=head1 NOTES
-=head2 Tracing disabled
+=head2 Configure Tracing
-The OpenSSL library may be built with tracing disabled, which makes
-everything documented here inoperational.
+By default, the OpenSSL library is built with tracing disabled. To
+use the tracing functionality documented here, it is therefore
+necessary to configure and build OpenSSL with the 'enable-trace' option.
When the library is built with tracing disabled, the macro
C<OPENSSL_NO_TRACE> is defined in C<openssl/opensslconf.h> and all