[XeTeX] potential new feature: \XeTeXgenerateactualtext

[Akira Kakuto]

>> SumatraPDF on windows 10 was similar to Foxit Reader - using the glyph stream
>> instead of the actualtext - in case of devanagari text.

> Thanks a lot for correcting my mistake.

I confirmed by using accsupp package by Heiko that
SumatraPDF on windows does not use the ActualText for
"select, copy&paste", but use the glyph stream.
Thank you again ShreeDevi Kumar.

Best,
Akira