/usr/share/idzebra-2.0/tab/numeric.chr is in idzebra-2.0-common 2.0.59-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 | # Numeric character map
#
# Define the basic value-set. *Beware* of changing this without re-indexing
# your databases.
lowercase -{0-9}.,
uppercase -{0-9}.,
# Breaking characters
space {\001-\040}!"#$%&'\()*+/:;<=>?@\[\\]^_`\{|}~
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