Synchronize the PORTAGE_ELOG_SYSTEM example with the default
make.globals setting.
# separated list of loglevels to override PORTAGE_ELOG_CLASSES
# for this module (e.g.
# PORTAGE_ELOG_SYSTEM="mail:warn,error syslog:* save")
-#PORTAGE_ELOG_SYSTEM="save mail"
+#PORTAGE_ELOG_SYSTEM="save_summary echo"
# PORTAGE_ELOG_COMMAND: only used with the "custom" logging module. Specifies a command
# to process log messages. Two variables are expanded: