fancyopts: add early-options parser compatible with getopt() The next patch will add a flag for strict parsing of early options, where we'll have to parse all early options at once instead of processing them one-by-one by dispatch._earlygetopt(). That's why I decided to hook fancyopts(). All dispatch._early*opt() functions is planned to be replaced with this function. But in this stable series, only the strict mode will be handled by fancyopts.earlygetopt().

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#require docutils gettext

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  $ $TESTDIR/check-gendoc it

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  checking for parse errors