diff --git a/dialog.go b/dialog.go
index 6ff5ff4..9c2ad2c 100644
--- a/dialog.go
+++ b/dialog.go
@@ -2,10 +2,6 @@
 
 package ui
 
-import (
-	// ...
-)
-
 // sentinel (not nil so programmer errors don't go undetected)
 // this window is invalid and cannot be used directly
 var dialogWindow = new(Window)
@@ -15,7 +11,7 @@ var dialogWindow = new(Window)
 // Optionally, secondaryText can be used to show additional information.
 // If you pass an empty string for secondaryText, neither additional information nor space for additional information will be shown.
 // On platforms that allow for the message box window to have a title, os.Args[0] is used.
-// 
+//
 // See "On Dialogs" in the package overview for behavioral information.
 func MsgBox(primaryText string, secondaryText string) {
 	<-dialogWindow.msgBox(primaryText, secondaryText)
@@ -32,7 +28,7 @@ func (w *Window) MsgBox(primaryText string, secondaryText string) (done chan str
 
 // MsgBoxError displays a message box to the user with just an OK button and an icon indicating an error.
 // Otherwise, it behaves like MsgBox.
-// 
+//
 // See "On Dialogs" in the package overview for more information.
 func MsgBoxError(primaryText string, secondaryText string) {
 	<-dialogWindow.msgBoxError(primaryText, secondaryText)
diff --git a/dialog_darwin.go b/dialog_darwin.go
index 3047ed0..038c640 100644
--- a/dialog_darwin.go
+++ b/dialog_darwin.go
@@ -12,7 +12,7 @@ import "C"
 //export dialog_send
 func dialog_send(pchan unsafe.Pointer, res C.intptr_t) {
 	rchan := (*chan int)(pchan)
-	go func() {		// send it in a new goroutine like we do with everything else
+	go func() { // send it in a new goroutine like we do with everything else
 		*rchan <- int(res)
 	}()
 }
@@ -31,9 +31,9 @@ func _msgBox(parent *Window, primarytext string, secondarytext string, style uin
 			secondary = toNSString(secondarytext)
 		}
 		switch style {
-		case 0:		// normal
+		case 0: // normal
 			C.msgBox(pwin, primary, secondary, unsafe.Pointer(&ret))
-		case 1:		// error
+		case 1: // error
 			C.msgBoxError(pwin, primary, secondary, unsafe.Pointer(&ret))
 		}
 	}
diff --git a/dialog_unix.go b/dialog_unix.go
index 9a6702c..f22f1c6 100644
--- a/dialog_unix.go
+++ b/dialog_unix.go
@@ -15,7 +15,7 @@ import (
 // static inline GtkWidget *gtkNewMsgBox(GtkWindow *parent, GtkMessageType type, GtkButtonsType buttons, char *title, char *text)
 // {
 // 	GtkWidget *k;
-// 
+//
 // 	k = gtk_message_dialog_new(parent, GTK_DIALOG_MODAL, type, buttons, "%s", (gchar *) title);
 // 	if (text != NULL)
 // 		gtk_message_dialog_format_secondary_text((GtkMessageDialog *) k, "%s", (gchar *) text);
@@ -25,18 +25,18 @@ import "C"
 
 // dialog performs the bookkeeping involved for having a GtkDialog behave the way we want.
 type dialog struct {
-	parent		*Window
-	pwin			*C.GtkWindow
-	hadgroup		C.gboolean
-	prevgroup	*C.GtkWindowGroup
-	newgroup		*C.GtkWindowGroup
-	result		chan int
+	parent    *Window
+	pwin      *C.GtkWindow
+	hadgroup  C.gboolean
+	prevgroup *C.GtkWindowGroup
+	newgroup  *C.GtkWindowGroup
+	result    chan int
 }
 
 func mkdialog(parent *Window) *dialog {
 	return &dialog{
-		parent:	parent,
-		result:	make(chan int),
+		parent: parent,
+		result: make(chan int),
 	}
 }
 
@@ -84,7 +84,7 @@ func (d *dialog) run(mk func() *C.GtkWidget) {
 func our_dialog_response_callback(box *C.GtkDialog, res C.gint, data C.gpointer) {
 	d := (*dialog)(unsafe.Pointer(data))
 	d.cleanup((*C.GtkWidget)(unsafe.Pointer(box)))
-	go d.send(res)		// send on another goroutine, like everything else
+	go d.send(res) // send on another goroutine, like everything else
 }
 
 var dialog_response_callback = C.GCallback(C.our_dialog_response_callback)
@@ -94,10 +94,10 @@ func (d *dialog) cleanup(box *C.GtkWidget) {
 	C.gtk_widget_destroy(box)
 	if d.parent != dialogWindow {
 		C.gtk_window_group_remove_window(d.newgroup, d.pwin)
-		C.g_object_unref(C.gpointer(unsafe.Pointer(d.newgroup)))		// free the group
+		C.g_object_unref(C.gpointer(unsafe.Pointer(d.newgroup))) // free the group
 		if d.prevgroup != nil {
 			C.gtk_window_group_add_window(d.prevgroup, d.pwin)
-		}		// otherwise it'll go back into the default group on its own
+		} // otherwise it'll go back into the default group on its own
 	}
 }
 
diff --git a/dialog_windows.go b/dialog_windows.go
index d863f13..c6da94b 100644
--- a/dialog_windows.go
+++ b/dialog_windows.go
@@ -22,26 +22,26 @@ func _msgBox(parent *Window, primarytext string, secondarytext string, uType uin
 	parenthwnd := _HWND(_NULL)
 	if parent != dialogWindow {
 		parenthwnd = parent.sysData.hwnd
-		uType |= _MB_APPLMODAL		// only for this window
+		uType |= _MB_APPLMODAL // only for this window
 	} else {
-		uType |= _MB_TASKMODAL		// make modal to every window in the program (they're all windows of the uitask, which is a single thread)
+		uType |= _MB_TASKMODAL // make modal to every window in the program (they're all windows of the uitask, which is a single thread)
 	}
 	retchan := make(chan int)
 	go func() {
 		ret := make(chan uiret)
 		defer close(ret)
 		uitask <- &uimsg{
-			call:		_messageBox,
-			p:		[]uintptr{
+			call: _messageBox,
+			p: []uintptr{
 				uintptr(parenthwnd),
 				utf16ToArg(ptext),
 				utf16ToArg(ptitle),
 				uintptr(uType),
 			},
-			ret:		ret,
+			ret: ret,
 		}
 		r := <-ret
-		if r.ret == 0 {		// failure
+		if r.ret == 0 { // failure
 			panic(fmt.Sprintf("error displaying message box to user: %v\nstyle: 0x%08X\ntitle: %q\ntext:\n%s", r.err, uType, os.Args[0], text))
 		}
 		retchan <- int(r.ret)
@@ -61,7 +61,7 @@ func (w *Window) msgBox(primarytext string, secondarytext string) (done chan str
 func (w *Window) msgBoxError(primarytext string, secondarytext string) (done chan struct{}) {
 	done = make(chan struct{})
 	go func() {
-		<-_msgBox(w, primarytext, secondarytext, _MB_OK | _MB_ICONERROR)
+		<-_msgBox(w, primarytext, secondarytext, _MB_OK|_MB_ICONERROR)
 		done <- struct{}{}
 	}()
 	return done