characters at the beginning
    of constructs that may be significant, such as at the beginning of an
    entity that will be included, immediately after a construct that causes
    inclusion or immediately after markup."

    XML 1.1 (which is not official yet either) references the Character
    Model and states which constructs are significant.

    The technical meaning of "SHOULD" is defined by RFC 2119: "This word
    [...] means that there may exist valid reasons in particular circumstances
    to ignore a particular item, but the full implications must be understood
    and carefully weighed before choosing a different course." 

    -- 
John Cowan  jcowan@reutershealth.com  www.reutershealth.com  www.ccil.org/~cowan
"It's the old, old story.  Droid meets droid.  Droid becomes chameleon. 
Droid loses chameleon, chameleon becomes blob, droid gets blob back
again.  It's a classic tale."  --Kryten, _Red Dwarf_

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