dcurtis/markdown-mark — pull request #6 by jakov (2012-06-24 20:10:28+00:00)
Title: Added viewBox to make it resizeble in HTML

you can't just change width and height in HTML, because this would strech and scale the edges etc of the svg. With viewBox you can simply define either of the width or height (or both, but then it may strech) to quickly get results.