[PATCH] Fix Unicode handling in :INVERT readtable and :CASE :COMMON pathnames

[Vladimir Sedach]

The next problem is that printing of Unicode symbol names does not
work correctly. You can see this by trying:

(format nil "~A" (read-from-string "абракадабра"))

I do not understand enough about ECL's printing code yet to figure
out which part of the symbol printing code is doing the wrong thing,
and what the fix would be. I appreciate any help.

Attached are two test cases where this issue surfaces, that build on
the previous patches.

--
Vladimir Sedach
Software engineering services in Los Angeles https://oneofus.la

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