Fix all the Bikeshed warnings and errors. (#382)

Author: hober

index.bs

@@ -23,14 +23,17 @@ Link Defaults: html (dfn) queue a task/in parallel/reflect
 <pre class="link-defaults">
 spec:css-cascade-5; type:dfn; text:inherit
 spec:dom
-    type:dfn; text:aborted flag
     type:method; for:Document; text:getElementsByTagName(qualifiedName)
     type:method; for:Document; text:createElement(qualifiedName)
 spec:html; type:dfn; for:/
     text:focus update steps
     text:task queue
     text:event loop
 spec:html; type:element-attr; for:a; text:href
+spec:html; type:element
+    text:link
+    text:script
+    text:style
 spec:html; type:event; text:resize
 spec:selectors-4; type:selector; text::hover
 spec:webidl; type:dfn; text:namespace
@@ -54,6 +57,10 @@ urlPrefix: https://tc39.github.io/ecma262/; spec: ECMA262
     url: #sec-finalization-registry-objects; type: interface; text: FinalizationRegistry
     url: #sec-number-objects; type: interface; text: Number
     url: #sec-weak-ref-objects; type: interface; text: WeakRef
+urlPrefix: https://w3c.github.io/gamepad/; spec: gamepad
+    url:#event-gamepadconnected; type: event; text:gamepadconnected
+urlPrefix: https://w3c.github.io/geolocation-api/; spec: geolocation
+    url:#dom-geolocation-watchposition; type:method; for:Geolocation; text:watchPosition()
 urlPrefix: https://html.spec.whatwg.org/multipage/; spec: HTML
     url: system-state.html#dom-navigator-online; type: attribute; for: NavigatorOnline; text: onLine;
 urlPrefix: https://w3c.github.io/remote-playback/; spec: REMOTE-PLAYBACK
@@ -1642,7 +1649,7 @@ as its result can be any of a number of subclasses of {{Element}}.
 </div>
 
 <div class="example">
-The {{MouseEvent/initMouseEvent}} factory method only creates {{MouseEvent}} objects,
+The deprecated `MouseEvent.initMouseEvent()` factory method only creates {{MouseEvent}} objects,
 which were originally not constructible,
 even though there was no technical reason against that.
 Eventually it was deprecated, and the {{MouseEvent}} object was simply made constructible.
@@ -1847,9 +1854,8 @@ simply returns immediately. This technique is "guarding" the algorithm.
 <div class="example">
 {{AbortSignal}}'s [=AbortSignal/add=],
 [=AbortSignal/remove=] and [=signal abort=]
-each begin with a check
-of the signal's [=aborted flag=].
-If the flag is set, the rest of the algorithm doesn't run.
+each begin with a check to see if the signal is [=AbortSignal/aborted=].
+If the signal is [=AbortSignal/aborted=], the rest of the algorithm doesn't run.
 
 In this case, a lot of the important complexity is
 in the algorithms run during the [=signal abort=] steps.