gistfile1.xml

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE Map[]>
<Map srs="+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over" maximum-extent="-20037508.34,-20037508.34,20037508.34,20037508.34">

<Parameters>
  <Parameter name="bounds">-180,-85.05112877980659,180,85.05112877980659</Parameter>
  <Parameter name="center">0,0,2</Parameter>
  <Parameter name="format">png</Parameter>
  <Parameter name="minzoom">0</Parameter>
  <Parameter name="maxzoom">22</Parameter>
</Parameters>


<Style name="countries" filter-mode="first" >
  <Rule>
    <MarkersSymbolizer fill="#ff0000" width="20" placement="line" allow-overlap="true" />
  </Rule>
</Style>
<Layer name="countries"
  srs="+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over">
    <StyleName>countries</StyleName>
    <Datasource>
       <Parameter name="file"><![CDATA[/home/aj/Documents/MapBox/project/foo/layers/countries/82945364-10m-admin-0-countries.shp]]></Parameter>
       <Parameter name="type"><![CDATA[shape]]></Parameter>
       <Parameter name="id"><![CDATA[countries]]></Parameter>
       <Parameter name="project"><![CDATA[foo]]></Parameter>
       <Parameter name="srs"><![CDATA[+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over]]></Parameter>
    </Datasource>
  </Layer>

</Map>