| 摘要 |
A web server is described having a control arrangement comprising a state machine that is arranged to process an event initiated at a browser to transition from one state to another and a mechanism for generating, in response to entry of the states, corresponding web pages for transmission to the browser. The state machine comprises at least one superstate that comprises first and second states, the first state being selected by default on entry to the superstate, and at least one transition is defined from the superstate to the second state, the transition being associated with an action that provides to the browser information that is not destined to viewed in the browser. A web page generated in response to entry of the first state includes at least a link corresponding to the transition and the arrangement is such that entry into the second state does not result in the generation of a web page for transmission to the browser.
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