[] (0) WF2: Define .willValidate

git-svn-id: http://svn.whatwg.org/webapps@2223 340c8d12-0b0e-0410-8428-c7bf67bfef74

index

   <h5 id=the-constraint><span class=secno>4.10.15.3. </span>The <dfn
    id=constraint0>constraint validation API</dfn></h5>
 
-  <p class=big-issue><dfn id=willvalidate
-   title=dom-cva-willValidate><code>willValidate</code></dfn> <dfn
-   id=validity title=dom-cva-validity><code>validity</code></dfn> <dfn
+  <p>The <dfn id=willvalidate
+   title=dom-cva-willValidate><code>willValidate</code></dfn> attribute must
+   return true if an element is a <a href="#candidate">candidate for
+   constraint validation</a>, and false otherwise (i.e. false if any
+   conditions are <span title="barred from constraint validation">barring it
+   from constraint validation</span>).
+
+  <p class=big-issue> <dfn id=validity
+   title=dom-cva-validity><code>validity</code></dfn> <dfn
    id=validationmessage
    title=dom-cva-validationMessage><code>validationMessage</code></dfn> <dfn
    id=checkvalidity0

source

 
   <h5>The <dfn>constraint validation API</dfn></h5>
 
-  <p class="big-issue"><dfn
-  title="dom-cva-willValidate"><code>willValidate</code></dfn> <dfn
+  <p>The <dfn
+  title="dom-cva-willValidate"><code>willValidate</code></dfn>
+  attribute must return true if an element is a <span>candidate for
+  constraint validation</span>, and false otherwise (i.e. false if any
+  conditions are <span title="barred from constraint
+  validation">barring it from constraint validation</span>).</p>
+
+  <p class="big-issue"> <dfn
   title="dom-cva-validity"><code>validity</code></dfn> <dfn
   title="dom-cva-validationMessage"><code>validationMessage</code></dfn>
   <dfn