Another Adobe Bug or...?

[Pipian]

While fiddling around with Exempi and alternate language blocks, I  
noticed a curious habit of exempi automatically changing a localized  
string to the default string IF AND ONLY IF there are only two  
localizations, and one of them is the default (i.e. xml:lang="x- 
default").  This is a bit curious, and also appears in Adobe's  
implementation in Photoshop CS3.  I'm not sure if this is what we want  
though...

Shouldn't specified localizations be as they're given, even if the  
default isn't the same as say, the "french" localization, or is it a  
quirky aspect of the Adobe spec (it doesn't seem to be)?

I've attached a file that exhibits this problem (It SHOULD have two  
alternate renderings of dc:title, "Blue Square Test File - .jpg" in "x- 
default" and "Carré Bleu Test File - .jpg" in "fr-FR", but it instead  
has "Blue Square Test File - .jpg" as the "fr-FR" translation as well).

I've also attached a proposed patch to the 2.0.0 branch that fixes  
this bug (in the upstream source/XMPCore/XMPCore_Impl.cpp file).  My  
apologies for not sending this patch in a more 'Adobe'-friendly manner  
(I just did a git diff).  I forgot the method to do so.

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