Wrong Import with Multi-Value Field

[DetlevD]

@Nature

... Since the first value is the same, it doesn't do anything, leaving the field as is, and therefore not removing the second value (Chill-out) as it should.
It only happens when trying to import only one value. If importing at least two values, even if they already exist, it will clear the remaining values correctly. ...

How to test for a multi-value tag-field ...

$if($neql($meta(GENRE,1),),'multi-value','standard')' tag-field' $if($eql($meta(GENRE,1),),'standard','multi-value')' tag-field'

If you know in advance that a multi-value tag-field should be changed overall, ...
then use the new value appended with the string '\\' ...

Field: Genre
Current Value="New Age\\Chill-out"
Imported Value="New Age\\"
New Value="New Age"

See also ...
/t/12626/1
/t/11800/1

DD.20140902.1253.CEST