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This page contains information relating to the core rules for the current Tcl interpreter. See http://www.tcl.tk/man/tcl8.5/TclCmd/Tcl.htm for the official page.

In his latest Transforming XML column Bob DuCharme begins a multipart exploration of some of the features of the forthcoming XSLT 2.0 release. In this column DuCharme discusses the new support for tokenizing strings.

All teachers of programming find that their results display a 'double hump'. It is as if there are two populations: those who can [program], and those who cannot [program], each with its own independent bell curve. Almost all research into programming teaching and learning have concentrated on teaching: change the language, change the application area, use an IDE and work on motivation. None of it works, and the double hump persists. We have a test which picks out the population that can program, before the course begins. We can pick apart the double hump. You probably don't believe this, but you will after you hear the talk. We don't know exactly how/why it works, but we have some good theories.