[Zope] Escaping parens for ZCTextIndex?

[Robert Casties]

Hi List,

I have a full text index, created using a custom splitter, that contains
words with parens inside e.g. "3(u at c)" (n.b. it's from cuneiform tablets).

Now I want to search for these words in the index but I am unable to get
the parens in the query to get past the QueryParser which flags the
expression as an error.

Is there a way to do either escape the parens or bypass the QueryParser?

Thanks
	Robert