[Koha-bugs] [Bug 27365] Koha doesn't check marcxml field size is < 10000 and fails in various places

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=27365

--- Comment #2 from Didier Gautheron <didier.gautheron at biblibre.com> ---
I my understanding it is
From
https://www.iso.org/obp/ui/#iso:std:iso:25577:ed-1:v1:en

In 2001, the U.S. Library of Congress developed a framework for working with
MARC data in an XML environment. The core of the framework is a MARCXML schema
that allows lossless round-trip conversion of an ISO 2709 MARC 21 record and an
XML-encoded MARC 21 record.


IMO operative words are 'lossless round-trip'

But I haven't access to the full norm, it's not free and anyway it' not
available in France, you can't buy it!

Moreover Koha may use xml --> iso and back in a couple of place.

Yes by default ES is storing the whole record in iso2709 within its index.
cf syspref ElasticsearchMARCFormat and Koha/SearchEngine/Elasticsearch.pm
there's a f

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