Re: feta-accordion.mf, convertrules.py, musicxml2ly.py: sanitize accordion symbol names (issue1908041)

[n . puttock]

http://codereview.appspot.com/1908041/diff/10002/18002
File python/convertrules.py (right):

http://codereview.appspot.com/1908041/diff/10002/18002#newcode3014
python/convertrules.py:3014: 'accDot': 'dot',
indent

http://codereview.appspot.com/1908041/diff/10002/18002#newcode3018
python/convertrules.py:3018: 'accOldEE': 'oldEE'}
missing 'accDiscant'

http://codereview.appspot.com/1908041/diff/10002/18002#newcode3019
python/convertrules.py:3019: return '"\1%s"' %  d[m.group (2)]
This doesn't work for the `accordion.' part: it returns the matched
object rather than the string.

It seems you need to expand the backreference and add an extra
backslash:

return m.expand ('"\\1%s"' %  d[m.group (2)])

http://codereview.appspot.com/1908041/show