https://github.com/potherca-blog/StackOverflow/blob/master/question.13808020.include-an-svg-hosted-on-github-in-markdown/readme.md
The purpose of raw.github.com
is to allow users to view the contents of a file, so for text based files (SVG, JS, CSS, etc) this means you get the wrong headers and things break in the browser.