[css-fonts-5] Make initial value of superscript/subscript overrides be consistent. Fixes error in 057424c #5518

Author: fantasai

css-fonts-5/Overview.bs

@@ -290,28 +290,28 @@ the 'superscript-position-override', 'subscript-position-override','superscript-
 
 	<pre class='descdef'>
 	Name: superscript-position-override
-	Value: auto | from-font | <<percentage>>
+	Value: normal | from-font | <<percentage>>
 	For: @font-face
 	Initial: normal
 	</pre>
 
 	<pre class='descdef'>
 	Name: subscript-position-override
-	Value: auto | from-font | <<percentage>>
+	Value: normal | from-font | <<percentage>>
 	For: @font-face
 	Initial: normal
 	</pre>
 
 	<pre class='descdef'>
 	Name: superscript-size-override
-	Value: auto | from-font | <<percentage [0,Infinity]>>
+	Value: normal | from-font | <<percentage [0,Infinity]>>
 	For: @font-face
 	Initial: normal
 	</pre>
 
 	<pre class='descdef'>
 	Name: subscript-size-override
-	Value: auto | from-font | <<percentage [0,Infinity]>>
+	Value: normal | from-font | <<percentage [0,Infinity]>>
 	For: @font-face
 	Initial: normal
 	</pre>
@@ -323,15 +323,15 @@ the 'superscript-position-override', 'subscript-position-override','superscript-
 	which are used to synthesize glyphs when required by 'font-variant-position'.
 
 	<dl dfn-for="superscript-position-override!!descriptor,subscript-position-override!!descriptor,superscript-size-override!!descriptor,subscript-size-override!!descriptor" dfn-type=value>
-		<dt><dfn>auto</dfn>
+		<dt><dfn>normal</dfn>
 		<dd>
 			The UA determines what metrics value to use,
 			whether derived from the font or from some heuristic.
 
 		<dt><dfn>from-font</dfn>
 		<dd>
 			The corresponding metric in the font data is used, if any.
-			(If the metric is missing, same as ''superscript-position-override/auto''.)
+			(If the metric is missing, same as ''superscript-position-override/normal''.)
 
 		<dt><dfn><<percentage>></dfn>
 		<dd>