bug#42199: Suggestion: Offer Emacs manual, org-mode manual, org-guide in double-sided fashion for printing

[Sebastian Urban]

Hello Jan,

> According to the appendix E of the texinfo manual [3], one has to
> add the line "@setchapternewpage odd" after the line "@titlepage"

Appendix E:
> The '@end titlepage' command causes TeX to begin to generate page
> headings according to a standard format specified by the
> '@setchapternewpage' command that precedes the '@titlepage' section.
>                                   ^^^^^^^^

1. You should put "@setchapternewpage odd" before the titlepage.
I suggest right after 1st line (\input ...) or after "@include
docstyle.texi".

2. "@setchapternewpage odd" will put every new chapter page on the
right-hand page (the one with odd number), which will add ~30
additional pages - unless you really want new chapters to start on
right-hand page.

It would be better if you would use texinfo.tex>=2020-05-14 and put
"@headings double" like this:

--8<---------------cut here---------------start------------->8---
--- old/emacs.texi
+++ new/emacs.texi
@@ -99,10 +99,13 @@

 @end titlepage

+@headings double

 @summarycontents
 @contents


 @ifnottex
 @node Top
--8<---------------cut here---------------end--------------->8---

3. Since Emacs 27.1 is not that far away, perhaps it would be a good
idea to hold up printing, and wait a bit for an updated manual?


S. U.