[css-animations] Start/end events are fired even when animation-duration is 0s

Author: Sylvain Galineau

css-animations/Overview.bs

@@ -434,10 +434,9 @@ The 'animation-duration' property</h3>
 			If the <<time>> is ''0s'', like the initial value,
 			the keyframes of the animation have no effect,
 			but the animation itself still occurs instantaneously.
-			That is, 'animation-fill-mode' applies as normal,
-			filling backwards or forwards as appropriate.
-
-			<p class="issue">Do animation events fire when the duration is 0s?
+			That is, 'animation-fill-mode' applies as normal, 
+			filling backwards or forwards as appropriate; 
+			start and end events are fired.
 	</dl>
 
 <h3 id="animation-timing-function">
@@ -781,11 +780,9 @@ Animation Events</h2>
 	a single animation. Therefore an event will be generated for each 'animation-name' value and
 	not necessarily for each property being animated.
 
-	Any animation for which both a valid keyframe rule and a non-zero duration are defined will run
+	Any animation for which a valid keyframe rule is defined will run
 	and generate events; this includes animations with empty keyframe rules.
 
-	<p class="issue">Clarify whether 0s animations fire start/end events or not.
-
 	The time the animation has been running is sent with each event generated. This allows the event
 	handler to determine the current iteration of a looping animation or the current position of an
 	alternating animation. This time does not include any time the animation was in the ''paused''

css-animations/Overview.html

@@ -542,10 +542,9 @@ <h3 class="heading settled heading" data-level=4.3 id=animation-duration><span c
 <p>			If the <a class="production css-code" data-link-type=type href=http://dev.w3.org/csswg/css-values-3/#time-value title="<time>">&lt;time&gt;</a> is <span class=css data-link-type=maybe title=0s>0s</span>, like the initial value,
 			the keyframes of the animation have no effect,
 			but the animation itself still occurs instantaneously.
-			That is, <a class=property data-link-type=propdesc href=#propdef-animation-fill-mode title=animation-fill-mode>animation-fill-mode</a> applies as normal,
-			filling backwards or forwards as appropriate.
-
-			<p class=issue id=issue-1275c8d8><a class=self-link href=#issue-1275c8d8></a>Do animation events fire when the duration is 0s?
+			That is, <a class=property data-link-type=propdesc href=#propdef-animation-fill-mode title=animation-fill-mode>animation-fill-mode</a> applies as normal, 
+			filling backwards or forwards as appropriate; 
+			start and end events are fired.
 	</dl>
 
 <h3 class="heading settled heading" data-level=4.4 id=animation-timing-function><span class=secno>4.4 </span><span class=content>
@@ -805,11 +804,9 @@ <h2 class="heading settled heading" data-level=5 id=events><span class=secno>5 <
 	a single animation. Therefore an event will be generated for each <a class=property data-link-type=propdesc href=#propdef-animation-name title=animation-name>animation-name</a> value and
 	not necessarily for each property being animated.
 
-<p>	Any animation for which both a valid keyframe rule and a non-zero duration are defined will run
+<p>	Any animation for which a valid keyframe rule is defined will run
 	and generate events; this includes animations with empty keyframe rules.
 
-	<p class=issue id=issue-f9dd28a4><a class=self-link href=#issue-f9dd28a4></a>Clarify whether 0s animations fire start/end events or not.
-
 <p>	The time the animation has been running is sent with each event generated. This allows the event
 	handler to determine the current iteration of a looping animation or the current position of an
 	alternating animation. This time does not include any time the animation was in the <a class=css data-link-type=maybe href=#valuedef-paused title=paused>paused</a>
@@ -1343,9 +1340,6 @@ <h2 class="no-num no-ref heading settled heading" id=property-index><span class=
 <tr><th scope=row><a data-property="">animation</a><td>&lt;single-animation&gt;#<td>see individual properties<td>all elements, ::before and ::after pseudo-elements<td>no<td>N/A<td>interactive<td>no<td>per grammar<td>As specified</table></div>
 
 
-</ul><h2 class="no-num heading settled" id=issues-index><span class=content>Issues Index</span><a class=self-link href=#issues-index></a></h2><div style="counter-reset: issue"><div class=issue>Do animation events fire when the duration is 0s?
-	<a href=#issue-1275c8d8> ↵ </a></div><div class=issue>If similar to animation-duration:0s, also relates to whether
+</ul><h2 class="no-num heading settled" id=issues-index><span class=content>Issues Index</span><a class=self-link href=#issues-index></a></h2><div style="counter-reset: issue"><div class=issue>If similar to animation-duration:0s, also relates to whether
 			animation events fire?
-	<a href=#issue-ef1c522a> ↵ </a></div><div class=issue>Clarify whether 0s animations fire start/end events or not.
-
-<a href=#issue-f9dd28a4> ↵ </a></div></div>
+	<a href=#issue-ef1c522a> ↵ </a></div></div>