Article:		Profiling XML Schema
Subject:		you sure yo haven't missed substitution groups
Date:		2006-09-22 11:20:30
From:		craigsalter
Good article. I've seen substitutionGroups used heavily in the OAGIS-8 schema. Is there a chance you missed these or did this project not make it into your data set?

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• you sure yo haven't missed substitution groups
  2006-09-22 12:07:17 xmlhelpline
  
  You are correct in that the 8.x version of OAGiS used substitutionGroups. I used the 9.0 version for my analysis, but made note of the fact that sGroups are used for extensibility. And in the data section at the end, I mention that their global element design was in part intended to accomodate later substitution via sGroups.