reinstate bezos

git-svn-id: svn://tug.org/texlive/trunk@20113 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 284 insertions, 0 deletions

diff --git a/Master/texmf-dist/tex/latex/bezos/tensind.sty b/Master/texmf-dist/tex/latex/bezos/tensind.sty
new file mode 100644
index 00000000000..2c9cc1bbc8e
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/bezos/tensind.sty
@@ -0,0 +1,284 @@
+% +--------------------------------------------------+
+% | Typeset titlesec.tex to get the documentation.   |
+% +--------------------------------------------------+
+%
+% This file is copyrighted (c) 1998 by Javier Bezos.
+% All Rights Reserved.
+% 
+% This program can be redistributed and/or modified under the terms
+% of the LaTeX Project Public License Distributed from CTAN
+% archives in directory macros/latex/base/lppl.txt; either
+% version 1 of the License, or any later version.
+%
+% Release
+% ~~~~~~~
+
+\ProvidesPackage{tensind}[1998/05/01 v1.0 Tensorial Indexes]
+
+\@tempcnta=\the\catcode`^
+\@tempcntb=\the\catcode`_
+\catcode`^=7\catcode`_=8
+
+\newdimen\tsi@dimen
+
+\newif\iftsi@sp
+\newif\iftsi@sb
+
+\newif\iftsi@e
+\newif\iftsi@b
+\newif\iftsi@l
+\newif\iftsi@r
+\newif\iftsi@o
+\newif\iftsi@c
+\newif\iftsi@s
+\newif\iftsi@nodot
+
+\def\tsi@thedots{}
+\def\tsi@theprimes{}
+\def\tsi@thesb{}
+\def\tsi@thesp{}
+\def\tsi@lastloc{x}
+\def\tsi@lastindex{}%
+\def\tsi@addindex{\tsi@addpr}
+
+\let\tsi@bl\relax
+\let\tsi@br\relax
+\let\tsi@bm\relax
+\let\tsi@tl\relax
+\let\tsi@tr\relax
+\let\tsi@tm\relax
+
+\let\tsi@choice\mathchoice
+
+\newif\iftsi@top
+\newif\iftsi@bot
+
+\let\tsi@gap\relax
+
+\def\tensorformat#1{\tsi@lfalse\tsi@rfalse\tsi@efalse
+  \tsi@bfalse\tsi@ofalse\tsi@cfalse\tsi@sfalse
+  \@tfor\tsi@a:=#1\do{\csname tsi@\tsi@a true\endcsname}}
+
+\tensorformat{}
+\def\indexdot{\cdot}
+
+\def\tsi@appendto#1#2{\protected@edef#2{#2#1}}
+
+\def\tensor{\catcode`_=8\catcode`^=7 %
+  \def\tsi@end{\end}\tsi@ifnextchar[{\tsi@otensor}{\tsi@xtensor}}
+
+\begingroup
+
+\catcode`?=13
+\gdef\tensordelimiter#1{\mathcode`#1="8000{\catcode`?=13\lccode`?=`#1
+  \lowercase{%
+    \gdef?{\begingroup\catcode`_=8 \catcode`^=7 %
+        \def\tsi@end{#1}\def?{\endtensor\endgroup}%
+        \@ifnextchar[{\tsi@otensor}{\tsi@xtensor}}}}}
+        
+\endgroup
+
+\def\tsi@otensor[#1]{\tensorformat{#1}\tsi@xtensor}
+
+\gdef\tsi@xtensor#1{%
+   \def\tsi@nucl{#1}%
+   \futurelet\nxt\tsi@process}
+
+\def\tsi@process#1{%
+  \def\next{\futurelet\nxt\tsi@process}%
+  \def\tsi@theindex{#1}\def\tsi@a{_}%
+  \ifx\tsi@theindex\tsi@a
+    \if\tsi@lastloc x\let\tsi@first\@empty\fi
+    \if\tsi@lastloc b\else\tsi@switchsb\fi
+  \else
+    \def\tsi@a{^}%
+    \ifx\tsi@theindex\tsi@a
+      \if\tsi@lastloc p\else\tsi@switchsp\fi
+    \else
+      \ifx\tsi@theindex\tsi@end
+        \let\next\tsi@end
+      \else
+        \tsi@nodotfalse
+        \ifx\nxt\bgroup
+          \def\tsi@lastindex{}%
+        \else
+          \csname tsi@cmd\string#1\endcsname
+          \def\tsi@lastindex{#1}%
+        \fi
+        \tsi@addindex
+      \fi
+    \fi
+  \fi
+  \next}
+
+\def\tsi@switchsp{%
+  \let\tsi@addindex\tsi@addsp
+  \iftsi@top
+    \def\tsi@gap{\tsi@tm}%
+  \else
+    \def\tsi@gap{\tsi@tl}%
+  \fi
+  \tsi@appendto{\tsi@thedots}\tsi@thesp
+  \let\tsi@gap\relax
+  \def\tsi@thedots{}}
+  
+\def\tsi@switchsb{%
+  \let\tsi@addindex\tsi@addsb
+  \iftsi@bot
+    \def\tsi@gap{\tsi@bm}%
+  \else
+    \def\tsi@gap{\tsi@bl}%
+  \fi
+  \tsi@appendto{\tsi@thedots}\tsi@thesb  
+  \let\tsi@gap\relax
+  \def\tsi@thedots{}}
+
+\def\tsi@addpr{%
+  \tsi@appendto{\tsi@theindex}\tsi@theprimes}
+
+\def\tsi@addsp{%
+  \tsi@toptrue
+  \tsi@appendto{\tsi@theindex}\tsi@thesp
+  \iftsi@nodot
+    \tsi@appendto{\protect\tsi@phantom{\tsi@theindex}}\tsi@thedots
+  \else
+    \tsi@appendto{\tsi@gap{\tsi@theindex}}\tsi@thedots
+  \fi
+  \def\tsi@lastloc{p}}
+
+\def\tsi@addsb{%
+  \tsi@bottrue
+  \tsi@appendto{\tsi@theindex}\tsi@thesb
+  \iftsi@nodot
+    \tsi@appendto{\protect\tsi@phantom{\tsi@theindex}}\tsi@thedots
+  \else
+    \tsi@appendto{\tsi@gap{\tsi@theindex}}\tsi@thedots
+  \fi
+  \def\tsi@lastloc{b}}
+
+\def\tsi@dot#1{%
+  \setbox\z@\hbox{$\tsi@fam\m@th\tsi@index#1$}%
+  \hbox to\wd\z@{\hss$\tsi@fam\m@th\tsi@index\indexdot$\hss}}
+  
+\newdimen\primes
+
+\def\endtensor{%
+  \if\tsi@lastloc p
+    \def\tsi@gap{\tsi@br}%
+    \tsi@appendto{\tsi@thedots}\tsi@thesb
+  \else
+    \def\tsi@gap{\tsi@tr}%
+    \tsi@appendto{\tsi@thedots}\tsi@thesp
+  \fi
+  \let\tsi@bl\tsi@phantom  \let\tsi@br\tsi@phantom
+  \let\tsi@bm\tsi@phantom  \let\tsi@tm\tsi@phantom
+  \def\tsi@tl##1{\tsi@phantom{##1}\global\advance\tsi@dimen\wd\z@}%
+  \iftsi@top
+    \let\tsi@tr\tsi@phantom
+  \else
+    \let\tsi@tr\tsi@tl
+  \fi
+  \iftsi@bot
+    \iftsi@l\let\tsi@bl\tsi@dot\let\tsi@bm\tsi@dot\fi
+    \iftsi@r\let\tsi@br\tsi@dot\let\tsi@bm\tsi@dot\fi
+  \else
+    \iftsi@e\let\tsi@br\tsi@dot\tsi@bottrue\fi
+  \fi
+  \iftsi@b\else
+    \iftsi@top
+      \iftsi@l\let\tsi@tl\tsi@dot\let\tsi@tm\tsi@dot\fi
+      \iftsi@r\let\tsi@tr\tsi@dot\let\tsi@tm\tsi@dot\fi
+    \else
+      \iftsi@e\let\tsi@tr\tsi@dot\tsi@toptrue\fi
+    \fi
+  \fi
+  \ifx\tsi@theprimes\@empty\else\tsi@toptrue\fi
+  \edef\tsi@fam{\fam\the\fam}%
+  \tsi@choice
+    {\tsi@endtensor\displaystyle\scriptstyle}%
+    {\tsi@endtensor\textstyle\scriptstyle}%
+    {\tsi@endtensor\scriptstyle\scriptscriptstyle}%
+    {\tsi@endtensor\scriptscriptstyle\scriptscriptstyle}}
+
+    
+\def\tsi@endtensor#1#2{%
+  \let\tsi@text#1\let\tsi@index#2%
+  \setbox\z@ \hbox{$\tsi@fam\m@th#1\tsi@nucl_{x}$}%
+  \setbox\@ne\hbox{$\tsi@fam\m@th#1\tsi@nucl{}_{x}$}%
+  \tsi@dimen\wd\z@   \advance\tsi@dimen-\wd\@ne  
+  \@tempdimb-\tsi@dimen
+  \setbox\z@ \hbox{$\kern\tsi@dimen\tsi@fam\m@th#2\tsi@thesp$}%
+  \setbox\@ne\hbox{$\tsi@fam\m@th#2\tsi@thesb$}%
+  \setbox\tw@\hbox{$\tsi@fam\m@th#2{\tsi@theprimes}$}%
+  \dp\z@\z@
+  \ifdim\tsi@dimen>\wd\tw@
+    \tsi@dimen\z@
+  \else
+    \advance\tsi@dimen-\wd\tw@
+  \fi
+  \wd\tw@\z@
+  \iftsi@s
+    \ifx\tsi@text\displaystyle
+      \tsi@otrue\tsi@cfalse
+    \else
+      \tsi@ofalse\tsi@ctrue
+    \fi
+  \fi
+  \let\tsi@a\@empty
+  \tsi@nucl
+  \iftsi@bot_{\kern-\tsi@dimen\copy\@ne}%
+    \iftsi@o\tsi@toptrue\else\iftsi@c\tsi@toptrue
+       \ifx\tsi@text\displaystyle\else
+         \def\tsi@a{\raise.1ex}%
+       \fi
+       \kern-\wd\@ne\kern\tsi@dimen
+       \kern\@tempdimb\kern-\scriptspace
+    \fi\fi
+  \fi
+  \iftsi@top^{\tsi@a\box\tw@\kern-\tsi@dimen\tsi@a\box\z@}\fi}
+  
+\def\tsi@phantom#1{%
+  \setbox\tw@\null
+  \setbox\z@\hbox{$\tsi@fam\m@th\tsi@index#1$}%
+  \wd\tw@\wd\z@
+  \box\tw@}%
+
+\def\whenindex#1#2#3{%
+  \expandafter\def\csname tsi@cmd\expandafter\string#1\endcsname{%
+    \def\tsi@theindex{#2}#3}}
+    
+\whenindex{'}{\prime}{}
+
+\def\spadjust#1#2{%
+  \def\tsi@a{#1}%
+  \ifx\tsi@a\tsi@lastindex
+   \iftsi@l\else
+    \iftsi@r\else
+     \ifx\tsi@addindex\tsi@addsp
+      \if\tsi@lastloc b%
+       \protected@edef\tsi@theindex{\mskip#2\thinmuskip\tsi@theindex}%
+      \fi
+     \fi
+    \fi
+   \fi
+  \fi}
+
+\def\sbadjust#1#2{%
+  \def\tsi@a{#1}%
+  \ifx\tsi@a\tsi@lastindex
+   \iftsi@l\else
+    \iftsi@r\else
+     \ifx\tsi@addindex\tsi@addsb
+      \if\tsi@lastloc p%
+       \protected@edef\tsi@theindex{\mskip#2\thinmuskip\tsi@theindex}%
+      \fi
+     \fi
+    \fi
+   \fi
+  \fi}
+  
+
+\def\omitdot{\tsi@nodottrue}
+\def\finishdots{\tsi@nodottrue\let\tsi@nodotfalse\relax}
+
+\catcode`^=\@tempcnta\catcode`_=\@tempcntb