# [ref_impl_eiffel] [478] Correct logic of building archetype directory tree to exclude specialisation orphans and output an error instead.

**Category:** [Reference Implementation: Eiffel (archive)](https://discourse.openehr.org/c/reference-implementation-eiffel-archive/161)
**Created:** 2008-01-29 03:08 UTC
**Views:** 1
**Replies:** 0
**URL:** https://discourse.openehr.org/t/ref-impl-eiffel-478-correct-logic-of-building-archetype-directory-tree-to-exclude-specialisation-orphans-and-output-an-error-instead/12761

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## Post #1 by @svn1

Revision: 478
Author:   thomas\.beale

Log Message:

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**Canonical:** https://discourse.openehr.org/t/ref-impl-eiffel-478-correct-logic-of-building-archetype-directory-tree-to-exclude-specialisation-orphans-and-output-an-error-instead/12761
**Original content:** https://discourse.openehr.org/t/ref-impl-eiffel-478-correct-logic-of-building-archetype-directory-tree-to-exclude-specialisation-orphans-and-output-an-error-instead/12761