ExpressionToSymbolicExpressionML

ExpressionToSymbolicExpressionML[expr]
converts expr to ExpressionML and returns the corresponding SymbolicXML.

To use ExpressionToSymbolicExpressionML, you first need to load the XML Package using Needs["XML`"].

"Annotations"

{"XMLDeclaration","DOCTYPEDeclaration","DocumentHeader"}

annotations to add to the output (acceptable values are combinations of "DocumentHeader", "XMLDeclaration", and "DOCTYPEDeclaration")

Needs["XML`"]