diff -r b6ec2e275736 -r 6df94ca2bfde src/EditFermentable.h
--- a/src/EditFermentable.h	Wed Jun 15 14:48:10 2022 +0200
+++ b/src/EditFermentable.h	Wed Jun 15 16:45:43 2022 +0200
@@ -26,6 +26,10 @@
     void is_changed();
     void wk_changed(double val);
     void lintner_changed(double val);
+    void prod_date_clear();
+    void prod_date_today();
+    void tht_date_clear();
+    void tht_date_today();
 
 private:
     Ui::EditFermentable *ui;