Unlike less, more should use basic regular expressions.
OK schwarze@
Use volatile sig_atomic_t, not int, for the sigs variable. Also
move the call to bell() out of u_interrupt() (a signal handler).
OK and with help from deraadt@
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@
Give more(1) its own help file, shorter than the one for less(1).
The helpfile itself was prepared by jmc@, the glue by me.
OK millert@ jmc@
When invoked as more, make the -i option behave the same as less's
-I to match POSIX.  OK and man bits from jmc@
Makefile's and man pages