bug#44504: 27.1; feature request: doc-view support for Djvu documents

[Roland Winkler]

On Mon Nov 9 2020 Lars Ingebrigtsen wrote:
> "Roland Winkler" <winkler@gnu.org> writes:
> 
> > So I suggest to update this line and mention Djvu documents, too,
> > plus odf documents (mentioned in the docstring for
> > doc-view-doc-type).
> 
> OK, done on the Emacs 27 branch.  

Thank you!  My apologies for being picky: How about also updating
the first line of doc-view.el to

;;; doc-view.el --- Document viewer for Emacs -*- lexical-binding: t -*-