code: function snap() {
              if (__snip < 0)
                  throw(new Error("Illegal call to snap(): Not snipping"));
              var snipped = __out.splice(__snip, __out.length - __snip).join('');
              __snip = -1;
              return snipped;
          }
docs: Ends a snipping operation, returning the (suppressed) output between the two calls to {@link snip} and
  this function.
  @function
  @returns {string}