<% Global.HopObject.prototype.skin %>
macro rendering a skin or displaying its source (param.as == "source")

Sourcecode in /home/hannes/helma/modules/core/HopObject.js:
44:   HopObject.prototype.skin_macro = function(param) {
45:       if (param.name) {
46:           if (param.as == "source") {
47:               var str = app.skinfiles[this._prototype][param.name];
48:               if (str && param.unwrap == "true") {
49:                   str = str.unwrap();
50:               }
51:           } else {
52:               var str = this.renderSkinAsString(param.name, param);
53:          }
54:          res.write(str);
55:      }
56:      return;
57:  }