xgreek update (25jun08)

git-svn-id: svn://tug.org/texlive/trunk@9133 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 536 insertions, 39 deletions

diff --git a/Master/texmf-dist/source/xelatex/xgreek/xgreek.dtx b/Master/texmf-dist/source/xelatex/xgreek/xgreek.dtx
index 22d071f78cd..41413da30da 100644
--- a/Master/texmf-dist/source/xelatex/xgreek/xgreek.dtx
+++ b/Master/texmf-dist/source/xelatex/xgreek/xgreek.dtx
@@ -16,7 +16,7 @@
 %%
 %\iffalse
 %
-% (c) Copyright 2007 Apostolos Syropoulos 
+% (c) Copyright 2007-2008 Apostolos Syropoulos 
 % This program can be redistributed and/or modified under the 
 % terms of the LaTeX Project Public License Distributed from 
 % http://www.latex-project.org/lppl.txt; either
@@ -29,22 +29,24 @@
 %    Apostolos Syropoulos  (asyropoulos@yahoo.com)
 %
 %\fi
-% \CheckSum{424}
+% \CheckSum{1797}
 % \iffalse This is a Metacomment
 %
 %<xgreek, >\ProvidesFile{xgreek.sty}
 %
-%<xgreek, > [2007/11/18 v1.0c Package `xgreek.sty']
+%<xgreek, > [2008/06/22 v2.0 Package `xgreek.sty']
 %
 %    \begin{macrocode}
 %<*driver>
 \documentclass{ltxdoc}
 \GetFileInfo{xgreek.drv}
+\usepackage{xunicode,xltxtra}
 \usepackage{fontspec}
-\language=\american
 \begin{document}
-\setmainfont{GFS Bodoni}
+\setmainfont[Mapping=tex-text,Script=Greek,
+             SmallCapsFeatures={Contextuals=Alts}]{Universal Modern}
 \setmonofont{UM Typewriter}
+\setsansfont[Mapping=tex=text]{GFS Neohellenic}
    \DocInput{xgreek.dtx}
 \end{document}
 %</driver>
@@ -55,28 +57,346 @@
 %\author{Apostolos Syropoulos\\
 %        Xanthi, Greece\\
 %        \texttt{asyropoulos@yahoo.com}}
-% \date{2007/01/09}
+% \date{2008/06/22}
 %\maketitle
 % \begin{abstract}
 % The \textsf{xgreek} package provides rudimentary support for Greek language
-% typesetting with X$\epsilon$\LaTeX. In particular, it provides support for modern Greek (either
+% typesetting with \XeLaTeX. In particular, it provides support for modern Greek (either
 % monotonic or polytonic) and ancient Greek.  
 %\end{abstract}
 %
 %\section{Introduction}
 %
 % The \textsf{xgreek} package provides rudimentary support for Greek language
-% typesetting with X$\epsilon$\LaTeX. Users will be able to typeset documents in either
+% typesetting with \XeLaTeX. Users will be able to typeset documents in either
 % modern Greek (monotonic or polytonic) or ancient Greek by selecting the appropriate
-% package option. The default ``language'' is monotonic modern greek.  
+% package option. The default ``language'' is monotonic Greek.  
 % 
 %
 % \section{The Source Code}
-% We define the various strings that correspond to the standard \LaTeX\ captions.
-% Since monotonic Greek is the default option, we define these strings accordingly.
-% Options 
+% According to the Unicode standard 
+%\begin{center}
+%|http://www.unicode.org/Public/UNIDATA/UnicodeData.txt|
+%\end{center}
+% the uppercase form of \textsc{greek small letter epsilon with tonos} is
+% \textsc{greek capital letter eta with tonos}. This is certainly wrong. The main reason
+% is that accents are not part of the letter as for example is the case with
+% \textsc{latin small letter k with caron}. Since, \XeLaTeX\ blindly follows the Unicode
+% standard, commands like |\MakeUppercase| produce wrong output. For this reason
+% we first need to set up the correct |\uccode|s and |\lccode|s.  
 %    \begin{macrocode}
 %<*xgreek>
+\message{Package `xgreek' version 2.0 by Apostolos Syropoulos}
+\global\lccode"0386="03AC \global\uccode"0386="0391
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+\global\lccode"1FA9="1FA1 \global\uccode"1FA9="1FFC
+\global\lccode"1FAA="1FA2 \global\uccode"1FAA="1FFC
+\global\lccode"1FAB="1FA3 \global\uccode"1FAB="1FFC
+\global\lccode"1FAC="1FA4 \global\uccode"1FAC="1FFC
+\global\lccode"1FAD="1FA5 \global\uccode"1FAD="1FFC
+\global\lccode"1FAE="1FA6 \global\uccode"1FAE="1FFC
+\global\lccode"1FAF="1FA7 \global\uccode"1FAF="1FFC
+\global\lccode"1FB0="1FB0 \global\uccode"1FB0="1FB8
+\global\lccode"1FB1="1FB1 \global\uccode"1FB1="1FB9
+\global\lccode"1FB2="1FB2 \global\uccode"1FB2="1FBC
+\global\lccode"1FB3="1FB3 \global\uccode"1FB3="1FBC
+\global\lccode"1FB4="1FB4 \global\uccode"1FB4="1FBC
+\global\lccode"1FB6="1FB6 \global\uccode"1FB6="0391
+\global\lccode"1FB7="1FB7 \global\uccode"1FB7="1FBC
+\global\lccode"1FB8="1FB0 \global\uccode"1FB8="1FB8
+\global\lccode"1FB9="1FB1 \global\uccode"1FB9="1FB9
+\global\lccode"1FBA="1F70 \global\uccode"1FBA="0391
+\global\lccode"1FBB="1F71 \global\uccode"1FBB="0391
+\global\lccode"1FBC="1FB3 \global\uccode"1FBC="1FBC
+\global\lccode"1FBD="1FBD \global\uccode"1FBD="1FBD
+\global\lccode"1FC2="1FC2 \global\uccode"1FC2="1FCC
+\global\lccode"1FC3="1FC3 \global\uccode"1FC3="1FCC
+\global\lccode"1FC4="1FC4 \global\uccode"1FC4="1FCC
+\global\lccode"1FC6="1FC6 \global\uccode"1FC6="0397
+\global\lccode"1FC7="1FC7 \global\uccode"1FC7="1FCC
+\global\lccode"1FC8="1F72 \global\uccode"1FC8="0395
+\global\lccode"1FC9="1F73 \global\uccode"1FC9="0395
+\global\lccode"1FCA="1F74 \global\uccode"1FCA="0397
+\global\lccode"1FCB="1F75 \global\uccode"1FCB="0397
+\global\lccode"1FCC="1FC3 \global\uccode"1FCC="1FCC
+\global\lccode"1FD0="1FD0 \global\uccode"1FD0="1FD8
+\global\lccode"1FD1="1FD1 \global\uccode"1FD1="1FD9
+\global\lccode"1FD2="1FD2 \global\uccode"1FD2="03AA
+\global\lccode"1FD3="1FD3 \global\uccode"1FD3="03AA
+\global\lccode"1FD6="1FD6 \global\uccode"1FD6="0399
+\global\lccode"1FD7="1FD7 \global\uccode"1FD7="03AA
+\global\lccode"1FD8="1FD0 \global\uccode"1FD8="1FD8
+\global\lccode"1FD9="1FD1 \global\uccode"1FD9="1FD9
+\global\lccode"1FDA="1F76 \global\uccode"1FDA="0399
+\global\lccode"1FDB="1F77 \global\uccode"1FDB="0399
+\global\lccode"1FE0="1FE0 \global\uccode"1FE0="1FE8
+\global\lccode"1FE1="1FE1 \global\uccode"1FE1="1FE9
+\global\lccode"1FE2="1FE2 \global\uccode"1FE2="03AB
+\global\lccode"1FE3="1FE3 \global\uccode"1FE3="03AB
+\global\lccode"1FE4="1FE4 \global\uccode"1FE4="03A1
+\global\lccode"1FE5="1FE5 \global\uccode"1FE5="1FEC
+\global\lccode"1FE6="1FE6 \global\uccode"1FE6="03A5
+\global\lccode"1FE7="1FE7 \global\uccode"1FE7="03AB
+\global\lccode"1FE8="1FE0 \global\uccode"1FE8="1FE8
+\global\lccode"1FE9="1FE1 \global\uccode"1FE9="1FE9
+\global\lccode"1FEA="1F7A \global\uccode"1FEA="03A5
+\global\lccode"1FEB="1F7B \global\uccode"1FEB="03A5
+\global\lccode"1FEC="1FE5 \global\uccode"1FEC="1FEC
+\global\lccode"1FF2="1FF2 \global\uccode"1FF2="1FFC
+\global\lccode"1FF3="1FF3 \global\uccode"1FF3="1FFC
+\global\lccode"1FF4="1FF4 \global\uccode"1FF4="1FFC
+\global\lccode"1FF6="1FF6 \global\uccode"1FF6="03A9
+\global\lccode"1FF7="1FF7 \global\uccode"1FF7="1FFC
+\global\lccode"1FF8="1F78 \global\uccode"1FF8="039F
+\global\lccode"1FF9="1F79 \global\uccode"1FF9="039F
+\global\lccode"1FFA="1F7C \global\uccode"1FFA="03A9
+\global\lccode"1FFB="1F7D \global\uccode"1FFB="03A9
+\global\lccode"1FFC="1FF3 \global\uccode"1FFC="1FFC
+%    \end{macrocode}
+% Next we define the various strings that correspond to the standard \LaTeX\ captions.
+% We first define the strings for monotonic Greek. 
+%    \begin{macrocode}
 \def\prefacename{Πρόλογος}%
 \def\refname{Αναφορές}%
 \def\abstractname{Περίληψη}%
@@ -99,17 +419,7 @@
 \def\proofname{Απόδειξη}%
 \def\glossaryname{Γλωσσάρι}%
 %    \end{macrocode}
-% The macro |\dategreek| redefines the command |\today| to produce greek dates. The
-% names of months are defined by the macro |\gr@month|. 
-%    \begin{macrocode}
-\def\gr@month{%
-  \ifcase\month\or Ιανουαρίου\or Φεβρουαρίου\or Μαρτίου\or Απριλίου\or
-    Μαΐου\or Ιουνίου\or Ιουλίου\or Αυγούστου\or
-     Σεπτεμβρίου\or Οκτωβρίου\or Νοεμβρίου\or Δεκεμβρίου\fi}
-\def\today{\number\day \space \gr@month\space \number\year}
-%    \end{macrocode}
-% Macro |\polytonicn@mes| is invoked when either polytonic Greek or ancient Greek is
-% the main language of the document.
+% Macro |\polytonicn@mes| is invoked when polytonic Greek is the main language of the document.
 %    \begin{macrocode} 
 \def\polytonicn@mes{%
   \def\refname{Ἀναφορὲς}%
@@ -120,6 +430,45 @@
   \def\proofname{Ἀπόδειξη}%
 }
 %    \end{macrocode}
+% Macro |\@ncientn@mes| is invoked when ancient Greek is the main language of the document.
+%    \begin{macrocode} 
+\def\@ncientn@mes{%
+  \def\prefacename{Προοίμιον}%
+  \def\refname{Αναφοραί}%
+  \def\abstractname{Περίληψις}%
+  \def\bibname{Βιβλιογραφία}%
+  \def\chaptername{Κεφάλαιον}%
+  \def\appendixname{Παράρτημα}%
+  \def\contentsname{Περιεχόμενα}%
+  \def\listfigurename{Κατάλογος σχημάτων}%
+  \def\listtablename{Κατάλογος πινάκων}%
+  \def\indexname{Εὑρετήριον}%
+  \def\figurename{Σχήμα}%
+  \def\tablename{Πίναξ}%
+  \def\partname{Μέρος}%
+  \def\enclname{Συνημμένως}%
+  \def\ccname{Κοινοποίησις}%
+  \def\headtoname{Πρὸς}%
+  \def\pagename{Σελὶς}%
+  \def\seename{ὃρα}%
+  \def\alsoname{ὃρα ὡσαύτως}%
+  \def\proofname{Ἀπόδειξις}%
+  \def\glossaryname{Γλωσσάριον}%
+  \def\refname{Ἀναφοραὶ}%
+  \def\indexname{Εὑρετήριο}%
+  \def\figurename{Σχῆμα}%
+  \def\headtoname{Πρὸς}%
+}
+%    \end{macrocode}
+% We redefine |\today| so as to produce dates in Greek. The
+% names of months are defined by the macro |\gr@month|. 
+%    \begin{macrocode}
+\def\gr@month{%
+  \ifcase\month\or Ιανουαρίου\or Φεβρουαρίου\or Μαρτίου\or Απριλίου\or
+    Μαΐου\or Ιουνίου\or Ιουλίου\or Αυγούστου\or
+     Σεπτεμβρίου\or Οκτωβρίου\or Νοεμβρίου\or Δεκεμβρίου\fi}
+\def\today{\number\day \space \gr@month\space \number\year}
+%    \end{macrocode}
 % When either polytonic Greek or ancient Greek is the main language of the document,
 % then the macro |\gr@c@month| becomes active.  
 %    \begin{macrocode}
@@ -129,25 +478,30 @@
   Ὀκτωβρίου\or Νοεμβρίου\or Δεκεμβρίου\fi}
 %    \end{macrocode}
 % Now that we have defined the language dependant macros, we can safely define the various
-% supported options.
+% supported options. Note we follow the standard mechanims to load hyphenation patterns.
 %    \begin{macrocode}
-\DeclareOption{monotonic}{%
-   \language\moderngreek
+\DeclareOption{monogreek}{%
+   \language\l@monogreek%
 }
-\DeclareOption{polytonic}{%
-   \language\moderngreek%
+\DeclareOption{polygreek}{%
+   \language\l@polygreek%
    \polytonicn@mes%
    \let\gr@month\gr@c@month%
 }
-\DeclareOption{ancient}{%
-   \language\ancientgreek%
-   \polytonicn@mes%
+\DeclareOption{ancientgreek}{%
+   \language\l@ancientgreek%
+   \@ncientn@mes%
    \let\gr@month\gr@c@month%
 }
-\ExecuteOptions{monotonic}
-\frenchspacing
+\ExecuteOptions{monogreek}
 \ProcessOptions
 %    \end{macrocode}
+% The following commands take care of the basic rules of typography. 
+%    \begin{macrocode}
+\frenchspacing
+\let\@afterindentfalse\@afterindenttrue
+\@afterindenttrue
+%    \end{macrocode}
 % Before we proceed let us define a few macros, which allow one to access characters
 % that are not usually easily accessible such as the sampi or koppa symbols. 
 %    \begin{macrocode}
@@ -161,8 +515,8 @@
 \def\euro{\char"20AC\relax}
 \def\permill{\char"2030\relax}
 %    \end{macrocode}
-% Now we are going to define the macros that typeset Greek numerals. The code is
-% borrowed from the greek option for the babel package.
+% Now we are going to define the macros that typeset alphabetic Greek numerals. The code 
+% is borrowed from the greek option for the babel package.
 %  \begin{macro}{\gr@ill@value}
 %    When the argument of |\greeknumeral| has a value outside of the
 %    acceptable bounds ($0 < x < 999999$) a warning will be issued
@@ -252,6 +606,148 @@
 %    \end{macrocode}
 %  \end{macro}
 %
+% The alphabetic numbering system is not the only numbering system employed by Greeks.
+% In fact, Greeks used various systems that are now known as {\em acrophonic} numbering
+% systems. Most scholars are familiral with the acrophonic Attic numbering system and the
+% the command |\atticnum| can be used to generate acrophonic Attic numerals.  
+% The acrophonic Attic numbering system, like the Roman one, employs
+% letters to denote important numbers. Multiple occurrence of a letter denote
+% a multiple of the ``important'' number, e.g., the letter Ι denotes 1, so
+% ΙΙΙ denotes 3. Here are the basic digits used in the acrophonic Attic numbering
+% system:
+% \begin{itemize}
+%  \item Ι denotes the number one (1)
+%  \item Π denotes the number five (5)
+%  \item Δ denotes the number ten (10)
+%  \item Η denotes the number one hundred (100)
+%  \item Χ denotes the number one thousand (1000)
+%  \item Μ denotes the number ten thousands (10000)
+%\end{itemize}
+% Moreover,  the letters Δ, Η, Χ, and Μ under the letter ^^^^^10143 (a form of Π)
+% denote five times their original value. In particular, the symbol ^^^^^10144, denotes 
+% the number 50, the symbol ^^^^^10145 denotes the number 500, the symbol ^^^^^10146
+% denotes the number 5000, and the symbol ^^^^^10147 denotes the number 50,000. It 
+% must be noted that the numbering system does not provide negative numerals or a symbol for
+% zero. 
+%\begin{macro}{\@@atticnum}            
+% Now, we turn our attention to the definition of the macro 
+% |\@@atticnum|. This macro uses one integer variable (or counter in 
+% \TeX's jargon.)
+%    \begin{macrocode}
+\newcount\@attic@num
+%    \end{macrocode}
+% The macro |\@@atticnum| is also defined as a robust command.
+%    \begin{macrocode}
+\DeclareRobustCommand*{\@@atticnum}[1]{%
+%    \end{macrocode}
+% After assigning to variable |\@attic@num| the value of the macro's argument, 
+% we make sure that the argument is in the expected range, i.e., it is greater
+% than zero, and less or equal to $249999$.  In case it isn't, we simply 
+% produce a |\space|, warn the user about it and quit. Although, the
+% |\atticnum| macro is capable to produce an Athenian numeral for even greater
+% intergers, the following argument by Claudio Beccari convised me to place
+% this above upper limit:
+% \begin{quote} 
+% According to psychological perception studies (that ancient Athenians
+% and Romans perfectly knew without needing to study Freud and Jung)
+% living beings (which includes at least all vertebrates, not only
+% humans) can perceive up to four randomly set objects of the same kind   
+% without the need of counting, the latter activity being a specific
+% acquired ability of human kind; the biquinary numbering notation
+% used by the Athenians and the Romans exploits this natural
+% characteristic of human beings.
+% \end{quote}
+%    \begin{macrocode}
+        \@attic@num#1\relax
+        \ifnum\@attic@num<\@ne%
+          \space%
+          \PackageWarning{xgreek}{%
+          Illegal value (\the\@attic@num) for acrophonic Attic numeral}%
+        \else\ifnum\@attic@num>249999%
+          \space%
+          \PackageWarning{xgreek}{%
+          Illegal value (\the\@attic@num) for acrophonic Attic numeral}%
+        \else
+%    \end{macrocode}
+% Having done all the necessary checks, we are now ready to do the actual
+% computation. If the number is greater than $49999$, then it certainly
+% has at least one ^^^^^10147 ``digit''. We find all such digits by continuously
+% subtracting $50000$ from |\@attic@num|, until |\@attic@num| becomes less than
+% $50000$. 
+%    \begin{macrocode}
+            \@whilenum\@attic@num>49999\do{%
+               ^^^^^10147\advance\@attic@num-50000}%
+%    \end{macrocode}
+% We now check for tens of thousands.
+%    \begin{macrocode}
+            \@whilenum\@attic@num>9999\do{%
+               M\advance\@attic@num-\@M}%
+%    \end{macrocode}
+% Since a number can have only one ^^^^^10146 ``digit'' (equivalent to 5000), it 
+% is easy to check it out and produce the corresponding numeral in case it does
+% have one.
+%    \begin{macrocode}
+            \ifnum\@attic@num>4999%
+               ^^^^^10146\advance\@attic@num-5000%
+            \fi\relax
+%    \end{macrocode}
+% Next, we check for thousands, the same way we checked for tens of thousands.
+%    \begin{macrocode}
+            \@whilenum\@attic@num>999\do{%
+               Χ\advance\@attic@num-\@m}%
+%    \end{macrocode}
+% Like the five thousands, a numeral can have at most one ^^^^^10145 ``digit''
+% (equivalent to 500).
+%    \begin{macrocode}
+            \ifnum\@attic@num>499%
+               ^^^^^10145\advance\@attic@num-500%
+            \fi\relax
+%    \end{macrocode}
+% It is time to check hundreds, which follow the same pattern as thousands
+%    \begin{macrocode}
+            \@whilenum\@attic@num>99\do{%
+               Η\advance\@attic@num-100}%
+%    \end{macrocode}
+% A numeral can have only one ^^^^^10144 ``digit'' (equivalent to 50).
+%    \begin{macrocode} 
+            \ifnum\@attic@num>49%
+               ^^^^^10144\advance\@attic@num-50%
+            \fi\relax
+%    \end{macrocode}
+% Let's check now decades.
+%    \begin{macrocode}         
+            \@whilenum\@attic@num>9\do{%
+               Δ\advance\@attic@num by-10}%
+%    \end{macrocode}
+% We check for five and, finally, for the digits 1, 2, 3, and 4.
+%    \begin{macrocode}
+            \@whilenum\@attic@num>4\do{%
+               Π\advance\@attic@num-5}%
+            \ifcase\@attic@num\or Ι\or ΙΙ\or ΙΙΙ\or ΙΙΙΙ\fi%
+   \fi\fi}
+%    \end{macrocode}
+%\end{macro}
+% 
+%\begin{macro}{\@atticnum}
+% The command |\@atticnum| has one argument, which
+% is a counter. It calls the command |\@@atticnum| to process the value of
+% the counter.
+%    \begin{macrocode}
+\def\@atticnum#1{%
+     \expandafter\@@atticnum\expandafter{\the#1}}
+%    \end{macrocode}
+%\end{macro}
+%\begin{macro}{\atticnum}
+% The command |\atticnum| is a wrapper that declares
+% a new counter in a local scope, assigns to it the argument of the command
+% and calls the macro |\@atticnum|. This way the command can process correctly
+% either a number or a counter. 
+%    \begin{macrocode}
+\def\atticnum#1{%
+     \@attic@num#1\relax
+     \@atticnum{\@attic@num}}
+%    \end{macrocode}
+%\end{macro}
 %
 %  \begin{macro}{\greek@alph}
 %  \begin{macro}{\greek@Alph}
@@ -267,7 +763,7 @@
 \def\greek@alph#1{\expandafter\greeknumeral\expandafter{\the#1}}
 \def\greek@Alph#1{\expandafter\Greeknumeral\expandafter{\the#1}}
 %    \end{macrocode}
-% By default use Greek enumerals instaed of Latin numerals to enumerate items in an
+% By default use Greek alphabetic enumerals instaed of Latin numerals to enumerate items in an
 % enumeration environment.
 %    \begin{macrocode}
   \let\@alph\greek@alph
@@ -337,14 +833,15 @@
 %  \begin{macro}{\setlanguage}
 % We provide the |\setlanguage| command which 
 % activates the hypehnation patterns of some other language. It is similar
-% to babel's |\selectlanguage|, but we opted to use a new name to avoid any name conflicts.  
+% to babel's |\selectlanguage|, but we opted to use a new name to avoid any name conflicts. 
+% Valid arguments include |monogreek|, |polygreek|, and |ancientgreek|. 
 %    \begin{macrocode}
 \def\setlanguage#1{%
-   \expandafter\ifx\csname #1\endcsname\relax%
+   \expandafter\ifx\csname l@#1\endcsname\relax%
    \typeout{^^J Error: No hyphenation pattern for language #1 loaded,}%
    \typeout{ default hyphenation patterns are used.^^J}%
    \language=0%
-   \else\language=\csname #1\endcsname\fi}
+   \else\language=\csname l@#1\endcsname\fi}
 %    \end{macrocode}
 %  \end{macro}
 %    The macros |\grtoday| and |\Grtoday| produces the current date, only that the