This file is indexed.

prerm is in libwxgtk2.8-dbg 2.8.12.1-6ubuntu2.

This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.

The actual contents of the file can be viewed below.

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#! /bin/sh
set -e

update-alternatives --remove wx-config /usr/lib/x86_64-linux-gnu/wx/config/gtk2-unicode-debug-2.8