zoom/record_render: add support for Base64 decoding fo MARC records
within XML element. For example: "xml; charset=marc-8; base64=/my/text()"
which will decode base64 + ISO2709 marc-8 encoded material from text node
zoom/record_render: add support for Base64 decoding fo MARC records
within XML element. For example: "xml; charset=marc-8; base64=/my/text()"
which will decode base64 + ISO2709 marc-8 encoded material from text node