Verifying understanding of RedCarpet options pt 11

The `quote` option, like the `:lax_spacing` option, is documented but
has no apparent effect; we
get the `<q> tag pair either way. Pffft.

This next (and last-in-the-arc) commit is likely to be a bit more
detailed: footnotes.

RSpec: 494 examples, 0 failures
RuboCop: 127 files inspected, no offenses detected