<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE Map[]>
<Map>


<Style name="a" filter-mode="first">
  <Rule>
    <Filter>([y] = 'Y')</Filter>
    <LineSymbolizer stroke-linecap="round" stroke-width="2" />
  </Rule>
  <Rule>
    <Filter>([x] = 'X')</Filter>
    <LineSymbolizer stroke-linecap="round" />
  </Rule>
</Style>
<Layer name="a"
>
    <StyleName>a</StyleName>  </Layer>

</Map>
