If the RX document requests
If the RX document requests XPRINT service, RX Plugin looks for the variable XPRINTER to get the printer name and X Print server address to use. If the server address is not specified as part of XPRINTER, RX Plugin uses the first one specified through the variable XPSERVERLIST when it is set. When it is not RX Plugin then tries to use the video server as the print server. If the printer name is not specified via XPRINTER, RX Plugin looks for it in the variables PDPRINTER, then LPDEST, and finally PRINTER.
Notes
When an authorization key is created for a remote application to use the X Print service, the RX Plugin has to create the key with an infinite timeout since nobody knows when the application will actually connect to the X Print server. It then revokes the key when its instance is destroyed (that is when you go to another page). However, if the plugin does not get destroyed properly, which happens when Netscape Navigator dies unexpectedly, the print authorization key will never get revoked.
Origin
The Open Group
See Also
xrx(1),
lbxproxy(1),
proxymngr(1)
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