diff --git a/4.1.2-xml/docbook.cat b/4.1.2-xml/docbook.cat
index baa695c..1a79cd5 100644
--- a/4.1.2-xml/docbook.cat
+++ b/4.1.2-xml/docbook.cat
@@ -41,25 +41,25 @@ PUBLIC "-//OASIS//ENTITIES DocBook XML Character Entities V4.1.2//EN" "dbcentx.m
   -- ...................................................................... --
   -- ISO entity sets ...................................................... --
 
-PUBLIC "ISO 8879:1986//ENTITIES Diacritical Marks//EN" "ent/iso-dia.ent"
-PUBLIC "ISO 8879:1986//ENTITIES Numeric and Special Graphic//EN" "ent/iso-num.ent"
-PUBLIC "ISO 8879:1986//ENTITIES Publishing//EN" "ent/iso-pub.ent"
-PUBLIC "ISO 8879:1986//ENTITIES General Technical//EN" "ent/iso-tech.ent"
-PUBLIC "ISO 8879:1986//ENTITIES Added Latin 1//EN" "ent/iso-lat1.ent"
-PUBLIC "ISO 8879:1986//ENTITIES Added Latin 2//EN" "ent/iso-lat2.ent"
-PUBLIC "ISO 8879:1986//ENTITIES Greek Letters//EN" "ent/iso-grk1.ent"
-PUBLIC "ISO 8879:1986//ENTITIES Monotoniko Greek//EN" "ent/iso-grk2.ent"
-PUBLIC "ISO 8879:1986//ENTITIES Greek Symbols//EN" "ent/iso-grk3.ent"
-PUBLIC "ISO 8879:1986//ENTITIES Alternative Greek Symbols//EN" "ent/iso-grk4.ent"
-PUBLIC "ISO 8879:1986//ENTITIES Added Math Symbols: Arrow Relations//EN" "ent/iso-amsa.ent"
-PUBLIC "ISO 8879:1986//ENTITIES Added Math Symbols: Binary Operators//EN" "ent/iso-amsb.ent"
-PUBLIC "ISO 8879:1986//ENTITIES Added Math Symbols: Delimiters//EN" "ent/iso-amsc.ent"
-PUBLIC "ISO 8879:1986//ENTITIES Added Math Symbols: Negated Relations//EN" "ent/iso-amsn.ent"
-PUBLIC "ISO 8879:1986//ENTITIES Added Math Symbols: Ordinary//EN" "ent/iso-amso.ent"
-PUBLIC "ISO 8879:1986//ENTITIES Added Math Symbols: Relations//EN" "ent/iso-amsr.ent"
-PUBLIC "ISO 8879:1986//ENTITIES Box and Line Drawing//EN" "ent/iso-box.ent"
-PUBLIC "ISO 8879:1986//ENTITIES Russian Cyrillic//EN" "ent/iso-cyr1.ent"
-PUBLIC "ISO 8879:1986//ENTITIES Non-Russian Cyrillic//EN" "ent/iso-cyr2.ent"
+PUBLIC "ISO 8879:1986//ENTITIES Diacritical Marks//EN//XML" "ent/iso-dia.ent"
+PUBLIC "ISO 8879:1986//ENTITIES Numeric and Special Graphic//EN//XML" "ent/iso-num.ent"
+PUBLIC "ISO 8879:1986//ENTITIES Publishing//EN//XML" "ent/iso-pub.ent"
+PUBLIC "ISO 8879:1986//ENTITIES General Technical//EN//XML" "ent/iso-tech.ent"
+PUBLIC "ISO 8879:1986//ENTITIES Added Latin 1//EN//XML" "ent/iso-lat1.ent"
+PUBLIC "ISO 8879:1986//ENTITIES Added Latin 2//EN//XML" "ent/iso-lat2.ent"
+PUBLIC "ISO 8879:1986//ENTITIES Greek Letters//EN//XML" "ent/iso-grk1.ent"
+PUBLIC "ISO 8879:1986//ENTITIES Monotoniko Greek//EN//XML" "ent/iso-grk2.ent"
+PUBLIC "ISO 8879:1986//ENTITIES Greek Symbols//EN//XML" "ent/iso-grk3.ent"
+PUBLIC "ISO 8879:1986//ENTITIES Alternative Greek Symbols//EN//XML" "ent/iso-grk4.ent"
+PUBLIC "ISO 8879:1986//ENTITIES Added Math Symbols: Arrow Relations//EN//XML" "ent/iso-amsa.ent"
+PUBLIC "ISO 8879:1986//ENTITIES Added Math Symbols: Binary Operators//EN//XML" "ent/iso-amsb.ent"
+PUBLIC "ISO 8879:1986//ENTITIES Added Math Symbols: Delimiters//EN//XML" "ent/iso-amsc.ent"
+PUBLIC "ISO 8879:1986//ENTITIES Added Math Symbols: Negated Relations//EN//XML" "ent/iso-amsn.ent"
+PUBLIC "ISO 8879:1986//ENTITIES Added Math Symbols: Ordinary//EN//XML" "ent/iso-amso.ent"
+PUBLIC "ISO 8879:1986//ENTITIES Added Math Symbols: Relations//EN//XML" "ent/iso-amsr.ent"
+PUBLIC "ISO 8879:1986//ENTITIES Box and Line Drawing//EN//XML" "ent/iso-box.ent"
+PUBLIC "ISO 8879:1986//ENTITIES Russian Cyrillic//EN//XML" "ent/iso-cyr1.ent"
+PUBLIC "ISO 8879:1986//ENTITIES Non-Russian Cyrillic//EN//XML" "ent/iso-cyr2.ent"
 
   -- End of catalog data for DocBook XML V4.1.2 ............................. --
   -- ...................................................................... --