diff --git a/Nasal/libraries.nas b/Nasal/libraries.nas
index cdb78b23..ee42655e 100644
--- a/Nasal/libraries.nas
+++ b/Nasal/libraries.nas
@@ -258,25 +258,25 @@ aglgears();
 
 canvas.Text._lastText2 = "";
 canvas.Text.setText = func (text) {
-      if (text == me._lastText2) {return me;}
-      me._lastText2 = text;
-      me.set("text", typeof(text) == 'scalar' ? text : "");
+	if (text == me._lastText2) {return me;}
+	me._lastText2 = text;
+	me.set("text", typeof(text) == 'scalar' ? text : "");
 };
 canvas.Element._lastVisible = 1;
 canvas.Element.show = func () {
-      if (1 == me._lastVisible) {return me;}
-      me._lastVisible = 1;
-      me.setBool("visible", 1);
+	if (1 == me._lastVisible) {return me;}
+	me._lastVisible = 1;
+	me.setBool("visible", 1);
 };
 canvas.Element.hide = func () {
-      if (0 == me._lastVisible) {return me;}
-      me._lastVisible = 0;
-      me.setBool("visible", 0);
+	if (0 == me._lastVisible) {return me;}
+	me._lastVisible = 0;
+	me.setBool("visible", 0);
 };
 canvas.Element.setVisible = func (vis) {
-      if (vis == me._lastVisible) {return me;}
-      me._lastVisible = vis;
-      me.setBool("visible", vis);
+	if (vis == me._lastVisible) {return me;}
+	me._lastVisible = vis;
+	me.setBool("visible", vis);
 };
 
 # In air, flaps 1 is slats only. On ground, it is slats and flaps.