ReleaseXMLParser[parser] frees up resources associated with the XMLParser object parser.

SymbolicExpressionMLToExpression[expr] takes a SymbolicXML expression expr that represents an ExpressionML document and returns the corresponding expression.

SymbolicMathMLToBoxes[smml] converts the MathML-flavored SymbolicXML structure, smml, into a Mathematica box expression.

SymbolicMathMLToExpression[smml] converts the MathML-flavored SymbolicXML structure, smml, into a Mathematica expression. The output is in the form of content MathML, ...

SymbolicXMLQ[expr] returns True if the expression expr matches some basic patterns for a SymbolicXML expression and False otherwise.SymbolicXMLQ[expr, True] performs a ...

Protect[s_1, s_2, ...] sets the attribute Protected for the symbols s_i. Protect["form_1", "form_2", ...] protects all symbols whose names match any of the string patterns ...

AcyclicQ[g] yields True if graph g is acyclic.

AddEdge[g, e] returns a graph g with the new edge e added. e can have the form {a, b} or the form {{a, b}, options}.

AddVertex[g] adds one disconnected vertex to graph g. AddVertex[g, v] adds to g a vertex with coordinates specified by v.

AlternatingGroupIndex[n, x] gives the cycle index of the alternating group of size n permutations as a polynomial in the symbols x[1], x[2], ..., x[n]}.