2008/8/15 James E. Bailey <[EMAIL PROTECTED]>:
>
> Am 15.08.2008 um 19:36 schrieb Neil Puttock:
>> The example for \hcenter in B.8.2 uses \column as a convenience to
>> show the alignment relative to the arrow.
>
> When I try it without the column, they aren't centered (assuming I wanted to
> superimpose to markup objects on top of each other).
Yes, I noticed this when I was preparing the examples; \right-align
also appears to be misaligned. There may be a bug somewhere.
If you want to superimpose objects, you're better off using \combine.
> And I think I've figured it out. \center-align aligns all object along the
> center axis.
It's just a column of objects, with each item centred; it doesn't make
sense to talk about a centre axis.
Renaming it to \center-column would make its behaviour much clearer.
> \hcenter aligns an objects center axis to the left axis of the
> reference point.
> \markup {
> \column {
> one
> \hcenter
> two
> three
> }
> }
Not necessarily; in this example, it's due to the fact that \column
left-aligns each item. If you replaced \column with \line, `two' would
be aligned to the right edge of `one', overlapping it.
> Can I suggest this (or something similar) be the example for B.8.2? It
> expresses very clearly, using terms from a previous example exactly how
> \hcenter differs from \center-align.
OK, I'll change the snippet; it's probably a good idea, since the
arrows don't show up properly in the pdf docs. :)
Thanks for the feedback,
Neil
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