[poppler] Filename vs FileName

[Adrian Johnson]

Albert Astals Cid wrote:
> PDF on KDE bug 217013 has a dictionary with a key named Filename instead 
> FileName, so when converting to PS it crashes.
> 
> The question is should each time we look for the FileName key look for the 
> Filename one if it fails? Or even more broad should we turn dictionary 
> searches case insensitive? Or do not try to make it work?
> 
> I vote for add the Filename fallback search
> 
> Comments?

I vote for always follow the standard but if AR accepts the file then 
poppler should as well. When accepting non standard PDF poppler should 
output a warning to encourage authors of PDF software to fix their bugs.