au BufRead,BufNewFile *.myr set ft=myr

au BufRead,BufNewFile *.myr
            \ set ft=myr |
            \ set errorformat=%f:%l:\ %m,%D%f/%[a-z]%#...,%Dproject\ base\ %f:

Update error format to recognize new mbld output.
Update error format to recognize new mbld output.

    Several improvements to detecting locations.

oridb/mc,oridb/mc,oridb/mc,oridb/mc