1 files changed, 3 insertions, 0 deletions
diff --git a/src/docvisitor.h b/src/docvisitor.h
index 5caf414..d12295c 100644
--- a/src/docvisitor.h
+++ b/src/docvisitor.h
@@ -67,6 +67,7 @@ class DocHtmlHeader;
 class DocImage;
 class DocDotFile;
 class DocMscFile;
+class DocDiaFile;
 class DocLink;
 class DocCite;
 class DocRef;
@@ -166,6 +167,8 @@ class DocVisitor
     virtual void visitPost(DocDotFile *) = 0;
     virtual void visitPre(DocMscFile *) = 0;
     virtual void visitPost(DocMscFile *) = 0;   
+    virtual void visitPre(DocDiaFile *) = 0;
+    virtual void visitPost(DocDiaFile *) = 0;
     virtual void visitPre(DocLink *) = 0;
     virtual void visitPost(DocLink *) = 0;
     virtual void visitPre(DocRef *) = 0;