[Koha-bugs] [Bug 8513] OPAC detail page broken with XSLT

[bugzilla-daemon at bugs.koha-community.org]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=8513

Fridolyn SOMERS <fridolyn.somers at biblibre.com> changed:

           What    |Removed                     |Added
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             Status|NEW                         |Needs Signoff
           Assignee|oleonard at myacpl.org         |fridolyn.somers at biblibre.co
                   |                            |m

--- Comment #1 from Fridolyn SOMERS <fridolyn.somers at biblibre.com> ---
Created attachment 11191
  -->
http://bugs.koha-community.org/bugzilla3/attachment.cgi?id=11191&action=edit
Proposed patch

I found the problem : 
In some cases, the XSLT generates an empty a tag : <a href="..." />
This brakes the page.
The concerned code is the building of subjects.

Correction :
------------
Subject field with authority code ($9) : if the content of <a> is empty (=
$display variable), it is set with the $9 value.
Subject field without authority code ($9) : added a test on $a not empty, to
avoid the same problem.

Test plan : 
-----------
Bug appears on a record with a subject field (ie 606) containing a $9 as last
subfield.
Check also a record with a subject field containing some fields but not $9 nor
$a.

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