This syntax is not standardized. Furthermore, assuming it means something like "CEReactions processing does not apply", that seems false, since changing these IDL attributes can cause DOM changes (by changing their corresponding content attributes). So just [CEReactions] seems more appropriate.
This syntax is not standardized. Furthermore, assuming it means something like "CEReactions processing does not apply", that seems false, since changing these IDL attributes can cause DOM changes (by changing their corresponding content attributes). So just
[CEReactions]seems more appropriate.