Tavmjong Bah authored Nov 29, 2011 and Tavmjong Bah committed Nov 29, 2011

This code adds the ability to check for every elment in an SVG document if its
attributes are valid and the styling properties are useful. Options under the
SVG Output section of the Inkscape Preferences dialog control what should
be checked when, and what actions should be taken if invalid attributes
or non-useful properties are found.

(bzr r10753)