Character from argument disappears

[Pepe]

Using Qt 4.3 on Windows XP.

If I pass to my application from command line a filename (or any text) which contains the character ' (apostrophe), that character disappears. Example: "hello'goodbye" turns into "hellogoodbye".

The code I use is something like this:

QApplication a( argc, argv );
QString argument = QString::fromLocal8Bit( a.argv()[1] )

QApplication a( argc, argv );
QString argument = QString::fromLocal8Bit( a.argv()[1] )

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The same code on Linux with Qt 4.2.3 works ok, no character missing.

Am I doing something wrong? Or is it a bug?