With --tidy flag, TeX/texinfo.tex fails to find snippets PDF files in
out-www/XX subdirs.
# todo: add latex.
PDF_FILES = $(TELY_FILES:%.tely=$(outdir)/%.pdf)
-# this prevents aux files from being reused for translated docs
-TEXI2PDF_FLAGS = --tidy
MAIN_INFO_DOC = lilypond
INFO_DOCS = lilypond lilypond-internals music-glossary lilypond-program lilypond-learning
MAKEINFO_FLAGS += --force --enable-encoding -D 'version $(TOPLEVEL_VERSION)' $(DOCUMENTATION_INCLUDES)
MAKEINFO = LANG= $(MAKEINFO_PROGRAM) $(MAKEINFO_FLAGS)
-TEXI2PDF_FLAGS += --batch --tidy --command '@set version $(TOPLEVEL_VERSION)'
+TEXI2PDF_FLAGS += --batch --command '@set version $(TOPLEVEL_VERSION)'
TEXI2PDF_FLAGS += $(DOCUMENTATION_INCLUDES)
TELY_FILES = $(call src-wildcard,*.tely)