...could live with that. For external storage UTF8 or UTF16 would be better, but for...

...an UTF8 stream and will only fully display correctly on devices that understand UTF8 streams...

...D wants to treat its strings in UTF8 or UTF16 form it should
| provide methods...

...of 'utf8' like this: typedef ubyte[] utf8;

Intrinsic conversion routines like:
wchar[] str = "?????? ???"; // utf8  ("Hello...

...look like as:

char    - element of utf8 sequence. char[] - utf8 encoded unicode sequence.
wchar - element...

Just a thought: how about naming those utf8, utf16, utf32, instead?

Heck; don't do...

...cextended   comp80_t  // /

Character: (std.stdutf)
   char        utf8_t  // \x00-\x7F (ASCII)
  wchar       utf16_t...

...use these if *manipulating* characters in a utf8 or utf16 string.

'long term' meaning ??? Disk...

...in utf8 are variable length, but are fixed length in utf32.

So if using utf8...

...for future use)

Character: (std.stdutf)
   char       utf8_t    // UTF-8  \x00-\x7F (ASCII)
  wchar...