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Kovid Goyal 2011-06-13 15:15:10 -06:00
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src/calibre/manual/template_lang.rst
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@ -417,7 +417,7 @@ You might find the following tips useful.
* Create a custom composite column to test templates. Once you have the column, you can change its template simply by double-clicking on the column. Hide the column when you are not testing.
* Templates can use other templates by referencing a composite custom column.
* In a plugboard, you can set a field to empty (or whatever is equivalent to empty) by using the special template ``{null}``. This template will always evaluate to an empty string.
* In a plugboard, you can set a field to empty (or whatever is equivalent to empty) by using the special template ``{}``. This template will always evaluate to an empty string.
* The technique described above to show numbers even if they have a zero value works with the standard field series_index.
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