Squid-2.2.STABLE4: snmp_port disabled by using 0
    Cosmetic change in the documentation on snmp_port, to make it more
    consistent with icp_port (use "0" to disable, said "-1". In fact any
    value <= 0 disables SNMP)

Index: squid/src/cf.data.pre
diff -u squid/src/cf.data.pre:1.1.1.38.2.8 squid/src/cf.data.pre:1.1.1.38.2.9
--- squid/src/cf.data.pre:1.1.1.38.2.8	Mon Aug  2 22:27:13 1999
+++ squid/src/cf.data.pre	Mon Aug  2 22:32:43 1999
@@ -2463,7 +2463,7 @@
 DOC_START
 	Squid can now serve statistics and status information via SNMP.
 	By default it listens to port 3401 on the machine. If you don't
-	wish to use SNMP, set this to '-1'.
+	wish to use SNMP, set this to "0".
 
 	NOTE: SNMP support requires use the --enable-snmp configure
 	command line option.