Re: pcase docs

[Eli Zaretskii]

> From: Michael Heerdegen <address@hidden>
> Date: Fri, 22 Jan 2016 20:58:06 +0100
> Cc: address@hidden
> 
> And pcase-defmacro is intended for developers of (internal) packages
> like seq etc, so it must not have to be described broadly.

Since we don't have a separate "Emacs Lisp for Developers of Internal
Packages" manual, I don't see why we should omit these or describe
them in less detail.  Otherwise, where would those developers learn
about the likes of pcase-defmacro?