For CMSSW Issues, following commands in first line of a comment are recognized
+1|approve[d]|sign[ed]|+category
: L1/L2's to approve it-1|reject[ed]|-category
: L1/L2's to reject itassign <category>[,<category>[,...]]
: Any L1/L2's to request signatures from other categoriesunassign <category>[,<category>[,...]]
: Any L1/L2's to remove signatures from other categorieshold
: L1/all L2's/release manager to mark it as on holdunhold
: L1/user who put this PR on hold