add release dir

release/base/help/english/set/match_domain/=

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+ 'match_domain' is a string variable which allows you to restrict the scope
+ of your search by only matching results at those sites which are in the
+ pseudo-domain list you have set. 
+
+ See help on the 'domains' command for an explanation of archie
+ psuedo-domains.
+
+ The syntax for this command is:
+
+	set match_domain <pseudo-domain>[[':'<pseduo-domain>]...]
+
+ therefore you could say
+
+	set match_domain ca:mx:uk
+
+ which would restrict your search to sites in Canada ("ca"), Mexico
+ ("mx") and the United Kingdom ("uk")
+
+ Comparisons between the domain restrictions given and any site name are
+ case insensitive and performed from right to left. Therefore the
+ pseudo-domain list "EDU:va.us" will match any sites ending in "edu" or
+ in "va.us" (educational US sites and some of those in Virginia).
+
+ DNS names to any level may be supplied. You may use any combination of
+ real DNS domains and pseudo-domains to specify the restriction criteria,
+ however, any pseudo-domain specified must be supported by the current
+ server.  See the "domains" command for a further explanation and list of
+ domains supported.