ex(1) on Linux
The text 89667af699df, as Debian 2.2 (Potato) shipped it.
Vi IMproved, a programmers text editor
Flags it lists
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-C -
-F -
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-T -
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-b -
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-d -
-e -
-f -
-g -
-h -
-i -
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-m -
-n -
-o -
-q -
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-s -
-t -
-u -
-v -
-w -
-x