Manual browser: panel-embed(1)
panel-embed — Helper for the embedding Panel applet
panel-embed is a helper program for the embedding Panel applet. It automatically embeds the child program inside the Panel, provided this program prints out the XID of the window to embed in a single line, on its standard output stream.
panel-embed expects the name of a command, along with its optional parameters to be specified as arguments on the command line.
Issues can be listed and reported at https://www.defora.org/os/project/bug_list/3262/Panel.