From: Peter_Constable@sil.org
Date: Mon Jun 02 2003 - 09:13:49 EDT
Jim Allen wrote on 05/30/2003 09:38:12 AM:
> See also
>
http://www.usefulcontent.org/docs/manuals/REC-MathML2-20010221/isoamso.html
> for some mathml characters and their unicode encodings.
>
> The character "empty" is encoded as U+2205 plus the variation selector
> U+FE00 and has the description "/emptyset - zero, slash" and the alias
> "emptyset".
> At
>
http://www.usefulcontent.org/docs/manuals/REC-MathML2-20010221/byalpha.html
> the entities empty and emptyset are both assigned to U+2205 followed by
> U+FE00 while emptyv is again just U+2205.
>
> That the differing forms are indicated by a variation selector indicates
> that the forms are seen to be "primarily glyphic variations" (see
> http://www.unicode.org/reports/tr25/#13_7_variation_selectors).
According to
http://www.unicode.org/Public/UNIDATA/StandardizedVariants.html, there is
no variation sequence < 2205, FE00 > defined. Somebody needs to tell the
author(s) of this page that they can't make up their own variation-selector
sequences.
- Peter
---------------------------------------------------------------------------
Peter Constable
Non-Roman Script Initiative, SIL International
7500 W. Camp Wisdom Rd., Dallas, TX 75236, USA
Tel: +1 972 708 7485
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