1c1 < --- > 121c121 < Subtransactions can be started explicitly by using --- > Subtransactions can be started explicitly by using a 126c126 < This causes the main transaction and its child subtransactions form --- > The main transaction and its child subtransactions form 150,151c150,151 < subtransactions with subxids will also be considered committed in that < session. When a subtransaction aborts, all of its child subtransactions --- > subtransactions with subxids will also be considered subcommitted in that > transaction. When a subtransaction aborts, all of its child subtransactions 156,157c156,157 < When a top-level transaction with an xid commits, all of its committed < child subtransactions are also marked as globally committed in the --- > When a top-level transaction with an xid commits, all of its subcommitted > child subtransactions are also persistently recorded as committed in the 159c159,160 < aborts, all its subtransactions are also aborted. --- > aborts, all its subtransactions are also aborted, even if they were > "subcommitted".