if exists('b:fragmentFile')
    let mainfname = fnameescape(expand('%:p:t'))

    let mainfname = substitute(mainfname,'(', '\(','g')
    let mainfname = substitute(mainfname,')', '\)','g')
    let mainfname = substitute(mainfname,',', '\,','g')

    call Tex_CD(expand('%:p:h'))
else
    let mainfname = fnameescape(Tex_GetMainFileName(':p:t'))

    let mainfname = substitute(mainfname,'(', '\(','g')
    let mainfname = substitute(mainfname,')', '\)','g')
    let mainfname = substitute(mainfname,',', '\,','g')