* lily/lexer.ll (init_signature_has_table): Add

* lily/lexer.ll (init_signature_has_table): Add
`scm-scm-music-music'.

* lily/parser.yy (MUSIC_FUNCTION_SCM_SCM_MUSIC_MUSIC): New token.
(Generic_prefix_music_scm): Add rule for it.

* lily/quote-iterator.cc (Quote_iterator::process): Handle
`quoted-transposition' property.

* ly/music-functions-init.ly (transposedCueDuring): New function.

* scm/define-music-properties.scm (all-music-properties): Updated.

* Documenation/topdocs/NEWS.itely: Document it.