mdoc fixes (escape the dot to prevent ... to be considered as a macro)


git-svn-id: svn+ssh://svn.freebsd.org/base/head@276254 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
Escape Ed to prevent mandoc to avoid confusion with the mdoc's Ed macros


git-svn-id: svn+ssh://svn.freebsd.org/base/head@276255 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f