diff --git a/nx01-x4o-fc18/src/main/java/org/x4o/fc18/cake2/FourCornerDotCake.java b/nx01-x4o-fc18/src/main/java/org/x4o/fc18/cake2/FourCornerDotCake.java
index b72872c..7914c4b 100644
--- a/nx01-x4o-fc18/src/main/java/org/x4o/fc18/cake2/FourCornerDotCake.java
+++ b/nx01-x4o-fc18/src/main/java/org/x4o/fc18/cake2/FourCornerDotCake.java
@@ -147,10 +147,10 @@ public enum FourCornerDotCake {
 	
 	FC_CDC1604_P6(0, 64, FCDotCDC1604DashP6.values(), "Character Dough Cake"),
 	
-	FC_LUA0127_P7A(64, 27, FCDotLUA0127DashP7A.values(), "Local Union Alphabet P7A"), // low
-	FC_LUA0127_P7B(91, 27, FCDotLUA0127DashP7B.values(), "Local Union Alphabet P7B"), // low underline
-	FC_LUA0127_P7C(118, 27, FCDotLUA0127DashP7C.values(), "Local Union Alphabet P7C"), // upper bold ??
-	FC_LUA0127_P7D(145, 27, FCDotLUA0127DashP7D.values(), "Local Union Alphabet P7D"), // low italy
+	FC_LUA0127_P7A(64, 27, FCDotLUA0127DashP7A.values(), "Local Union Alphabet P7A"), // lower (normal is "Letter Under Attention" ??)
+	FC_LUA0127_P7B(91, 27, FCDotLUA0127DashP7B.values(), "Local Union Alphabet P7B"), // lower italy
+	FC_LUA0127_P7C(118, 27, FCDotLUA0127DashP7C.values(), "Local Union Alphabet P7C"), // upper bold
+	FC_LUA0127_P7D(145, 27, FCDotLUA0127DashP7D.values(), "Local Union Alphabet P7D"), // upper underbar (APL) (note: deleletes lower case underbar alphabet)
 	
 	FC_BYD0127_P7E(172, 27, FCDotBYD0127DashP7E.values(), "Block Your Display P7E"),
 	FC_BYD0127_P7F(199, 27, FCDotBYD0127DashP7F.values(), "Block Your Display P7F"),
diff --git a/nx01-x4o-fc18/src/main/java/org/x4o/fc18/cake2/zero33/dec1/FCDotDEC2701DashPX0.java b/nx01-x4o-fc18/src/main/java/org/x4o/fc18/cake2/zero33/dec1/FCDotDEC2701DashPX0.java
index 921af9c..adaf320 100644
--- a/nx01-x4o-fc18/src/main/java/org/x4o/fc18/cake2/zero33/dec1/FCDotDEC2701DashPX0.java
+++ b/nx01-x4o-fc18/src/main/java/org/x4o/fc18/cake2/zero33/dec1/FCDotDEC2701DashPX0.java
@@ -79,7 +79,7 @@ public enum FCDotDEC2701DashPX0 implements FourCornerX06BaklavaPointSequence, Fo
 	//ESC_PROLOG_DOCTYPE
 	__ESC_RESERVED_A9,
 	
-	// =========== Internal escape sequence, to embed symbols,fractions and adult texts.
+	// =========== Embed escape sequence
 	
 	/// _ESC6_X2 _ESC6_X1 _ESC6_X1 = 10
 	__ESC_RESERVED_B1,
@@ -123,7 +123,8 @@ public enum FCDotDEC2701DashPX0 implements FourCornerX06BaklavaPointSequence, Fo
 	__ESC_RESERVED_B8,
 	
 	/// _ESC6_X2 _ESC6_X3 _ESC6_X3 = 18
-	__ESC_RESERVED_B9,
+	/// Command for embedded octal sand worm for 6 or 8 bit systems.
+	ESC68_SAND_WORM,
 	
 	// =========== Internal control sequences
 	
@@ -147,8 +148,7 @@ public enum FCDotDEC2701DashPX0 implements FourCornerX06BaklavaPointSequence, Fo
 	__ESC_RESERVED_C6,
 	
 	/// _ESC6_X3 _ESC6_X3 _ESC6_X1 = 25
-	/// Command for embedded octal sand worm for 6 or 8 bit systems.
-	ESC68_SAND_WORM,
+	__ESC_RESERVED_C7,
 	
 	/// _ESC6_X3 _ESC6_X3 _ESC6_X2 = 26
 	/// Virtual Typewriter 0ctal Six bit control sequences with argumented commands which MUST end with ‽