canviz.js: New Entity.getAttr() method. If a node, edge or graph doesn't have the given attribute, getAttr looks at the appropriate default values in the parent graphs and returns the attribute from there if found.
canviz.js: New Entity.getAttr() method. If a node, edge or graph doesn't have the given attribute, getAttr looks at the appropriate default values in the parent graphs and returns the attribute from there if found.


git-svn-id: d236aa11b63010c45751038f21095274a1190d52@191 96afbf3d-d051-0410-af9b-0f47d9322047

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