[rbanffy]

They shouldn't show as visual representations, but some "ASCII" charts show the IBM PC character set instead of the ASCII set. IIRC, up to 0xFF UTF-8 and 8859 are very close with the exceptions being the UTF-8 escapes for the longer characters.

[gschizas]

There's no 0x80-0xFF in the UTF-8 encoding. Only up to 0x7F (127) it's the same.