8 files changed, 104 insertions, 91 deletions
diff --git a/Master/texmf-dist/doc/latex/curve2e/README b/Master/texmf-dist/doc/latex/curve2e/README
new file mode 100644
index 00000000000..3b1487bfc2d
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/curve2e/README
@@ -0,0 +1 @@
+Curve2e is an extension package of the pict2e one; it allows to extend the drawing possibilities offered by pict2e so as to draw arbitrary arcs, arc vectors, curves specified with their nodes and the tangents in such nodes.
diff --git a/Master/texmf-dist/doc/latex/curve2e/curve2e.pdf b/Master/texmf-dist/doc/latex/curve2e/curve2e.pdf
index f812e3f1e77..8d213755b92 100644
--- a/Master/texmf-dist/doc/latex/curve2e/curve2e.pdf
+++ b/Master/texmf-dist/doc/latex/curve2e/curve2e.pdf
diff --git a/Master/texmf-dist/source/latex/curve2e/curve2e.dtx b/Master/texmf-dist/source/latex/curve2e/curve2e.dtx
index 0bfb7205754..5b2aeb5e9ca 100644
--- a/Master/texmf-dist/source/latex/curve2e/curve2e.dtx
+++ b/Master/texmf-dist/source/latex/curve2e/curve2e.dtx
@@ -1,12 +1,12 @@
 % \iffalse
 %%
 %% File `curve2e.dtx'.
-%% Copyright (C)  2005 Claudio Beccari  all rights reserved.
+%% Copyright (C)  2005--2006 Claudio Beccari  all rights reserved.
 %%
 % What follows is the usual trick that is not typeset in the documentation
-% dvi file that is produced by LaTeX; It is used to define the date, the version
-% and the short descriptio that characterizes both this file and the package;
-% the point is that |\ProvicesFile| is being read only by the driver, while
+% dvi file that is produced by LaTeX. It is used to define the date, the version
+% and the short description that characterizes both this file and the package;
+% the point is that |\ProvidesFile| is being read only by the driver, while
 % |\ProvidePackage| goes to the stripped package file; It must be done before
 % starting the documentation otherwise |\GetFileInfo|  can't get the necessary
 % information.
@@ -19,7 +19,7 @@
 \ProvidesFile{curve2e.dtx}%
 %</driver>
 %<+package>\ProvidesPackage{curve2e}%
-        [2005/08/15 v.0.10 Extension package for pict2e]
+        [2006/11/20 v.0.20 Extension package for pict2e]
 %<*package>
 %    \end{macrocode}
 %</package>
@@ -43,7 +43,7 @@
 %</driver>
 % \fi
 %
-% \CheckSum{0}
+% \CheckSum{2214}
 % \begin{abstract}
 % This file documents the |curve2e| extension package to the recent
 % implementation of the |pict2e| bundle that has been described by Lamport
@@ -93,11 +93,11 @@
 % numbers; they need not be relatively prime;
 % \item filled and unfilled circles can be of any size;
 % \item ovals can be designed with  any specified corner curvature and there is
-%  virtually no limitation to such curvatures; of course corner radii should not
+% virtually no limitation to such curvatures; of course corner radii should not
 % exceed half the lower value between the base and the hight of the oval;
 % \item there are two shapes for the arrow tips; the triangular one traditional
 % with \LaTeX\ vectors, or the arrow tip with PostScript style.
-% \item the |\linethicknes| command changes the thicknes of all lines, straight,
+% \item the |\linethickness| command changes the thickness of all lines, straight,
 % curved, vertical, horizontal, arrow tipped, et cetera.
 % \end{enumerate}
 %
@@ -196,7 +196,7 @@
 % Next we define some new dimension registers that will be used by the
 % subsequent macros; should they be already defined, there will not be any
 % redefinition; nevertheless the macros should be sufficiently protected so as
-% avoid overwriting register values loaded by other macro fpackages.
+% to avoid overwriting register values loaded by other macro packages.
 %    \begin{macrocode}
 \ifx\undefined\@tdA \newdimen\@tdA \fi
 \ifx\undefined\@tdB \newdimen\@tdB \fi
@@ -251,7 +251,7 @@
   \@linelen #2\unitlength
   \ifdim\@linelen<\z@\@badlinearg\else
 %    \end{macrocode}
-% but as soon as it is verified that the line length is not zero, things
+% but as soon as it is verified that the line length is not negative, things
 % change remarkably; in facts the machinery for complex numbers is invoked:
 % |\DirOfVect| takes the only macro argument (that actually contains a comma
 % separated pair of fractional numbers) and copies it to |\Dir@line| (an
@@ -276,7 +276,7 @@
     \fi
 %    \end{macrocode}
 %  Finally the \texttt{moveto}, \texttt{lineto} and \texttt{stroke} language
-% keywords are involed by means of the internal \texttt{pict2e} commands in
+% keywords are invoked by means of the internal \texttt{pict2e} commands in
 % order to draw the line. Notice that even vertical lines are drawn with the
 % ``PostScript'' commands instead of resorting to the dvi low level language
 % that was used both in \texttt{pict2e} and in the original \texttt{picture}
@@ -304,7 +304,7 @@
 % The redifinitions and the new definitions for vectors are a little more
 % complicated than with segments, because each vector is drawn as a filled
 % contour; the original \texttt{pict2e} macro checks if the slopes are
-% corrsponding to the limitations specified by Lamport (integer three digit
+% corresponding to the limitations specified by Lamport (integer three digit
 % signed numbers) and sets up a transformation in order to make it possible to
 % draw each vector as an horizontal left-to-right arrow and then to rotate it by
 % its angle about its tail point; actually there are two macros for tracing the
@@ -357,7 +357,7 @@
 % to get the vector total length; we have to divide by the cosine of the vector
 % inclination wich is the real part of the vector direction. I use my division
 % macro; since it yields a ``factor'' I directly use it to scale the lenght of
-% the vector. I finally memorize the true vector lenth in the internal
+% the vector. I finally memorize the true vector length in the internal
 % dimension |@tdB|
 %    \begin{macrocode}
         \ifdim\d@mX\p@=\z@
@@ -384,7 +384,7 @@
 % Now we can restore the stem lenght that must be shortened by the dimension of
 % the arrow; examinimng the documentation of \texttt{pict2e} we discover that
 % we have to shorten it by an approximate amount of $AL$ (with the notations of
-% \texttt{pict2e}, figs~10 and~11); the arrow tip paramenters are stored in
+% \texttt{pict2e}, figs~10 and~11); the arrow tip parameters are stored in
 % certain variables with which we can determine the amount of the stem
 % shortening; if the stem was too short and the new length is negative, we
 % refrain from designing such stem.
@@ -404,17 +404,21 @@
 % or the $l_x$ lenght component; the way the new |\vector| macro works does not
 % actually  require this specification, because \TeX\ can compute the vector
 % length, provided the two direction components are exacly the horizontal and
-% vertical vector components.
+% vertical vector components. If the horizontal component is zero, the actual lenght
+% must be specified as the vertical component.
 %    \begin{macrocode}
-\def\Vector(#1,#2){\vector(#1,#2){#1}}
+\def\Vector(#1,#2){%
+\ifdim#1\p@=\z@\vector(#1,#2){#2}
+\else
+\vector(#1,#2){#1}\fi}
 %    \end{macrocode}
 %
 % On the opposite the next macro specifies a vector by means of the coordinates
 % of its end points; the first point is where the vector starts, and the second
-% point is  the arrow side.
+% point is  the arrow tip side. We need the difference as these two coordinates,because % it  represents the actual vector.
 %    \begin{macrocode}
 \def\VECTOR(#1)(#2){\begingroup
-\SubVect#1 from #2 to \@tempa
+\SubVect#1from#2to\@tempa
 \expandafter\put\expandafter(#1){\expandafter\Vector\expandafter(\@tempa)}%
 \endgroup\ignorespaces}
 %    \end{macrocode}
@@ -848,7 +852,7 @@
    \@tempcnta=5\relax
    \@whilenum\@tempcnta>\z@\do{\DividE\@tempdima by\@tempdimb to\@T
    \advance\@tempdimb \@T\p@ \@tempdimb=.5\@tempdimb
-   \advance\@tempcnta\m@ne}%\
+   \advance\@tempcnta\m@ne}%
    \@tempdimc=\@T\@tempdimc
 \fi
 \Numero#2\@tempdimc
@@ -992,7 +996,9 @@
 %    \end{macrocode}
 %
 % \subsection{Arcs and curved vectors}
-% We are now in the position of really doing graphic work We start with tracing
+% We are now in the position of really doing graphic work.
+% \subsubsection{Arcs}
+% We start with tracing
 % a circular arc of arbitrary center, arbitrary starting point and arbitrary
 % aperture; The first macro checks the aperture; if this is not zero it
 % actually proceeds with the necessary computations, otherwise it does
@@ -1052,7 +1058,7 @@
 \def\@@Arc{%
 \pIIe@moveto{\@pPunX\unitlength}{\@pPunY\unitlength}%
 %    \end{macrocode}
-% If the aperture is larger than $180^\circ$ it traces a semicircle in thr
+% If the aperture is larger than $180^\circ$ it traces a semicircle in the
 % right direction and correspondingly reduces the overall aperture.
 %    \begin{macrocode}
 \ifdim\@tdA>180\p@
@@ -1072,14 +1078,14 @@
   \CopyVect\@sPun to\@pPun
 \fi
 %    \end{macrocode}
-% If the remaining aperture is not zero it contiues tracing the rest of the arc.
+% If the remaining aperture is not zero it continues tracing the rest of the arc.
 % Here we need the extrema of the arc and the coordinates of the control points
 % of the B�zier cubic spline that traces the arc. The control points lay on the
-% perpendicular to the vectors that join the arc center to the stating
+% perpendicular to the vectors that join the arc center to the starting
 % and end points respectively. Their distance $K$ from the adiacent nodes is
 % determined with the formula
 % \[
-% K= \frac{4}{3}(1-\cos\theta)R
+% K= \frac{4}{3}\,\frac{1-\cos\theta}{\sin\theta}R
 % \]
 % where $\theta$ is half the arc aperture and $R$ is its radius.
 %    \begin{macrocode}
@@ -1118,12 +1124,13 @@
 \fi}
 %    \end{macrocode}
 %
+% \subsubsection{Arc vectors}
 % We exploit much of the above definitions for the |\Arc| macro for drawing
 % circular arcs with an arrow at one or both ends; the first macro
 % |\VerctorArc| draws an arrow at the ending point of the arc; the second macro
 % |\VectorARC| draws arrows at both ends; the arrows have the same shape as
 % those for vectors; actually they are drawn by putting a vector of zero
-% length at the proper arc end(s), thereore they are styled as traditional or
+% length at the proper arc end(s), therefore they are styled as traditional or
 % PostScript arrows according to the option of the \texttt{pict2e} package.
 %
 % But the specific drawing done here shortens the arc so as not to overlap on
@@ -1139,8 +1146,8 @@
 % attached;(d) tiltilng the arrow tip by half its angular amplitude; (e)
 % determining the resulting position and direction of the arrow tip so as to
 % draw a zero length vector; (f) possibly repeating the same procedure for the
-% other end of the arc; shortening the total arc angular amplitude by the
-% amount of the  arrow tip(s) already set, and then drawing the final circular
+% other end of the arc; (g) shortening the total arc angular amplitude by the
+% amount of the  arrow tip(s) already set, and (h) then drawing the final circular
 % arc that joins the starting point to the final arrow or one arrow to the other
 % one.
 %
@@ -1161,13 +1168,17 @@
 %    \end{macrocode}
 %  The single arrowed arc is defined with the following long macro where all the
 % described operations are performed more or less in the described succession;
-% probably the macro requires a little cleaning, but since it work fine I did
+% probably the macro requires a little cleaning, but since it works fine I did
 % not try to optimize it for time or number of tokens. The final part of the
 % macro is almost identical to that of the plain arc; the beginning also is
-% quite similar; The central part is dedicated to the positioning of the arrow
+% quite similar. The central part is dedicated to the positioning of the arrow
 % tip and to the necessary calculations for determining the tip tilt and the
-% reduction of the total arc length. The already defined |\@@Arc| macro actually
-% draws the curved vector stem without stroking it.
+% reduction of the total arc length;pay attention that the arrow length, stored in 
+% |\@tdE| is a real length, while the radius stored in |\@Raggio| is just a multiple
+% of the |\unitlength|, so that the division (that yields a good angular approximation
+% to the arrow length as seen from the center of the arc) must be done with real
+% lengths. The already defined |\@@Arc| macro actually draws the curved vector
+% stem without stroking it.
 %    \begin{macrocode}
 \def\@VArc(#1)(#2){%
 \ifdim\@tdA>\z@
@@ -1183,8 +1194,7 @@
 \fi
 \SubVect#1from#2to\@V \ModOfVect\@V to\@Raggio \CopyVect#2to\@pPun
 \@tdE=\pIIe@FAW\@wholewidth \@tdE=\pIIe@FAL\@tdE
-\Numero\@Freccia\@tdE
-\DividE\@Freccia\p@ by \@Raggio\p@ to\DeltaGradi
+\DividE\@tdE by \@Raggio\unitlength to\DeltaGradi
 \@tdD=\DeltaGradi\p@
 \@tdD=57.29578\@tdD \Numero\DeltaGradi\@tdD
 \@tdD=\ifx\Segno--\fi\@gradi\p@ \Numero\@tempa\@tdD
@@ -1226,8 +1236,7 @@
 \fi
 \SubVect#1from#2to\@V \ModOfVect\@V to\@Raggio \CopyVect#2to\@pPun
 \@tdE=\pIIe@FAW\@wholewidth \@tdE=0.8\@tdE
-\Numero\@Freccia\@tdE
-\DividE\@Freccia\p@ by \@Raggio\p@ to\DeltaGradi
+\DividE\@tdE by \@Raggio\unitlength to\DeltaGradi
 \@tdD=\DeltaGradi\p@ \@tdD=57.29578\@tdD \Numero\DeltaGradi\@tdD
 \@tdD=\ifx\Segno--\fi\@gradi\p@ \Numero\@tempa\@tdD
 \DirFromAngle\@tempa to\@Dir
diff --git a/Master/texmf-dist/source/latex/curve2e/curve2e.ins b/Master/texmf-dist/source/latex/curve2e/curve2e.ins
index 037eca128ef..b16bd21a1c0 100644
--- a/Master/texmf-dist/source/latex/curve2e/curve2e.ins
+++ b/Master/texmf-dist/source/latex/curve2e/curve2e.ins
@@ -1,42 +1,42 @@
-%%
-%% --------------- start of docstrip commands ------------------
-%%
-\def\batchfile{curve2e.ins}
-\input docstrip.tex
-\preamble
-
-Copyright 2005 Claudio Beccari All rights reserved.
-
- This system is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-
-IMPORTANT NOTICE:
-
-This work may be distributed and/or modified under the
-conditions of the LaTeX Project Public License, either version 1.3
-of this license or (at your option) any later version.
-The latest version of this license is in
-  http://www.latex-project.org/lppl.txt
-and version 1.3 or later is part of all distributions of LaTeX
-version 2003/12/01 or later.
-
-This work has the LPPL maintenance status "author-maintained".
-
-This work consists of all files listed in manifest.txt.
-
-
-If you receive only some of these files from someone, complain!
-
-\endpreamble
-\def\batchfile{curve2e.dst}      % ignored in distribution
-\input docstrip.tex           % ignored in distribution
-
-\keepsilent
-
-\Msg{*** Generating package curve2e ***}
-
-\generateFile{curve2e.sty}{t}{\from{curve2e.dtx}{package}}
-
-\endinput
+%%
+%% --------------- start of docstrip commands ------------------
+%%
+\def\batchfile{curve2e.ins}
+\input docstrip.tex
+\preamble
+
+Copyright 2005 Claudio Beccari All rights reserved.
+
+ This system is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+
+IMPORTANT NOTICE:
+
+This work may be distributed and/or modified under the
+conditions of the LaTeX Project Public License, either version 1.3
+of this license or (at your option) any later version.
+The latest version of this license is in
+  http://www.latex-project.org/lppl.txt
+and version 1.3 or later is part of all distributions of LaTeX
+version 2003/12/01 or later.
+
+This work has the LPPL maintenance status "author-maintained".
+
+This work consists of all files listed in manifest.txt.
+
+
+If you receive only some of these files from someone, complain!
+
+\endpreamble
+\def\batchfile{curve2e.dst}      % ignored in distribution
+\input docstrip.tex           % ignored in distribution
+
+\keepsilent
+
+\Msg{*** Generating package curve2e ***}
+
+\generateFile{curve2e.sty}{t}{\from{curve2e.dtx}{package}}
+
+\endinput
diff --git a/Master/texmf-dist/tex/latex/curve2e/curve2e.sty b/Master/texmf-dist/tex/latex/curve2e/curve2e.sty
index e01f0e2d27b..cbd3c1f2fc3 100644
--- a/Master/texmf-dist/tex/latex/curve2e/curve2e.sty
+++ b/Master/texmf-dist/tex/latex/curve2e/curve2e.sty
@@ -32,11 +32,11 @@
 %% 
 %%
 %% File `curve2e.dtx'.
-%% Copyright (C)  2005 Claudio Beccari  all rights reserved.
+%% Copyright (C)  2005--2006 Claudio Beccari  all rights reserved.
 %%
 \NeedsTeXFormat{LaTeX2e}
 \ProvidesPackage{curve2e}%
-        [2005/08/15 v.0.10 Extension package for pict2e]
+        [2006/11/20 v.0.20 Extension package for pict2e]
 \RequirePackage{color}
 \RequirePackageWithOptions{pict2e}[2004/06/01]
 \ifcase\pIIe@mode\relax
@@ -115,9 +115,12 @@
         \pIIe@lineto{\@xnum\@linelen}{\@ynum\@linelen}%
         \pIIe@strokeGraph\fi
     \endgroup}
-\def\Vector(#1,#2){\vector(#1,#2){#1}}
+\def\Vector(#1,#2){%
+\ifdim#1\p@=\z@\vector(#1,#2){#2}
+\else
+\vector(#1,#2){#1}\fi}
 \def\VECTOR(#1)(#2){\begingroup
-\SubVect#1 from #2 to \@tempa
+\SubVect#1from#2to\@tempa
 \expandafter\put\expandafter(#1){\expandafter\Vector\expandafter(\@tempa)}%
 \endgroup\ignorespaces}
 \let\lp@r( \let\rp@r)
@@ -305,7 +308,7 @@
    \@tempcnta=5\relax
    \@whilenum\@tempcnta>\z@\do{\DividE\@tempdima by\@tempdimb to\@T
    \advance\@tempdimb \@T\p@ \@tempdimb=.5\@tempdimb
-   \advance\@tempcnta\m@ne}%\
+   \advance\@tempcnta\m@ne}%
    \@tempdimc=\@T\@tempdimc
 \fi
 \Numero#2\@tempdimc
@@ -468,8 +471,7 @@
 \fi
 \SubVect#1from#2to\@V \ModOfVect\@V to\@Raggio \CopyVect#2to\@pPun
 \@tdE=\pIIe@FAW\@wholewidth \@tdE=\pIIe@FAL\@tdE
-\Numero\@Freccia\@tdE
-\DividE\@Freccia\p@ by \@Raggio\p@ to\DeltaGradi
+\DividE\@tdE by \@Raggio\unitlength to\DeltaGradi
 \@tdD=\DeltaGradi\p@
 \@tdD=57.29578\@tdD \Numero\DeltaGradi\@tdD
 \@tdD=\ifx\Segno--\fi\@gradi\p@ \Numero\@tempa\@tdD
@@ -505,8 +507,7 @@
 \fi
 \SubVect#1from#2to\@V \ModOfVect\@V to\@Raggio \CopyVect#2to\@pPun
 \@tdE=\pIIe@FAW\@wholewidth \@tdE=0.8\@tdE
-\Numero\@Freccia\@tdE
-\DividE\@Freccia\p@ by \@Raggio\p@ to\DeltaGradi
+\DividE\@tdE by \@Raggio\unitlength to\DeltaGradi
 \@tdD=\DeltaGradi\p@ \@tdD=57.29578\@tdD \Numero\DeltaGradi\@tdD
 \@tdD=\ifx\Segno--\fi\@gradi\p@ \Numero\@tempa\@tdD
 \DirFromAngle\@tempa to\@Dir
diff --git a/Master/texmf-dist/tpm/active-conf.tpm b/Master/texmf-dist/tpm/active-conf.tpm
index 00625675f47..7f0f425bef8 100644
--- a/Master/texmf-dist/tpm/active-conf.tpm
+++ b/Master/texmf-dist/tpm/active-conf.tpm
@@ -3,7 +3,7 @@
   <rdf:Description about="http://texlive.dante.de/texlive/Package/active-conf.zip">
     <TPM:Name>active-conf</TPM:Name>
     <TPM:Type>Package</TPM:Type>
-    <TPM:Date>2006/09/07 23:38:49</TPM:Date>
+    <TPM:Date>2006/11/25 00:53:50</TPM:Date>
     <TPM:Version></TPM:Version>
     <TPM:Creator>karl</TPM:Creator>
     <TPM:Title>The active-conf package.</TPM:Title>
diff --git a/Master/texmf-dist/tpm/curve2e.tpm b/Master/texmf-dist/tpm/curve2e.tpm
index abad5bdeeac..e269efd6cc8 100644
--- a/Master/texmf-dist/tpm/curve2e.tpm
+++ b/Master/texmf-dist/tpm/curve2e.tpm
@@ -3,7 +3,7 @@
   <rdf:Description about="http://texlive.dante.de/texlive/Package/curve2e.zip">
     <TPM:Name>curve2e</TPM:Name>
     <TPM:Type>Package</TPM:Type>
-    <TPM:Date>2006/07/24 16:33:36</TPM:Date>
+    <TPM:Date>2005/08/28 09:58:20</TPM:Date>
     <TPM:Version></TPM:Version>
     <TPM:Creator>karl</TPM:Creator>
     <TPM:Title>The curve2e package.</TPM:Title>
@@ -11,15 +11,16 @@
     <TPM:Author></TPM:Author>
     <TPM:Size>316256</TPM:Size>
     <TPM:Build/>
-    <TPM:RunFiles size="22708">
+    <TPM:RunFiles size="22712">
 texmf-dist/tex/latex/curve2e/curve2e.sty
 texmf-dist/tpm/curve2e.tpm
     </TPM:RunFiles>
-    <TPM:DocFiles size="221395">
+    <TPM:DocFiles size="221280">
+texmf-dist/doc/latex/curve2e/README
 texmf-dist/doc/latex/curve2e/curve2e.pdf
 texmf-dist/doc/latex/curve2e/manifest.txt
     </TPM:DocFiles>
-    <TPM:SourceFiles size="72153">
+    <TPM:SourceFiles size="72807">
 texmf-dist/source/latex/curve2e/curve2e.dtx
 texmf-dist/source/latex/curve2e/curve2e.ins
     </TPM:SourceFiles>
diff --git a/Master/texmf/lists/curve2e b/Master/texmf/lists/curve2e
index 7b7c7c62b57..3cdff2d2b06 100644
--- a/Master/texmf/lists/curve2e
+++ b/Master/texmf/lists/curve2e
@@ -1,3 +1,4 @@
+texmf-dist/doc/latex/curve2e/README
 texmf-dist/doc/latex/curve2e/curve2e.pdf
 texmf-dist/doc/latex/curve2e/manifest.txt
 texmf-dist/source/latex/curve2e/curve2e.dtx