Font size mystery: why are two fields drawn using different font size?

Question

Hi, in my Android program I am trying to draw a table. For some odd reason the first field per row is drawn using a smaller font size then the other columns. I boiled this down to the below example which one can easily copy into a layout file and then preview it in the Eclipse Android layout editor.

Does anyone have an idea, WHY the first field is using a different font size? IMHO I don't do anything in that layout to trigger this.

Any ideas or hints welcome! What would I have to add to make all cells using the same font size?

Michael

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical"
    android:paddingLeft="1dip"
    android:paddingRight="1dip"
    android:paddingBottom="1dip"
    android:background="#00F"
    >
    <ScrollView
        android:id="@+id/ScrollView01"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:scrollbars="vertical"
        >
        <HorizontalScrollView
            android:id="@+id/HorizontalScrollView01"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:scrollbars="horizontal"
            >
            <TableLayout
                android:id="@+id/ItemPane"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:background="#FF0"
            >
                <TableRow
                    android:id="@+id/HeaderRow"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"    
                    android:background="#0F0"
                >
                    <TextView
                        android:id="@+id/NameField1"
                        android:text="First field"
                        android:layout_margin="2dp" 
                        android:background="#FFF"
                        android:textColor="#000"
                    />
                    <EditText
                        android:id="@+id/DataField11"
                        android:text="some field"
                        android:layout_margin="2dp" 
                        android:background="#FFF"
                        android:textColor="#000"
                    />
                    <EditText
                        android:id="@+id/DataField11"
                        android:text="another field"
                        android:layout_margin="2dp" 
                        android:background="#FFF"
                        android:textColor="#000"
                    />
                </TableRow>         
            </TableLayout>
        </HorizontalScrollView>
    </ScrollView>
</LinearLayout>