Phew
The command prompt method solved.
C:\Program Files (x86)\LilyPond\usr\bin>convert-ly -e -b
"C:\users\peter\Lilypool\Music_Files\Bouffil\Opus7 No 1\alto.ly"
convert-ly.py (GNU LilyPond) 2.19.81
convert-ly.py: Processing `C:\users\peter\Lilypool\Music_Files\Bouffil\Opus7
No 1\alto.ly'.
Hello,
until now I used lilypond version 2.1.28 and it works fine. :)
Now I've installed successfully lilypond version 2.1.34, and there is a
problem with convert-ly:
The command
convert-ly -e --from=2.1.28 op-9.2.ly
creates an empty file named op-9.2.ly.NEW, and the original fi
