As Jeremy wrote you should think about, to include the class parameter in the macro and create the HTML in the macro. IMO this is creates a much cleaner experience.
<<ximg toc.jpg tooltip:"example toc from tiddlywiki.com" class:"myClass">> -mario -- You received this message because you are subscribed to the Google Groups "TiddlyWiki" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/tiddlywiki. For more options, visit https://groups.google.com/d/optout.

