legalAttrs = {'NaN': <Ft.Xml.Xslt.AttributeInfo.String instance>, 'decimal-separator': <Ft.Xml.Xslt.AttributeInfo.Char instance>, 'digit': <Ft.Xml.Xslt.AttributeInfo.Char instance>, 'grouping-separator': <Ft.Xml.Xslt.AttributeInfo.Char instance>, 'infinity': <Ft.Xml.Xslt.AttributeInfo.String instance>, 'minus-sign': <Ft.Xml.Xslt.AttributeInfo.Char instance>, 'name': <Ft.Xml.Xslt.AttributeInfo.QName instance>, 'pattern-separator': <Ft.Xml.Xslt.AttributeInfo.Char instance>, 'per-mille': <Ft.Xml.Xslt.AttributeInfo.Char instance>, 'percent': <Ft.Xml.Xslt.AttributeInfo.Char instance>, ...}