Generate a PDF from scans/photos of the pages of "Flower Of The West: The Runrig Songbook" by Calum and Rory Macdonald (2000; ISBN 0-9539452-0-0 / 978-0-9539452-0-7).
Put image files in the sibling directory ../pages named with leading
zeros like 001.jpg (see names.toml). The front and
back pages are numbered 000a, 000b, 297a, and 297b.
Blank pages should be omitted. Missing pages will not be included in the
output.
Run make to generate PDFs of various sizes and JPEG quality.