Defining the div tag used to load the SVG in the xhtml-form (<div />, the browser misinterpret it (maybe because the document wasn't defined as xhtml) and overrides the HTML tags below the div.
Hiding all the optional layers from the SVG through JS. In this way, we avoid forcing anyone editing the SVG to take into account our own-convention of hiding (almost) all the layers before saving it.
Loading the SVG AFTER modifying it (not before)
Documenting how to run the project.