[r6rs-discuss] Typo in 1.2 of r6rs-lib?

[Abdulaziz Ghuloum]

On Jan 15, 2008, at 6:58 AM, John Cowan wrote:

> The trouble is that in the interests of packing as many things into
> 256-character fonts as possible, Knuth decided to use glyph identity
> rather than character identity.  So in TeX, Latin A and Greek A are
> the same thing, and when converting to HTML, you have to make a  
> choice,
> which is always going to be Latin A.  The same is true of Greek B, H,
> I, K, M, N, O, P, T, and X.

Thanks for clarifying.  I assume this was true for the original TeX
but no longer holds for modern unicode-aware implementations (such as
xetex and xelatex), right?