While publishing content from HTML5 Canvas doc containing symbols/shape with heavy vector art ,Flash seems to throw 'out of memory' javascript error.Check out this link for a possible fix to this problem
http://hemanthkumarr.wordpress.com/2013/12/11/how-to-avoid-out-of-memory-javascript-error- on-publishing-html5-canvas-doc-in-flash-pro-cc/
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