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Chong Yidong authored
* vc/vc-arch.el (vc-arch-checkin): * vc/vc-cvs.el (vc-cvs-checkin): * vc/vc-mtn.el (vc-mtn-checkin): * vc/vc-rcs.el (vc-rcs-checkin): * vc/vc-sccs.el (vc-sccs-checkin): * vc/vc-svn.el (vc-svn-checkin): Remove optional extra arg, unused since 2010-04-21 commit by Stefan Monnier.
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