+ correct misfile in section 8
+ rewrite the document descirption to include -9660
+ markup command modifiers as such instead of bold
+ markup variables as defined variables, enabling apropos
+ correct option syntax in description section
+ unwrap list offsets for legibility
+ fix line wrapping for standard BSD console
+ crossreference cd9660(4) and vis versa
+ tag SPDX for both manuals
MFC after: 3 days