Torsten Reincke <berg@typoscriptics.de> wrote: >> Is there a guide how to upgrade an old Tcl/Tk application to Tcl/Tk 8.5? >> Is there a (semi-)automatic way to do it? > What you can find on th wiki is this: > http://wiki.tcl.tk/10630 The one change, I'd consider most likely to surprise anyone (who didn't follow this group or other ressources during the last few years), is that integer-operations no longer wrap around at 2^31.