| ############################################################################### |
| # 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) 1995-2023 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 \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 |
| |
