[css-gaps-1][editorial] Minor markup and bikeshed fixes

Author: kbabbitt

css-gaps-1/Overview.bs

@@ -979,8 +979,8 @@ Lists of values and the ''repeat-line-color/repeat()'' notation</h3>
 When interpolating ''repeat()'' values, or lists of values for 'rule-color' or 'rule-width', the interpolation proceeds in two steps:
 
 	<ol>
-	<li> <dfn>Expansion</dfn>: Expand any [=integer repeater=] into its equivalent list of values. </li>
-	<li> <dfn>List Interpolation</dfn>: Apply the [=repeatable list=] interpolation algorithm to the expanded lists, interpolating each item against its counterpart.</li>
+	<li><em>Expansion:</em> Expand any [=integer repeater=] into its equivalent list of values. </li>
+	<li><em>List Interpolation:</em> Apply the [=repeatable list=] interpolation algorithm to the expanded lists, interpolating each item against its counterpart.</li>
 	</ol>
 	<div class="example">
 		<pre class="lang-css">
@@ -1046,25 +1046,28 @@ When interpolating ''repeat()'' values, or lists of values for 'rule-color' or '
 
 
 <h5 id="auto-repeaters">Lists with Auto Repeaters</h5>
-	<div algorithm>
+	<div algorithm="interpolate with auto repeaters">
 
-		To <dfn>interpolate with auto repeaters</dfn>, when either of the lists we are interpolating between (|from| and |to|) include an <a>auto repeater</a>:
+		When either of the lists we are interpolating between (|from| and |to|) include an <a>auto repeater</a>:
 
 			<ol>
 				<li>
-				Split each of |from| and |to| into segments, similar to how we [=assign gap decoration values=]:
-				Let |leading values| be the values before the <a>auto repeater</a>.
-				Let |trailing values| be the values after the <a>auto repeater</a>.
-				Let |auto values| be the values inside the <a>auto repeater</a>.
+					Split each of |from| and |to| into segments, similar to how we [=assign gap decoration values=]:
+					<ol>
+						<li>Let |leading values| be the values before the <a>auto repeater</a>.</li>
+						<li>Let |trailing values| be the values after the <a>auto repeater</a>.</li>
+						<li>Let |auto values| be the values inside the <a>auto repeater</a>.</li>
+					</ol>
 				</li>
 				<li>If only one of |from| or |to| contains an auto-repeater, we fall back to [=discrete=] interpolation.</li>
 				<li>Expand any integer repeaters on each segment.</li>
 				<li>
-				If the length of |leading values| in |from| and |leading values| in |to| don't match, we fall back to [=discrete=] interpolation.
-				If the length of |trailing values| in |from| and |trailing values| in |to| don't match, we fall back to [=discrete=] interpolation.
+					If the length of |leading values| in |from| and |leading values| in |to| don't match, we fall back to [=discrete=] interpolation.
+					If the length of |trailing values| in |from| and |trailing values| in |to| don't match, we fall back to [=discrete=] interpolation.
 				</li>
-				<li>When both |from| and |to| contain auto-repeaters, and the length of their segments match as described above, we apply <a>list interpolation</a> to each segment.
-				Applying <a>list interpolation</a> to the |auto values| means applying it to the list of values inside the repeater.
+				<li>
+					When both |from| and |to| contain auto-repeaters, and the length of their segments match as described above,
+					apply [=repeatable list=] interpolation to the lists of values in each |auto values|.
 				</li>
 			</ol>
 
@@ -1090,8 +1093,7 @@ When interpolating ''repeat()'' values, or lists of values for 'rule-color' or '
 				to   { column-rule-width: 20px 30px repeat(auto, 40px 50px) 40px }
 			}
 			</pre>
-			Length of the |leading values| and |trailing values| across |from| and |to| match, so we can apply the [=repeatable list=] algorithm to each segment,
-			applying <a>list interpolation</a> to list of values in the |auto repeat| segment.
+			Length of the |leading values| and |trailing values| across |from| and |to| match, so we can apply the [=repeatable list=] algorithm to each segment.
 			<pre>
 			From:   10px 20px repeat(auto, 20px 20px) 30px
 			At 50%: 15px 25px repeat(auto, 30px 35px) 35px
@@ -1215,8 +1217,8 @@ Changes since the <a href="https://www.w3.org/TR/2025/WD-css-gaps-1-20250417/">1
 			(<a href="https://github.com/w3c/csswg-drafts/issues/11814">Issue 11814</a>)
 		<li>Added links to WPT suite.
 		<li>Updated 'rule-paint-order' to 'rule-overlap'. (<a href="https://github.com/w3c/csswg-drafts/issues/12540">Issue 12540</a>)
-		<li>Updated the definition for intersections to use 'gutter'. (<a href="https://github.com/w3c/csswg-drafts/issues/12084">Issue 12084</a>)
+		<li>Updated the definition for intersections to use [=gutter=]. (<a href="https://github.com/w3c/csswg-drafts/issues/12084">Issue 12084</a>)
 		<li>Updated trailing gap decoration assignment to use values in forward order. (<a href="https://github.com/w3c/csswg-drafts/issues/12527">Issue 12527</a>)
-    	<li>Specified the interpolation behavior for values which may contain repeaters.
+		<li>Specified the interpolation behavior for values which may contain repeaters.
 			(<a href="https://github.com/w3c/csswg-drafts/issues/12431">Issue 12431</a>)
 	</ul>