How to make an object take up no space

[Steven Weber]

As part of my ongoing project to typeset “highlighting” marks I’ve hit another problem:  I’m trying to highlight repeat bar lines, but the highlighting code keeps interfering with my skylines.  Since I’m manually placing it (for the moment) and doing so in a negative layer, I’d like to tell lilypond to completely ignore it when determining spacing (mostly vertically, but I assume I’ll want it to take no horizontal space as well).

 

I’ve tried extra-spacing-height, y-extent, and negative padding all with no luck.  It seems like maybe what I want to override is the vertical-skylines, but I don’t know how to create a skyline object with the right values and couldn’t find any hints in the manual.

 

Any suggestions?

 

Thanks!

 

--Steven

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