diff --git a/redo/test/page4.c b/redo/test/page4.c
index 02c91652..e882b15d 100644
--- a/redo/test/page4.c
+++ b/redo/test/page4.c
@@ -28,8 +28,9 @@ SETTOO(Spinbox, High, 80)
 SETTOO(Slider, Low, -80)
 SETTOO(Slider, High, 80)
 
-uiCombobox *cbox;
-uiRadioButtons *rb;
+static uiCombobox *cbox;
+static uiCombobox *editable;
+static uiRadioButtons *rb;
 
 uiBox *makePage4(void)
 {
@@ -84,6 +85,12 @@ uiBox *makePage4(void)
 	uiComboboxAppend(cbox, "Item 3");
 	uiBoxAppend(page4, uiControl(cbox), 0);
 
+	editable = uiNewEditableCombobox();
+	uiComboboxAppend(editable, "Editable Item 1");
+	uiComboboxAppend(editable, "Editable Item 2");
+	uiComboboxAppend(editable, "Editable Item 3");
+	uiBoxAppend(page4, uiControl(editable), 0);
+
 	rb = uiNewRadioButtons();
 	uiRadioButtonsAppend(rb, "Item 1");
 	uiRadioButtonsAppend(rb, "Item 2");
diff --git a/redo/ui.idl b/redo/ui.idl
index e59f3641..dfb07cbf 100644
--- a/redo/ui.idl
+++ b/redo/ui.idl
@@ -174,6 +174,7 @@ interface Combobox from Control {
 	func Append(text *const char);
 };
 func NewCombobox(void) *Combobox;
+func NewEditableCombobox(void) *Combobox;
 
 interface RadioButtons from Control {
 	func Append(text *const char);
diff --git a/redo/windows/combobox.c b/redo/windows/combobox.c
index cce674eb..31ed8668 100644
--- a/redo/windows/combobox.c
+++ b/redo/windows/combobox.c
@@ -38,7 +38,7 @@ static void comboboxAppend(uiCombobox *cc, const char *text)
 	uiFree(wtext);
 }
 
-uiCombobox *uiNewCombobox(void)
+static uiCombobox *finishNewCombobox(DWORD style)
 {
 	struct combobox *c;
 	uiWindowsMakeControlParams p;
@@ -49,7 +49,7 @@ uiCombobox *uiNewCombobox(void)
 	p.dwExStyle = WS_EX_CLIENTEDGE;
 	p.lpClassName = L"combobox";
 	p.lpWindowName = L"";
-	p.dwStyle = CBS_DROPDOWNLIST | WS_TABSTOP;
+	p.dwStyle = style | WS_TABSTOP;
 	p.hInstance = hInstance;
 	p.lpParam = NULL;
 	p.useStandardControlFont = TRUE;
@@ -65,3 +65,13 @@ uiCombobox *uiNewCombobox(void)
 
 	return uiCombobox(c);
 }
+
+uiCombobox *uiNewCombobox(void)
+{
+	return finishNewCombobox(CBS_DROPDOWNLIST);
+}
+
+uiCombobox *uiNewEditableCombobox(void)
+{
+	return finishNewCombobox(CBS_DROPDOWN);
+}