Ironically the Sourceforge project was formed this summer because PPT is dead, TC has no time for it. But yes, the owners are rather busy and slow to respond. Simon Cozens had an interesting and related project named Perlix that he wrote about in TPJ, however it was lost during a move :-/

You might also find some of the Perl shells to be useful, such as this one.

--
perl -pe "s/\b;([st])/'\1/mg"