This file is indexed.

/etc/refdb/refdbibrc.example is in refdb-clients 1.0.2-3.

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 an example configuration file for refdbib, the bibliography tool
# of RefDB
# RefDB is a reference database and bibliography tool, see
# http://refdb.sourceforge.net for further information

# Syntax rules of this file:
# 1. Each line contains a pair of variable name and variable value, 
#    separated by whitespace.
# 2. The hash (#) denotes the start of a comment, the rest of the line
#    will be ignored
# 3. The line ending must be Unix-style (LF) regardless of the operating
#    system

# The full path of a directory for shareable application files
refdblib /usr/share/refdb

# Either the IP address or the hostname of the computer that runs the
# application server refdbd. Use 127.0.0.1 if refdba and refdbd run
# on the same computer
serverip	127.0.0.1

# The port on which the application server refdbd listens
port	9734

# The default pager that is used to display the results. Use "stdout"
# to send the result to stdout
pager	less

# Toggle verbose mode on (t) or off (f)
#verbose	f

# The username for the database access authentication 
#username	jdoe

# The password for the database access authentication. Use an
# asterisk to let refdbib ask for the password interactively
# WARNING: some RefDB scripts call refdbib in a pipe. Asking for
# a password interactively won't work in this case. It is strongly
# preferred to set your password here
#passwd	<your_password>

# The default database
#defaultdb	foo

# The time in seconds which has to elapse before a stalled connection
# to the application server is taken down
#timeout 180

# Bibliography output type. Currently "db31", "db31x", "teix", and "bibtex"
# are available
outtype	db31

# The full path of a custom log file. This will be used if logdest is
# set accordingly
logfile /var/log/refdbib.log

# The destination of the log information. Uncomment *one* of the
# following definitions. "file" uses the file specified with the
# logfile variable
#logdest stderr
#logdest syslog
logdest file

# The priority up to which messages are logged. Uncomment *one* of the
# following definitions. "emerg" will result in the fewest, "debug" in
# the most log messages
#loglevel emerg
#loglevel alert
#loglevel crit
#loglevel err
#loglevel warning
#loglevel notice
loglevel info
#loglevel debug

# The full path of the directory that will receive the style specification
# files. In all but the weirdest case this should be "." as it directs
# the output to the present working directory that most likely
# contains the input files.
stylespecdir	.

# The character encoding that should be used for the bibliography output.
# Use an encoding that is supported by libiconv. See "man iconv_open" for
# a list of the available encodings on your system
#encoding UTF-8

# How to handle requested references that appear to be missing from the
# database. If this is set to 't', refdbib issues a warning. If this is
# set to 'f', refdbib issues an error, i.e. the return code is > 0
ignore_missing	f

# end of refdbibrc