Cosmetic change

Add lexical-binding file variable

* mcs-e20.el (charsets-mime-charset-alist): Remove unneeded delq.

Add workflow to update package

* apel-pkg.el: Add :maintainers property.

* mule-caesar.el (mule-caesar-region): Use `ash' instead of `lsh'.

Update docstring syntax

Fold docstring within 80 characters

Merge pull request #11 from tats/bug/fontset

Fix fontset-pixel-size failure

Revive poe.el's dependency on pym.el

Remove conditional definition of functions and variable.

Remove codes for old platforms.

Update package description file for MELPA.

* product.el: Remove unneeded dependency on pym.el.