Fix #118: clarify documentURI/URL and baseURI return a serialized value

dom.bs

@@ -3055,7 +3055,7 @@ the first matching statement, switching on the <a>context object</a>:
 </dl>
 
 The <dfn attribute for=Node><code>baseURI</code></dfn> attribute's getter must return
-<a>node document</a>'s <a>base URL</a>.
+<a>node document</a>'s <a>base URL</a>, <a lt="URL serializer" spec=url>serialized</a>.
 
 <hr>
 
@@ -4085,9 +4085,9 @@ The
 attribute must return the {{DOMImplementation}} object that is
 associated with the <a>document</a>.
 
-The <dfn attribute for="Document">URL</dfn> and
-<dfn attribute for="Document">documentURI</dfn>
-attributes must return the <a for=Document>URL</a>.
+The <dfn attribute for="Document"><code>URL</code></dfn> and
+<dfn attribute for="Document"><code>documentURI</code></dfn> attributes' getters must return the
+<a for=Document>URL</a>, <a lt="URL serializer" spec=url>serialized</a>.
 
 The <dfn attribute for="Document">origin</dfn>
 attribute must return the

dom.html

@@ -1750,7 +1750,7 @@ <h3 class="heading settled" data-level="4.4" id="interface-node"><span class="se
     <dt><code><var>node</var> . <code class="idl"><a data-link-type="idl" href="#dom-node-baseuri">baseURI</a></code></code> 
     <dd>Returns <var>node</var>’s <a data-link-type="dfn" href="#concept-node-document">node document</a>’s <a data-link-type="dfn" href="#concept-document-base-url">base URL</a>. 
    </dl>
-   <p>The <dfn class="idl-code" data-dfn-for="Node" data-dfn-type="attribute" data-export="" id="dom-node-baseuri"><code>baseURI</code><a class="self-link" href="#dom-node-baseuri"></a></dfn> attribute’s getter must return <a data-link-type="dfn" href="#concept-node-document">node document</a>’s <a data-link-type="dfn" href="#concept-document-base-url">base URL</a>.</p>
+   <p>The <dfn class="idl-code" data-dfn-for="Node" data-dfn-type="attribute" data-export="" id="dom-node-baseuri"><code>baseURI</code><a class="self-link" href="#dom-node-baseuri"></a></dfn> attribute’s getter must return <a data-link-type="dfn" href="#concept-node-document">node document</a>’s <a data-link-type="dfn" href="#concept-document-base-url">base URL</a>, <a data-link-type="dfn" href="https://url.spec.whatwg.org/#concept-url-serializer">serialized</a>.</p>
    <hr>
    <dl class="domintro">
     <dt><code><var>node</var> . <code class="idl"><a data-link-type="idl" href="#dom-node-ownerdocument">ownerDocument</a></code></code> 
@@ -2220,7 +2220,7 @@ <h3 class="heading settled" data-level="4.5" id="interface-document"><span class
    <p class="note no-backref" role="note">Unlike <code class="idl"><a data-link-type="idl" href="#dom-domimplementation-createdocument">createDocument()</a></code> this constructor does not return an <code class="idl"><a data-link-type="idl" href="#xmldocument">XMLDocument</a></code> object, but a <a data-link-type="dfn" href="#concept-document">document</a> (<code class="idl"><a data-link-type="idl" href="#document">Document</a></code> object). </p>
    <p>The <dfn class="idl-code" data-dfn-for="Document" data-dfn-type="attribute" data-export="" id="dom-document-implementation">implementation<a class="self-link" href="#dom-document-implementation"></a></dfn> attribute must return the <code class="idl"><a data-link-type="idl" href="#domimplementation">DOMImplementation</a></code> object that is
 associated with the <a data-link-type="dfn" href="#concept-document">document</a>.</p>
-   <p>The <dfn class="idl-code" data-dfn-for="Document" data-dfn-type="attribute" data-export="" id="dom-document-url">URL<a class="self-link" href="#dom-document-url"></a></dfn> and <dfn class="idl-code" data-dfn-for="Document" data-dfn-type="attribute" data-export="" id="dom-document-documenturi">documentURI<a class="self-link" href="#dom-document-documenturi"></a></dfn> attributes must return the <a data-link-type="dfn" href="#concept-document-url">URL</a>.</p>
+   <p>The <dfn class="idl-code" data-dfn-for="Document" data-dfn-type="attribute" data-export="" id="dom-document-url"><code>URL</code><a class="self-link" href="#dom-document-url"></a></dfn> and <dfn class="idl-code" data-dfn-for="Document" data-dfn-type="attribute" data-export="" id="dom-document-documenturi"><code>documentURI</code><a class="self-link" href="#dom-document-documenturi"></a></dfn> attributes' getters must return the <a data-link-type="dfn" href="#concept-document-url">URL</a>, <a data-link-type="dfn" href="https://url.spec.whatwg.org/#concept-url-serializer">serialized</a>.</p>
    <p>The <dfn class="idl-code" data-dfn-for="Document" data-dfn-type="attribute" data-export="" id="dom-document-origin">origin<a class="self-link" href="#dom-document-origin"></a></dfn> attribute must return the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsers.html#unicode-serialization-of-an-origin">Unicode serialization</a> of <a data-link-type="dfn" href="#context-object">context object</a>’s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsers.html#origin">origin</a>.</p>
    <p>The <dfn class="idl-code" data-dfn-for="Document" data-dfn-type="attribute" data-export="" id="dom-document-compatmode"><code>compatMode</code><a class="self-link" href="#dom-document-compatmode"></a></dfn> attribute’s getter must
 return "<code>BackCompat</code>" if <a data-link-type="dfn" href="#context-object">context object</a>’s <a data-link-type="dfn" href="#concept-document-mode">mode</a> is
@@ -5327,6 +5327,11 @@ <h3 class="no-num heading settled" id="index-defined-elsewhere"><span class="con
      <li><a href="https://drafts.csswg.org/selectors-4/#scope-filtered">scope-filtered</a>
      <li><a href="https://drafts.csswg.org/selectors-4/#scoping-root">scoping root</a>
     </ul>
+   <li>
+    <a data-link-type="biblio" href="#biblio-url">[url]</a> defines the following terms:
+    <ul>
+     <li><a href="https://url.spec.whatwg.org/#concept-url-serializer">url serializer</a>
+    </ul>
    <li>
     <a data-link-type="biblio" href="#biblio-webidl">[WebIDL]</a> defines the following terms:
     <ul>