Thread: Adding custom column with any lookup-name gives me empty column as a result?
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Old 06-08-2019, 01:14 AM   #6
kovidgoyal
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If you wan tto create a column that shows data from other columns it has to be of type "Column built from other clumns" and you have to specify a template for it. https://manual.calibre-ebook.com/template_lang.html
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