Are there Unicode symbols for parenthesis generator symbols?

[Andrew West]

On 26 June 2016 at 14:00, Philippe Verdy <verdy_p at wanadoo.fr> wrote:
> But there are also variants of U+2264 (≤) and U+2265 (≥) with dots within
> the bracket (starting page 973 in the same book) for "weak precedence" of
> operators...

starting page 273

> These variants (used to compine ⋖ or ⋗ with ≐) don't seem to be encoded.

No, but there are U+2A7F ⩿ and U+2A80 ⪀ with slanted equals which might suffice.

Andrew