[Put a pointer to a webified version of itcl.n and itclvars on this page]
% package require Itcl 3.2 %
[incr Tcl] is a longer, more entertaining name that people use to refer to the same same bit of code, but the name of the package, as installed, is Itcl.
The itcl package consists of the following command names:
For a threaded Version of Itcl, see Threaded Itcl