return WhiteSpaceCollapse.PRESERVE;
else if (FXG_WHITESPACE_COLLAPSE_VALUE.equals(value))
return WhiteSpaceCollapse.COLLAPSE;
//string did not match a known WhiteSpaceCollapse rule.
problems.add(new FXGUnknownAttributeValueProblem(((GraphicNode)node.getDocumentNode()).getDocumentPath(), node.getStartLine(),
node.getStartColumn(), FXG_WHITESPACECOLLAPSE_ATTRIBUTE, value));
return WhiteSpaceCollapse.PRESERVE;
}