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Running Python (Windows) with _spawnvp requires unexpected quotes around arguments

Elmar Krieger
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The _spawnvp function expects the command line arguments as a NULL
terminated list of char * pointers, hence there is no need to enclose
filenames with quotes if they contain spaces.
However, if I run pythonw.exe with _spawnvp, and the Python script to
execute (that's the second command line parameter) has spaces in the
pathname, it only works if the pathname is enclosed with quotes.
Is that OK?

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