Re: landscape orientation differences between versions

[address@hidden]

Thanks for the hint; works as expected.

The second part you pasted from the documentation containing the crucial
part "a6landscape" is missing in the german version of
http://lilypond.org/doc/v2.19/Documentation/notation/paper-size-and-automatic-scaling.
And my default browser settings are german :-/

Am 04.05.2019 um 16:26 schrieb David Kastrup:
> "address@hidden" <address@hidden> writes:
>
>> Hello everybody
>>
>> I'm working with Lilypond for several months now, and my experiments get
>> more and more realistic and interesting ;-) So I will follow up with
>> specific questions soon and hope someone may be able to give me advice.
>>
>> As I'm new to this list, I would like to ask how I should handle the
>> following observation:
>>
>> Let's start with the following code fragment:
>>
>> {code}
>> \version "2.18.2"
>>
>> \book {
>>   \paper {
>>     #(set-paper-size "a5" 'landscape)
>>   }
>>   \score {
>>     \new Staff
>>     <<
>>       { \relative c'{ c d e f}}
>>     >>
>>     \layout {
>>     }
>>   }
>> }
>> {code}
>>
>> When I render this code with Lilypond v2.18.2, the PDF appears in
>> landscape view as expected - be it in Adobe Reader or in the Frescobaldi
>> score view.
>>
>> When I render this code with Lilypnd v2.19.83, the PDF is rendered in
>> portrait orientation (and displayed so in the viewers mentionned).
>>
>> When I change the version hint in the code to
>> {code}
>> \version "2.19.83"
>> {code}
>> and render the code with Lilypond v2.19.83, the PDF is rendered in
>> portrait orientation.
>>
>> *Summary*
>> File version hint    Lilypond version   PDF orientation
>> 2.18.2               2.18.2             landscape
>> 2.18.2               2.19.83            portrait
>> 2.19.83              2.19.83            portrait
>>
>> Is this a bug? Where to post it? Or have I missed something?
>
> When something changes, it may be worth reading the manual.  From the
> paper size section of 2.19:
>
> <http://lilypond.org/doc/v2.19/Documentation/notation/paper-size-and-automatic-scaling>
>
>     If the symbol 'landscape is added to the paper size function, pages
>     will be rotated by 90 degrees, and wider line widths will be set
>     accordingly.
>
>         #(set-default-paper-size "a6" 'landscape)
>
>     Swapping the paper dimensions without having the print rotated (like
>     when printing to postcard size, or creating graphics for inclusion
>     rather than a standalone document) can be achieved by appending
>     ‘landscape’ to the name of the paper size itself:
>
>         #(set-default-paper-size "a6landscape")
>
>     When the paper size ends with an explicit ‘landscape’ or ‘portrait’,
>     the presence of a 'landscape symbol only affects print orientation,
>     not the paper dimensions used for layout.
>
> I'll readily admit that it's not mentioned in the "Changes" section.
>