like Twisted, Foolscap, pycryptopp, and zfec. "``tahoe --version-and-path``"
will also show the path from which each library was imported.
-On Unix systems, the shell expands filename wildcards (`` * and ? ``)
+On Unix systems, the shell expands filename wildcards — ``'*'`` and ``'?'`` —
before the program is able to read them, which may produce unexpected
results for many ``tahoe`` comands. We recommend, if you use wildcards,
to start the path with "``./``", for example "``tahoe cp -r ./* somewhere:``".