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Subject: [wsbpel] Issue 250 - Proposal for Vote
CURRENT TEXT ON EXTENSION ACTIVITY IN SECTION 10: If the element contained within the extensionActivity element is not recognized by the BPEL processor and is not subject to a mustUnderstand="yes" requirement from an extension declaration then the unknown activity MUST be treated as if it were an empty activity. In all cases however any standard-attributes or standard-elements used on the contained activity MUST be treated as defined by this specification. INSERT AS BEFORE TO LAST SENTENCE (between 'empty activty' and 'in all cases'): In such a case (where the <extensionActivity> is treated as <empty>) all enclosed artifacts, including links, in the <extensionActivity> are not visible to a processor that does not understand the extension. To avoid dangling links in these situations, the following restriction must be met. If a link crosses the boundary of an <extensionActivity>, then the element contained within the <extensionActivity> MUST be subject to mustUnderstand="yes". Implementers note: This can be detected if a processor that does not understand certain extensionActivities replaces them with <empty> activities *before* doing static validation.
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