1 files changed, 3 insertions, 0 deletions
diff --git a/src/data/tikzdocument.h b/src/data/tikzdocument.h
index 9b6893a..8f16a53 100644
--- a/src/data/tikzdocument.h
+++ b/src/data/tikzdocument.h
@@ -32,6 +32,9 @@ public:
     void saveAs();
     void save();
 
+    bool isClean() const;
+    void setClean();
+
 private:
     Graph *_graph;
     QString _tikz;