ADR 0218: grants before code, one machine first, a newer merge takes over an
older plan (to-be 30 amended). Issues 250 (a merge announced twice), 251 (the
record's checkout owned by another account), 252 (a merge's changed modules
read wrong), 253 (the collector would delete every kept archive; to-be 18
amended, ADR 0189 corrected as a progressive insight), 254 (plans run over
each other); 249 located.