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Re: bar number position (direction) numerical definitions overlap

From: Alan Stern
Subject: Re: bar number position (direction) numerical definitions overlap
Date: Wed, 2 Aug 2006 10:05:58 -0400 (EDT)

On Wed, 2 Aug 2006, Mats Bengtsson wrote:

> As I have already tried to explain, several different layout objects 
> have the "direction"
> property and for some objects it means UP/DOWN for others it means 

> Ideally, we should have different documentation texts for these two 
> situations.
> However, for technical reasons, the documentation of a property is the 
> same for
> all objects where the property appears. This in turn means that the text 
> has to cover
> all the situations, i.e. it has to mention both up/down and left/right. 
> In this particular
> case it's possibly a bit confusing but all the information is there. 

Surely the real underlying problem is that the _same_ property is used for 
both horizontal directions and vertical directions.  If there were two 
different types of property then there would be no confusion.  It would 
even be possible to apply both sorts of correction to the same object, 
which is impossible now.

I don't know if there ever was a real reason for having only one sort of
"direction" property; perhaps it was nothing more than laziness.  And
changing it at this point might be an uncomfortably big task.  
Nevertheless, it seems like the right thing to do.

Alan Stern

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