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<p>"cat_sort_uniq" is similar to "union", but in addition to concatenating
the local and remote versions, this strategy also sorts the resulting
lines, and removes duplicate lines from the result. This is equivalent
to applying the "cat | sort | uniq" shell pipeline to the local and
remote versions. This strategy is useful if the notes follow a line-based
format where one wants to avoid duplicated lines in the merge result.
Note that if either the local or remote version contain duplicate lines
pri