[GH-26] Added tests to ensure that long options can start with a hyphen character #29
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This resolves #26 by ensuring that it is possible to define the hyphen (
-) and options starting with a hyphen (-XXX) as valid long options in getopts_long OPTSPEC.On the command line, this allows getopts_long to support both: the
---as a standalone option, and options starting with three hyphens, such as—XXX.