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Options for the Tk option database

by Cameron Laird

In the first installment of this series, we mentioned three books as references for the use of the option database in its specific bindings to the Perl, Python, and Tcl languages (see the Resources section at the end of this article for pointers to this and other information). It was an oversight not to recommend Mark Harrison and Michael McLennan's Effective Tcl/Tk Programming at the same time. As master programmer and Expect inventor Don Libes wrote, "Their book is a gem and is the one that finally taught me to use the option database. They use options throughout the entire book -- which makes sense, since their whole book is about 'effective programming.'" Start with section 8.1, "Adding Polish to Your Application."

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