Address #1154 (review) (in part).

w3c · Sep 5, 2019 · 569932b · 569932b
1 parent f26bc1d
commit 569932b
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/spec/ttml2.xml b/spec/ttml2.xml
@@ -18694,6 +18694,12 @@ considered equivalent to specifying <code>attributeName="tts:color"</code> and <
 <note role="clarification"><p>This implied value corresponds to the default value specified by <bibref ref="svg11"/>, &sect;19.2.9.</p></note>
 </item>
 <item>
+<p>If a targeted <loc href="#terms-animatable-style">animatable style</loc> is <termref def="defs-discrete">discretely</termref> animatable
+but not <termref def="defs-continuous">continuously</termref> animatable, then it is <termref def="defs-considered-an-error">considered an error</termref>
+if the applied value of the <att>calcMode</att> attribute is not <code>discrete</code>, in which case
+the targeted <loc href="#terms-animatable-style">animatable style</loc> must be ignored for the purpose of presentation processing.</p>
+</item>
+<item>
 <p>If no <att>fill</att> attribute is specified, then a <emph>fill</emph> value of <code>remove</code> applies.</p>
 <note role="clarification"><p>This implied value corresponds to the default value specified by <bibref ref="svg11"/>, &sect;19.2.9.</p></note>
 </item>
@@ -18871,7 +18877,7 @@ defined to be coterminous with the <loc href="#terms-root-temporal-extent">root
 </div3>
 <div3 id="animation-vocabulary-set">
 <head>set</head>
-<p>The <el>set</el> element expresses one or more a discrete changes (animations) to be applied (targeted)
+<p>The <el>set</el> element expresses one or more discrete changes (animations) to be applied (targeted)
 to one or more <loc href="#terms-animatable-style">animatable styles</loc> of associated elements.</p>
 <p>A <el>set</el> element may appear as either (1) a child of a
 <loc href="#terms-content-element">content element</loc> or a <loc href="#layout-vocabulary-region"><el>region</el></loc> element,