This is what the DSD+ program puts into the DSDPlus.radios file.
DMR, 0, 444, 1136159, 50, Normal, 11, 2020/01/21 16:35, ""
DMR, 0, 444, 3136183, 50, Normal, 11, 2020/01/21 16:35, ""
DMR, 0, 855, 1112841, 50, Normal, 17, 2020/01/21 16:49, ""
DMR, 0, 855, 1112861, 50, Normal, 11, 2020/01/21 16:45, ""
This is (a sample of) what I tried to copy and paste into that file:
DMR, 0, -1, 1023001, 50, Normal, 0, 2000/01/01 00:00, "VE3THW: Wayne Edward in Toronto, Ontario, Canada"
DMR, 0, -1, 1023002, 50, Normal, 0, 2000/01/01 00:00, "VA3ECM: Mathieu Goulet in Ottawa Hull, Quebec, Canada"
DMR, 0, -1, 1023003, 50, Normal, 0, 2000/01/01 00:00, "VE3QC: Guy Charron in Gloucester, Ontario, Canada"
DMR, 0, -1, 1023006, 50, Normal, 0, 2000/01/01 00:00, "VA3UZ: Allan Timothy Harvey in Sparta, Ontario, Canada"
DMR, 0, -1, 1023007, 50, Normal, 0, 2000/01/01 00:00, "VA3BOC: Hans Juergen Bockholt in Cornwall, Ontario, Canada"
DMR, 0, -1, 1023008, 50, Normal, 0, 2000/01/01 00:00, "VE3JMR: Mark in Niagara Falls, Ontario, Canada"
DMR, 0, -1, 1023009, 50, Normal, 0, 2000/01/01 00:00, "VA3AMO: Rolando Parto in Scarborough, Ontario, Canada"
DMR, 0, -1, 1023010, 50, Normal, 0, 2000/01/01 00:00, "VA3AMO: Rolando Parto in Scarborough, Ontario, Canada"
DSDPlus ignores this data, instead creates its own entries, and erases the data that I have pasted in.