[css-text-decor-4] text-decoration-width -> text-decoration-thickness per WG resolution in <http://lists.w3.org/Archives/Public/www-style/2018Dec/0004.html> Note some issues with it, though.

Author: fantasai

css-text-decor-4/Overview.bs

@@ -109,10 +109,10 @@ Text Decoration Lines: the 'text-decoration-line' property</h3>
 	as modifications to its default styling.
 
 <h3 id="text-decoration-width-property">
-Text Decoration Line Thickness: the 'text-decoration-width' property</h3>
+Text Decoration Line Thickness: the 'text-decoration-thickness' property</h3>
 
 	<pre class="propdef">
-	Name: text-decoration-width
+	Name: text-decoration-thickenss
 	Value: auto | from-font | <<length>>
 	Initial: auto
 	Applies to: all elements
@@ -127,7 +127,7 @@ Text Decoration Line Thickness: the 'text-decoration-width' property</h3>
 
 	Values have the following meanings:
 
-	<dl dfn-for=text-decoration-width dfn-type=value>
+	<dl dfn-for=text-decoration-thickness dfn-type=value>
 		<dt><dfn>auto</dfn>
 		<dd>
 			The UA chooses an appropriate thickness for text decoration lines;
@@ -138,7 +138,7 @@ Text Decoration Line Thickness: the 'text-decoration-width' property</h3>
 			If the <a>first available font</a> has
 			metrics indicating a preferred underline width,
 			use that width,
-			otherwise behaves as ''text-decoration-width/auto''.
+			otherwise behaves as ''text-decoration-thickness/auto''.
 
 		<dt><dfn><<length>></dfn>
 		<dd>
@@ -148,6 +148,12 @@ Text Decoration Line Thickness: the 'text-decoration-width' property</h3>
 			so that the line thickness scales with the font.
 	</dl>
 
+	ISSUE: While <code>text-decoration-thickness</code> seems to be more intuitive
+	than <code>text-decoration-width</code> for English-speakers,
+	other line-thicknesses in CSS
+	(e.g. <code>border-width</code> and <code>column-rule-width</code>)
+	are called “widths”.
+
 <h4 id="text-decoration-thickness">
 Automatic Thickness of Text Decoration Lines</h4>