[patch] Fix parsing bug in validate_patches.py

[Brooks Moses]

On 06/04/2013 03:57 PM, Diego Novillo wrote:
> OK with this predicate factored into a predicate function (maybe
> SummaryLineHasAttributes?)

Thanks!  Once I dove into that, I ended up doing a bit more refactoring; 
it really makes sense to pull the whole line-splitting into a separate 
function along with this.

Thus, I'm attaching an updated patch file that reflects that, along with 
a couple of other trivial changes I added since submitting the initial 
patch.

I've tested the adjusted line-stripping parts of the refactored code by 
adding and removing spaces in lines in my xfails file and confirming 
that things are still correctly matched.

Is this refactoring also OK to commit?

Thanks,
- Brooks


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