Ticket #60872: 60872.4.patch

wp-includes/css/dist/block-library/style-rtl.css

@@ -2452 +2452 @@
   width:-moz-fit-content;
   width:fit-content;
 }
-.wp-block-read-more:not([style*=text-decoration]),.wp-block-read-more:not([style*=text-decoration]):active,.wp-block-read-more:not([style*=text-decoration]):focus{
+
+.wp-block-read-more:where(:not([style*=text-decoration])) {
+  text-decoration: underline;
+}
+
+.wp-block-read-more:not([style*=text-decoration]):active,.wp-block-read-more:not([style*=text-decoration]):focus{
   text-decoration:none;
 }
 

wp-includes/css/dist/block-library/style.css

@@ -2452 +2452 @@
   width:-moz-fit-content;
   width:fit-content;
 }
-.wp-block-read-more:not([style*=text-decoration]),.wp-block-read-more:not([style*=text-decoration]):active,.wp-block-read-more:not([style*=text-decoration]):focus{
+
+.wp-block-read-more:where(:not([style*=text-decoration])) {
+  text-decoration: underline;
+}
+
+.wp-block-read-more:not([style*=text-decoration]):active,.wp-block-read-more:not([style*=text-decoration]):focus{
   text-decoration:none;
 }