On Thu, 5 Nov 2015 18:25:05 +0100 Philippe Verdy <[email protected]> wrote:
> But these extra code points could be used to represent someting else > such as unique object identifier for internal use in your > application, or virtual object pointers, or or shared memory block > handles, file/pipe/stream I/O handles, service/API handles, user ids, > security tokens, 64-bit content hashes plus some binary flags, > placeholders/references for members in an external unencoded > collection or for URIs, or internal glyph ids when converting text > for rendering with one or more fonts, or some internal serialization > of geometric shapes/colors/styles/visual effects...) No-one's claiming it is for a Unicode Transformation Format (UTF). A possibly relevant example of a something else is a non-precomposed grapheme cluster, as in Perl6's NFG. (This isn't a PUA encoding, as the precomposed characters are created on the fly.) Richard.
