pattern,pattern —
pattern,pattern
pattern
pattern
(“,”pattern
)+
(pattern)
, attribute
,
datatypeName param exceptPattern
,
element
, list
,
mixed
, pattern&pattern
,
pattern*
, pattern+
,
pattern,pattern
, pattern?
,
pattern|pattern
The group
pattern defines an ordered group of
subpatterns (note that when attribute
patterns are
included in such a group, their order can’t be
guaranteed). Any number of patterns may be combined through the
, operator using this construct; however different
operators (,|
&
)
can’t be mixed at the same level.
18.118.99.6