Does not work because namespace URIs are in entities, so
Inkscape does not recognize the namespaces it needs:
michigan_line_drawing.svg:18: parser warning : xmlns: URI
&ns_svg; is not absolute xmlns="&ns_svg;" xmlns:xlink="&ns_xlink;"
xmlns:a="http://ns.adobe.com/AdobeSV ^
michigan_line_drawing.svg:22: parser warning : xmlns: URI
&ns_vars; is not absolute <variableSets xmlns="&ns_vars;"> ^
michigan_line_drawing.svg:25: parser warning : xmlns: URI
&ns_custom; is not absolute <v:sampleDataSets
xmlns="&ns_custom;" xmlns:v="&ns_vars;"></v:sampleDataSet
^
michigan_line_drawing.svg:28: parser warning : xmlns: URI
&ns_sfw; is not absolute <sfw xmlns="&ns_sfw;"> ^
Does not work because namespace URIs are in entities, so
Inkscape does not recognize the namespaces it needs:
michigan_ line_drawing. svg:18: parser warning : xmlns: URI
xmlns= "&ns_svg; " xmlns:xlink= "&ns_xlink; " ns.adobe. com/AdobeSV
^ line_drawing. svg:22: parser warning : xmlns: URI
<variableSets xmlns="&ns_vars;">
^ line_drawing. svg:25: parser warning : xmlns: URI
<v: sampleDataSets "&ns_vars; "></v:sampleDat aSet
&ns_svg; is not absolute
xmlns:a="http://
michigan_
&ns_vars; is not absolute
michigan_
&ns_custom; is not absolute
xmlns="&ns_custom;" xmlns:v=
^ line_drawing. svg:28: parser warning : xmlns: URI
<sfw xmlns="&ns_sfw;">
^
michigan_
&ns_sfw; is not absolute