This might be just a supplemental entry adding to an entry in the Main Volume.
This might be just a supplemental entry substituting part of an entry in the Main Volume.
Related §§ in Wright's OE Grammar:
Gl. Mett. 658 substitute
:-- Haca (haᵤca, 87, 1559) pessul,
Txts. 88, 803, and add: Perhaps the word occurs in the following
:-- On hacapenn foreweard . . . on hacapenn foreweardne, C. D. iii. 412, 2, 14, An hacan penne, v. 238, 30. On hacan pundfold, of hacan pundfalde (haccan is the form in the MS. printed C.
D. B. iii. 395, 18), vi. 41, 24. Here there might be reference to the enclosures being bolted, or to their construction with hurdles,
cf. hæc, and see
hake in N. E. D.
[O. L. Ger.