# manuals
ronn(1)     ronn.1.ronn
ronn(5)     ronn.5.ronn
ronn(7)     ronn.7.ronn

# external manuals
roff(7)     http://man.cx/roff(7)
grep(1)     http://man.cx/grep(1)
groff(1)    http://man.cx/groff(1)
sh(1)       http://man.cx/sh(1posix)
test(1)     http://man.cx/test(1)
fork(2)     http://man.cx/fork(2)
man(1)      http://man.cx/man(1)
markdown(7) http://daringfireball.net/projects/markdown/syntax
manpages(5) http://developer.apple.com/mac/library/documentation/Darwin/Reference/ManPages/man5/manpages.5.html