@ifinfo
@macro rgrob {word}
@ref{ (lilypond-internals)\word\, \word\ },

@end macro
@macro reng {word}
@ref{ (lilypond-internals)Engraver \word\, \word\ },

@end macro
@end ifinfo

@ifnotinfo
@macro rgrob {word}
@ref{ (lilypond-internals)\word\, \word\ }

@end macro
@macro reng {word}
@ref{ (lilypond-internals)Engraver \word\, \word\ }

@end macro
@end ifnotinfo