[tex-live] LY1

[cfrees at imapmail.org]

On Sat 14th Aug, 2010 at 23:01, Karl Berry seems to have written:

> Hi Clea,
>
>    I noticed that texnansi.enc includes germandbls twice but no SS. The
>    same is true of the 8y.etx included with fontinst. Is this intentional?
>    If so, could somebody explain the thinking behind it?
>
> As for texnansi goes, the first germandbls (at "19) is to match CM
> (thus, existing macros would work).
>
> The second (at "DF) is to match ISO Latin N encodings (thus, documents
> written in Latin 1 or whatever would work).

Thanks.

> I assume that 8y.etx was following the .enc.
>
> By the way, there is texnansx which eliminates the duplicates from
> texnansi.  (There are others besides germandbls.)
>
> As for SS, the general idea of the original TeX encodings was the exact
> opposite of (and considerably predates) Unicode: encode glyphs, not
> characters (because glyphs are what are in fonts, after all).  SS was
> not needed as a separate glyph (and doesn't exist in Latin N, either).
> SS did make it into T1 (and "extex.enc", I see), as you probably know.

I had some idea that for any encoding, TeX needing a mapping from upper
case to lower case and vice-versa. So I thought that the inclusion of
SS had to do with that and would therefore need to be in any encoding
which included germandbls. Obviously not!

Cheers,
Clea

> Best,
> karl
>