Programming with Qt, 2nd Edition
by Matthias Kalle Dalheimer

The following corrections were made to the 10/03 reprint:

Here's a key to the markup:
	[page-number]: serious technical mistake
	{page-number}: minor technical mistake
	<page-number>: important language/formatting problem
	(page-number): language change or minor formatting problem



{228} code example 10-1: 
The class declaration for the
ISBNValidator class HAS BEEN CHANGED to the following:

class ISBNValidator : public QValidator
{
public:
  ISBNValidator() : QValidator( 0 ) {};
  virtual State validate( QString&, int& ) const;
  virtual void fixup( QString& ) const;
};




{228} code example 10-1: 
Three instances of text[pos] 

HAVE BEEN CHANGED to text[pos-1] 

and pos >= text.length() 

HAS BEEN CHANGED to pos > text.length()