chore: update code comments

packages/compiler-dom/src/htmlNesting.ts

@@ -5,6 +5,8 @@
  * To avoid runtime dependency on validate-html-nesting
  * This file should not change very often in the original repo
  * but we may need to keep it up-to-date from time to time.
+ * the validate-html-nexting's new code may not work in vue
+ * double check before updating this file.
  */
 
 /**
@@ -69,15 +71,17 @@ const onlyValidChildren: Record<string, Set<string>> = {
    * https://w3c.github.io/mathml-core/#dfn-mrow
    */
   // math: new Set(['mrow']),
-  script: new Set(),
+
   // table
   table: new Set(['caption', 'colgroup', 'tbody', 'tfoot', 'thead']),
   tr: new Set(['td', 'th']),
   colgroup: new Set(['col']),
   tbody: new Set(['tr']),
   thead: new Set(['tr']),
   tfoot: new Set(['tr']),
+
   // these elements can not have any children elements
+  script: emptySet,
   iframe: emptySet,
   option: emptySet,
   textarea: emptySet,