149 lines
4.8 KiB
Plaintext
149 lines
4.8 KiB
Plaintext
# liblouis: U.S. English 6 dot computer braille table
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#
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#-name: U.S. English Computer Braille Code (CBC)
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#-index-name: English, U.S., computer, 6-dot
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#-display-name: English 6-dot computer braille as used in the U.S.
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#
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#+locale: en-US
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#+type: computer
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#+dots: 6
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#+system: ebae
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# Marked as "direction:both" by Bue Vester-Andersen
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# as it is a computer Braille table.
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#+direction: both
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#
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# Computer Braille Code reference:
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# http://liblouis.org/braille-specs/english/#computer-braille-code-cbc
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#
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#-copyright: 2019, Timothy Wynn
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#-copyright: 2021, BAUM Engineering
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#-license: LGPLv2.1
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#
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# Copyright (C) 2019 Timothy Wynn <tmthywynn8@gmail.com>
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# Copyright (C) 2021, BAUM Engineering <liblouis@baum.ro>
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#
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# This file is part of liblouis.
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#
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# liblouis is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as
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# published by the Free Software Foundation, either version 2.1 of the
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# License, or (at your option) any later version.
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#
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# liblouis is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with liblouis. If not, see
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# <http://www.gnu.org/licenses/>.
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#
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# Notes:
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# * Print characters, braille dots, and meanings are defined according
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# to the "COMPUTER BRAILLE CODE SYMBOLS: ASCII ORDER" and the
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# "Additional Computer Braille Code Symbols" tables (pp. 53-62) of the
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# Computer Braille Code (CBC; 2000) manual.
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# * Character-Definition Opcodes were copied from en-us-comp8.ctb.
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# Irrelevant and/or predefined Character-Definition Opcodes were
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# disregarded as needed (e.g. letter and number Character-Definition
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# Opcodes as defined by latinLetterDef6Dots.uti and litdigits6Dots.uti).
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# * Major portions of the CBC manual have been disregarded due to
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# transcriber-specific decisions (i.e. unable to be automated).
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# * Rationale of decisions made were interpreted from the following
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# section(s) of the CBC manual:
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# 4.2 Shift Indicator
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# 4.3 Caps Lock Indicator
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# 8.1 Isolated Lower-Cell Signs
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# 10.1 Emphasis Indicators
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# 16.1 Termination Indicator#
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#
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# TODO:
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# * Compbrl opcode and its comp6 subset (used in EBAE tables):
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# 11.1 Computer Braille Code Indicators
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# * Nemeth (used in EBAE tables):
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# 12.0 Nemeth Code Indicators
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# * Superscript and subscript numbers (is it possible?:
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# 15.0 Half-Line Shifts
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# Character Definitions:
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include spaces.uti
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# Alphanumeric characters:
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include latinLetterDef6Dots.uti
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include loweredDigits6Dots.uti
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# Single-cell symbols:
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punctuation ! 2346 exclamation point
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punctuation " 5 quotation marks, double quotes
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sign # 3456 number sign, pound sign (weight)
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sign $ 1246 dollar sign
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sign % 146 percent sign
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sign & 12346 ampersand
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punctuation ' 3 apostrophe, single quote
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punctuation \x2019 3 # right single quotation mark
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punctuation \x00b4 3 # acute accent
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punctuation ( 12356 left parenthesis
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punctuation ) 23456 right parenthesis
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sign * 16 asterisk, multiplication sign
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math + 346 plus sign
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punctuation , 6 comma
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math - 36 hyphen, minus sign
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punctuation . 46 period, decimal point
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math / 34 slash, division sign
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punctuation : 156 colon
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punctuation ; 56 semicolon
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math < 126 less than
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math = 123456 equals
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math > 345 greater than
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punctuation ? 1456 question mark
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sign @ 4 at
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punctuation [ 246 left bracket
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sign \\ 1256 backslash
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punctuation ] 12456 right bracket
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sign ^ 45 up arrow/caret
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# Braille symbols with the 456 prefix:
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sign _ 456-456 underscore
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sign _ 456 unused except as prefix for forward and back-translation
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sign ` 456-4 grave accent
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punctuation { 456-246 left brace
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sign | 456-1256 vertical bar
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punctuation } 456-12456 right brace
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math ~ 456-45 tilde
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# Braille Indicators:
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capsletter 456 shift indicator
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begcapsword 456-345 caps lock indicator
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endcapsword 456-126 caps release indicator
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capsmodechars 0123456789!"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~ # if letters are separated by numbers, punctuation, etc.
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# Emphasis Indicators:
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emphclass italic
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begemph italic 456-16 begin emphasis
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endemph italic 456-34 end emphasis
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emphclass underline
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begemph underline 456-16 begin emphasis
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endemph underline 456-34 end emphasis
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emphclass bold
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begemph bold 456-16 begin emphasis
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endemph bold 456-34 end emphasis
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# Isolated Lower-Cell Signs:
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# Single-digit number:
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lowword 0 456-356 0
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lowword 1 456-2 1
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lowword 2 456-23 2
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lowword 3 456-25 3
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lowword 4 456-256 4
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lowword 5 456-26 5
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lowword 6 456-235 6
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lowword 7 456-2356 7
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lowword 8 456-236 8
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lowword 9 456-35 9
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# Quotation mark, apostrophe, comma, hyphen/minus sign, and semicolon:
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lowword " 456-5 quotation marks, double quotes
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lowword ' 456-3 apostrophe, single quote
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lowword , 456-6 comma
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lowword - 456-36 hyphen, minus sign
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lowword ; 456-56 semicolon
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