Re: Wrongly read property with MetronomeMark

[Kevin Barry]

I did a git bisect on this (and confirmed the result by checking that reverting
the change removes the problem):

905ba822ef656b06b1cc4f0ca33960c9c is the first bad commit
commit 2c2908c905ba822ef656b06b1cc4f0ca33960c9c
Author: Malte Meyn <lilypond@maltemeyn.de>
Date:   Sun Sep 29 10:10:35 2019 +0200

    Issue 5563: make edges of brackets dashable

    The new boolean grob property dashed-edge controls whether the edges of
    a dashed bracket are solid or dashed.

Kevin