[css-text-4] Rename trim-auto to trim-both #10161

Author: fantasai

css-text-4/Overview.bs

@@ -10502,7 +10502,7 @@ CJK Punctuation Spacing: the 'text-spacing-trim' property</h3>
 	Values are defined as follows:
 
 	<pre class=prod>
-		<dfn><<spacing-trim>></dfn> = space-all | normal | trim-auto | trim-start | space-first | trim-all
+		<dfn><<spacing-trim>></dfn> = space-all | normal | space-first | trim-start | trim-both | trim-all
 	</pre>
 
 	<dl dfn-for=text-spacing-trim dfn-type=value>
@@ -10526,7 +10526,7 @@ CJK Punctuation Spacing: the 'text-spacing-trim' property</h3>
 			and collapse spacing between punctuation glyphs
 			<a href="#fullwidth-collapsing">as described below</a>.
 
-		<dt><dfn>trim-auto</dfn>
+		<dt><dfn>trim-both</dfn>
 		<dd>
 			Set <a>fullwidth opening punctuation</a> with half-width glyphs (flush)
 			at the start of each line;
@@ -10555,7 +10555,7 @@ CJK Punctuation Spacing: the 'text-spacing-trim' property</h3>
 				<summary>This value exists for compat requirements.</summary>
 
 				This value exists to manage formatting of some existing Chinese and Japanese content,
-				for which ''trim-auto'' would have been appropriate typographically,
+				for which ''trim-both'' would have been appropriate typographically,
 				except that they are already written
 				to expect the first line to be set as for ''space-all''.
 
@@ -10566,7 +10566,7 @@ CJK Punctuation Spacing: the 'text-spacing-trim' property</h3>
 				but omits it when the paragraph begins with punctuation
 				that is desired to hang in the indent
 				in order to create the hanging punctuation effect.
-				Using ''trim-auto'' on the first line
+				Using ''trim-both'' on the first line
 				would thus trim away the effective indent in such content
 				and thus obscure that line's distinction
 				as the first line of a new paragraph.
@@ -10586,7 +10586,7 @@ CJK Punctuation Spacing: the 'text-spacing-trim' property</h3>
 
 				Additionally, the behavior at the end of lines is aligned
 				with the ''text-spacing-trim/normal'' and ''trim-start'' values
-				rather than ''text-spacing-trim/trim-auto'',
+				rather than ''text-spacing-trim/trim-both'',
 				in that it only trims the glyphs
 				if they do not otherwise fit prior to justification.
 				While improving the typography in fewer cases,
@@ -10626,7 +10626,7 @@ CJK Punctuation Spacing: the 'text-spacing-trim' property</h3>
 
 			Note: These spacing values may or may not match OS platform conventions.
 
-			ISSUE: Do we need ''text-spacing-trim/auto''? It would be weird for the author to choose platform-dependent behavior at the start of the first line, and it should otherwise use ''text-spacing-trim/trim-auto''.
+			ISSUE: Do we need ''text-spacing-trim/auto''? It would be weird for the author to choose platform-dependent behavior at the start of the first line, and it should otherwise use ''text-spacing-trim/trim-both''.
 	</dl>
 
 	<div class=note>
@@ -10637,8 +10637,8 @@ CJK Punctuation Spacing: the 'text-spacing-trim' property</h3>
 			<tr>
 				<th>Value
 				<th>Trim at line start
-				<th>Trim adjacent pairs
 				<th>Trim at line end
+				<th>Trim adjacent pairs
 				<th>Trim everywhere
 		<tbody>
 			<tr>
@@ -10647,19 +10647,18 @@ CJK Punctuation Spacing: the 'text-spacing-trim' property</h3>
 			<tr>
 				<th>''text-spacing-trim/normal''
 				<td>no
+				<td rowspan=3>only if would not fit
 				<td rowspan=4>yes
-				<td>only if would not fit
 				<td rowspan=4>no
 			<tr>
-				<th>''trim-auto''
-				<td rowspan=2>yes
-				<td>yes
+				<th>''space-first''
+				<td>yes except on the first line
 			<tr>
 				<th>''trim-start''
-				<td rowspan=2>only if would not fit
+				<td rowspan=2>yes
 			<tr>
-				<th>''space-first''
-				<td>yes except on the first line
+				<th>''trim-both''
+				<td>yes
 			<tr>
 				<th>''trim-all''
 				<td colspan=4>yes
@@ -11013,7 +11012,7 @@ Japanese Paragraph-start Conventions in CSS</h4>
 					p { /* Flush alignment */
 						margin: 0;
 						text-indent: 1em;
-						text-spacing-trim: trim-auto;
+						text-spacing-trim: trim-both;
 					}
 				</pre>
 
@@ -11033,7 +11032,7 @@ Japanese Paragraph-start Conventions in CSS</h4>
 					p { /* Hanging alignment */
 						margin: 0;
 						text-indent: 1em;
-						text-spacing-trim: trim-auto;
+						text-spacing-trim: trim-both;
 						hanging-punctuation: first;
 					}
 				</pre>
@@ -13113,7 +13112,8 @@ Changes</h2>
 	Changes specific to Level 4 are listed below.
 
 	Significant changes since the <a href="https://www.w3.org/TR/2024/WD-css-text-4-20240219/">19 February 2024 Working Draft</a> include:
-	* None yet
+	* Renamed the 'text-spacing-trim' value <css>trim-auto</css> to ''trim-both''.
+		(<a href="https://github.com/w3c/csswg-drafts/issues/10161">Issue 10161</a>)
 
 	Significant changes since the <a href="https://www.w3.org/TR/2023/WD-css-text-4-20231020/">20 October 2023 Working Draft</a> include:
 	* Restored accidentally deleted “and each line after a [=forced line break=]”