CS_ISO8859_1_X11: where two SBCS positions map to the same Unicode
code point, we now have a `sortpriority' hint which can tell
sbcsgen.pl which one it should preferentially generate when
converting back to SBCS.
[originally from svn r2427]
Also add the older variants described there, and the character set used by
the "VT100" font (old and new).
Since RFC 1345 defines "macintosh" to refer to the currency-sign variant
of Mac OS Roman, update our table to match.
[originally from svn r2403]
does UTF-8 copy and paste (falling back to normal strings if
necessary), it understands X font encodings and translates things
accordingly so that if you have a Unicode font you can ask for
virtually any single-byte encoding and get it (Mac-Roman pterm,
anyone?), and so on. There's work left to be done (wide fonts for
CJK spring to mind), but I reckon this is a pretty good start.
[originally from svn r2395]