> "Negative values will flip or mirror the stencil without changing
> its origin; this may result in collisions unless the scaled stencil
> is realigned"
>
> I’ll have to give this a try.
>
> Would it be worth defining “flip” functions that call
> ly:stencil-scale with negative, non-scaling, numbers (i.e. -1) ?
IMHO, no.
> That would be more discoverable and result in clearer code.
Regarding `more discoverable': I guess that there are missing cross
reference entries
> And/or the doc string for ly:stencil-scale could indicate that it
> can be used in this way, currently it only says:
>
> "Scale stil using the horizontal and vertical scaling factors x
> and y."
This certainly makes sense. Can you provide a patch?
Werner
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