Re: strut problem,Re: strut problem

[Werner LEMBERG]

>> What I suggest is that zero-width/zero-height objects
>> *are* taken in account for computing the skylines.
>
> What makes your (redefined) \strut not taken into account [...]  is
> caused by the "" stencil expression, which LilyPond never gives
> skylines to

Ah, thanks.

> It is completely unclear to me how you would take non-printing
> stencils with empty extents into skylines.  How should the resulting
> skylines look like?  If the X extent is empty-interval, why should
> the vertical skyline take this stencil into account on '(0 . 0) and
> not on, say, '(2 . 2)?

I don't understand what you mean, please elaborate.

What I want: Let's assume we have `\markup \concat {"a" \strut "a"}`,
then the vertical skyline would be

```
        |
     ___|___
    | a   a |
```

i.e., there would be a (zero-width) spike between the two 'a' glyphs.

> If \strut needs to have an empty X extent for horizontal spacing
> reasons, you will need to use ly:stencil-outline.

Please give an example.


    Werner