diff --git a/swad_changelog.h b/swad_changelog.h
index e42adaeab..f868a63e4 100644
--- a/swad_changelog.h
+++ b/swad_changelog.h
@@ -629,11 +629,12 @@ TODO: Emilce Barrera Mesa: Podr
 TODO: Emilce Barrera Mesa: Mis estudiantes presentan muchas dificultades a la hora de poner la foto porque la plataforma es muy exigente respecto al fondo de la imagen.
 
 */
-#define Log_PLATFORM_VERSION	"SWAD 22.120.12 (2023-09-10)"
+#define Log_PLATFORM_VERSION	"SWAD 22.120.13 (2023-09-10)"
 #define CSS_FILE		"swad22.120.4.css"
 #define JS_FILE			"swad22.49.js"
 /*
-	Version 22.120.12:Sep 10, 2023  Code refactoring related to hidden-visible in exam sessions. (337584 lines)
+	Version 22.120.13:Sep 10, 2023  Code refactoring related to hidden-visible in program items. (337587 lines)
+	Version 22.120.12:Sep 10, 2023  Code refactoring related to hidden-visible in games. (337584 lines)
 	Version 22.120.11:Sep 09, 2023  Code refactoring related to hidden-visible in exam sessions. (337594 lines)
 	Version 22.120.10:Sep 09, 2023  Code refactoring related to hidden-visible in exams. (337604 lines)
 	Version 22.120.9: Sep 09, 2023  Code refactoring related to hidden-visible in attendance. (337607 lines)
diff --git a/swad_program.c b/swad_program.c
index 2aa2a4623..c8d2bbcf7 100644
--- a/swad_program.c
+++ b/swad_program.c
@@ -165,7 +165,7 @@ static void Prg_GetItemDataFromRow (MYSQL_RES **mysql_res,
                                     struct Prg_Item *Item,
                                     unsigned NumRows);
 
-static void Prg_HideOrUnhideItem (bool Hide);
+static void Prg_HideOrUnhideItem (HidVis_HiddenOrVisible_t HiddenOrVisible);
 
 static void Prg_MoveUpDownItem (Prg_MoveUpDown_t UpDown);
 static bool Prg_ExchangeItemRanges (int NumItemTop,int NumItemBottom);
@@ -1453,15 +1453,15 @@ void Prg_RemoveItem (void)
 
 void Prg_HideItem (void)
   {
-   Prg_HideOrUnhideItem (true);
+   Prg_HideOrUnhideItem (HidVis_HIDDEN);
   }
 
 void Prg_UnhideItem (void)
   {
-   Prg_HideOrUnhideItem (false);
+   Prg_HideOrUnhideItem (HidVis_VISIBLE);
   }
 
-static void Prg_HideOrUnhideItem (bool Hide)
+static void Prg_HideOrUnhideItem (HidVis_HiddenOrVisible_t HiddenOrVisible)
   {
    struct Prg_Item Item;
 
@@ -1474,7 +1474,7 @@ static void Prg_HideOrUnhideItem (bool Hide)
       Err_WrongItemExit ();
 
    /***** Hide/unhide program item *****/
-   Prg_DB_HideOrUnhideItem (Item.Hierarchy.ItmCod,Hide);
+   Prg_DB_HideOrUnhideItem (Item.Hierarchy.ItmCod,HiddenOrVisible);
 
    /***** Show program items highlighting subtree *****/
    Prg_ShowAllItems (Prg_EDIT_ITEMS,Item.Hierarchy.ItmCod,-1L);
diff --git a/swad_program_database.c b/swad_program_database.c
index 22a32e7b1..495778e3e 100644
--- a/swad_program_database.c
+++ b/swad_program_database.c
@@ -85,18 +85,19 @@ void Prg_DB_UpdateItem (const struct Prg_Item *Item,const char *Txt)
   }
 
 /*****************************************************************************/
-/************************* Hide/unhide a program item *************************/
+/************************* Hide/unhide a program item ************************/
 /*****************************************************************************/
 
-void Prg_DB_HideOrUnhideItem (long ItmCod,bool Hide)
+void Prg_DB_HideOrUnhideItem (long ItmCod,
+			      HidVis_HiddenOrVisible_t HiddenOrVisible)
   {
    DB_QueryUPDATE ("can not hide/unhide program item",
 		   "UPDATE prg_items"
 		     " SET Hidden='%c'"
 		   " WHERE ItmCod=%ld"
 		     " AND CrsCod=%ld",	// Extra check
-		   Hide ? 'Y' :
-			  'N',
+		   HiddenOrVisible == HidVis_HIDDEN ? 'Y' :
+						      'N',
 		   ItmCod,
                    Gbl.Hierarchy.Crs.CrsCod);
   }
diff --git a/swad_program_database.h b/swad_program_database.h
index 20185c9b0..40e0b2363 100644
--- a/swad_program_database.h
+++ b/swad_program_database.h
@@ -38,7 +38,8 @@
 //--------------------------------- Items -------------------------------------
 long Prg_DB_InsertItem (const struct Prg_Item *Item,const char *Txt);
 void Prg_DB_UpdateItem (const struct Prg_Item *Item,const char *Txt);
-void Prg_DB_HideOrUnhideItem (long ItmCod,bool Hide);
+void Prg_DB_HideOrUnhideItem (long ItmCod,
+			      HidVis_HiddenOrVisible_t HiddenOrVisible);
 void Prg_DB_UpdateIndexRange (long Diff,long Begin,long End);
 void Prg_DB_LockTableItems (void);
 void Prg_DB_MoveDownItems (unsigned Index);