[Koha-bugs] [Bug 8252] Error in DOM biblio for UNIMARC (no range for fields 1xx)

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http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=8252

--- Comment #56 from mathieu saby <mathieu.saby at univ-rennes2.fr> ---
2 other rules of my own would be
"check if the equivalent fields in MARC21 are already indexed, and if the
MARC21 index can be reused"
and
"check if this index as a real utility"

Little enquiry : 
Here are the use for these indexes : 

melm 072$a      UPC:w,Identifier-standard:w
melm 072$z      UPC:w,Identifier-standard:w
melm 207    Serials,Serials:p
melm 208    Printed-music,Printed-music:p
melm 230$a      Electronic-ressource
melm 461$t    Title,Title-host:w,title-host:p
lcn is not used

I think I would try this :
UPC : 
In MARC21, it is in 024, alongside other identifiers (the indicator of the
fields precise the nature of the identifier, but of course record.abs cannot
take that into consideration...)
So UPC is only defined in UNIMARC, whereas it is an id kind of EAN, used mainly
in the USA and Canada, MARC21 countries. That's not logical. This index is
useless for UNIMARC ppl, especially if it is not working well.
=> my proposition: get rid of UPC in UNIMARC conf files and index 072 in
"Identifier-standard" and in ccl.properties
If marc21 ppl want to index this in their DOM conf file, they will create the
propoer custom definition in ccl and bib1.att.

207 field is equivalent to 362 field in MARC21
208 field is equivalent to 254 field in MARC21
http://www.loc.gov/marc/unimarctomarc21_2xx5xx.pdf
Both are not indexed in MARC21, so maybe the information is not really
important.
BNF sites give some examples
http://multimedia.bnf.fr/unimarcb_trad/B207-6-2010.pdf
"Cette zone contient les numéros de la première et de la dernière livraison de
la ressource continue et/ou les dates que couvrent ces livraisons quand ces
numéros et ces dates sont connus."
Ex : "Vol. 1, no. 1 (1 Apr. 1946)-vol. 26, no. 195 (10 Oct.1972) = no. 1-no.
6943 "
=> for me, this field should NOT BE indexed in any way!

http://multimedia.bnf.fr/unimarcb_trad/B208-6-2010.pdf
"Cette zone contient une mention, transcrite à partir de la ressource, relative
à la présentation particulière d'une ressource musicale imprimée ou manuscrite.
"
Ex : "Partition de poche"
Maybe it can be usefull, and I did not find declarations for that in ccl or
bib1, so let's create a custom one, OR maybe index it in notes.

Electronic-ressource : 230 is deprecated in UNIMARC. Maybe present in legacy
records, but not sure of that.
Let's get rid of this index.


title-host : typo for Title-host

461: Title-host:
as we have 461$9 indexed in "Host-Item-Number", I guess this "Title-host" is a
mistake for "Host-item".
So, 461 would behave like 773 in MARC21

(Technically, 461 is not a strict equivalent of 773. From LOC site, I get that
the official equivalent of 461 in MARC21 is 774)


Mathieu

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