 content: 'Processing.js'; }
  pre.src-python:before { content: 'Python'; }
  pre.src-R:before { content: 'R'; }
  pre.src-ruby:before { content: 'Ruby'; }
  pre.src-sass:before { content: 'Sass'; }
  pre.src-scheme:before { content: 'Scheme'; }
  pre.src-screen:before { content: 'Gnu Screen'; }
  pre.src-sed:before { content: 'Sed'; }
  pre.src-sh:before { content: 'shell'; }
  pre.src-sql:before { content: 'SQL'; }
  pre.src-sqlite:before { content: 'SQLite'; }
  /* additional languages in org.el's org-ba