[Koha-bugs] [Bug 22820] Display 830 series information when there is no 490 tag (MARC21)

bugzilla-daemon at bugs.koha-community.org bugzilla-daemon at bugs.koha-community.org
Wed Jul 10 02:56:30 CEST 2019


https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=22820

--- Comment #14 from David Cook <dcook at prosentient.com.au> ---
(In reply to Katrin Fischer from comment #13)
> Just a quick note on $0 vs. $9:
> 
> Linking between bibliographic and authorities => $0 ($9 Koha)
> Linking between bibliographic records => $w ($w Koha)
> 

Except in Koha I think $9 and $w are non-repeatable (maybe not $w but certainly
$9) whereas in the MARC spec $0 and $w are repeatable subfields.

> Our data is converted to MARC from an internal format in the union catalog,
> so in some cases it's stricter MARC and more consistent than manually
> created MARC data I guess. 
> 

Wouldn't the opposite usually be true? Personally, I find translating other
formats to MARC usually leads to looser MARC since other formats don't capture
the same level of detail as MARC?

> There is another note that says 8xx can appear with 500, so it probably
> depends on where you look at the standard documents. I think Joy's case is
> valid, but I really don't want to display both the 490 and 8xx in case they
> contain nearly the same information. I know I'd have to change it for our
> libraries... but it would be much nicer to find some common ground.
> 

Wouldn't the common ground be how other systems than Koha show the 490 and 8xx?
Kind of an industry level common ground. 

That said, I think this is one of those issues where every library does things
differently and handles their legacy data differently, so it's hard to be all
things to all people. Many of my libraries don't even use authorities, so it
won't matter to them, and libraries that do use authorities and don't like the
default can use a custom XSLT if necessary.

> The linking of 490 and corresponding 8xx is indeed problematic to impossible
> - at least I haven't found a solution apart from the currently implemented.
> But I think it shoudl be possible to allow for the use case Joy pointed out.
> 
> - Always display 8xx
> - Keep logic for 490 - display when Ind.1=0 (not traced)
> 
> It's been like this for a long time and this just recently popped up, so I
> hope the 490 logic is agreeable.

That sounds reasonable.

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