Fix formatting according to Shellcheck 2/2

dnsapi/dns_artfiles.sh

@@ -101,8 +101,9 @@ _clean_records() {
   # from '\"' & turn '\n' into real LF characters.
   # Yup, awful API to use - but that's all we got to get this working, so... ;)
   _debug2 'Raw  ' "$response"
-  response="$(printf -- '%s' "$response"
-    \ | sed 's/^\(.*TXT":"\)\([^,}]*\)\(.*\)$/\2/;s/.$//;s/\\"/"/g;s/\\n/\n/g')"
+  response="$(
+    printf -- '%s' "$response"
+    \  | sed 's/^\(.*TXT":"\)\([^,}]*\)\(.*\)$/\2/;s/.$//;s/\\"/"/g;s/\\n/\n/g')"
   _debug2 'Clean' "$response"
 }
 
@@ -112,8 +113,9 @@ _clean_records() {
 _dns() {
   action="$1"
   payload="$(printf -- '%s' "$2" | _url_encode)"
-  url="$(printf -- '%s%s' "$AF_URL_DNS" "$domain"
-    \ | sed 's/{\*}/'"$(printf -- '%s' "$action" | _lower_case)"'/')"
+  url="$(
+    printf -- '%s%s' "$AF_URL_DNS" "$domain"
+    \  | sed 's/{\*}/'"$(printf -- '%s' "$action" | _lower_case)"'/')"
 
   if [ "$action" = 'SET' ]; then
     _debug2 'Payload' "$payload"