Simple and advanced view

Hi,
I upgraded from 1.2.0rc1 to 1.2.0final.
My problem is that for report, update and view I don't need the advanced
view. I Always used the simple view. 
Looks that in version 1.2.0 final the simple view is not available anymore
(it was in rc1, I never installed rc2). 
Also in the administration_guide.html
(http://docs.mantisbt.org/master/en/administration_guide.html) at the
chapter "User preferences I read that the user should be able to choose the
advance view/update/report but in my mantis, in the user preferences, there
aren't these options.
I tried to set the variables $g_show_report, $g_show_view and $g_show_update
to SIMPLE_ONLY but it has no effect.
Is there a way to go back to the simple report/update/view?

Thank you
Massimo


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