Under certain circumstances misc/link_bibs_to_authorities.pl creates
multiple authority with identical heading.
Test plan:
1. Have some (2-3) biblio records with some repeated headings
Have BiblioAddsAuthorities = allow, AutoCreateAuthorities = generate
Have no authority records
2. Run misc/link_bibs_to_authorities.pl script
3. You will get multiple authority records -- one for each occurence of a
heading in biblio record.
4. Apply the patch.
5. Repeat 1-3 (remember to have "fresh" biblios, without $9, and no
authorities).
6. The problem should be fixed.
Signed-off-by: Chris Cormack <chris@bigballofwax.co.nz>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>
Works as described.
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