[STUMP] Why does `defcommand' export the command symbol?

"Diogo F. S. Ramos" <[email protected]>
Newsgroups gmane.comp.window-managers.stumpwm.devel
Message-ID <[email protected]> 
The `defcommand' macro has a (export ',name) form to export the symbol
`name', which gives the defining command its name.

Why does it do it?
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