Tag characters and in-line graphics (from Tag characters)

Philippe Verdy verdy_p at wanadoo.fr
Sat May 30 13:50:21 CDT 2015

2015-05-30 10:47 GMT+02:00 William_J_G Overington <wjgo_10009 at btinternet.com

> Responding to Doug Ewell:
> > I think this cuts to the heart of what people have been trying to say
> all along.
> > Historically, Unicode was not meant to be the means by which brand new
> ideas are run up the proverbial flagpole to see if they will gain traction.
> History is interesting and can be a good guide, yet many things that are
> an accepted part of Unicode today started as new ideas that gained traction
> and became implemented. So history should not be allowed to be a reason to
> restrict progress.
> For example, there was the extension from 1 plane to 17 planes.

Actually this was a restriction of the UCS to *only* 17 planes. Before that
the UCS contained 31-bit code points, i.e. 32768 planes !

If you're speaking about the old Unicode 1.0 it was then still not the UCS
and it was then incompatible with the UCS for many important parts, and the
initial targets of Unicode was only to have an "industry standard"
immediately usable between a few software providers (Unicode 1.0 was then
not an international standard, forget it !).
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