> I found an example: Tchaikovsky’s Fifth Symphony, fourth movement,
> measures 129, 133, 134, and 137, in the Flutes I and II
> staff. Attached are screenshots of two different engravings. [...]
>
> LilyPond seems to be following Breitkopf & Härtel’s style (ledger
> lines of different widths). But Muzgiz’s style (uniform width) is
> what my eyes want/expect.
OK, this means LilyPond's behaviour is not a buglet, and what you want
is a different ledger line behaviour. Please open an issue in the
tracker, provide real-world images (ideally with a larger zoom), and
mark it as 'enhancement'.
Werner
