btyacc(1) on Linux
The text da332e9dacf9, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye) shipped it. The page shows this text now.
an LALR(1) parser generator with support for backtracking
Flags it lists
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-DNAME -
-E -
-S -
-b -
-d -
-l -
-r -
-t -
-v