I hope BTC see this thread and answer your question. He is the developer of spell check plugin.
There is another way to spell check see below post by Jeremy Ruston https://groups.google.com/forum/#!msg/tiddlywiki/c3y-PycRP4M/V0IyOvR0AAAJ Best -- 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 https://groups.google.com/group/tiddlywiki. To view this discussion on the web visit https://groups.google.com/d/msgid/tiddlywiki/a9f975f7-fcf9-4af7-9c91-17aa85c3b60b%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
