hp_pjl_id.xml in recog-2.1.0

- old
+ new
@@ -1,11 +1,14 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 For printers running the PJL protocol (usually on 9100/tcp), their type can be requested
 by the INFO ID command. The printer types (strings surrounded by double quotes) are
 matched against these patterns to fingerprint the printer.
+
+'preference' notes: The value has been explicitly set to 0.10 due to the very loose
+regex that is used here.
 -->
-<fingerprints>
+<fingerprints protocol="pjl" database_type="service" preference="0.10">
   <!--
    LaserJet and Designjet are registered trademarks of HP. Therefore matching for the keywords
    is sufficient for asserting all relevant information
    -->
   <fingerprint pattern="laserjet (.*)(?: series)?" flags="REG_ICASE">