Update extracted files

extracted-files/tags/HEAD

@@ -22,9 +22,16 @@ specification:
       details.
     - `SOUR` describes the originating software.
       - `CORP` describes the corporation creating the software.
-      - `HEAD`.`SOUR`.`DATA` describes a larger database this data is extracted
-        from.
+      - `HEAD`.`SOUR`.`DATA` describes a larger database, electronic data source,
+        or digital repository this data is extracted from.
     - `LANG` and `PLAC` give a default value for the rest of the document.
+
+    <div class="deprecation">
+
+    `HEAD`.`SOUR`.`DATA` is now deprecated and applications should use
+    `HEAD`.`SOUR`.`NAME` instead.
+
+    </div>
 
 label: 'Header'
 

extracted-files/tags/HEAD-SOUR-DATA

@@ -10,9 +10,10 @@ standard tag: DATA
 
 specification:
   - Data
-  - The electronic data source or digital repository from which this dataset was
-    exported. The payload is the name of that source, with substructures providing
-    additional details about the source (not the export).
+  - The database, electronic data source, or digital repository from which this
+    dataset was exported. The payload is the name of the database, electronic data
+    source, or digital repository, with substructures providing additional details
+    about it (not about the export).
 
 label: 'Data'
 

extracted-files/tags/PLAC

@@ -41,6 +41,12 @@ specification:
       defined in this specification beyond being names of jurisdictions of some
       kind, ordered from smallest to largest.
 
+      <div class="note">
+        Some applications and users have defaulted to assuming a `FORM` of "City, County, State, Country",
+        and some applications even ignore any `FORM` substructures and treat payloads with a smaller number of
+        elements as if they had additional blank elements at the end.
+        </div>
+
       Elements should be left blank if they are unknown, do not apply to the
       location, or are too specific for the region in question.