ael(1) on Linux
The text f1e2baec1d97, as Debian 5.0 (Lenny) shipped it.
list (possibly) interesting things
Flags it lists
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-Change -
-Help -
-List -
-No-Page-Header -
-No_PAGer -
-PAGer -
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-Page_Length -
-Page_Width -
-Project -
-TERse -
-UNFormatted -
-Verbose