alphanumeric characters and underscores.
The first section of a configuration file is special and is referred
-to as the B<default> section this is usually unnamed and is from the
+to as the B<default> section. This section is usually unnamed and spans from the
start of file until the first named section. When a name is being looked up
it is first looked up in a named section (if any) and then the
default section.
The configuration section should consist of a set of name value pairs which
contain specific module configuration information. The B<name> represents
-the name of the I<configuration module> the meaning of the B<value> is
+the name of the I<configuration module>. The meaning of the B<value> is
module specific: it may, for example, represent a further configuration
-section containing configuration module specific information. E.g.
+section containing configuration module specific information. E.g.:
# This must be in the default section
openssl_conf = openssl_init
showing that the OID "newoid1" has been added as "1.2.3.4.1".
+=head1 ENVIRONMENT
+
+=over 4
+
+=item B<OPENSSL_CONF>
+
+The path to the config file.
+Ignored in set-user-ID and set-group-ID programs.
+
+=item B<OPENSSL_ENGINES>
+
+The path to the engines directory.
+Ignored in set-user-ID and set-group-ID programs.
+
+=back
+
=head1 BUGS
Currently there is no way to include characters using the octal B<\nnn>