Lilypond 1.5.56 compilation error

[Marco Caliari]

Hello.

I have applied the patch lilypond-1.5.55-1.5.56.diff to my lilypond-1.5.55 
tree, runned autoconf, configure and make all. The result is

/usr/bin/python ../.././scripts/lilypond-book.py -I 
/usr/local/src/TARS.GZ/lilypond-1.5.56/Documentation/user -I ./out 
-I../.././input -I ../.././input/tricks/ -I ../.././input/regression/ -I 
../.././input/test/ -I ../.././input/tutorial/ -I 
/usr/local/src/TARS.GZ/lilypond-1.5.56/mf/out -I 
/usr/local/src/TARS.GZ/lilypond-1.5.56/mf/./out/ --dependencies 
--outdir=./out --format=texi --no-lily  lilypond.tely
invalid regexp: 
(?m)(?P<match><lilypondfile(?P<options>[^>]*)?>\s*(?P<filename>.*?)\s*</lilypondfile>)
Traceback (most recent call last):
  File "../.././scripts/lilypond-book.py", line 647, in ?
    raise "Invalid re"
Invalid re
make[2]: *** [out/lilypond.nexi] Error 1
make[2]: Leaving directory 
`/usr/local/src/TARS.GZ/lilypond-1.5.56/Documentation/user'
make[1]: *** [all] Error 2
rm out/index.texi
make[1]: Leaving directory 
`/usr/local/src/TARS.GZ/lilypond-1.5.56/Documentation'
make: *** [all] Error 2

I'm using Mnadrake 8.2

Marco