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98_DOIFtools.pm: fixed detailFn for DOIF extra line

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git-svn-id: https://svn.fhem.de/fhem/trunk@14806 2b470e98-0d58-463d-a4d8-8e2adae1ed80
This commit is contained in:
Ellert 2017-07-28 06:21:38 +00:00
parent 4acbe0993e
commit 8bc862feb4
1 changed files with 1 additions and 1 deletions
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fhem/FHEM/98_DOIFtools.pm
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@ -373,7 +373,7 @@ sub DOIFtools_eM($$$$) {
}
}
}
return $ret;
return $ret ? $ret : undef;
}
######################
# Show the content of the log (plain text), or an image and offer a link