IE 11.0.18 Crashes freaquently

[GoogleCodeExporter]

What steps will reproduce the problem?
1. Draw something on editor.
2. Click on Export from SVG-Edit menu (Top left corner)
3. Click ok from the popup to export. This process will crash the browser.

As per our code review, this is happening due to getSvgString() function from 
svgCanvas.js


In what browser did you experience this problem? This issue is specifically 
happen in IE 11 version(11.0.18).


In what version of SVG-edit does the problem occur? (Latest trunk, 2.7.1,
etc)


Thanks for your help in advance.

Original issue reported on code.google.com by [email protected] on 18 Apr 2015 at 11:06