diff -urNad nedit-5.7~/source/menu.c nedit-5.7/source/menu.c
--- nedit-5.7~/source/menu.c	2017-02-05 03:15:41.000000000 +1100
+++ nedit-5.7/source/menu.c	2022-10-05 12:28:02.904780552 +1100
@@ -226,6 +226,7 @@
 	Cardinal *nArgs);
 static void closeAP(Widget w, XEvent *event, String *args, Cardinal *nArgs); 
 static void saveAP(Widget w, XEvent *event, String *args, Cardinal *nArgs); 
+static void saveAllAP(Widget w, XEvent *event, String *args, Cardinal *nArgs);
 static void saveAsDialogAP(Widget w, XEvent *event, String *args,
 	Cardinal *nArgs); 
 static void saveAsAP(Widget w, XEvent *event, String *args, Cardinal *nArgs); 
@@ -439,6 +440,8 @@
     {"open_selected", openSelectedAP},
     {"close", closeAP},
     {"save", saveAP},
+    {"save-all", saveAllAP },
+    {"save_all", saveAllAP },
     {"save-as", saveAsAP},
     {"save_as", saveAsAP},
     {"save-as-dialog", saveAsDialogAP},
@@ -678,6 +681,7 @@
     window->closeItem = createMenuItem(menuPane, "close", "Close", 'C',
     	    doActionCB, "close", SHORT);
     createMenuItem(menuPane, "save", "Save", 'S', doActionCB, "save", SHORT);
+    createMenuItem(menuPane, "saveAll", "Save All", 'l', doActionCB, "save-all", SHORT); 
     createMenuItem(menuPane, "saveAs", "Save As...", 'A', doActionCB,
     	    "save_as_dialog", SHORT);
     createMenuItem(menuPane, "revertToSaved", "Revert to Saved", 'R',
@@ -2834,6 +2838,17 @@
     SaveWindow(window);
 }
 
+static void saveAllAP(Widget w, XEvent *event, String *args, Cardinal *nArgs)
+{
+    WindowInfo *window;
+
+    for (window = WindowList; window != NULL; window = window->next) {
+        if (CheckReadOnly(window))
+            continue;
+        SaveWindow(window);
+    }
+}
+
 static void saveAsDialogAP(Widget w, XEvent *event, String *args,
 	Cardinal *nArgs) 
 {