1 03/18/76   edit, edi
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 3 Function:  invokes a specified text-editing function.
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 5 Syntax:  edit function
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 8 Arguments:  function may be--
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10 append       merge
11 delete       move
12 desequence   prefix
13 explain      replace
14 extract      resequence
15 insert       sequence
16 join         string
17 list         suffix
18 locate