[Zope] Quoting quotes

I have a little dtml and python and I'd like to call the python with a string containing a double quote: <dtml-var expr="pything('she said "Yes."')"> Obviously, this doesn't work. Not so obviously, these don't work either. <dtml-var expr="pything('''She said "Yes."''')"> <dtml-var expr="pything('She said \"Yes.\"')"> The only solution I've found is the icky: <dtml-var expr="pything('She said \x22Yes.\x22')"> or <dtml-var expr="pything('She said \042Yes.\042')"> Is that the only way? Does dtml lack any kind of escape sequence? I can understand why there wouldn't be one but I'd like to be sure before I go