if exists("did_man_title") | finish | endif
let did_man_title = 1

" Sets titlestring to man page's topic.
" Place in ~/.vim/ftplugin/

function! Mantitle()
    let line = getline(1)
    let man_title = matchstr(line, "\\w\\+(\\d\\w\\?)")
    let &titlestring = man_title
endfun 

call Mantitle()