ctags + vim tagbar for the Literate project.

.ctags

--langdef=literate
--langmap=literate:+.lit
--regex-literate=/^@s[ \t]+(.+)/\1/s,section/i
--regex-literate=/^---[ \t](.+)/\1/c,code/i
--regex-literate=/@{(.*)}/\1/i,includes/i

init.vim

let g:tagbar_type_literate = {
    \ 'ctagstype' : 'literate',
    \ 'kinds' : [
        \ 's:section',
        \ 'c:code',
        \ 'i:includes'
    \ ]
\ }