hello John Larmouth and Bancroft thank you for your answers, now I have understood it much more better. thanks.
กกกก ======= 2002-07-17 18:35:00 in your letter======= >Bancroft Scott wrote: > >> CHOICE itself does not have a tag. However, tags applied to CHOICE are >> *always* EXPLICIT, even if at the beginning of the module it says that the >> tag environment for the module is IMPLICIT. > >I bet some of you are saying "how confusing - its as bad as XSD!". The >idea was to avoid making it illegal to tag a CHOICE when you had set up >a tag environment of IMPLICIT tags. May or may not have been a good >decision (about 19866 vintage!) > >There is a tagging tutorial (with a test for you!) at: > >http://www.larmouth.demon.co.uk/tutorials/tagging/ > >if you want to try it! > >But you might find it easier to download: > >http://www.larmouth.demon.co.uk/tutorials/tagging.ppt > >with the same content. (Don't neglect the notes pages in the .ppt) > >John L = = = = = = = = = = = = = = = = = = = = tong [EMAIL PROTECTED] 2002-07-18