vlna(1) on Linux
The text 80bf47a79d56, as Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy) shipped it.
adds tilde after each non-syllabic preposition
Flags it lists
-
-f -
-l -
-m -
-n -
-r -
-s -
-v -
-w -
-x