> Two sided mode in LilyPond version 2.18.2. [...]
Mirosław,
the 2.18.x series will no longer be updated. Please try the current
development version! IMHO, it is stable enough for daily use. [And
don't forget to use `convert-ly' to update your files to the recent
syntax.]
Another is
Two sided mode in LilyPond version 2.18.2.
1. Usually printed publications are made int two sided mode.
2. It implies that istead of margins left and right are inner and outer.
3. Bug: when two sided mode is set (two-sided = ##t), then margins are
always the same and unexpected, even