B.3 xhandler - enable an X error handler

B.3.2 Description

Enable an X error handler using the standard Tk facilities. Whenever an X error occurs, it will be quietly ignored.

This command was added when Tk v3.6 was still being used. This had a bug in it which could crash long-running applications. No crashes have been seen with the Tk v4.1 version.

Once an X error handler has been enabled, it cannot currently be removed.

Tcl/Tk/KTL Interface - 13 NOV 1996

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