Use document.currentScript.ownerDocument

[warpech]

In nineties-under-construction.html, I noticed that a hack is used to access the imported document:

var ucImport = document.querySelector('link[href*=under-construction]').import;

This doesn't work for me when an import is requested from another import.

Would you consider replacing it with this snippet that works in such case and is recommented by the Polymer team:

var ucImport;
if (document._currentScript) {
  //@see http://www.polymer-project.org/platform/html-imports.html
  //@see https://groups.google.com/d/topic/polymer-dev/4UKty9tb1-s/discussion 
  ucImport = document._currentScript.ownerDocument;
}
else {
  ucImport = document.currentScript.ownerDocument;
}

Great job btw! Funny and teaching at the same time.