> Le 3 août 2022 à 11:44, Werner LEMBERG <w...@gnu.org> a écrit :
>
>
> Two weeks ago Dan asked the following:
>
>>> Can you force them to face each other?
>>
>> I think so, yes, with some TeX trickery.
>
> I've now had a closer look. Currently, LilyPond's PDF documentation
> is created in single-side mode, i.e., the page numbers are always in
> the upper right corner. It is possible to get a two-sided layout by
> inserting `@setchapternewpage odd`; this also makes chapters always
> start on an odd page. This first page of the visual index chapter
> could be used for some explanations, and the next two pages would be
> then facing each other, as desired.
Sorry for jumping in as someone without any expertise in typography, but I
can’t help thinking: why create the problem if it doesn’t already exist? :-)
> However, I think it would be still necessary to create the visual
> index outside of the `lilypond-book` framework; the necessary tight
> vertical typesetting is rather diametral to splitting the snippet into
> single staves that are then glued together as boxes with some vertical
> space inbetween, causing far too large vertical distances.
IIRC, it inserts the entire output instead of separate images if you use an
explicit \book.
>
>
> Werner
>