[css-counter-styles] Clarify that speak-as:bullet speaks as an unordered list item. Fix typos.

Author: tabatkins

css-counter-styles/Overview.html

@@ -931,7 +931,7 @@ <h3 class="heading settled heading" data-level=3.9 id=counter-style-speak-as><sp
 	The <a class=property data-link-type=propdesc href=#descdef-speak-as title=speak-as>speak-as</a> descriptor describes how to synthesize the spoken form of a counter formatted with the given counter style.
 	Values have the following meanings:
 
-	<dl data-dfn-for=@counter-style/speak-as>
+	<dl data-dfn-for=@counter-style/speak-as data-dfn-type=value>
 		<dt><dfn class=css-code data-dfn-for=@counter-style/speak-as data-dfn-type=value data-export="" id=valuedef-auto>auto<a class=self-link href=#valuedef-auto></a></dfn>
 		<dd>
 			If the counter style’s <a class=property data-link-type=propdesc href=#descdef-system title=system>system</a> is <a class=css-code data-link-for=system data-link-type=value href=#valuedef-alphabetic0 title=alphabetic>alphabetic</a>, this value computes to <a class=css-code data-link-for=speak-as data-link-type=value href=#valuedef-alphabetic title=alphabetic>alphabetic</a>.
@@ -954,11 +954,12 @@ <h3 class="heading settled heading" data-level=3.9 id=counter-style-speak-as><sp
 
 		<dt><dfn class=css-code data-dfn-for=@counter-style/speak-as data-dfn-type=value data-export="" id=valuedef-bullet>bullet<a class=self-link href=#valuedef-bullet></a></dfn>
 		<dd>
-			The UA speaks a UA-defined phrase or audio cue that represents a list item being read out.
+			The UA speaks a UA-defined phrase or audio cue that represents an unordered list item being read out.
 
 		<dt><dfn class=css-code data-dfn-for=@counter-style/speak-as data-dfn-type=value data-export="" id=valuedef-counter-style-name><a class="production css-code" data-link-type=type href=#typedef-counter-style-name title="<counter-style-name>">&lt;counter-style-name&gt;</a><a class=self-link href=#valuedef-counter-style-name></a></dfn>
 		<dd>
-			The counter’s value is instead spoken out in the specific style.
+			The counter’s value is instead spoken out in the specified style
+			(similar to the behavior of the <a class=property data-link-type=propdesc href=#descdef-fallback title=fallback>fallback</a> descriptor when generating representations for a counter value).
 			If the specified style does not exist,
 			this value is treated as <a class=css data-link-for=speak-as data-link-type=maybe href=#valuedef-auto title=auto>auto</a>.
 			If a loop is detected when following <a class=property data-link-type=propdesc href=#descdef-speak-as title=speak-as>speak-as</a> references,

css-counter-styles/Overview.src.html

@@ -874,18 +874,18 @@ <h3 id='counter-style-speak-as'>
 	The 'speak-as' descriptor describes how to synthesize the spoken form of a counter formatted with the given counter style.
 	Values have the following meanings:
 
-	<dl dfn-for="@counter-style/speak-as">
-		<dt><dfn value>auto</dfn>
+	<dl dfn-for="@counter-style/speak-as" dfn-type=value>
+		<dt><dfn>auto</dfn>
 		<dd>
 			If the counter style's 'system' is <a value for=system>alphabetic</a>, this value computes to <a value for=speak-as>alphabetic</a>.
 			If the 'system' is ''cyclic'', this value computes to ''bullet''.
 			Otherwise, this value computes to <a value for=speak-as>numeric</a>.
 
-		<dt><dfn value>numeric</dfn>
+		<dt><dfn>numeric</dfn>
 		<dd>
 			The counter's value is spoken as a number in the document language.
 
-		<dt><dfn value>alphabetic</dfn>
+		<dt><dfn>alphabetic</dfn>
 		<dd>
 			<i>Generate a counter representation</i> for the value as normal,
 			then spell it out letter-by-letter in the document language.
@@ -895,13 +895,14 @@ <h3 id='counter-style-speak-as'>
 			For example, ''lower-greek'' in English would be read out as "alpha", "beta", "gamma", etc.
 			Conversely, ''upper-latin'' in French would be read out as (in phonetic notation) /a/, /be/, /se/, etc.
 
-		<dt><dfn value>bullet</dfn>
+		<dt><dfn>bullet</dfn>
 		<dd>
-			The UA speaks a UA-defined phrase or audio cue that represents a list item being read out.
+			The UA speaks a UA-defined phrase or audio cue that represents an unordered list item being read out.
 
-		<dt><dfn value><<counter-style-name>></dfn>
+		<dt><dfn><<counter-style-name>></dfn>
 		<dd>
-			The counter's value is instead spoken out in the specific style.
+			The counter's value is instead spoken out in the specified style
+			(similar to the behavior of the 'fallback' descriptor when generating representations for a counter value).
 			If the specified style does not exist,
 			this value is treated as ''speak-as/auto''.
 			If a loop is detected when following 'speak-as' references,