Deny requests to display interactive help unless we can be really sure
that they actually result from the user interactively asking for help.
Help requests originating from various other sources caused infinite loops.
OK millert@ "better than getting stuck in a help loop (sweet irony ;)" jmc@
Make more(1) POSIX compliant with respect to the -e option.
By default, "more" now works like "less -e", and "more -e" now
works like "less -E", and more never exits just because the file
fits on the first screen, like "less -F" would.

While documenting this, add some text to the DESCRIPTION explaining
how paging works.  That allows a very concise description of -e.

code change ok millert@
manual page joint work with and ok jmc@
Makefile's
add man page from OpenBSD