The EXPAN attribute can be used to supply the full form of an abbreviated word for indexing or searching purposes. For names of people and organizations abbreviated in a finding aid because they occur so frequently, consider using the <persname> or <corpname> element and include a NORMAL attribute value to indicate the full name form.
See also related element Expansion <expan>.
|AUDIENCE||#IMPLIED, external, internal|
<note><p> <abbr expan="Autograph Letter Signed">ALS</abbr> </p></note>
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