[Koha-bugs] [Bug 891] New: Left arrow can disappear from MARC structure admin

[bugzilla-daemon at wilbur.katipo.co.nz]

http://bugs.koha.org/cgi-bin/bugzilla/show_bug.cgi?id=891

           Summary: Left arrow can disappear from MARC structure admin
           Product: Koha
           Version: 2.2.0
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: MARC
        AssignedTo: paul.poulain at free.fr
        ReportedBy: a.c.li at ieee.org
         QAContact: koha-bugs at lists.sourceforge.net


On the bottom of the screen with the list of tags in MARC structure admin, there
is a left arrow and a right arrow to navigate between screenfuls of tags. The
left arrow is supposed to disappear when there are no tags smaller than the
smallest tag number on the current screen.

However, with the default MARC21 data, one can easily cause the left arrow to
disappear inappropriately, as follows:

1. Go into the MARC structure admin
2. Click the "subfields" link of tag 041
3. Click the double up arrow to return to the list of tags
4. Now tag 041 is the first tag on the screen, and the left arrow has
disappeared from the bottom of the screen

The user can still move back to the front of the list by, e.g., searching for
tag 0. However, it is now impossible to move "left" by pressing the left arrow.



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