[css-box-3] Mark application to internal ruby boxes as undefined. w3c/transitions#469 (comment)

Author: fantasai

css-box-3/Overview.bs

@@ -11,7 +11,6 @@ Previous Version: https://www.w3.org/TR/2020/WD-css-box-3-20201028/
 Abstract: This specification describes the margin and padding properties, which create spacing in and around a CSS box.
 Editor: Elika J. Etemad / fantasai, Invited Expert, http://fantasai.inkedblade.net/contact, w3cid 35400
 Ignored Terms: internal table elements, block layout
-At risk: applicability of 'margin', 'padding' and their longhands to [=ruby base containers=] and [=ruby annotation containers=]
 Issue Tracking: CSSWG GitHub https://github.com/w3c/csswg-drafts/issues
 </pre>
 <pre class='link-defaults'>
@@ -297,7 +296,7 @@ Page-relative (Physical) Margin Properties: the 'margin-top', 'margin-right', 'm
 		Name: margin-top, margin-right, margin-bottom, margin-left
 		Value: <<length-percentage>> | auto
 		Initial: 0
-		Applies to: all elements except <a>internal table elements</a>, [=ruby base containers=], and [=ruby annotation containers=]
+		Applies to: all elements except <a>internal table elements</a>
 		Inherited: no
 		Percentages: refer to <a>logical width</a> of containing block
 		Computed value: the keyword ''margin/auto'' or a computed <<length-percentage>> value
@@ -310,14 +309,17 @@ Page-relative (Physical) Margin Properties: the 'margin-top', 'margin-right', 'm
 	Negative values for margin properties are allowed,
 	but there may be implementation-specific limits.
 
+	Note: Application to [=internal ruby boxes=] [[CSS-RUBY-1]]
+	is not defined in this specification.
+
 Margin Shorthand: the 'margin' property {#margin-shorthand}
 -----------------
 
 	<pre class="propdef">
 		Name: margin
 		Value: <<'margin-top'>>{1,4}
 		Initial: 0
-		Applies to: all elements except <a>internal table elements</a>, [=ruby base containers=], and [=ruby annotation containers=]
+		Applies to: see individual properties
 		Inherited: no
 		Percentages: refer to <a>logical width</a> of containing block
 		Computed value: see individual properties
@@ -389,7 +391,7 @@ Page-relative (Physical) Padding Properties: the 'padding-top', 'padding-right',
 		Name: padding-top, padding-right, padding-bottom, padding-left
 		Value: <<length-percentage [0,∞]>>
 		Initial: 0
-		Applies to: all elements except: <a>internal table elements</a> other than table cells, [=ruby base containers=], and [=ruby annotation containers=]
+		Applies to: all elements except: <a>internal table elements</a> other than table cells
 		Inherited: no
 		Percentages: refer to <a>logical width</a> of containing block
 		Computed value: a computed <<length-percentage>> value
@@ -401,14 +403,17 @@ Page-relative (Physical) Padding Properties: the 'padding-top', 'padding-right',
 
 	Negative values for padding properties are invalid.
 
+	Note: Application to [=internal ruby boxes=] [[CSS-RUBY-1]]
+	is not defined in this specification.
+
 Padding Shorthand: the 'padding' property {#padding-shorthand}
 -----------------
 
 	<pre class="propdef">
 		Name: padding
 		Value: <<'padding-top'>>{1,4}
 		Initial: 0
-		Applies to: all elements except: <a>internal table elements</a> other than table cells, [=ruby base containers=], and [=ruby annotation containers=]
+		Applies to: see individual properties
 		Inherited: no
 		Percentages: refer to <a>logical width</a> of containing block
 		Computed value: see individual properties
@@ -470,8 +475,6 @@ Changes Since CSS Level 2 {#changes}
 	<ul>
 		<li>Adapting the prose slightly to account for vertical <a>writing modes</a>.
 		<li>Cross-linking to relevant concepts in [[css-break-3]] and [[css-backgrounds-3]].
-		<li>Defining the non-applicability of 'margin', 'padding' and their longhands
-			to [=ruby base containers=] and [=ruby annotation containers=] (at risk).
 		<li>Providing a [[#keywords|centralized common definition]]
 			of keywords that reference the various box edges
 			for use in properties defined outside this spec