[Lilypond-auto] [LilyIssues-auto] [testlilyissues:issues] Re: #5251 document restNumberThreshold

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"Thomas Morley" address@hidden writes:

Likely unrelated to this issue and worth another ticket...
Below returns unexpected result, at least for me
~~~
{
\compressFullBarRests
\set restNumberThreshold = 0
R1 R1
\set restNumberThreshold = 1
R1 R1
}
~~~

Adding another R1 to each group makes clearer what happens:
restNumberThreshold is consulted at the moment the rest ends, not when
it starts. Recording it at the time of the rest start would be
additional work. There is a reason many settings like these are
actually grob properties rather than context properties: that way they
are recorded at grob creation time. For a setting that decides whether
or not to even create a grob, that is a bit tricky but it could be
considered a property of the rest itself rather than of the rest number.

--
David Kastrup

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[issues:#5251] document restNumberThreshold

Status: Started
Created: Tue Jan 09, 2018 07:58 PM UTC by Malte Meyn
Last Updated: Thu Dec 27, 2018 01:08 PM UTC
Owner: Malte Meyn
Attachments:

• restNumberThreshold.png (2.7 kB; image/png)

As it’s fairly common, recommended by Gould, and—depending on house style for longer measures—sometimes necessary to have single measure MMRs marked with a “1” in orchestral parts, it should be documented how this can be achieved:

\set restNumberThreshold = 0

The default seems to be “unset” but in multi-measure-rest-engraver.cc it is hardcoded to 1; you won’t find this value in engraver-init.ly.

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