Premise for post; questioneer is scrambling to understand SVG
A) An SVG image on a HTML page can both be written in XML-code only
B) or be a readymade image that is linked to
From B) I have tried to download my Home-icon.svg image in order to open it via Inkscapes XML-editor.
This didn’t work which is really a big surprise for me: in order to be sure of functionaity, the file is downloaded from here where it works perfectly on already ???:
Now I have tried to download this, that works within all ref’s from approach at bottom [SOLVED and thx I guess]:
So yes an SVG is always an XML structure, either saved and loaded from a file or appended directly in HTML under the element.
The first url you post (the Wikipedia one) is directing to the HTML landing page of the Wikipedia file. If you press Original file you will get the raw .svg file which you can load in your app: