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+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% braille.sty
+%
+% William Park <opengeometry@yahoo.ca>
+% September 1998, April 1999
+%
+% Major additions made by Dominique Unruh <dominique@unruh.de>
+% March 2001, October 2001
+% - braille yields error, if invalid points are used in \braillbox
+% - Option compact causes loading of \braille and tables to be ommitted
+% (saves memory)
+% - Option 8dots enables 8-dot braille
+% - Option mirror mirrors.
+% - Options useemptybox, puttinydots, 8dots, mirror can be switched on and off
+% inside the document via \ifbraille...true and \ifbraille...false
+% - Documentation in the header of braille.sty updated to reflect above
+% changes
+% - \braille{} command
+% - compatible with e-LaTeX's r2l mode.
+%
+%
+% This package defines macros, commands, and fonts to typeset 6- or
+% 8-dot braille symbols for the blinds. Both Grade 1 and 2 Braille are
+% supported. All 189 Grade 2 contractions are defined; however, some
+% puctuation symbols are missing, simply because I couldn't find them.
+%
+% Normally,
+% \usepackage{braille}
+% is sufficient. The command \braille{} takes braille "text" which is
+% made up of single character or string enclosed in {}. It converts
+% "text" arguments into braille tags and calls predefined TeX macros to
+% print out the braille symbols. For example,
+% \usepackage{braille}
+% \braille{I {like} {com}put{er}}
+% will print braille symbols for
+% 'I', 'like', 'com', 'p', 'u', 't', 'er'
+% along with the 2 spaces.
+%
+% In the argument, whitespaces are processed by TeX in the usual manner.
+% Multiple whitespaces (' ', '\t', '\n') collapse to single space. If
+% extra spacing is needed, then it must come from outside of \braille{}.
+%
+% Examples:
+% \braille{September {Number}1998}
+% \braille{I run L{in}ux Slackw{ar}e {Number}3.3}
+% \braille{{Capital}{this} is LaTeX package {for} {braille} {ou}tput.}
+% \braille{I {also} wrote Py{th}on script {for} {con}v{er}t{ing}
+% text {to}{braille}.}
+%
+% Therefore, you can type braille paragraph just as you would type
+% normal text paragraph. To print single character, type that
+% character. To print multi-character contraction, type that string
+% enclosed in {}.
+%
+% Note that the \braille command assumes English text. Other languages have
+% other abbreviations.
+%
+% The package is used as
+% \usepackage[puttinydots,useemptybox,compact,8dots]{braille}
+% where
+% puttinydots -- puts {\tiny.} at all dot positions for visual check
+% useemptybox -- uses empty braille box instead of \hskip
+% compact -- load only command \braillebox, not \braille (saves
+% memory)
+% 8dots -- display 8-dot braille (not used by \braille)
+% mirror -- mirrors each braille box (for "printing" braille by hand
+% with a needle, use e-LaTeX to get right-to-left
+% writing).
+% You may activate or deactive inside the document
+% puttinydots by \brailleputtinydotstrue resp. \brailleputtinydotsfalse
+% useemptybox by \brailleuseemptyboxtrue resp. \brailleuseemptyboxfalse
+% 8dots by \brailleeightdotstrue resp. \brailleeightdotsfalse
+% mirror by \braillemirrortrue resp. \braillemirrorfalse
+%
+% Four macros are available to the user:
+% \braillebox{} -- LaTeX picture box used as braille font
+% \brailleunit -- \unitlength for \braillebox{}
+% \brailledot{} -- actual dot printed in \braillebox{}
+% \braille{} -- main user command (unless option compact is
+% activated)
+%
+% Additional vertical space between paragraphs may be necessary, since
+% \parskip=0pt is default. \braillebox{} is simple LaTeX picture box
+% \begin{picture}(2,3) ... \end{picture}
+% containing the actual patterns of dot which are placed with
+% \put(0.5,0.5){\brailledot} ...
+% The size and shape of braille box and dot can be changed by modifying
+% \brailleunit and \brailledot{}, respectively.
+%
+%
+% List of TeX macros and braille symbols defined here is summarized in
+% summary.tex -- "Summary of Grade 1 and 2 Braille"
+% summary.ps
+% In order to type the braille tags manually, user would have to know
+% Braille. To make it easier for people who don't know Braille, I wrote
+% Python scripts to convert ordinary ASCII text into grade 1 and 2
+% braille tags:
+% grade1.py -- converts text into grade 1 braille
+% grade2.py -- converts text into grade 2 braille
+% which behave like any Unix filters. Since my knowledge of Braille is
+% limited, there will be errors and omissions. So, check with a braille
+% expert.
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{braille}
+% With options
+% puttinydots = put {\tiny.} at all dot positions
+% useemptybox = use empty braille box for space, not \hskip
+
+
+% Usage: \braillebox{12345678}
+% Put dot (\brailledot) at positions 1, 2, 3, 4, 5, 6, 7, 8
+% Dot locations:
+% 14
+% 25
+% 36
+% 78
+%
+\newlength{\brailleunit} % size of box containing one dot
+\setlength{\brailleunit}{2mm}
+\newcommand{\brailledot}{\circle*{0.6}}
+
+\newif\ifbrailleputtinydots
+\newif\ifbrailleeightdots
+\newif\ifbraillecompact
+\newif\ifbrailleuseemptybox
+\newif\ifbraillemirror
+
+\DeclareOption{puttinydots}{\brailleputtinydotstrue}
+\DeclareOption{8dots}{\brailleeightdotstrue}
+\DeclareOption{compact}{\braillecompacttrue}
+\DeclareOption{useemptybox}{\brailleuseemptyboxtrue}
+\DeclareOption{mirror}{\braillemirrortrue}
+
+\ProcessOptions
+
+\newcommand{\braillebox}[1]{{\unitlength=\brailleunit
+ \ifx\TeXXeTstate\undefined\else\ifnum\TeXXeTstate=0\else\beginL\fi\fi
+ \kern0.5\unitlength
+ \ifbrailleeightdots
+ \raisebox{-0.5\unitlength}[4\unitlength]{%
+ \begin{picture}(2,4)(0,-1)
+ \ifbrailleputtinydots\put@tinydots\fi
+ \put@dot{#1}
+ \end{picture}}%
+ \else
+ \raisebox{-0.5\unitlength}[3\unitlength]{%
+ \begin{picture}(2,3)
+ \ifbrailleputtinydots\put@tinydots\fi
+ \put@dot{#1}
+ \end{picture}}%
+ \fi
+ \kern0.5\unitlength
+ \ifx\TeXXeTstate\undefined\else\ifnum\TeXXeTstate=0\else\endL\fi\fi}}
+
+\newcommand{\put@tinydots}{%
+ \put(0.5,2.5){\makebox[0pt]{\tiny.}}
+ \put(0.5,1.5){\makebox[0pt]{\tiny.}}
+ \put(0.5,0.5){\makebox[0pt]{\tiny.}}
+ \put(1.5,2.5){\makebox[0pt]{\tiny.}}
+ \put(1.5,1.5){\makebox[0pt]{\tiny.}}
+ \put(1.5,0.5){\makebox[0pt]{\tiny.}}
+ \ifbrailleeightdots
+ \put(0.5,-.5){\makebox[0pt]{\tiny.}}%
+ \put(1.5,-.5){\makebox[0pt]{\tiny.}}\fi}
+
+\newcommand{\put@dot}[1]{\@tfor\tempyyy:=#1\do{\ifcase\tempyyy
+ \PackageError{braille}{Bad dots #1}%
+ {Can only display dots 1-8}\or
+ \put(\ifbraillemirror1\else0\fi.5,2.5){\brailledot}\or
+ \put(\ifbraillemirror1\else0\fi.5,1.5){\brailledot}\or
+ \put(\ifbraillemirror1\else0\fi.5,0.5){\brailledot}\or
+ \put(\ifbraillemirror0\else1\fi.5,2.5){\brailledot}\or
+ \put(\ifbraillemirror0\else1\fi.5,1.5){\brailledot}\or
+ \put(\ifbraillemirror0\else1\fi.5,0.5){\brailledot}\or
+ \ifbrailleeightdots\put(\ifbraillemirror1\else0\fi.5,-.5){\brailledot}\else
+ \PackageError{braille}{Bad dots in #1}{Use option 8dots to use
+ eight dot braille}\fi\or
+ \ifbrailleeightdots\put(\ifbraillemirror0\else1\fi.5,-.5){\brailledot}\else
+ \PackageError{braille}{Bad dots in #1}{Use option 8dots to use
+ eight dot braille}\fi\else
+ \PackageError{braille}{Bad dots #1}%
+ {Can only display dots 1-8}\fi}}
+
+\ifbraillecompact
+
+\newcommand\braille[1]{\PackageError{braille}{Command \protect\braille\space
+ not loaded}{Do not use option compact, then you will get
+ \protect\braille}}
+
+\else
+
+% \newcommand{\braille}[1]{\@tfor\tempxxx:=#1\do{\old@char{\tempxxx}}}
+%
+% \braille{ab{the} c} runs sequence of predefined command associated
+% with each character or string in {}. For example,
+% \BRAILLEa\BRAILLEb\BRAILLEthe\BRAILLEc
+% Skips all whitespaces.
+%
+%
+% {\obeyspaces\gdef\braille{\begingroup\obeyspaces\@braille}}
+% \def\@braille#1{\@tfor\tempxxx:=#1\do{\old@char{\tempxxx}}\endgroup}
+%
+% Here, each space is dutifully printed with \hskip. However, since
+% any previous spaces are removed with \unskip, multiple spaces
+% collapse to one space. It still skips \t and \n, though. So, for
+% multiple lines, put spaces at the beginning of each line. Spaces
+% at the end of line will be ignored.
+%
+%
+% -- Fixed by Dominique:
+%
+\def\braille{\begingroup
+ \catcode`\ =12
+ \catcode`\^^M=12
+ \let\brl@@spc\undefined
+ \@braille}
+\def\@braille#1{\@tfor\tempxxx:=#1\do{\old@char{\tempxxx}%
+ \let\brl@@spc\brl@spc\let\brl@spc\undefined}\endgroup}
+
+
+% \new@char{new}{commands} define \BRAILLE... command
+% \old@char{old} run \BRAILLE... command
+%
+\newcommand{\new@char}[2]{%
+ \@ifundefined{BRAILLE#1}%
+ {\@namedef{BRAILLE#1}{#2}}%
+ {\@latex@error{Braille symbol for {#1} already defined}\@ehc}%
+}
+\newcommand{\old@char}[1]{%
+ \@ifundefined{BRAILLE#1}%
+ {\@latex@error{Braille symbol for {#1} not defined}\@ehc}%
+ {\@nameuse{BRAILLE#1}}%
+}
+
+
+% \def@char{new}{123456} define one braille code
+% \ln@char{old}{new} ln old new
+% \ln@@char{olda}{oldb}{new} ln olda+oldb new
+% \prefix@char{123456}{old}{new} ln prefix+old new
+% \suffix@char{old}{123456}{new} ln old+suffix new
+%
+\newcommand{\def@char}[2]{\new@char{#1}{\braillebox{#2}}}
+\newcommand{\ln@char}[2]{\new@char{#2}{\old@char{#1}}}
+\newcommand{\ln@@char}[3]{\new@char{#3}{\old@char{#1}\old@char{#2}}}
+\newcommand{\prefix@char}[3]{\new@char{#3}{\braillebox{#1}\old@char{#2}}}
+\newcommand{\suffix@char}[3]{\new@char{#3}{\old@char{#1}\braillebox{#2}}}
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Defines \BRAILLE...
+% where ... can be one or more characters.
+
+% blank space -- Fixed by Dominique:
+\newcommand\brl@space{%
+ \ifx\brl@@spc\undefined
+ \ifbrailleuseemptybox
+ \relax\braillebox{}\relax
+ \else
+ \unskip\hskip3\brailleunit\relax
+ \fi\fi
+ \let\brl@spc\@ne} % 6mm
+\new@char{ }{\brl@space}
+\catcode`\^^M=12\relax%
+\new@char{^^M}{\brl@space}%
+\catcode`\^^M=5\relax%
+
+% Prefix
+\def@char{Number}{3456}
+\def@char{Letter}{56}
+\def@char{Capital}{6}
+\ln@@char{Capital}{Capital}{Upper}
+\def@char{Italic}{46}
+
+% Letter and number
+\def@char{a}{1} \prefix@char{6}{a}{A} \ln@char{a}{1}
+\def@char{b}{12} \prefix@char{6}{b}{B} \ln@char{b}{2} \ln@char{b}{but}
+\def@char{c}{14} \prefix@char{6}{c}{C} \ln@char{c}{3} \ln@char{c}{can}
+\def@char{d}{145} \prefix@char{6}{d}{D} \ln@char{d}{4} \ln@char{d}{do}
+\def@char{e}{15} \prefix@char{6}{e}{E} \ln@char{e}{5} \ln@char{e}{every}
+\def@char{f}{124} \prefix@char{6}{f}{F} \ln@char{f}{6} \ln@char{f}{from}
+\def@char{g}{1245} \prefix@char{6}{g}{G} \ln@char{g}{7} \ln@char{g}{go}
+\def@char{h}{125} \prefix@char{6}{h}{H} \ln@char{h}{8} \ln@char{h}{have}
+\def@char{i}{24} \prefix@char{6}{i}{I} \ln@char{i}{9}
+\def@char{j}{245} \prefix@char{6}{j}{J} \ln@char{j}{0} \ln@char{j}{just}
+\def@char{k}{13} \prefix@char{6}{k}{K} \ln@char{k}{knowledge}
+\def@char{l}{123} \prefix@char{6}{l}{L} \ln@char{l}{like}
+\def@char{m}{134} \prefix@char{6}{m}{M} \ln@char{m}{more}
+\def@char{n}{1345} \prefix@char{6}{n}{N} \ln@char{n}{not}
+\def@char{o}{135} \prefix@char{6}{o}{O}
+\def@char{p}{1234} \prefix@char{6}{p}{P} \ln@char{p}{people}
+\def@char{q}{12345} \prefix@char{6}{q}{Q} \ln@char{q}{quite}
+\def@char{r}{1235} \prefix@char{6}{r}{R} \ln@char{r}{rather}
+\def@char{s}{234} \prefix@char{6}{s}{S} \ln@char{s}{so}
+\def@char{t}{2345} \prefix@char{6}{t}{T} \ln@char{t}{that}
+\def@char{u}{136} \prefix@char{6}{u}{U} \ln@char{u}{us}
+\def@char{v}{1236} \prefix@char{6}{v}{V} \ln@char{v}{very}
+\def@char{w}{2456} \prefix@char{6}{w}{W} \ln@char{w}{will}
+\def@char{x}{1346} \prefix@char{6}{x}{X} \ln@char{x}{it}
+\def@char{y}{13456} \prefix@char{6}{y}{Y} \ln@char{y}{you}
+\def@char{z}{1356} \prefix@char{6}{z}{Z} \ln@char{z}{as}
+
+% Punctuation
+\def@char{,}{2} \ln@char{,}{ea}
+\def@char{;}{23} \ln@char{;}{bb} \ln@char{;}{be}
+\def@char{:}{25} \ln@char{:}{cc} \ln@char{:}{con}
+\def@char{.}{256} \ln@char{.}{$} \ln@char{.}{dd} \ln@char{.}{dis}
+\def@char{!}{235} \ln@char{!}{ff} \ln@char{!}{to}
+\def@char{(}{2356} \ln@char{(}{)} \ln@char{(}{gg} \ln@char{(}{were}
+\def@char{``}{236} \ln@char{``}{?} \ln@char{``}{his}
+\def@char{''}{356} \ln@char{''}{by} \ln@char{''}{was}
+\def@char{-}{36} \ln@char{-}{com}
+\def@char{'}{3}
+\def@char{/}{34}
+\prefix@char{6}{(}{[}
+\suffix@char{)}{3}{]}
+\prefix@char{6}{``}{.`} % `...' is same as {.`}...{'.} which is
+\suffix@char{''}{3}{'.} % similar to actual braille code.
+\ln@@char{in}{in}{*}
+\ln@@char{:}{p}{percent} % spell out \%
+
+% Multi letter
+\def@char{and}{12346}
+\def@char{for}{123456}
+\def@char{of}{12356}
+\def@char{the}{2346}
+\def@char{with}{23456}
+
+\def@char{ch}{16} \ln@char{ch}{child}
+\def@char{sh}{146} \ln@char{sh}{shall}
+\def@char{th}{1456} \ln@char{th}{this}
+\def@char{wh}{156} \ln@char{wh}{which}
+\def@char{ou}{1256} \ln@char{ou}{out}
+\def@char{st}{34} \ln@char{st}{still} % same as /
+
+\def@char{ar}{345}
+\def@char{er}{12456}
+\def@char{ed}{1246}
+\def@char{gh}{126}
+\def@char{ow}{246}
+
+% Miscellaneous
+\def@char{ble}{3456} % same as {Number}
+\def@char{ing}{346}
+\def@char{in}{35}
+\ln@@char{in}{to}{into}
+\def@char{en}{26} \ln@char{en}{enough}
+
+% Final letter contraction
+\prefix@char{46}{d}{ound}
+\prefix@char{46}{e}{ance}
+\prefix@char{46}{n}{sion}
+\prefix@char{46}{s}{less}
+\prefix@char{46}{t}{ount}
+
+\prefix@char{56}{e}{ence}
+\prefix@char{56}{g}{ong}
+\prefix@char{56}{l}{ful}
+\prefix@char{56}{n}{tion}
+\prefix@char{56}{s}{ness}
+\prefix@char{56}{t}{ment}
+\prefix@char{56}{y}{ity}
+
+\prefix@char{6}{n}{ation}
+\prefix@char{6}{y}{ally}
+
+% Initial letter contraction
+\prefix@char{45}{u}{upon}
+\prefix@char{45}{w}{word}
+\prefix@char{45}{th}{those}
+\prefix@char{45}{wh}{whose}
+\prefix@char{45}{the}{these}
+
+\prefix@char{456}{c}{cannot}
+\prefix@char{456}{h}{had}
+\prefix@char{456}{m}{many}
+\prefix@char{456}{s}{spirit}
+\prefix@char{456}{w}{world}
+\prefix@char{456}{the}{their}
+
+\prefix@char{5}{d}{day}
+\prefix@char{5}{e}{ever}
+\prefix@char{5}{f}{father}
+\prefix@char{5}{h}{here}
+\prefix@char{5}{k}{know}
+\prefix@char{5}{l}{lord}
+\prefix@char{5}{m}{mother}
+\prefix@char{5}{n}{name}
+\prefix@char{5}{o}{one}
+\prefix@char{5}{p}{part}
+\prefix@char{5}{q}{question}
+\prefix@char{5}{r}{right}
+\prefix@char{5}{s}{some}
+\prefix@char{5}{t}{time}
+\prefix@char{5}{u}{under}
+\prefix@char{5}{w}{work}
+\prefix@char{5}{y}{young}
+
+\prefix@char{5}{ch}{character}
+\prefix@char{5}{th}{through}
+\prefix@char{5}{wh}{where}
+\prefix@char{5}{ou}{ought}
+\prefix@char{5}{the}{there}
+
+% Abbreviation for whole word
+\new@char{about}{\braille{ab}}
+\new@char{above}{\braille{abv}}
+\new@char{according}{\braille{ac}}
+\new@char{across}{\braille{acr}}
+\new@char{after}{\braille{af}}
+\new@char{afternoon}{\braille{afn}}
+\new@char{afterward}{\braille{afw}}
+\new@char{again}{\braille{ag}}
+\new@char{against}{\braille{ag{st}}}
+\new@char{almost}{\braille{alm}}
+\new@char{already}{\braille{alr}}
+\new@char{also}{\braille{al}}
+\new@char{although}{\braille{al{th}}}
+\new@char{altogether}{\braille{alt}}
+\new@char{always}{\braille{alw}}
+\new@char{because}{\braille{{be}c}}
+\new@char{before}{\braille{{be}f}}
+\new@char{behind}{\braille{{be}h}}
+\new@char{below}{\braille{{be}l}}
+\new@char{beneath}{\braille{{be}n}}
+\new@char{beside}{\braille{{be}s}}
+\new@char{between}{\braille{{be}t}}
+\new@char{beyond}{\braille{{be}y}}
+\new@char{blind}{\braille{bl}}
+\new@char{braille}{\braille{brl}}
+\new@char{children}{\braille{{ch}n}}
+\new@char{conceive}{\braille{{con}cv}}
+\new@char{conceiving}{\braille{{con}cvg}}
+\new@char{could}{\braille{cd}}
+\new@char{deceive}{\braille{dcv}}
+\new@char{deceiving}{\braille{dcvg}}
+\new@char{declare}{\braille{dcl}}
+\new@char{declaring}{\braille{dclg}}
+\new@char{either}{\braille{ei}}
+\new@char{first}{\braille{f{st}}}
+\new@char{friend}{\braille{fr}}
+\new@char{good}{\braille{gd}}
+\new@char{great}{\braille{grt}}
+\new@char{herself}{\braille{h{er}f}}
+\new@char{him}{\braille{hm}}
+\new@char{himself}{\braille{hmf}}
+\new@char{immediate}{\braille{imm}}
+\new@char{its}{\braille{xs}}
+\new@char{itself}{\braille{xf}}
+\new@char{letter}{\braille{lr}}
+\new@char{little}{\braille{ll}}
+\new@char{much}{\braille{m{ch}}}
+\new@char{must}{\braille{m{st}}}
+\new@char{myself}{\braille{myf}}
+\new@char{necessary}{\braille{nec}}
+\new@char{neither}{\braille{nei}}
+\new@char{o'clock}{\braille{o'c}}
+\new@char{oneself}{\braille{{one}f}}
+\new@char{ourselves}{\braille{{ou}rvs}}
+\new@char{paid}{\braille{pd}}
+\new@char{perceive}{\braille{p{er}cv}}
+\new@char{perceiving}{\braille{p{er}cvg}}
+\new@char{perhaps}{\braille{p{er}h}}
+\new@char{quick}{\braille{qk}}
+\new@char{receive}{\braille{rcv}}
+\new@char{receiving}{\braille{rcvg}}
+\new@char{rejoice}{\braille{rjc}}
+\new@char{rejoicing}{\braille{rjcg}}
+\new@char{said}{\braille{sd}}
+\new@char{should}{\braille{{sh}d}}
+\new@char{such}{\braille{s{ch}}}
+\new@char{themselves}{\braille{{the}mvs}}
+\new@char{thyself}{\braille{{th}yf}}
+\new@char{today}{\braille{td}}
+\new@char{together}{\braille{tgr}}
+\new@char{tomorrow}{\braille{tm}}
+\new@char{tonight}{\braille{tn}}
+\new@char{would}{\braille{wd}}
+\new@char{your}{\braille{yr}}
+\new@char{yourself}{\braille{yrf}}
+\new@char{yourselves}{\braille{yrvs}}
+
+\fi