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Yes, but many apps show help text when incorrect arguments are provided so, it’s an error in those cases. The dev probably doesn’t want to bother with using dif

by sedatk 6y ago

Yes, but many apps show help text when incorrect arguments are provided so, it’s an error in those cases. The dev probably doesn’t want to bother with using different output channels for the same help text.

ithkuil 6y ago
That a dev of an arbitrary tool may not bother is understandable. However, the dev of the flags parsing library should bother.
pimlottc 6y ago
Sure, of course sometimes it should be on stderr. It's a pretty simple fix to have it choose the right channel, though.