Filter out empty keywords before sorting. [2.2.x]

collective / Products.PloneKeywordManager

Change, merge and delete keywords (AKA tags or subjects) in Plone.

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Closed mauritsvanrees closed 4 years ago

mauritsvanrees commented 5 years ago

Otherwise the control panel is broken for some indexes.

Fixes issue #28.

mauritsvanrees commented 4 years ago

Merging own PR.