# [ref_impl_eiffel] [838] Correct errors in ARCHETYPE_FLATTENER.expand_definition_use_nodes which resulting in failure to clone subtrees due to differential paths (routine worked originally with fully structured archetypes).

**Category:** [Reference Implementation: Eiffel (archive)](https://discourse.openehr.org/c/reference-implementation-eiffel-archive/161)
**Created:** 2009-03-09 22:27 UTC
**Views:** 1
**Replies:** 0
**URL:** https://discourse.openehr.org/t/ref-impl-eiffel-838-correct-errors-in-archetype-flattener-expand-definition-use-nodes-which-resulting-in-failure-to-clone-subtrees-due-to-differential-paths-routine-worked-originally-with-fully-structured-archetypes/13232

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## Post #1 by @svn1

Revision: 838
Author:   thomas\.beale

Log Message:

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**Canonical:** https://discourse.openehr.org/t/ref-impl-eiffel-838-correct-errors-in-archetype-flattener-expand-definition-use-nodes-which-resulting-in-failure-to-clone-subtrees-due-to-differential-paths-routine-worked-originally-with-fully-structured-archetypes/13232
**Original content:** https://discourse.openehr.org/t/ref-impl-eiffel-838-correct-errors-in-archetype-flattener-expand-definition-use-nodes-which-resulting-in-failure-to-clone-subtrees-due-to-differential-paths-routine-worked-originally-with-fully-structured-archetypes/13232