On Sat, Feb 1, 2014 at 7:51 PM, Terry Reedy <tjreedy at udel.edu> wrote: > I should have added 'to C itself', as the string terminator. Oh, right. Yes, in that sense \0 is special. It's still wrong that an incoming text string gets interpreted as code, but that's probably just a consequence of the jump from Python to Tcl. ChrisA