ISO 8859-1 C1 set in RFC 2157 (was: For review: Migrating to Unicode)

>| For ISO 8859-1, the relevant escape sequence will be:
>|  ESC 28 42
>|        ASCII in G0
>|  ESC 2D 41
>|        ISO-IR-100 in G1
>|  ESC 21 41
>|        High control character set in C1
>|  ESC 7E
>|        Locking shift 1 Right

> That binds 94 char.s from ISO-IR 6 (left hand part) as G0,
> 96 char.s from ISO-IR 100 (right hand part) as G1.  The
> ESC 21 41 could be a typo, and should be ESC 22 43 for 
> ISO-IR 77 (?)  I'll ask Harald if that is an erratum.  

It was a typo, ISO-IR 7 instead of ISO-IR 77, now fixed,
compare <http://rfc-editor.org/errata_search.php?rfc=2157>

 Frank