utf8 double-encoding on RSS2 exportview

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From a french repository using accents: when exporting views to RSS2 (via cgi/exportview), citations contain double-encoded utf8 characters. It's a bit odd as it's only the citations (the titles display fine). According to TimB, this could be due to how perl handle string-concatenations with mixed string formats. Anyways, the fix is as below:

perl_lib/EPrints/Plugin/Export/RSS2.pm:113

# replace citation rendering with:

my $citation = $eprint->render_citation; $citation = EPrints::Utils::tree_to_utf8( $citation ); utf8::decode( $citation ); $item->appendChild( $session->render_data_element(

2, "description", $citation ) );

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fixed in r5944

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This fix was meant for 3.1.x not 3.2.x. On 3.2 it causes display problems on feeds.

-> rollback in r6204