Normally noheadings=true prevents 'duplicate' headings - one in content and one as part of metadata. However, since Main_Page is never sectionized, specifying noheadings just scrubs the headings, without making them available anywhere.
noheadings should have no effect on Main Pages - noheadings kills section headings, and since there are 'technically' no sections on Main Page (everything is returned as one blob), it makes no sense.
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