table formatting

Author: svgeesus

css-color-4/Overview.bs

@@ -1936,7 +1936,7 @@ Predefined colorspaces: ''srgb'', ''image-p3'', and ''rec2020''.</h3>
 				<tr><th>Green chromaticity</th><td>0.300</td><td>0.600</td></tr>
 				<tr><th>Blue chromaticity</th><td>0.150</td><td>0.060</td></tr>
 				<tr><th>White chromaticity</th><td>0.3127</td><td>3290</td></tr>
-				<tr><th>Transfer function</th><td>see below</td></tr>
+				<tr><th>Transfer function</th><td rowspan="2">see below</td></tr>
 			</table>
 
 			<pre class="lang-javascript">
@@ -1964,7 +1964,7 @@ Predefined colorspaces: ''srgb'', ''image-p3'', and ''rec2020''.</h3>
 				<tr><th>Green chromaticity</th><td>0.265</td><td>0.690</td></tr>
 				<tr><th>Blue chromaticity</th><td>0.150</td><td>0.060</td></tr>
 				<tr><th>White chromaticity</th><td>0.3127</td><td>0.3290</td></tr>
-				<tr><th>Transfer function</th><td>same as srgb</td></tr>
+				<tr><th>Transfer function</th><td rowspan="2">same as srgb</td></tr>
 			</table>
 
 		<dt><dfn>rec2020</dfn>
@@ -1981,7 +1981,7 @@ Predefined colorspaces: ''srgb'', ''image-p3'', and ''rec2020''.</h3>
 				<tr><th>Green chromaticity</th><td>0.170</td><td>0.797</td></tr>
 				<tr><th>Blue chromaticity</th><td>0.131</td><td>0.046</td></tr>
 				<tr><th>White chromaticity</th><td>0.3120</td><td>0.3290</td></tr>
-				<tr><th>Transfer function</th><td>1/2.4 (see note)</td></tr>
+				<tr><th>Transfer function</th><td rowspan="2">1/2.4 (see note)</td></tr>
 			</table>
 
 			Note: Rec2020 references a different transfer curve for cameras. However