> I fully agree. However, what I don't understand is why a zero-width
> non-musical paper column has a non-zero ideal spring distance.
> Additionally, this 0.5 value is hard-coded and undocumented,
> apparently present in the code since the very beginning.
Well, it's not zero-width, since it
>> Why does the `NonMusicalPaperColumn` grob have a width of 0.5
>> units? Where it is defined?
>
> Are you referring to the blue arrow from the second-to-last
> non-musical column to the last rest? That's not a width, it's the
> [ideal] distance to the last rest's musical column.
Yes, it was
> it's the minimum distance to the last
Correction: the *ideal* distance
signature.asc
Description: This is a digitally signed message part
> Why does the `NonMusicalPaperColumn` grob have a width of 0.5 units? Where it
> is defined?
Are you referring to the blue arrow from the second-to-last non-musical column
to the last rest? That's not a width, it's the minimum distance to the last
rest's musical column.
Also, why would
Consider this example
```tex
\version "2.19.2"
music = { r4 r r \mark III r }
{ \music }
{ \override Score.RehearsalMark.non-musical = #'()
\music }
\layout {
\context {
\Score
\override NonMusicalPaperColumn.stencil = #ly:paper-column::print
\override PaperColumn.stencil =
