wip: more progress on parity docs.

Placeholders in the rsx macro for future features.

packages/core-macro/src/util.rs

@@ -97,7 +97,7 @@ static VALID_TAGS: Lazy<HashSet<&'static str>> = Lazy::new(|| {
         "source",
         "span",
         "strong",
-        "style",
+        // "style",
         "sub",
         "summary",
         "sup",