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Replace a workaround with a more semantic one. - In old implementation, it has not clear intention in the syntax. - I move the line doing real works into the try-except block to emphasize the intention of skipping scene nodes that is incomplete.
author Thinker K.F. Li <thinker@codemud.net>
date Sat, 15 Jan 2011 18:32:33 +0800
parents 3d40e74d5a9d
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