Re: [frogs] Re: tablature: ties and harmonics (issue1669041)

[Marc Hohl]

address@hidden schrieb:
> On 2010/06/30 07:48:12, marc wrote:
>
> > So I tried to extend the parenthesize-stencil function in
> scm/stencil.scm.
> > It compiles without error, but the regression file is cluttered up.
>
> I can't test this.  Would you mind uploading another version here which
> includes all the changes since the first patch set?
Of course! I hope I did it right - at least it looks like I have catched 
everything.
> > I feel that this is not the right approach, either. I still don't
> understand
> > why I have to shift the TabNoteHead #'layer at all. As far as I see
> it,
> > HarmonicParenthesesItem #'stencils is a list of stencils, containing
> the
> > left and the right angle bracket, which are placed either side of the
> > TabNoteHead #'stencil. So the order in which the stancils are placed
> > should not change anything at all, but if the TabNoteHead #'stencil is
> set
> > *before* the HarmonicParenthesesItem #'stencils, it seems that some
> > whitespace occurs between the angle brackets, overriding the
> > already placed TabNoteHead.
>
> You added the default for 'whiteout to HarmonicParenthesesItem in your
> first patch.  It applies the whiteout to the total extent: the two
> brackets plus the space between.
Ah, that makes everything clearer, thanks for this explanation!
> I don't know why grobs with the same layer sometimes swap places, but
> there's nothing we can do about it apart from change 'layer to ensure
> visibility, unless you remove 'whiteout for the angle brackets.
Now the whole #'layer stuff makes a lot more sense to me ...

Thank you

Marc