dispread(1) on Linux
The text 1adbd7d01165, as Debian 7 (Wheezy) shipped it.
Read a Display.
Flags it lists
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-C -
-D -
-F -
-H -
-I -
-J -
-K -
-M -
-N -
-P -
-Q -
-V -
-W -
-X -
-c -
-d -
-k -
-n -
-p -
-s -
-v -
-w -
-y