[ic] Patch to differentiate between free shipping and unavailable shipping methods

[Stefan Hornburg]

Mike Heins wrote:
> Quoting Mark Lipscombe (markl at gasupnow.com):
>> Stefan Hornburg wrote:
>>> Objection one: this is same as $cost >= 0
>>> Objection two: this takes away cumulative calculation and also $m is
>>> superfluous.
>> Based on racke's feedback, here is an updated patch which addresses his 
>> concerns.
>>
>> The shipping code is a pretty intimidating piece of Perl to try and wrap 
>> one's head around without any documentation.
> 
> It's intimidating perhaps because of lack of comments. But it did (and I believe
> still does) have 25 pages of documentation. 8-)
> 

In my opinion that's a clear indicator that this code shouldn't be included
by default.

Regards
          Racke

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