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)
This means include deallocation information in the return from
the ossl_param_bld_to_param function.
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9404)
A fuller implementation of PARAMS_TEMPLATE as per #9266 but renamed.
This introduces a statis data type which can be used to constructor a
description of a parameter array. It can then be converted into a OSSL_PARAM
array and the allocated storage freed by a single call to OPENSSL_free.
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9305)
