/**
 * Remove one level of line-leading tabs or spaces
 */
showdown.subParser('outdent', function (text) {
  'use strict';

  // attacklab: hack around Konqueror 3.5.4 bug:
  // "----------bug".replace(/^-/g,"") == "bug"
  text = text.replace(/^(\t|[ ]{1,4})/gm, '~0'); // attacklab: g_tab_width

  // attacklab: clean up hack
  text = text.replace(/~0/g, '');

  return text;
});