I was reading through the implementation of defconst-1, but was confused
by the docstring that states:

   More specifically behaves like (defvar SYM 'INITVALUE DOCSTRING).

Isn't the point of defconst-1 as a functional variant of defconst, that
SYM will evaluate to a symbol?  And why should INITVALUE be quoted?
Unless I am mistaken, this patch ought to resolve the confusion: