0.4 pl1
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Split process into two again.The slow display speed occurs in 0.4 is solved.

0.5
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(1) Fix the bugs about root shell
(2) seperate system dependent code from chinese.c.The port is much easy now.
    Please see PORTABLE.DOC
(3) add two perl script tit2def.perl tit2phone.perl for translating cxterm
    *.tit file to .def or phone file.
(4) Add Mule ISO2202 character set support.Because BIG5 is not registered
    in ISO2002, the form is private to Mule.
(5) other minor bugs fix.
