Re: Barcheck with full measure rests

[Alexander Kobel]

Hi Michael,

TL;DR: It's intended.

As the name implies, "FULL measure rests" are supposed to span full 
measures. In particular, they are always rendered as if they do, so your 
input should be virtually indistinguishable from R1. And it's also 
indistinguishable from R1. in 3/2 time, or R1*2 in 4/2 time, and so on.

Hence, to avoid confusion for the reader, FULL measure rests really need 
to span FULL measures:

"The duration in a multi-measure rest must always be an integral number 
of measure-lengths [...]"

http://lilypond.org/doc/v2.18/Documentation/notation/writing-rests#full-measure-rests

While this page does not explicitly state that bar checks are implicitly 
added around full measure rests, the last line of the section gives a 
hint to that effect:

"When a multi-measure rest immediately follows a \partial setting, 
resulting bar-check warnings may not be displayed."


HTH,
Alex


On 21.05.19 12:51, Michael Gerdau wrote:
> Hi list,
>
> the following MWE triggers a barcheck failure. Is that intended or a bug?
> And if it is intended I'd like to understand the rationale.
>
> %%%%%%%%%%%%%
> \version "2.21.0"
> { R1*3/4 s4 | }
> %%%%%%%%%%%%%
>
> Kind regards,
> Michael

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