stream and rectangular blocks, can edit both unix and dos style files
(LF/CRLF), is binary clean, has hex mode, can edit large files and
mmap'pable devices in MAP_SHARED mode, has tunable syntax
highlighting, tunable color scheme (can use default colors), tunable
key map.
PR: 4777
Submitted by: Andrey Zakhvatov <andy@icc.surw.chel.su>
