cáf
This might be just a supplemental entry adding to an entry in the Main Volume.
This might be just an editorial note deleting an entry in the Main Volume.
In the OE text, the length is:indicated by acute accentsindicated by macronsnot indicated.
cáf
AddCáf praeceps, i. alacer, Germ. 393, 66: efficax, 400, 547. Se eorðlica kempa bið ǽfre gearo and cáf, swá hwyder swá hé faran sceal tó gefeohte mid ðám kininge, Hex. 34, 19. Þæt hý sýn cáfran tó Godes þeówdóme, R. Ben. 68, 19. Petrus wæs cáfost on Crístes lufe, Hml. Th. ii. 388, 29. [v. N. E. D. cof; dele in bracket 'O. Nrs. á-kafr.']
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A Combined List of Abbreviations.

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A Combined List of Abbreviations.