Please roll this change back.  As I explained to Shiro (but accidentally made a private reply), the remark is relevant to the three predicates <, =, > only, and should be placed below the introductory paragraph.

On Tue, Jul 3, 2018 at 5:51 PM, Arthur A. Gleckler <xxxxxx@speechcode.com> wrote:
On Tue, Jul 3, 2018 at 12:54 AM Shiro Kawai <xxxxxx@gmail.com> wrote:
Under "submappings" section it says:

    Note: The following three predicates ...

But there are five predicates.

​Thank you very much.  I've fixed the mistake and added a note to that effect to the Status section.​