[css-gaps-1] Clarify that alignment space contributes to gap size. #12922

Author: kbabbitt

css-gaps-1/Overview.bs

@@ -95,6 +95,10 @@ Value Definitions</h3>
 			See [[css-grid-1#gutters]] for precise details.
 	</dl>
 
+	Note: As specified in [[CSS-ALIGN-3#column-row-gap]],
+	additional spacing between items added by 'justify-content' and 'align-content'
+	is included in [=gap=] size.
+
 	<div class="example">
 		<figure>
 			<img alt="" src="images/grid-gaps.png">
@@ -2177,4 +2181,6 @@ 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/12201">Issue 12201</a>)
 		<li> Added section for gap decorations next to empty grid areas.
 			(<a href="https://github.com/w3c/csswg-drafts/issues/12602">Issue 12602</a>)
+		<li> Clarified that alignment space contributes to gap size.
+			(<a href="https://github.com/w3c/csswg-drafts/issues/12922">Issue 12922</a>)
 	</ul>