convert-ly produces invalid output for KeySignature.c0-position

[Pavel Roskin]

Hello!

I'm using the current lilypond from git.  This is what I have before  
the conversion:

\version "2.16.0"
{
  \override KeySignature #'c0-position = #6
}

convert-ly turns it into:

\version "2.17.20"
{
  \override KeySignature.c0-position = #6
}

The original file can be processed by lilypond, but the converted file cannot.

$ lilypond converted.ly
GNU LilyPond 2.17.21
Processing `converted.ly'
Parsing...
converted.ly:3:26: error: syntax error, unexpected NOTENAME_PITCH,  
expecting SCM_IDENTIFIER or SCM_TOKEN or STRING
  \override KeySignature.
                         c0-position = #6
converted.ly:3:27: error: not a duration: 0
  \override KeySignature.c
                          0-position = #6
converted.ly:3:38: error: syntax error, unexpected '='
  \override KeySignature.c0-position
                                     = #6
converted.ly:3:40: warning: Ignoring non-music expression
  \override KeySignature.c0-position =
                                       #6
converted.ly:2:1: error: errors found, ignoring music expression

{
fatal error: failed files: "converted.ly"

--
Regards,
Pavel Roskin