This has always been possible, but the syntax is a bit obscure,
and our user-facing docs were not very helpful. Spell it out
more clearly.
Per complaint from Dominique Devienne. Back-patch to
all supported branches.
Discussion: https://postgr.es/m/CAFCRh-8JNEy+dV4SXFOrWca50u+d=--TO4cq=+ac1oBtfJy4AA@mail.gmail.com
the role (that is, the right to do <command>SET ROLE</command>), while
<literal>USAGE</literal> denotes whether the privileges of the role
are immediately available without doing <command>SET ROLE</command>.
+ <literal>WITH ADMIN OPTION</literal> or <literal>WITH GRANT
+ OPTION</literal> can be added to either of these privilege types to
+ test whether the <literal>ADMIN</literal> privilege is held (all
+ four spellings test the same thing).
</para>
<para>