1 files changed, 10 insertions, 0 deletions

diff --git a/apps/plugins/text_viewer/tv_preferences.h b/apps/plugins/text_viewer/tv_preferences.h
index bc871a7255..bb448b0f4b 100644
--- a/apps/plugins/text_viewer/tv_preferences.h
+++ b/apps/plugins/text_viewer/tv_preferences.h
@@ -104,6 +104,7 @@ struct tv_preferences {
  *     global pointer to the preferences (read-only)
  */
 extern const struct tv_preferences * const preferences;
+extern bool preferences_changed;
 
 /*
  * change the preferences
@@ -126,6 +127,15 @@ bool tv_set_preferences(const struct tv_preferences *new_prefs);
 void tv_copy_preferences(struct tv_preferences *copy_prefs);
 
 /*
+ * compare the preferences structs (binary)
+ *
+ * return
+ *     true  differs
+ *     false identical
+ */
+bool tv_compare_preferences(struct tv_preferences *copy_prefs);
+
+/*
  * set the default settings
  *
  * [Out] p