# [ref_impl_eiffel] [337] AWB-13: When opening an ad hoc archetype, do not add it again if it is already in the reference, work or ad hoc repositories.

**Category:** [Reference Implementation: Eiffel (archive)](https://discourse.openehr.org/c/reference-implementation-eiffel-archive/161)
**Created:** 2007-08-09 14:56 UTC
**Views:** 1
**Replies:** 0
**URL:** https://discourse.openehr.org/t/ref-impl-eiffel-337-awb-13-when-opening-an-ad-hoc-archetype-do-not-add-it-again-if-it-is-already-in-the-reference-work-or-ad-hoc-repositories/12522

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## Post #1 by @svn1

Revision: 337
Author:   peter\.gummer

Log Message:

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**Canonical:** https://discourse.openehr.org/t/ref-impl-eiffel-337-awb-13-when-opening-an-ad-hoc-archetype-do-not-add-it-again-if-it-is-already-in-the-reference-work-or-ad-hoc-repositories/12522
**Original content:** https://discourse.openehr.org/t/ref-impl-eiffel-337-awb-13-when-opening-an-ad-hoc-archetype-do-not-add-it-again-if-it-is-already-in-the-reference-work-or-ad-hoc-repositories/12522