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1### `++alf`
3Alphabetic characters
5Parse alphabetic characters, both upper and lowercase.
7Source
8------
10 ++ alf ;~(pose low hig) :: alphabetic
12Examples
13--------
15 ~zod/try=> (scan "a" alf)
16 ~~a
17 ~zod/try=> (scan "A" alf)
18 ~~~41.
19 ~zod/try=> (scan "AaBbCc" (star alf))
20 "AaBbCc"
24***