c5f3b53b0e
Commit fe97c61c updated LP_DEAD item deletion comments, but missed a minor discrepancy on the REDO side. Fix it now. In passing, don't talk about the btree_xlog_vacuum() behavior within btree_xlog_delete(). The reliance on XLOG_HEAP2_CLEANUP_INFO records for recovery conflicts is already discussed within btvacuumpage() and mentioned again in passing above btree_xlog_vacuum(), which seems sufficient.
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