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

[Rudolf Schlatte]

"Roland Winkler" <winkler@gnu.org> writes:

> On Mon Nov 9 2020 Roland Winkler wrote:
>> 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 -*-
>
> ...And the section "Requirements" is likewise outdated. How about
> adding:
>
> ;; Djvu documents require `ddjvu' (from DjVuLibre).
> ;; ODF files require `soffice' (from LibreOffice).
>
> Actually, I do not know about `soffice'.  Is this also part of
> some (outdated?) Openoffice?

OpenOffice started life in Germany as StarOffice, so the executable name
would make sense.