The second line:
<Page DynamicData="/GameData.Target.Window" DynamicDataFilter="0000" eq2usescomwndcontrols="true" Location="383,143" Name="Target" PackLocation="fixed,fixed" RStyleDefault="/rectlist.chat_bubble_frame" ScrollExtent="477,42" Size="477,42" OnHide="visible=true show_window=(MainHud.Target) show_window=(MainHud.Target)" UserMovable="true">
Try replacing with:
<Page eq2usescomwndcontrols="true" Location="383,143" Name="Target" ScrollExtent="477,42" Size="477,42" OnHide="visible=true" UserMovable="true">
(In addition to what Taco-man suggested.)