K 10
svn:author
V 5
crees
K 8
svn:date
V 27
2020-01-08T16:29:07.709108Z
K 7
svn:log
V 202
Add simple rc script for xdm.

All of the other display managers have one, and it saves user
confusion to have this method available too.

PR:		ports/225985
Submitted by:	edmonddantes@gmx.us (based on)

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