Advanced rendering in experimental

[Vladimir 'φ-coder/phcoder' Serbinenko]

Hello, I've just merged some more rendering support into experimental.
Now kernel is limited to ascii and whole unicode support is moved to
normal.mod. This allows size reduction and having less limits on size of
unicode support
-RTL scripts like Arabic, Hebrew, Syriac, N'ko and Thaana including
shaping and vocalisations are supported. But ligatures aren't supported
yet. So instead of سلام  you will get سل‍‌‍ام .
-Added support for common types of diacritics so combining characters
should mostly work
-Better word wrapping and line counting
I haven't read read all the Unicode documents andcomments of the type
"sequence A+B+C" is rendered incorrectly are welcome as long as it's not
about yet unsupported type of script (e.g. Indic scripts)

-- 
Regards
Vladimir 'φ-coder/phcoder' Serbinenko

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