Data detector for Safari similar to Mail.app? Does Safari have a similar data detector system like Mail.app? I don't think it has this because I am trying to add an event based on date and it doesn't occur. Is the data detector system limited on Safari compared to the Mail app?
Safari only supports the telephone data detector.

It's currently not possible to enable the other data detectors in Safari. (Is there a Safari Extension for adding Mail-style Data Detectors to Web Pages?)