This patch does the following changes:
1) Explain how to handle exceptions in dialog and control event handlers (both in Python and Basic)
2) Document the new SetPageManager method
3) Plus a few minor fixes in the text
Change-Id: I4f7b3bfae025b45214b90dd036ecdbf4977d47e9
Reviewed-on: https://gerrit.libreoffice.org/c/help/+/144018
Tested-by: Jenkins
Reviewed-by: Jean-Pierre Ledure <jp@ledure.be>
cd924ae6a0