To upgrade LilyPond fragments in texinfo files, use
@example
-convert-ly --from=... --to=... --no-version *.itely
+convert-ly --from=@dots{} --to=@dots{} --no-version *.itely
@end example
To see the changes in the LilyPond syntax between two versions, use
@example
-convert-ly --from=... --to=... -s
+convert-ly --from=@dots{} --to=@dots{} -s
@end example