Re: macro for \once\override

[Werner LEMBERG]

>> Well, we have to make a compromise.  The PDF document has a small line
>> width, and you can't scroll horizontally...
>>
>> Theoretically, the snippet could be printed with a smaller font size,
>> but this doesn't look very pretty IMHO.  I consider the `\oo`
>> shorthand both innocuous and simple enough for a snippet.
>>
> 
> My preference is the one that you said is inappropriate:
> 
> \once \override
>   Very.Long.Grob.PropertyToBeChanged = foo
> 
> If we introduce oo, then that adds extra lines to the snippet, and
> it confuses the override (which is the purpose of the snippet) with
> the convenience function (which is not necessary for the operation
> of the snippet).

If you have to split 20 very long `\once\override` line this way, it's
(a) very hard to read, and (b) much longer than the few lines
introducing the little function.

> I think that the benefit of the improvement in the typography is
> outweighed by the increased difficulty of understanding the snippet.

I disagree.  There are snippets with *extremely* sophisticated Scheme
code.  What I'm going to introduce is very basic.


    Werner