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Re: Better pure height approximations for beamed rests. (issue 4860043)

From: address@hidden
Subject: Re: Better pure height approximations for beamed rests. (issue 4860043)
Date: Fri, 27 Apr 2012 12:02:51 +0200

On 27 avr. 2012, at 09:45, Keith OHara wrote:

> On Thu, 26 Apr 2012 23:44:24 -0700, <address@hidden> wrote:
>> lily/ Beam::pure_rest_collision_callback (SCM smob, SCM
>> prev_offset,
>> You're right - this is an error.  Do you want me to fix it or are you
>> working on a patch into which the fix could be incorporated?
> I am re-ordering the arguments in that one C function, but I don't read 
> Scheme so I am not sure if the observed order of the data is the intended 
> order, or the conventional order.
> Your addition to the docs is pretty explicit that 'start' and 'end' are 
> always the last two arguments, even in a chained-offset-callback where there 
> are extra arguments.  On the other hand, call-pure-function seems to put 
> 'start' and 'end' in slots 2 and 3, with any other arguments attached later.

Call pure function puts start and end in the final two slots.  The optional 
arguments are passed in in slot two as a variable called `args' (check out 
lily/ and scm/define-grobs.scm).


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