Translations:TechDraw TemplateHowTo/31/en

From FreeCAD Documentation

3. Use the XML Editor to add a "freecad" namespace clause to the <svg> item.

xmlns:freecad="http://www.freecadweb.org/wiki/index.php?title=Svg_Namespace"

Note that your editable texts will not work if you use "https://...", even though the wiki is reached via https these days. Since SVG is a human readable format you could also enter the line above into the file with a text editor.

Inkscape: XML Editor adding the "freecad" namespace clause to the <svg> item