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The second parameter can be used to say what kind of comparison is done: | The second parameter can be used to say what kind of comparison is done: | ||
*<tt>'''or'''</tt> | *<tt>'''or'''</tt> – returns true if the category exists ''or'' has members | ||
*<tt>'''and'''</tt> | *<tt>'''and'''</tt> – true if the category exists ''and'' has members | ||
*<tt>'''xor'''</tt> | *<tt>'''xor'''</tt> – true if the category exists but is empty, or if the category does not exist but has members (slightly weird, admittedly <tt>:D</tt>) | ||
=== See also === | === See also === | ||
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