K 10
svn:author
V 7
delphij
K 8
svn:date
V 27
2010-02-04T18:43:05.581868Z
K 7
svn:log
V 206
Use libedit when interacting with tty, which provided history
functionality, etc. as did by GNU bc.

This also fixes an issue where BSDL bc can not handle very long
line.

Reported by:	imp
Reviewed by:	imp

END