#1 typo in section 2.1

[Anonymous]

In Section 2.1 Initial layout size and position, there is the
followin code:
AppFrame::AppFrame (...
...
SetSize (DetermineFrameSize ());
...
}

And then the function DetermineFrameSize() is defined as

wxRect AppFrame::DetermineFrameSize (wxConfig* config)

The definition didn't need "wxConfig* config", the funciton
is used without argument.

[Otto Wyss]

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This is a stripped down version of a function with is
acually defined as "DetermineFrameSize (wxConfig* config =
NULL)" in the class definition. Since this definition isn't
shown and the "config" isn't used it should be removed.