From: Rick McGowan (rick@unicode.org)
Date: Mon Jun 02 2003 - 14:33:56 EDT
Stefan Persson asked:
> BTW, is it possible
> to put a variation selector after another variation selector to
> obtaining even more variants?
No. The usage of variation selectors is very clearly circumscribed. The
standardized variants HTML file contains a brief synopsis:
> The tables here exhaustively lists the valid, registered combinations of
> base character plus variation indicator. All combinations not listed in
> StandardizedVariants.txt are unspecified and are reserved for future
> standardization; no conformant process may interpret them as
> standardized variants. Variation selectors and their use are described
> in The Unicode Standard.
and the TXT file itself says:
> # Warning: Only the variation sequences specifically defined in this
> file
> # are sanctioned for standard use. In all other cases the variation
> selector
> # cannot change the visual appearance of the preceding base character
> from
> # what it would have had in the absence of the variation selector.
Anything else is non-conformant.
(And of course this is only my personal opinion, etc.)
Rick
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