set-hrægl
This might be just a supplemental entry adding to an entry in the Main Volume.
In the OE text, the length is:indicated by acute accentsindicated by macronsnot indicated.
set-hrægl
AddÐonne þú setrægel habban wille, þonne plice þu ðíne ágene gewéda mid twám fingrum, tóspréd þíne twá handa and wege hí swylce þú setl gesydian wille, Tech. ii. 122, 17. Kénwolde helm and byrnan . . . and Eádgyfe his swyster . . . . i. sethrægl, Cht. Crw. 23, 22. [.viiii. setreil, C. D. B. iii. 366, 20.]
This is a supplementary entry with editorial changes to an entry in the main volume of the dictionary. Look under the 'Possibly connected entries' below, or for the same headword in the list to the left.

A Combined List of Abbreviations.

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A Combined List of Abbreviations.