Don't call pkg_info to get the installed Emacs version; always use the
version matching EMACS_TYPE set by users. Be DEPENDS to it. This should
address pkg/37146 by Aleksey Cheusov.
While here convert some emacs lisp packages to user-destdir.
Emacs Muse is an authoring and publishing environment for Emacs. It
simplifies the process of writings documents and publishing them to
various output formats.
Emacs Muse consists of two main parts: an enhanced text-mode for
authoring documents and navigating within Muse projects, and a set of
publishing styles for generating different kinds of output.