Clearing notebook cache from any old symbols

6.55 Clearing notebook cache from any old symbols

Sometimes I get the case that the notebook retain old deﬁnitions and symbols even after I deleted them from the notebook. This happened when I was using a Demonstration stylesheet and had an separate initilization cell, and had added SaveDefinitions->True in the Manipulate cell.

To make sure the notebook clears any old symbols, enter this command in the notebook once

SetOptions[EvaluationNotebook[], 
  PrivateNotebookOptions -> {"FileContents" -> {"NotebookData"}, 
   "FileOutlineCache" -> False}]

In addition, I change the preferences like this:

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