Combining Tags
for building patterns
Case
(
)
Case
(
)
[
] {
}
When
[
]
then
{
}
...
...
[
] {
}
When
[
]
then
{
}
{
}
Otherwise
{
}
While and Repeat
(
) * {
}
While
(
)
do
* {
}
{
} * (
)
Repeat
{
} *
until
(
)