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2.5.2.3, Interaction Syntax, exchange element. In 2.5.2.3, the illustration of "align" attribute is (in addition to be repetitive in a non-enlightening way) not clear. Concrete description based on shared variables (as above) may clarify, in addition to taking off repetition.
agreed on con call 15-feb-05: editorial
I added the bold text to the first paragraph that discussed the align attribute. I thought that the repetition discussed in the issue was necessary since this section discusses the semantics of alignment for 2 distinct cases. The OPTIONAL align attribute when set to "true" means that this Alignment Interaction results in the common understanding of both the information exchanged and the resulting observable information creations or changes at the ends of the Interaction as specified in the fromRole and the toRole. <b>In other words, after each action, the other party through appropriate variables immediately shares the state; so that both act on the basis of shared understanding.</b> The default for this attribute is "false".
group notification of status change: http://lists.w3.org/Archives/Member/member- ws-chor/2005Jul/0004.html
no comments from group so closed confirmed: http://lists.w3.org/Archives/Member/member-ws-chor/2005Jul/0004.html