--- a/src/java.xml/share/classes/com/sun/org/apache/xerces/internal/impl/msg/XMLMessages.properties	Sun Jan 14 21:46:14 2018 -0800
+++ b/src/java.xml/share/classes/com/sun/org/apache/xerces/internal/impl/msg/XMLMessages.properties	Tue Jan 16 14:44:04 2018 -0800
@@ -304,4 +304,5 @@
         EntityReplacementLimit=JAXP00010007: The total number of nodes in entity references is \"{0}\" that is over the limit \"{1}\" set by \"{2}\".
 
 # Catalog 09
-        CatalogException=JAXP00090001: The CatalogResolver is enabled with the catalog \"{0}\", but a CatalogException is returned.
\ No newline at end of file
+# Technical term, do not translate: catalog
+        CatalogException=JAXP00090001: The CatalogResolver is enabled with the catalog \"{0}\", but a CatalogException is returned.

--- a/src/java.xml/share/classes/javax/xml/catalog/CatalogMessages.properties	Sun Jan 14 21:46:14 2018 -0800
+++ b/src/java.xml/share/classes/javax/xml/catalog/CatalogMessages.properties	Tue Jan 16 14:44:04 2018 -0800
@@ -30,6 +30,7 @@
 CircularReference = JAXP09010001: Circular reference is not allowed: ''{0}''.
 
 # Input or configuration errors
+# Technical term, do not translate: catalog
 InvalidCatalog = JAXP09020001: The document element of a catalog must be catalog.
 InvalidEntryType = JAXP09020002: The entry type ''{0}'' is not valid.
 UriNotAbsolute = JAXP09020003: The specified URI ''{0}'' is not absolute.
@@ -41,12 +42,16 @@
 
 # Parsing errors
 ParserConf = JAXP09030001: Unexpected error while configuring a SAX parser.
+# Technical term, do not translate: catalog
 ParsingFailed = JAXP09030002: Failed to parse the catalog file.
+# Technical term, do not translate: catalog
 NoCatalogFound = JAXP09030003: No Catalog is specified.
 
 
 # Resolving errors
 NoMatchFound = JAXP09040001: No match found for publicId ''{0}'' and systemId ''{1}''.
+# Technical term, do not translate: href, base
 NoMatchURIFound = JAXP09040002: No match found for href ''{0}'' and base ''{1}''.
+# Technical term, do not translate: href, base
 FailedCreatingURI = JAXP09040003: Can not construct URI using href ''{0}'' and base ''{1}''.