Convert man pages to PDF or HTML.

man-convert.sh

# convert a manpage to PDF, and open in Preview
# (in fact, man -t generates PostScript, which is converted to PDF by Preview)
function pman {
    man -t "${1}" | open -f -a /Applications/Preview.app
}

# convert a manpage to HTML and open in the browser
function bman {
    tmpfile="/tmp/bman.$RANDOM.html"
    man "${1}" | man2html > $tmpfile
    open $tmpfile
}