Fix rendering with mandoc


git-svn-id: svn+ssh://svn.freebsd.org/base/head@274934 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
Fix rendering with mandoc


git-svn-id: svn+ssh://svn.freebsd.org/base/head@274935 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
Fix the negation (!) operator so that it binds only to the word that
immediately follows it, which means 'not' has to be reset every time an
option word or device name is processed.


git-svn-id: svn+ssh://svn.freebsd.org/base/head@274936 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f