Refined Text-only Item Templates

gistfile1.xml

<DataTemplate x:Key="TextItemTemplate">
    <TextBlock Text="{Binding Line1}"
               Style="{ThemeResource ListViewItemTextBlockStyle}"
               Margin="0,2,0,7" />
</DataTemplate>

<DataTemplate x:Key="TextPaddedItemTemplate">
    <TextBlock Text="{Binding Line1}"
               Style="{ThemeResource ListViewItemTextBlockStyle}"
               Margin="0,-3.5,0,30.5" />
</DataTemplate>

<DataTemplate x:Key="TextSingleDetailTemplate">
    <StackPanel Margin="0,8,0,21.5">
        <TextBlock Text="{Binding Line1}"
                   Style="{ThemeResource ListViewItemTextBlockStyle}"
                   TextLineBounds="Tight" />
        <TextBlock Text="{Binding Line2}"
                   Style="{ThemeResource ListViewItemContentTextBlockStyle}"
                   Foreground="{ThemeResource PhoneMidBrush}"
                   OpticalMarginAlignment="TrimSideBearings"
                   TextLineBounds="Tight"
                   TextTrimming="Clip"
                   TextWrapping="Wrap"
                   LineHeight="17.5"
                   LineStackingStrategy="BaselineToBaseline"
                   MaxLines="2"
                   Margin="0,9,0,0" />
    </StackPanel>
</DataTemplate>

<DataTemplate x:Key="TextDoubleDetailTemplate">
    <StackPanel Margin="0,11,0,17.5">
        <TextBlock Text="{Binding Line1}"
                   Style="{ThemeResource ListViewItemTextBlockStyle}"
                   TextLineBounds="Tight" />
        <TextBlock Text="{Binding Line2}"
                   Style="{ThemeResource ListViewItemContentTextBlockStyle}"
                   LineStackingStrategy="BaselineToBaseline"
                   OpticalMarginAlignment="TrimSideBearings"
                   TextLineBounds="Tight"
                   FontWeight="SemiBold"
                   Margin="0,9.5,0,0" />
        <TextBlock Text="{Binding Line3}"
                   Style="{ThemeResource ListViewItemContentTextBlockStyle}"
                   Foreground="{ThemeResource PhoneMidBrush}"
                   LineStackingStrategy="BaselineToBaseline"
                   OpticalMarginAlignment="TrimSideBearings"
                   TextLineBounds="Tight"
                   Margin="0,7,0,0" />
    </StackPanel>
</DataTemplate>