http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=12295

--- Comment #4 from Galen Charlton <[email protected]> ---
Created attachment 28500
  -->
http://bugs.koha-community.org/bugzilla3/attachment.cgi?id=28500&action=edit
Bug 12295: fix Javascript error when merging authorities

Attempting to merge authorities results in the following error:
Uncaught SyntaxError: Unexpected token u authorities-home.pl:284
    showMergingInProgress authorities-home.pl:284
    (anonymous function) authorities-home.pl:297
    o jquery.js:2
    p.fireWith jquery.js:2
    e.extend.ready jquery.js:2
    c.addEventListener.B

This appears to be an improper use of Javascript null vs undefined.
A variable can be null and defined at the same time. We should be
checking to see if the variable is defined, rather than null.

Signed-off-by: Bernardo Gonzalez Kriegel <[email protected]>
No test plan, no errors.

Test
1. search some authorities
2. click merge, on browser dev console pops reported error message
'Unexpected token u authorities-home.pl...'
No way to marge auths
3. with pach applied, merging works again

Signed-off-by: Galen Charlton <[email protected]>

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