Difference between MISSION_ITEM and MISSION_ITEM_INT messages

Hello, I am new to Mavlink. I was wondering what the difference between the MISSION_ITEM_INT message and the MISSION_ITEM message is. I see that they each have their own request message, but have practically the same fields. Do either of them behave differently than the documentation (http://qgroundcontrol.org/mavlink/waypoint_protocol) suggests?

MISSION_ITEM_INT sends the lat/long of a waypoint as integer numbers and avoids the percision issue that occurs when encoding lat/lon in a float. When possible you should always prefer the _INT variants.

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