perl -i~ -pe 's!../lilypond-internals!lilypond-internals/!g' $(outdir)/lilypond.html
rm -f $(outdir)/lilypond/*.png $(outdir)/lilypond/*.ly
# symbolic links to save space
- -ln -sf $(outdir)/*.png $(outdir)/*.ly $(outdir)/lilypond/
+ (cd $(outdir)/lilypond/ ; ln -sf ../*.png ../*.ly . )
$(outdir)/lilypond-internals/lilypond-internals.html: $(outdir)/lilypond-internals.texi
mkdir -p $(dir $@)