r3117, r3123, r3229 merge: server name related merges: *) If .domain.com, .sub.domain.com, and .domain-some.com were defined, then .sub.domain.com was matched by .domain.com: wildcard names hash was built incorrectly due to sorting order issue of "." vs "-". They were sorted as com.domain com.domain-some com.domain.sub while they should be sorted as com.domain com.domain.sub com.domain-some for correct hash building *) test space between "~" and regex in server_name and invalid_referers *) do not run regex for empty host name since regex always fails in this case, the bug had been introduced in r2196

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