[Koha-bugs] [Bug 11046] Better handling of uncertain years for publicationyear/ copyrightdate

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

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=11046

--- Comment #3 from Marcel de Rooy <m.de.rooy at rijksmuseum.nl> ---
Created attachment 66549
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https://bugs.koha-community.org/bugzilla3/attachment.cgi?id=66549&action=edit
Bug 11046: Better handling of uncertain years for publicationyear

This patch makes it possible that uncertain year like 18.. or 197x are
converted to 1800 or 1970 in Koha field copyrightdate (MARC21) or
publicationyear (UNIMARC). (The corresponding MARC record will not be
changed obviously.)

This change will allow for better results when sorting search results or
list contents on copyrightdate. Currently, things like 18.. will sort
together with zero.

Note: The regex now allows four possible uncertain year markers: x or X,
question mark or dot.

Test plan:
[1] Run t/db_dependent/Biblio/TransformMarcToKoha.t
[2] Edit a biblio record. Save 18.. into 260c. Check biblio.copyrightdate.

Signed-off-by: Marcel de Rooy <m.de.rooy at rijksmuseum.nl>

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