[css-anchor-position-1][editorial] Move <anchor-name> definition to 'anchor-name', use it in a few more places. #12895

Author: tabatkins

css-anchor-position-1/Overview.bs

@@ -199,13 +199,17 @@ Creating an Anchor: the 'anchor-name' property {#name}
 
 <pre class=propdef>
 Name: anchor-name
-Value: none | <<dashed-ident>>#
+Value: none | <<anchor-name>>#
 Initial: none
 Inherited: no
 Applies to: all elements that generate a [=principal box=]
 Animation Type: discrete
 </pre>
 
+<pre class=prod>
+<dfn>&lt;anchor-name></dfn> = <<dashed-ident>>
+</pre>
+
 The 'anchor-name' property declares
 that an element is an <dfn>anchor element</dfn>,
 whose [=principal box=] is an [=anchor box=],
@@ -216,7 +220,7 @@ Values are defined as follows:
 	: <dfn>none</dfn>
 	:: The property has no effect.
 
-	: <dfn><<dashed-ident>>#</dfn>
+	: <dfn><<anchor-name>>#</dfn>
 	:: If the element generates a [=principal box=],
 		the element is an [=anchor element=],
 		with a list of [=anchor names=] as specified.
@@ -270,7 +274,7 @@ Scoping Anchor Names: the 'anchor-scope' property</h3>
 
 <pre class=propdef>
 Name: anchor-scope
-Value: none | all | <<dashed-ident>>#
+Value: none | all | <<anchor-name>>#
 Initial: none
 Applies to: all elements
 Inherited: no
@@ -304,15 +308,15 @@ Values have the following meanings:
 		to ''anchor-scope: --foo, --bar, ...'',
 		listing all relevant [=anchor names=].)
 
-	<dt><dfn><<dashed-ident>></dfn>
+	<dt><dfn><<anchor-name>></dfn>
 	<dd>
 		Specifies that a matching [=anchor name=] defined by this element or its descendants--
 		whose scope is not already limited by a descendant using 'anchor-scope'--
 		to be in scope only for this element's descendants;
 		and limits descendants to only match these [=anchor names=]
 		to [=anchor elements=] within this subtree.
 
-		The <<dashed-ident>> represents a [=tree-scoped name/strictly matched=] [=tree-scoped name=],
+		The <<anchor-name>> represents a [=tree-scoped name/strictly matched=] [=tree-scoped name=],
 		i.e. it can only match against [=anchor names=] in the same shadow tree.[[!CSS-SCOPING-1]]
 </dl>
 
@@ -844,7 +848,6 @@ New values: <<anchor()>>
 
 <pre class=prod>
 	&lt;anchor()> = anchor( <<anchor-name>>? && <<anchor-side>>, <<length-percentage>>? )
-	<dfn><<anchor-name>></dfn> = <<dashed-ident>>
 	<dfn><<anchor-side>></dfn> = inside | outside
 			   | top | left | right | bottom
 			   | start | end | self-start | self-end