[web-animations-1] Fix markup errors

Author: birtles

web-animations-1/Overview.bs

@@ -1370,7 +1370,7 @@ Waiting for the associated effect</h4>
 
                 1. Set the [=start time=] of |animation| to |new start time|.
 
-            </div>
+            </dl>
 
         1. [=resolve a promise|Resolve=] |animation|'s [=current ready promise=]
             with |animation|.
@@ -2228,7 +2228,7 @@ Waiting for the associated effect</h4>
 
     1. Let |animation|'s [=pending playback rate=] be
         the additive inverse of its [=effective playback rate=]
-        (i.e. <code>-</a>effective playback rate</a></code>).
+        (i.e. <code>-<a>effective playback rate</a></code>).
 
     1. Run the steps to [=play an animation=] for |animation|
         with the |auto-rewind| flag set to true.
@@ -2373,7 +2373,7 @@ Waiting for the associated effect</h4>
 
   <div algorithm>
     To <dfn lt="animation time to timeline time">convert
-    an animation time to timeline time</a></dfn>
+    an animation time to timeline time</dfn>
     a [=time value=], |time|, that is relative to
     the [=start time=] of an animation, |animation|,
     perform the following steps:
@@ -5475,7 +5475,7 @@ The {{KeyframeEffect}} interface {#the-keyframeeffect-interface}
   ::
       Creates a new {{KeyframeEffect}} object using the following procedure:
 
-      1. Create a new {{KeyframeEffect}} object, |effect|.</li>
+      1. Create a new {{KeyframeEffect}} object, |effect|.
 
       1. Set the [=target element=] of |effect| to |target|.
 
@@ -5811,7 +5811,7 @@ The {{KeyframeEffect}} interface {#the-keyframeeffect-interface}
                     \[[Configurable]]: <span class=esvalue>true</span>,
                     \[[Value]]: |value|
                   }
-                  and Boolean flag <span class=esvalue>false</a>.
+                  and Boolean flag <span class=esvalue>false</span>.
 
           1. Append |output keyframe| to |result|.
 
@@ -6587,7 +6587,7 @@ The {{CompositeOperation}} and {{CompositeOperationOrAuto}} enumerations {#the-c
 ------------------------------------------------------------------------
 
   The possible values of an [=keyframe effect=]’s composition behavior
-  are represented by the <dfn type=enum-value>CompositeOperation</dfn> enumeration.
+  are represented by the <dfn>CompositeOperation</dfn> enumeration.
 
   <xmp class=idl>
     enum CompositeOperation { "replace", "add", "accumulate" };
@@ -6738,7 +6738,7 @@ The <code>Animatable</code> interface mixin {#the-animatable-interface-mixin}
 
       </div>
 
-  : <dfn lt="getAnimations(options)">sequence<Animation> getAnimations(|options|)</dfn>
+  : <dfn lt="getAnimations(options)">sequence&lt;Animation&gt; getAnimations(|options|)</dfn>
   ::
       1. Let |object| be the object on which this method was called.