/usr/share/liblouis/tables/en-us-brf.dis is in liblouis-data 3.5.0-1ubuntu0.3.
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 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 | # liblouis: en-us-brf.dis
# Based on the Linux screenreader BRLTTY, copyright (C) 1999-2006 by
# The BRLTTY Team
#
# Copyright (C) 2004-2006 ViewPlus Technologies, Inc. www.viewplus.com
# Copyright (C) 2004-2006 JJB Software, Inc. www.jjb-software.com
#
# This file is part of liblouis.
#
# liblouis is free software: you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation, either version 2.1 of the
# License, or (at your option) any later version.
#
# liblouis is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with liblouis. If not, see
# <http://www.gnu.org/licenses/>.
#
# Display table for working with 6-dot BRF files.
#
# This representation form is known as Braille ASCII, or more formally,
# The North American Braille ASCII Code.
#
# Note: Braille ASCII only defines 64 dot combinations consisting of dots 1-6,
# thus this table DOES NOT map combinations with dots 7 and/or 8 to any
# particular output characters.
#
# If your device supports 8-dot braille, or you want to convert a lowercase
# braille file, you may want to use text_nabcc.dis table instead of this one.
#
# For more information, refer to https://en.wikipedia.org/wiki/Braille_ASCII
display \s 0
display A 1
display B 12
display C 14
display D 145
display E 15
display F 124
display G 1245
display H 125
display I 24
display J 245
display K 13
display L 123
display M 134
display N 1345
display O 135
display P 1234
display Q 12345
display R 1235
display S 234
display T 2345
display U 136
display V 1236
display W 2456
display X 1346
display Y 13456
display Z 1356
display 0 356
display 1 2
display 2 23
display 3 25
display 4 256
display 5 26
display 6 235
display 7 2356
display 8 236
display 9 35
display ' 3
display @ 4
display " 5
display , 6
display * 16
display / 34
display - 36
display ^ 45
display . 46
display ; 56
display < 126
display % 146
display : 156
display [ 246
display > 345
display + 346
display _ 456
display $ 1246
display \\ 1256
display ? 1456
display ! 2346
display # 3456
display & 12346
display ( 12356
display ] 12456
display ) 23456
display = 123456
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