# XML
elem_a="<a></a>"
elem_b="<b></b>"
elem_c="<c></c>"
elem_d="<d></d>"
elem_empty="<a/>"
elem_ns_a="<a:a xmlns:a='a'></a:a>"
elem_ns_b="<b:b xmlns:b='b'></b:b>"
attr_a=" a='a'"
attr_b=" b='b'"
ns_decl=" xmlns:a='a'"
ns_default=" xmlns='a'"
ns_prefix_a="a:"
ns_prefix_b="b:"
cdata_section="<![CDATA[ ]]>"
comment="<!-- -->"
pi="<?a?>"
# XPath
axis_ancestor="ancestor::"
axis_ancestor_or_self="ancestor-or-self::"
axis_attribute="attribute::"
axis_attribute_abbrev="@"
axis_child="child::"
axis_descendant="descendant::"
axis_descendant_or_self="descendant-or-self::"
axis_following="following::"
axis_following_sibling="following-sibling::"
axis_namespace="namespace::"
axis_parent="parent::"
axis_preceding="preceding::"
axis_preceding_siblings="preceding-sibling::"
axis_self="self::"
node_test_ns="a:"
val_num="=(1.0)"
val_str_sq="=('a')"
val_str_dq="=(\"a\")"
val_node_set="=(*)"
val_elem="=(b)"
step_root="/"
step_descendant="//"
step_any="//*"
step_any_l="*//"
step_elem="//b"
step_ns_elem="//a:a"
step_comment="//comment()"
step_node="//node()"
step_node_l="node()//"
step_pi="//processing-instruction()"
step_text="//text()"
step_parent="../"
op_plus="+1"
op_minus=" - 1"
op_neg="-"
op_mul="*1"
op_div=" div 1"
op_mod=" mod 1"
op_and=" and 1"
op_or=" or 1"
op_ne="!=1"
op_lt="<1"
op_gt=">1"
op_le="<=1"
op_ge=">=1"
op_predicate_num="[1]"
op_predicate_last="[last()]"
op_predicate_str="['a']"
op_predicate="[1=1]"
op_arg_num=",1"
op_arg_str=",'a'"
op_arg_node=",*"
op_union="|//b"
var_num="=$f"
var_bool="=$b"
var_str="=$s"
var_node_set="=$n"
# Unicode
utf8_2="\xC3\x84"
utf8_3="\xE2\x80\x9C"
utf8_4="\xF0\x9F\x98\x80"
