What /exactly/ is Hovercards using to define the length of the extract?
The only line I can find is https://git.wikimedia.org/blob/mediawiki%2Fextensions%2FPopups/edd49b32ca889024854efc4d7b0bf03dace55835/resources%2Fext.popups.core.js#L47
This gets 2 sentences. But sometimes the extracts are shorter than 2 sentences, so where is the limit further-defined?
Please Add documentation, in either the Extension page, or the Hovercards explanation page, to describe the answer.
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