add "Clear Console" menu item

pd/nw/index.js

@@ -455,6 +455,12 @@ function nw_create_pd_window_menus(gui, w) {
         minit(m.edit.font, { enabled: false });
         minit(m.edit.cordinspector, { enabled: false });
     }
+    minit(m.edit.clear_console, {
+        click: function() {
+            var container = w.document.getElementById("p1");
+            container.textContent = "";
+        }
+    });
     minit(m.edit.find, {
         click: function () {
             var find_bar = w.document.getElementById("console_find"),

pd/nw/locales/en/translation.json

@@ -130,6 +130,8 @@
     "find_tt": "Find text in the console output",
     "tidyup": "Tidy Up",
     "tidyup_tt": "Line up the selected objects in straight rows and columns",
+    "clear_console": "Clear Console",
+    "clear_console_tt": "Clear the Pd Window Console",
     "tofront": "Bring to Front",
     "tofront_tt": "Bring the selected object visually in front of all other objects",
     "toback": "Send to Back",

pd/nw/pd_menus.js

@@ -158,7 +158,13 @@ function create_menu(gui, type) {
         }));
     }
     editMenu.append(new gui.MenuItem({ type: "separator" }));
-    editMenu.append(new gui.MenuItem({ type: "separator" }));
+    if (!canvas_menu) {
+        editMenu.append(m.edit.clear_console = new gui.MenuItem({
+            label: l("menu.clear_console"),
+            tooltip: l("menu.clear_console")
+        }));
+        editMenu.append(new gui.MenuItem({ type: "separator" }));
+    }
     if (canvas_menu) {
         editMenu.append(m.edit.tidyup = new gui.MenuItem({
             label: l("menu.tidyup"),