Bug 35035 - Koha hide field values in reference fields based on $w
Summary: Koha hide field values in reference fields based on $w
Status: NEW
Alias: None
Product: Koha
Classification: Unclassified
Component: MARC Authority data support (show other bugs)
Version: 22.11
Hardware: All All
: P5 - low major
Assignee: Bugs List
QA Contact: Testopia
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Reported: 2023-10-11 16:07 UTC by verolencinas
Modified: 2023-10-11 16:07 UTC (History)
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Description verolencinas 2023-10-11 16:07:34 UTC 
The Marc 21 Format for Authority Data includes the possibility to not display data in reference fields (4XX and 5XX) based on the third value of subfield w.
"/3 - Reference display
One-character alphabetic code that enables the generation or suppression of a cross reference from a 4XX or 5XX field. 
a - Reference not displayed
b - Reference not displayed, field 664 used
c - Reference not displayed, field 663 used
d - Reference not displayed, field 665 used
n - Not applicable"

The possibility to hide data is important for example for authority records of trans people. The Metadata Best Practices for Trans and Gender Diverse Resources of the Trans Metadata Collective (2022) includes this recommendation in 3.2.4.2 Technical details (MARC & RDA). Catalogers should be able to record former names to assure findability of resources, but it should be also possible to hide them for the public in compliance with cataloging ethics guidelines.