Under the checkin, there are two main uses
- Revision control check in
- Location check in
Which would work? Or should the tag be scrapped altogether?
closed as off-topic by random, Martijn Pieters, nicael, Shadow Wizard, CRABOLO Oct 23 '14 at 0:10
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In the case of revision control, a tag for the specific revision control system would do. The same thing goes for Facebook's location check in.
I think it can be safely scrapped.