Commit ab21608952 for openssl.org

commit ab2160895262abbb9501a859d86b8740bd850a40
Author: Richard Levitte <levitte@openssl.org>
Date:   Tue Jan 12 16:14:43 2021 +0100

    Make the OSSL_SELF_TEST manual conform with man-pages(7)

    Details from man-pages(7) that are used:

        Formatting conventions for manual pages describing functions

            ...
            Variable names should, like argument names, be specified in italics.
            ...

        Formatting conventions (general)

            ...
            Special macros, which are usually in uppercase, are in bold.
            Exception: don't boldface NULL.
            ...

    Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
    (Merged from https://github.com/openssl/openssl/pull/13849)

diff --git a/doc/man3/OSSL_SELF_TEST_set_callback.pod b/doc/man3/OSSL_SELF_TEST_set_callback.pod
index beea50ff33..21d07a4aa5 100644
--- a/doc/man3/OSSL_SELF_TEST_set_callback.pod
+++ b/doc/man3/OSSL_SELF_TEST_set_callback.pod
@@ -24,7 +24,8 @@ See L<openssl-core.h(7)> for further information on the callback.
 =head1 RETURN VALUES

 OSSL_SELF_TEST_get_callback() returns the callback and callback argument that
-has been set via OSSL_SELF_TEST_set_callback() for the given library context B<ctx>.
+has been set via OSSL_SELF_TEST_set_callback() for the given library context
+I<ctx>.
 These returned parameters will be NULL if OSSL_SELF_TEST_set_callback() has
 not been called.