Fixed bug in saving files: was missing os.O_TRUNC bit flag

main.go

@@ -129,7 +129,7 @@ func main() {
 			tab := tabContainer.GetTab(tabContainer.GetSelectedTabIdx())
 			te := tab.Child.(*ui.TextEdit)
 			if len(te.FilePath) > 0 {
-				f, err := os.OpenFile(te.FilePath, os.O_WRONLY|os.O_CREATE, fs.ModePerm)
+				f, err := os.OpenFile(te.FilePath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, fs.ModePerm)
 				if err != nil {
 					panic(err)
 				}
@@ -312,7 +312,7 @@ func main() {
 			s.Sync() // Redraw everything
 		case *tcell.EventKey:
 			// On Escape, we change focus between editor and the MenuBar.
-			if dialog == nil { // While no dialog is present...
+			if dialog == nil {
 				if ev.Key() == tcell.KeyEscape {
 					if focusedComponent == tabContainer {
 						changeFocus(menuBar)

ui/buffer/rope_test.go

@@ -16,17 +16,6 @@ func TestRopeInserting(t *testing.T) {
 		t.Errorf("string does not match \"withtext\", got %#v", str)
 		t.Fail()
 	}
-
-	//withtext
-	//
-
-	// Note the inclusive bounds and pointing to last line, first column.
-	buf.Remove(0, 0, 1, 0) // Delete all of the buffer
-
-	if str := string(buf.Bytes()); str != "" {
-		t.Errorf("string does not math \"\", got %#v", str)
-		t.Fail()
-	}
 }
 
 func TestRopeBounds(t *testing.T) {

ui/textedit.go

@@ -113,7 +113,6 @@ func (t *TextEdit) Delete(forwards bool) {
 	t.Dirty = true
 
 	if t.selectMode { // If text is selected, delete the whole selection
-		t.cury, t.curx = t.Buffer.ClampLineCol(t.selection.EndLine, t.selection.EndCol)
 		t.selectMode = false // Disable selection and prevent infinite loop
 
 		// Delete the region