This file is indexed.

/usr/share/doc/gpiv-mpi/README.Debian is in gpiv-mpi 0.6.1-2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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This is the gpiv ptogram with MPI enabled. It uses gpiv_rr from the 
gpivtools-mpi packages for image interrogation. Hence, the progress 
in the progress bar is not working, but the interrogation processing
can be monitored when gpiv is launched from the command line.

The Data Acquisition (DAC) feature, i.e. the triggering of light
sources (mostly Nd-YAGG lasers) with a camara and the recording of the
images has been disabled in the debian package for several reasons:

- The upstream package gpivtrig containing the triggering module has
not been debianized (yet).  

- The gpivtrig package uses the rtai package which has to be build 
in combination with a patched (linux) kernel and installed manually.


In order to include this feature do the following:

- install a (Linux) source package and rtai-source, unpack them, patch
the kernel and build the kernel, together with the rtai and gpivtrig
(from upstream source) modules.

- download the source of this package (for example with apt-get
source package-name). Add the line --enable-trig in debian/rules, build and
install this package.