[] (0) Make it possible to hide implementation requirements with an a…

…lternative style sheet. Add author documentation for most of the APIs. Fix minor typos and oversights here and there.

git-svn-id: http://svn.whatwg.org/webapps@2876 340c8d12-0b0e-0410-8428-c7bf67bfef74

header-whatwg

@@ -4,7 +4,7 @@
   <title>HTML 5</title>
   <link rel="stylesheet" href="/style/specification">
   <link rel="icon" href="/images/icon">
-  <style type="text/css">
+  <style>
    .proposal { border: blue solid; padding: 1em; }
    .bad, .bad *:not(.XXX) { color: gray; border-color: gray; background: transparent; }
    table.matrix, table.matrix td { border: none; text-align: right; }
@@ -25,17 +25,27 @@
    .rfc2119.s\hould::after { content: '\2606'; }
    [hidden] { display: none; }
   </style>
+  <link rel="stylesheet" title="Complete specification" href="data:text/css,">
+  <link rel="alternate stylesheet" title="Author documentation only"
+        href="data:text/css,.impl%20{%20display:%20none;%20}">
+  <link rel="alternate stylesheet" title="Highlight implementation requirements"
+        href="data:text/css,.impl%20{%20background:%20#FFEEEE;%20}">
   <link rel="stylesheet" href="status.css">
   <script>
+   var loadTimer = new Date();
    function load(script) {
      var e = document.createElement('script');
      e.setAttribute('src', script);
      document.body.appendChild(e);
    }
    function init() {
+     if (location.search == '?slow-browser')
+       return;
      load('status.js');
      load('dfn.js');
      load('toc.js');
+     if (location.search == '?profile')
+       document.getElementsByTagName('h2')[0].textContent += '; load: ' + (new Date() - loadTimer) + 'ms';
    }
   </script>
  </head>