Re: 2.15.9 regtests

[Mike Solomon]

On Aug 30, 2011, at 3:46 PM, Phil Holmes wrote:

> Well - there are too many differences on the official page for me to count. 
> It was clearly going to be iffy when I looked at the "items still to load" in 
> the browser and it was over 1100.  In my pixel comparator, I've got 1,031 
> difference files to check.
> 
> There are 2 obvious causes of this: one is the slight clef change; the other 
> is a slight spacing change - it looks like, as a general rule, 2.15.9 is 
> slightly more compact on ragged-right versus 2.15.7 (which is my local 
> baseline).
> 
> I'll attach one difference file which I don't understand - is this the effect 
> of the change in spacing to the time sig?
> 
> Not sure how we can take this forward?  In principle I guess we could 
> temporarily revert the clef change and try to find what caused the spacing 
> change, and then do a specific release with just those.  Or we could take 
> shifts in checking images.  Or we could keep our fingers crossed.


git bisect tells me that this comes from:

commit cc88cd368096843ec42d001fe96eca038d1bd3be
Author: Keith OHara <address@hidden>
Date:   Sat Aug 20 22:15:52 2011 -0700

    Fixed spacing in space-alist; issue 1785
    
    The 'fixed' distance was intended to limit compressibility.

Cheers,
MS