And while we're at it, a new patch filename quoting format is apparently
coming soon: http://marc.theaimsgroup.com/?l=git&m=112927316408690&w=2
----
-stty / catv
- stty's visible() function and catv's guts are identical. Merge them into
- an appropriate libbb function.
----
-tail
- ./busybox tail -f foo.c~ TODO
- should not print fmt=header_fmt for subsequent date >> TODO; i.e. only
- fmt+ if another (not the current) file did change
Architectural issues: