open filename.svg
just opens your svg file source in a text editor (and you wanted to see it visually), it appears possible to view them in a browser these days. file:///Users/my_username/.
full URL should have look like file:///Users/username/folder/folder/my_jstack.svg
Finder
and select 'open with' and select a browser.pprof.svg
. I was then able to 'open with' Chrome.xmlns
:<svg>
, macOS recognised my hand-written files as SVG images and displayed them as such.spacebar