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--- 252:marcrevlogicchange [2018/12/26 19:41]
+++ 252:marcrevlogicchange [2021/12/29 16:21] (current)
@@ Line 1: / Line 1: @@
+====== MARC Review logic update ======
+In version 252 of MARC Report, we made a change to the logic of MARC Review. This change does __not__ impact MARC Global.
+This change only applies to patterns in MARC Review that specify only a Tag and a Tag Occurrence, and use the "Not" Rule.
+For example:
+{{:252:mrlogic.jpg|}}
+In the past (and possibly this was by design, since we have traced the issue back many years), this pattern would identify every 020 in a file except if it is the second occurrence of 020 in a record. Using the updated logic, this pattern will identify every record in a file that does not contain a second 020.
+__The new logic is enabled by default.__
+To revert to the old logic:
+. If the last number of your MARC Report 252 version is greater than 237, the logic described above can be reverted  using the MARC Review options form.
+Start MARC Review, and click on the 'Options' button. Uncheck last checkbox (on the 'General' options tab):
+{{:252:logicmodopt.jpg|}}
+. If the last number of your MARC Report 252 version is 237, use these steps:
+When MARC Report is not running, go to your MarcReport\Options folder, and open the file named myMarcGlobalOptions.cfg in a text editor. Go to the last line ('UserCustomizableOptionString=') and add the string 'occLogicMod:false' after the equals sign, so that you have:
+  UserCustomizableOptionString=occLogicMod:false
+Save the file.
+====== Impact of change on saved reviews ======
+Any saved reviews that uses the pattern specified above will be evaluated using the current option setting, regardless of when the review was created.
+Note that patterns that contain more attributes are not going to be affected. For example, a pattern like
+  Tag  020
+  Occ  2
+  Data pbk
+  Rule Not
+contains a string to match, in addition to the Tag and Occurrence, and thus won't be affected by this change in logic.
+In addition, any pattern used in a MARC Global review will not be affected.

252/marcrevlogicchange.txt · Last modified: 2021/12/29 16:21 (external edit)

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