drobilla@leibniz ~/src/lv2/build/doc/xml
$ ./test.py group__atom.xml
struct LV2_Atom
    The header of an atom:Atom.
    uint32_t size Size in bytes, not including type and size.
    uint32_t type Type of this atom (mapped URI).
struct LV2_Atom_Int
    An atom:Int or atom:Bool.
    LV2_Atom atom Atom header.
    int32_t body Integer value.
struct LV2_Atom_Long
    An atom:Long.
    LV2_Atom atom Atom header.
    int64_t body Integer value.
struct LV2_Atom_Float
    An atom:Float.
    LV2_Atom atom Atom header.
    float body Floating point value.
struct LV2_Atom_Double
    An atom:Double.
    LV2_Atom atom Atom header.
    double body Floating point value.
struct LV2_Atom_URID
    An atom:URID.
    LV2_Atom atom Atom header.
    uint32_t body URID.
struct LV2_Atom_String
    An atom:String.
    LV2_Atom atom Atom header.
struct LV2_Atom_Literal_Body
    The body of an atom:Literal.
    uint32_t datatype Datatype URID.
    uint32_t lang Language URID.
struct LV2_Atom_Literal
    An atom:Literal.
    LV2_Atom atom Atom header.
    LV2_Atom_Literal_Body body Body.
struct LV2_Atom_Tuple
    An atom:Tuple.
    LV2_Atom atom Atom header.
struct LV2_Atom_Vector_Body
    The body of an atom:Vector.
    uint32_t child_size The size of each element in the vector.
    uint32_t child_type The type of each element in the vector.
struct LV2_Atom_Vector
    An atom:Vector.
    LV2_Atom atom Atom header.
    LV2_Atom_Vector_Body body Body.
struct LV2_Atom_Property_Body
    The body of an atom:Property (e.g.
    uint32_t key Key (predicate) (mapped URI).
    uint32_t context Context URID (may be, and generally is, 0).
    LV2_Atom value Value atom header.
struct LV2_Atom_Property
    An atom:Property.
    LV2_Atom atom Atom header.
    LV2_Atom_Property_Body body Body.
struct LV2_Atom_Object_Body
    The body of an atom:Object.
    uint32_t id URID, or 0 for blank.
    uint32_t otype Type URID (same as rdf:type, for fast dispatch).
struct LV2_Atom_Object
    An atom:Object.
    LV2_Atom atom Atom header.
    LV2_Atom_Object_Body body Body.
struct LV2_Atom_Event
    The header of an atom:Event.
    union LV2_Atom_Event::@0 time Time stamp.
    LV2_Atom body Event body atom header.
struct LV2_Atom_Sequence_Body
    The body of an atom:Sequence (a sequence of events).
    uint32_t unit URID of unit of event time stamps.
    uint32_t pad Currently unused.
struct LV2_Atom_Sequence
    An atom:Sequence.
    LV2_Atom atom Atom header.
    LV2_Atom_Sequence_Body body Body.