Issue 1105 #1109
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Issue 1105 #1109
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…as provided
Since options have `empty_values(true)` by default, so long as another valid flag
or option came after the option in question, clap would parse it as an empty value
incorrectly. This commit forces the user to explicitly add an empty value.
`--option "" --flag` is allowed
`--option --flag` is no longer allowed unless the user has *also* set `min_values(0)`
This commit also fixes an issue where `-o=` would be parsed as a value of `Some("=")`
instead of `Some("")`.
Closes #1105
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This change is