serious (and easy) bug: convert-ly broken? in 2.10.0

[Graham Percival]

Thanks for the report!  This is a very serious bug; I can reproduce it 
with a trivial example in 2.10.0-2 on OSX.

\version "2.6.0"
\relative c'' {
  c'4
}

I think it should be easy to fix
----
  File 
"/Users/gperciva/Apps/LilyPond.app/Contents/Resources/share/lilypond/current/python/convertrules.py", 
line 2636, in conv
    r"\\override \1VerticalAxisGroup #'extra-Y-extent")
TypeError: sub() takes at least 3 arguments (2 given)
----

Han-Wen, should I add this to google?  I think it's a one-line fix, so I 
don't think it's necessary.

Cheers,
- Graham


Tapio Tuovila wrote:
> convert-ly --edit /home/[--]mov.ly
> convert-ly (GNU LilyPond) 2.10.0
> Processing `/home/[--]mov.ly'...
> Applying conversion: 2.7.0, 2.7.1, 2.7.2, 2.7.4, 2.7.6, 2.7.10, 2.7.11,
> 2.7.12, 2.7.13, 2.7.14, Traceback (most recent call last):
>   File "/home/tapu/lilypond/usr/bin/convert-ly", line 290, in ?
>     main ()
>   File "/home/tapu/lilypond/usr/bin/convert-ly", line 284, in main
>     do_one_file (f)
>   File "/home/tapu/lilypond/usr/bin/convert-ly", line 217, in do_one_file
>     (last, result) = do_conversion (infile.read (), from_version,
> to_version)
>   File "/home/tapu/lilypond/usr/bin/convert-ly", line 162, in do_conversion
>     str = x[1] (str)
>   File
> "/home/tapu/lilypond/usr/share/lilypond/current/python/convertrules.py",
> line 2636, in conv
>     r"\\override \1VerticalAxisGroup #'extra-Y-extent")
> TypeError: sub() takes at least 3 arguments (2 given)
> Processing time: 4 seconds
>
>
> Greetings,
> Tapio
>
>
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