2008/8/17 Mats Bengtsson <[EMAIL PROTECTED]>:
> I just realized that \column and \left-column isn't the same thing
> (or at least that it shouldn't be the same thing). If you compare the
> implementation of the current \column and \center-align commands,
> you will notice that \column just stacks the markups using their
> already existing horizontal alignment points, whereas \center-align
> also sets the horizontal alignment point of each markup in the column.
> In other words, \center-align is equivalent to \column \hcenter, as
> the following example illustrates:
> \version "2.11.50"
> \markup{\column{ \left-align { AAAAA BBB C }}}
> \markup{\column { AAAAA BBB C }}
> \markup{\column{ \hcenter { \right-align AAAAA BBB C }}}
> \markup{\center-align { \right-align AAAAA BBB C }}
>
>
> Similarly, a \left-column that does what the name says, should
> explicitly set the horizontal alignment point of all the markups
> to be left aligned, i.e. be equivalent to \column \left-align.
> The following example illustrates the difference:
> \version "2.11.50"
> \markup{\column { \right-align AAAAA BBB C }}
> % What a proper implementation of \left-column should do:
> \markup{\column{ \left-align { \right-align AAAAA BBB C }}}
Ah yes; \center-align uses a lambda function to remap the alignment.
So there's no question of either/or; we need both commands.
Regards,
Neil
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