bug#23595: 25.1.50; file with chinese/japanse chars, vc-diff fails (HG, Git, RCS)

[Uwe Brauer]

>>> "Eli" == Eli Zaretskii <eliz@gnu.org> writes:
   >> Right, I see, that was just 2 chars in a document which contained
   >> latin-1 or UTF8. So Chinese and Japanese programmers are in a
   >> disadvantage, no?

   > Why?  UTF-8 supports Chinese just fine.

Now I am confused. In my poor understanding I thought UTF-16 is needed
for Chinese and Japanese. That seems not to be the case?!

So the problem I reported was caused by the fact that I used UTF-16
instead of UTF-8?