Re: BUG #15356: Inconsistent documentation about CREATE TYPE

On 28/08/2018 14:56, PG Bug reporting form wrote:
> The CREATE TYPE documentation [1] specifies that enum types without any enum
> labels are possible:
>
>     CREATE TYPE name AS ENUM ( [ 'label' [, ... ] ] )
>
> I can confirm this. The following statement works well:
>
>     CREATE TYPE e AS ENUM ();
>
> However, further down in the same documentation page, we can see:
>
>     "Enum types take a list of one or more quoted labels"
>
> It should read "zero or more quoted labels". I suspect this should be
> adapted on all documentation pages from PostgreSQL 9.0 onwards. In 8.4, the
> documentation was consistent [2]

Right.  How about the attached patch?