stevedlawrence commented on a change in pull request #223: Daffodil 1444 schema 
comp simple types
URL: https://github.com/apache/incubator-daffodil/pull/223#discussion_r289977144
 
 

 ##########
 File path: 
daffodil-core/src/main/scala/org/apache/daffodil/grammar/ElementBaseGrammarMixin.scala
 ##########
 @@ -577,17 +577,23 @@ trait ElementBaseGrammarMixin
     lazy val allowedValue = allowedValueArg
     if (this.isOutputValueCalc)
       SimpleTypeRetry(this, allowedValue)
-    else if (this.isInstanceOf[PrefixLengthQuasiElementDecl] &&
-      
this.asInstanceOf[PrefixLengthQuasiElementDecl].detachedReference.impliedRepresentation
 == Representation.Text)
-      // If an element has text representation and has a prefixed length, it
+    else if (this.isInstanceOf[PrefixLengthQuasiElementDecl]) {
+      //
+      // This predicate used to check the detachedReference for representation 
text.
+      // Seems like a mistake. It's just about variable length here.
+      // You can have prefixed length on hexBinary.
+      //
+      // && 
this.asInstanceOf[PrefixLengthQuasiElementDecl].detachedReference.impliedRepresentation
 == Representation.Text)
+      //
 
 Review comment:
   Agreed, I think this is wrong, I'm not sure keeping this comment around adds 
anything. I think it's just confusing.

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