l:before { content: 'Shell Script'; }
  pre.src-ebnf2ps:before { content: 'ebfn2ps'; }
  /* additional language identifiers per "defun org-babel-execute"
       in ob-*.el */
  pre.src-cpp:before  { content: 'C++'; }
  pre.src-abc:before  { content: 'ABC'; }
  pre.src-coq:before  { content: 'Coq'; }
  pre.src-groovy:before  { content: 'Groovy'; }
  /* additional language identifiers from org-babel-shell-names in
     ob-shell.el: ob-shell is the only babel language using a lambda to put
     the execution f