Changes include:
* bug and portability fixes
* -c option in bmore (clear before displaying)
* -n num option in bmore (display the indicated number of lines in each
screenful
* -w num option in bmore (display the indicated number of bytes in each
line)
* autoconf 2.52
* bmore: nicer last line
Changes:
- can edit block special files
- can read/edit/write parts of files
- +cmd now works on command line
- :e# bug fixed and a buffer overflow fixed
- bmore program added to package