bug#1727: 23.0.60; end-of-sentence and non-breaking space

[Stefan Monnier]

>> has code 160, hex a0.  But when I execute (insert "\xa0"),
>> it inserts something that displays as `\240' and for which C-x =
>> displays this:
>> 
>> Char:   (4194208, #o17777640, #x3fffa0, raw-byte) point=198 of 211
>> (93%) column=5
>> 
>> Is that a bug?  It seems quite confusing to me.

This raw-byte char is what used to be called an eight-bit-control (or
eight-bit-graphic depending on the actual value) char.

I.e. "\xa0" is treated as a string that contains the \xa0 byte (i.e. an
eight-bit-* (aka raw-byte) char) rather than the \xa0 char (a latin-1
non-breaking space).


        Stefan