[4.2] Remove % From filenameFallback In Response::download #6097
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The filename fallback is turned to ASCII, because only ASCII is allowed. But there are 2 more checks:
%
in the fallback(See https://github.com/symfony/symfony/blob/v2.5.5/src/Symfony/Component/HttpFoundation/ResponseHeaderBag.php#L264-L277)
I think we can skip the slashes, because they are also checked in the filename itself. But we should probably remove the % sign. Downloads work when files have a
%
in them, just the fallback doesn't.I propose removing the % from the fallback.