> 1) What type of data are you currently putting in the top-level <extension> element?
We use the <extension> element for local holdings info and for non-roman
data. If a MARC record contains 880 fields, then we create a second
<mods> element using the 880s and stick it in <extension>. You can
see an example here:
> 2) Do you have specific cases in which it would be helpful to you to have <extension> inside a specific MODS element rather than at the top level to convey additional semantics?
> 3) Have you made changes to the MODS schema locally to allow for additional elements not in the MODS schema?
Ashley Sanders [log in to unmask]
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