On Wikimedia Commons we love wrapping metadata in all sorts of templates.

This may be for many reasons:

• i18n purposes, like {{Technique|oil on canvas}} which outputs “Huile sur toile” in French
• language labelling, like |description = {{fr|<description>}}
• linking purposes, like |references={{Augustins online|<ACCESSION NUMBER>}} (to link to an authoritative database based on the identifier)

The GWToolset mapping process should allow to specify a template to wrap the metadata field with.

This can become fairly complex, for example with the template {{Size}} where one might want to do stuff like
{{Size|unit=<UNIT>|width={{{LARGEUR|}}}|height={{{HAUTEUR|}}}|depth={{{PROFONDEUR|}}}|diameter={{{DIAMETRE|}}}}}>

with UNIT, HAUTEUR, PROFONDEUR and DIAMETRE being distincts metadata fields.

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