code: function convertAll(text, extra) {
          var result = extra.blockGamutHookCallback(text);
          // We need to perform these operations since we skip the steps in the converter
          result = unescapeSpecialChars(result);
          result = result.replace(/~D/g, "$$").replace(/~T/g, "~");
          result = extra.previousPostConversion(result);
          return result;
      }
docs: Convert internal markdown using the stock pagedown converter