The easiest way to view SVG files is in a web browser that has native SVG support. Mozilla Firefox, Opera, Safari, Google Chrome, and Microsoft Internet Explorer (version 9 onwards) all have native SVG browser support.
The section "Necessary Viewer/Browser for the examples" at the bottom of http://www.carto.net/papers/svg/samples/ has information about SVG viewing software for various OS's.
"title"
element. When viewing SVG files created by
RSVGTipsDevice, an extra tooltip will pop up after a short wait. To
enable or disable tooltip popups in Opera, go to Tools > Preferences
> Advanced > Browsing and toggle the "Show tooltips" option. (see http://www.opera.com/support/search/view/714/)