[plt-scheme] string delimiters in SLaTeX

Robby Findler wrote:
> Yeah, that output's definitely wrong. Not sure what's different about
> your setup, tho. Do you get this:
> 
> \ZZZZschemecodeintext
> \dt{{\dq}Test with hard quotes{\dq}}%
> \endZZZZschemecodeintext
> 
> in your .Z1tmp.tex file (it will be called that if the tex file is
> called tmp.tex)?
> 
> If so, maybe you could look into redefining the \dq macro?

Yes, I get that exactly. slatex.sty defines \dq:

\chardef\dq=`\"

What should I define it to, and why should it be necessary? (Sorry, this 
has strayed into TeX wizardry.) --PR