Left align contents of a <pre><code> tag.

gistfile1.txt

$('pre > code').each(function(index) {
        var _this = $(this);
        var text = _this.text();
        lines = text.split(/\r\n|[\n\v\f\r\x85\u2028\u2029]/);
        indent = 0;
        var firstCharFinder = /^\s*\S/i;
        var leftTrimLength = 0;
        var contentStarted = false;
        adjusted_lines = $.map(lines, function(line, i) {
          if(!contentStarted) {
            var firstChar = firstCharFinder.exec(line)
            if(firstChar) {
              contentStarted = true;
              leftTrimLength = firstChar[0].length - 1;
              return line.substring(leftTrimLength);
            } else { 
              return ""; //empty string for line with no content
            }
          } else {
            return line.substring(leftTrimLength);
          }
        });
        _this.text(adjusted_lines.join("\n"));
      });