<while>

  <while [ label="symbollabel" ] (expr|true|false)="exprcondition" >
    statement *
  </while>

A ``while´´ tag executes contained statements as long as condition expression evalutes to true (or false). See while statement.

Attributes:

label

Optional label for the use of break and continue statements.

expr

Condition expression.

true

Condition expression, same as expr.

false

Negated condition expression. I.e. statements are executed as long as the condition yields "false".

Note: conditions are mutually exclusive.

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