1 files changed, 5 insertions, 5 deletions
diff --git a/Source/DafnyExtension/IdentifierTagger.cs b/Source/DafnyExtension/IdentifierTagger.cs
index 51f837f7..998a2d7f 100644
--- a/Source/DafnyExtension/IdentifierTagger.cs
+++ b/Source/DafnyExtension/IdentifierTagger.cs
@@ -381,7 +381,7 @@ namespace DafnyLanguage
         Contract.Requires(prog != null);
         Contract.Requires(tok != null);
         Contract.Requires(v != null);
-        if (InMainFile(prog, tok)) {
+        if (InMainFileAndUserDefined(prog, tok)) {
           regions.Add(new IdRegion(tok, v, isDefinition, kind, context));
         }
       }
@@ -391,7 +391,7 @@ namespace DafnyLanguage
         Contract.Requires(tok != null);
         Contract.Requires(decl != null);
         Contract.Requires(kind != null);
-        if (InMainFile(prog, tok)) {
+        if (InMainFileAndUserDefined(prog, tok)) {
           regions.Add(new IdRegion(tok, decl, showType, kind, isDefinition, context));
         }
       }
@@ -401,7 +401,7 @@ namespace DafnyLanguage
         Contract.Requires(prog != null);
         Contract.Requires(tok != null);
         Contract.Requires(text != null);
-        if (InMainFile(prog, tok)) {
+        if (InMainFileAndUserDefined(prog, tok)) {
           regions.Add(new IdRegion(tok, OccurrenceKind.AdditionalInformation, text, length));
         }
       }
@@ -457,10 +457,10 @@ namespace DafnyLanguage
 
   public abstract class DafnyRegion
   {
-    public static bool InMainFile(Microsoft.Dafny.Program prog, Bpl.IToken tok) {
+    public static bool InMainFileAndUserDefined(Microsoft.Dafny.Program prog, Bpl.IToken tok) {
       Contract.Requires(prog != null);
       Contract.Requires(tok != null);
-      return object.Equals(prog.FullName, tok.filename);
+      return object.Equals(prog.FullName, tok.filename) && !(tok is AutoGeneratedToken);
     }
   }