LP#1269911: Release notes for Composite Record Attributes

Signed-off-by: Mike Rylander <mrylander@gmail.com>
Signed-off-by: Dan Wells <dbw2@calvin.edu>

diff --git a/docs/RELEASE_NOTES_NEXT/OPAC/Composite_Record_Attributes.txt b/docs/RELEASE_NOTES_NEXT/OPAC/Composite_Record_Attributes.txt
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+Composite Record Attributes
+^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+With this feature we create an abstraction on top of the Record Attribute
+infrastructure to allow the aggregation of multiple, cross-Attribute values
+under a single search filter value, accessible through new, dynamic filters.
+
+Each QueryParser filter will be created by the addition of a Composite Record
+Attribute Definition. For instance, one may wish to create a Composite Record
+Attribute Definition for an abstract "Item Type" interface component that
+uses information from the item_type, vr_format, bib_level and item_form
+Record Attribute Definitions, with each Composite Record Attribute Value
+having a different combination of Record Attribute Values from some or all of
+these Record Attribute Definitions. In this way, as single interface
+component might be presented as a dropdown with options such as "All Books",
+"All video recordings", "DVDs", "VHS Tapes", "E-Books", "Audio Books" and
+"Large Print Books". Of particular note are the "DVDs" and "VHS Tapes"
+entries, which include information from Record Attribute Definitions
+completely separate from the others. Additionally, the Composite Record
+Attribute Values defined by this Composite Record Attribute Definition
+can be used to drive behavioral logic, such as alternate icon display or
+link generation, in upgrade-friendly template adjustments.
+
+Included in this development is a replacement for the single-attribute
+Format filter supplied for basic search.  Instead, a Composite Attribute
+is used to combine the values from Item Type, Item Form and Videorecording
+Format in various ways that provide a more patron-friendly set of choices.
+
+This new Format filter can be adjusted, or even replaced with a completely
+local one, through configuration and without template adjustment.
+