Helper map for z-sort.

doc/zsort.svg

@@ -7,10 +7,11 @@
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    xmlns:svg="http://www.w3.org/2000/svg"
    xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
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-   width="490"
-   height="260"
+   width="640"
+   height="620"
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@@ -20,6 +21,32 @@
    inkscape:export-ydpi="90">
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@@ -67,7 +101,7 @@
         <dc:format>image/svg+xml</dc:format>
         <dc:type
            rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title></dc:title>
+        <dc:title />
       </cc:Work>
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@@ -75,7 +109,7 @@
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      inkscape:groupmode="layer"
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-     transform="translate(-42.058753,30.810945)">
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