From: Ruszlan Gaszanov (firstname.lastname@example.org)
Date: Sun Jan 21 2007 - 11:41:13 CST
Adam Twardoch wrote:
> If you define part of the PUA as non-character PUA in future, what will
> you do with applications and uses that currently use those PUA
> codepoints for character purposes? Will these applications and the
> existing documents suddenly become Unicode non-compliant?
This is mainly about requiring the applications, which want to be complient with the new version of the standard, to restrict their internal use of PUA to specific ranges only. People who used such code points for private characters, would be no worse off then before - since they are not guaranteed now that some application does not use one of those codepoints for something else. However, people would have an option to use "character-safe" PUA code points for private characters and be sure that no application complient with the new version of the standard is going to screw them up. Again, using texts with such "safe" PUA characters in older applications would be hazardous, but no more so, that using *any* PUA characters in *any* application under the current standard.
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