non-zero code or on a signal. This enables you to see what went
wrong if the process suffers an error, but not to have to bother
closing the window in normal circumstances.
+.IP "\fBpterm.WarnOnClose\fP"
+This option should be set to either 0 or 1; the default is 1.
+When set to 1, \fIpterm\fP will ask for confirmation before closing
+its window when you press the close button.
.IP "\fBpterm.TerminalType\fP"
This controls the value set in the TERM environment variable inside
the new terminal. The default is "xterm".