Reference

propwatch(1) on Linux

The text 572bb590ee65, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 9 (Stretch), Debian 8 (Jessie) shipped it. The page shows this text now.

a tool to monitor X11 properties

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propwatch(1) on Linux now