It's all in the details, from man-pages(7):
Formatting conventions for manual pages describing functions
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Variable names should, like argument names, be specified in italics.
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Formatting conventions (general)
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Special macros, which are usually in uppercase, are in bold.
Exception: don't boldface NULL.
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Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/10034)
Move manpages to manX directories
Add Windows/VMS install fix from Richard Levitte
Update README
Fix typo's
Remove some duplicates
Reviewed-by: Richard Levitte <levitte@openssl.org>
