type |
Type |
::= |
y |
type variable |
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| |
() |
empty sequence |
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| |
Ø |
empty choice |
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| |
Wild |
Wildcard type |
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| |
Primitive |
Atomic data type |
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| |
@Name[Type] |
attribute with constant name and content in Type |
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| |
Name[Type] |
element with constant name and content in t |
|
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| |
@Wild[Type] |
attribute with name in Wild and content in
Type |
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| |
Wild[Type] |
element with name in Wild and content in t |
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| |
Type1 , Type2 |
sequence, Type1 followed by Type2 |
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|
| |
Type1 | Type2 |
choice, Type1 or Type2 |
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| |
Type1 & Type2 |
all group, Type1 and Type2 in either order |
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| |
Type {m, n} |
repetition of Type between m and n times |
bound |
m,n |
::= |
natural number or * |