[css-speech-1][editorial] Optimized syntax definitions

Author: SebastianZ

css-speech-1/Overview.bs

@@ -201,7 +201,7 @@ The 'voice-volume' property</h3>
 
 	<pre class=propdef>
 	Name: voice-volume
-	Value: silent | [[x-soft | soft | medium | loud | x-loud] || <<decibel>>]
+	Value: silent | [ [ x-soft | soft | medium | loud | x-loud ] || <<decibel>> ]
 	Initial: medium
 	Applies to: all elements
 	Inherited: yes
@@ -576,7 +576,7 @@ The 'pause-before' and 'pause-after' properties</h3>
 
 	<pre class=propdef>
 	Name: pause-before, pause-after
-	Value: &lt;time [0s,∞]&gt; | none | x-weak | weak | medium | strong | x-strong
+	Value: <<time [0s,∞]>> | none | x-weak | weak | medium | strong | x-strong
 	Initial: none
 	Applies to: all elements
 	Inherited: no
@@ -939,7 +939,7 @@ The 'voice-family' property</h3>
 
 	<pre class=propdef>
 	Name: voice-family
-	Value:  [[&lt;family-name&gt; | &lt;generic-voice&gt;],]* [&lt;family-name&gt; | &lt;generic-voice&gt;] | preserve
+	Value:  [ <<voice-family-name>> | <<generic-voice>> ]# | preserve
 	Initial: implementation-dependent
 	Applies to: all elements
 	Inherited: yes
@@ -955,7 +955,7 @@ The 'voice-family' property</h3>
 	by specifying match criteria.
 	See the <a href="#voice-selection">voice selection</a> section on this topic.
 
-	<dfn><<generic-voice>></dfn> = [<<age>>? <<gender>> <<integer>>?]
+	<dfn><<generic-voice>></dfn> = <<age>>? <<gender>> <<integer>>?
 
 	Note: Although the functionality provided by this property is similar to
 	the <a href="https://www.w3.org/TR/speech-synthesis11/#edef_voice"><code>voice</code> element</a>
@@ -964,7 +964,7 @@ The 'voice-family' property</h3>
 	This technical limitation may be alleviated in a future revision of the Speech module.
 
 	<dl dfn-type=value dfn-for=voice-family>
-		<dt><dfn><<family-name>></dfn>
+		<dt><dfn type><<voice-family-name>></dfn>
 		<dd>
 			Values are specific voice instances (e.g., Mike, comedian, mary, carlos2, "valley girl").
 			Like 'font-family' names, voice names must either be given quoted as [=strings=],
@@ -1123,7 +1123,7 @@ The 'voice-rate' property</h3>
 
 	<pre class=propdef>
 	Name: voice-rate
-	Value: [normal | x-slow | slow | medium | fast | x-fast] || <<percentage [0,∞]>>
+	Value: [ normal | x-slow | slow | medium | fast | x-fast ] || <<percentage [0,∞]>>
 	Initial: normal
 	Applies to: all elements
 	Inherited: yes
@@ -1210,7 +1210,8 @@ The 'voice-pitch' property</h3>
 
 	<pre class=propdef>
 	Name: voice-pitch
-	Value: <<frequency [0Hz,∞]>> && absolute | [[x-low | low | medium | high | x-high] || [<<frequency>> | <<semitones>> | <<percentage>>]]
+	Value: <<frequency [0Hz,∞]>> && absolute | [ [ x-low | low | medium | high | x-high ] ||
+		[ <<frequency [0Hz,∞]>> | <<semitones>> | <<percentage>> ] ]
 	Initial: medium
 	Applies to: all elements
 	Inherited: yes
@@ -1237,7 +1238,7 @@ The 'voice-pitch' property</h3>
 	are not mutually-exclusive, due to how values are inherited and combined for selected elements.
 
 	<dl dfn-type=value dfn-for=voice-pitch>
-		<dt><dfn><<frequency>></dfn>
+		<dt><dfn><<frequency [0Hz,∞]>></dfn>
 		<dd>
 			A value in frequency units (Hertz or kiloHertz, e.g. ''100Hz'', ''+2kHz'').
 			Values are restricted to positive numbers when the ''voice-pitch/absolute'' keyword is specified.
@@ -1323,7 +1324,8 @@ The 'voice-range' property</h3>
 
 	<pre class=propdef>
 	Name: voice-range
-	Value: <<frequency [0Hz,∞]>> && absolute | [[x-low | low | medium | high | x-high] || [<<frequency>> | <<semitones>> | <<percentage>>]]
+	Value: <<frequency [0Hz,∞]>> && absolute | [ [ x-low | low | medium | high | x-high ] ||
+		[ <<frequency [0Hz,∞]>> | <<semitones>> | <<percentage>> ] ]
 	Initial: medium
 	Applies to: all elements
 	Inherited: yes
@@ -1350,7 +1352,7 @@ The 'voice-range' property</h3>
 	are not mutually-exclusive, due to how values are inherited and combined for selected elements.
 
 	<dl dfn-type=value dfn-for=voice-range>
-		<dt><<frequency>>
+		<dt><dfn><<frequency [0Hz,∞]>></dfn>
 		<dd>
 			A value in frequency units (Hertz or kiloHertz, e.g. ''100Hz'', ''+2kHz'').
 			Values are restricted to positive numbers when the ''voice-range/absolute'' keyword is specified.
@@ -1551,7 +1553,7 @@ The 'voice-duration' property</h3>
 
 	<pre class=propdef>
 	Name: voice-duration
-	Value: auto | &lt;time [0s,∞]&gt;
+	Value: auto | <<time [0s,∞]>>
 	Initial: auto
 	Applies to: all elements
 	Inherited: no