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###############################################################################
# BRLTTY - A background process providing access to the console screen (when in
# text mode) for a blind person using a refreshable braille display.
#
# Copyright (C) 1995-2025 by The BRLTTY Developers.
#
# BRLTTY comes with ABSOLUTELY NO WARRANTY.
#
# This is free software, placed 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. Please see the file LICENSE-LGPL for details.
#
# Web Page: http://brltty.app/
#
# This software is maintained by Dave Mielke <dave@mielke.cc>.
###############################################################################
# This BRLTTY text subtable defines several useful character aliases
# ensure that space is defined
ifNotGlyph \s glyph \s 0
ifNotInput 0 input \s 0
# characters that represent a space
alias \xA0 \s # no-break space
alias \u2002 \s # en space
alias \u2003 \s # em space
alias \u2004 \s # three-per-em space
alias \u2005 \s # four-per-em space
alias \u2006 \s # six-per-em space
alias \u2007 \s # figure space
alias \u2008 \s # punctuation space
alias \u2009 \s # thin space
alias \u200A \s # hair space
alias \u200B \s # zero width space
alias \u202F \s # narrow no-break space
alias \u205F \s # medium mathematical space
ifGlyph -
# characters that represent a dash
alias \u2012 - # figure dash
alias \u2013 - # en dash
alias \u2014 - # em dash
alias \u2448 - # ocr dash
alias \u301C - # wave dash
alias \u3030 - # wavy dash
alias \uFE58 - # small em dash
# characters that represent a hyphen
alias \xAD - # soft hyphen
alias \u2010 - # hyphen
alias \u2011 - # non-breaking hyphen
# characters that represent a minus sign
alias \u2052 - # commercial minus sign
alias \u2212 - # minus sign
# characters that can represent either a hyphen or a minus sign
alias \uFE63 - # small hyphen-minus
alias \uFF0D - # fullwidth hyphen-minus
# other characters that can look like a dash
alias \u2015 - # horizontal bar
endIf
ifGlyph '
# characters commonly (mis)used to represent an apostrophe
alias \u2018 ' # left single quotation mark
alias \u2019 ' # right single quotation mark
endIf
# degree signs
ifGlyph C alias \u2103 C # degree Celsius
ifGlyph F alias \u2109 F # degree Fahrenheit
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