add workaround for clap issue

steveklabnik / rustdoc

Not a real thing, see https://github.com/rust-lang/rust for rustdoc's actual source code

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Closed euclio closed 7 years ago

euclio commented 7 years ago

https://github.com/kbknapp/clap-rs/issues/1056 causes additional values to be appended to the default value, instead of added. This is a quick workaround to prevent that.