[Pharo-dev] [update 2.0] #20604

[Marcus Denker]

20604
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10653   Some Jenkins images show a stdout is closed error
        https://pharo.fogbugz.com/f/cases/10653
Diff information:
http://ss3.gemstone.com/ss/Pharo20/System-CommandLine-MarcusDenker.81.diff