-# YAZ_LOG=irspy,irspy_test,irspy_debug perl -I lib irspy.pl -t "bagel.indexdata.dk/gils z3950.loc.gov:7090/Voyager" localhost:1313/IR-Explain---1
+# YAZ_LOG=irspy,irspy_test IRSPY_SAVE_XML=1 perl -I../lib irspy.pl -t Quick localhost:8018/IR-Explain---1 Z39.50:amicus.oszk.hu:1616/ANY
+# YAZ_LOG=irspy,irspy_test sudo ./setrlimit -n 3000 -u mike -- perl -I../lib irspy.pl -t Main -a localhost:8018/IR-Explain---1
+# YAZ_LOG=irspy,irspy_test perl -I../lib irspy.pl -t Main -a -n 100 localhost:8018/IR-Explain---1
+#
+# Available log-levels are as follows:
+# irspy -- high-level application logging
+# irspy_debug -- low-level debugging (not very interesting)
+# irspy_event -- invocations of ZOOM_event() and individual events
+# irspy_unhandled -- unhandled events (not very interesting)
+# irspy_test -- adding, queueing and running tests
+# irspy_task -- adding, queueing and running tasks
+
+# I have no idea why this directory is not in Ubuntu's default Perl
+# path, but we need it because just occasionally overload.pm:88
+# requires Scalar::Util, which is in this directory.
+#use lib '/usr/share/perl/5.8.7';
+
+use Scalar::Util;
+use Getopt::Std;
+use ZOOM::IRSpy::Web;
+use Carp;