2.13.7 documentation PDFs?

[Kieren MacMillan]

Hi all,

On lilypond.org, I can't seem to locate the 2.13.7 doc PDFs (the only  
doc format I ever use).
In particular, the Notation Reference and Usage don't have the old  
"one big PDF" top-link, and the "Manuals" links (which promises other  
formats) appear to be broken.

Any help would be appreciated.

Thanks,
Kieren.