[patch] (preliminary) bugfix: time signatures

[Han-Wen Nienhuys]

address@hidden writes:
> Hi!
> 
> Attached is a patch that should fix some problems of the time signature
> engraver.  Some problems still survive.  I also renamed

ok, added to cvs.

> I think these changes are necessary, because the implementation so far was
> a rather arbitrary, incomplete collection of time signature symbols.  I am
> trying to orthogonalize all the different styles and to make combinations
> of them possible.  This will also require the introduction of new
> properties that qualify the style in more detail.  Note that I also
> started to move program logic to scheme to simplify manipulation of the
> logic.

OK. Please be careful with adding properties.  We already have too
many of them, and I'd like them to be as orthogonal as possible.

> See input/test/time.ly for comprehensive usage examples.
> 

ok.

>  
> +% IMPORTANT NOTE: The current selection scheme for time signature
> +% symbols is not flexible enough for future extensions such as various
> +% flavours of early mensural notation or complex signatures as in
> +% contemporary music.  Therefore, the semantics of time-signature
> +% properties will quite definitely change, and maybe the syntax of the
> +% \time request will possibly be extended.  The following TODOs give
> +% two examples what might be expected.  -- jr
> +
> +% TODO: The former "old6/8alt" is currently not addressable.  This will
> +% be fixed by introducing an additional style property that switches
> +% between various mensural diminution styles.  -- jr
> +
> +% TODO: Style "1xxx" really should be a special case of style
> +% "numbered".  In other words, style "1xxx" should be removed, and a new
> +% property "denominator-style" should be introduced, with values
> +% "numbered" (which should be equivalent to the current "numbered"
> +% style), "none" (which should be equivalent to the current "1xxx"
> +% style), and "notehead" (which should place a proper notehead to the
> +% right side of the nominator).  -- jr
> +

Nitpick: we currently dump all files to on the webpage as well, so a
texidoc  would be more appropriate.

-- 

Han-Wen Nienhuys   |   address@hidden    | http://www.cs.uu.nl/~hanwen/