+.PP
+It is better to write
+.IP
+.B xcatch
+.I command args
+.PP
+than
+.IP
+.I command args
+.B | xcatch
+.PP
+The former allows
+.B xcatch
+to collect the exit status of the
+.I command
+and (a) report it in its window, and (b) provide it (or a version of it)
+as its own exit status for the caller to check. It also enables
+.B xcatch
+to put the command line in its title bar.
+.SS Options