refs #21166 [finc] reflect changes in ISBN and ISSN indexing in search configuration

local/config/vufind/searchspecs.yaml

@@ -237,15 +237,23 @@ Author:
 ISN:
   DismaxFields:
     - isbn
+    - isbn_isn_mv
     - issn
+    - issn_isn_mv
     - ismn
   QueryFields:
     issn:
       - [and, 100]
       - [or, ~]
+    issn_isn_mv:
+      - [ and, 50 ]
+      - [ or, ~ ]
     isbn:
       - [and, 100]
       - [or, ~]
+    isbn_isn_mv:
+      - [and, 50]
+      - [or, ~]
     ismn:
       - [and, 100]
       - [or, ~]
@@ -490,7 +498,9 @@ AllFields:
     - allfields
     - fulltext
     - isbn
+    - isbn_isn_mv
     - issn
+    - issn_isn_mv
     - ismn
 
   QueryFields:
@@ -582,8 +592,12 @@ AllFields:
       - [or, 250]
     isbn:
       - [onephrase, 500]
+    isbn_isn_mv:
+      - [onephrase, 250]
     issn:
       - [onephrase, 500]
+    issn_isn_mv:
+      - [ onephrase, 250 ]
     ismn:
       - [onephrase, 500]
     imprint: