a bit more improved telnet urls

bopher-ng.sh

@@ -106,8 +106,11 @@ gmparse() { # args: line, curhost, curport
     [[ '3' == "$rtype" ]] && desc="$ERRCOLOR$desc$ERESET" # wrap error messages in the coloration terminal commands
     # handle external URLs as information lines of a special kind
     [[ 'h' == "$rtype" ]] && desc="$desc: ${sel#URL:}"
-    # handle 8-type resources as telnet:// URIs
-    [[ '8' == "$rtype" ]] && desc="$desc: telnet://${sel}@${rhost}:${rport}/"
+    if [[ '8' == "$rtype" ]]; then # handle 8-type resources as telnet:// URIs
+      local username="${sel}@"
+      [[ -z "${sel}" ]] && username=''
+      desc="$desc: telnet://${username}${rhost}:${rport}/"
+    fi
   fi
   [[ '0' == "$rtype" ]] && action='P' # plain text is plain text
   [[ '1' == "$rtype" ]] && action='M' # it's a Gophermap