From 6311db5eab343592f05dd142aa7de2f710b58580 Mon Sep 17 00:00:00 2001
From: Karl Berry <karl@freefriends.org>
Date: Fri, 20 Jan 2012 23:00:51 +0000
Subject: cleveref 0.18.3 (19jan12)

git-svn-id: svn://tug.org/texlive/trunk@25162 c570f23f-e606-0410-a88d-b1316a301751
---
 .../texmf-dist/source/latex/cleveref/cleveref.dtx  | 77 ++++++++++++++++++----
 1 file changed, 66 insertions(+), 11 deletions(-)

(limited to 'Master/texmf-dist/source/latex')

diff --git a/Master/texmf-dist/source/latex/cleveref/cleveref.dtx b/Master/texmf-dist/source/latex/cleveref/cleveref.dtx
index 24201299088..ae5514f82f7 100644
--- a/Master/texmf-dist/source/latex/cleveref/cleveref.dtx
+++ b/Master/texmf-dist/source/latex/cleveref/cleveref.dtx
@@ -1,5 +1,5 @@
-\def\packagedate{2012/01/17}
-\def\packageversion{0.18.2}
+\def\packagedate{2012/01/18}
+\def\packageversion{0.18.3}
 % \iffalse meta-comment
 %
 % Package 'cleveref' to use with LaTeX2e
@@ -56,7 +56,7 @@
 %</driver>
 % \fi
 %
-% \CheckSum{18176}
+% \CheckSum{18207}
 %% \CharacterTable
 %%  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
 %%   Lower-case    \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
@@ -259,6 +259,8 @@
 %   code in format-definition macros into separate
 %   \textbackslash{}\cref@othervariant macro. Added
 %   \package{IEEEtrantools} support.}
+% \changes{v0.18.3}{2012/01/18}{Fixed bugs with multiple equations and
+%   subequations in an \textbackslash{}IEEEeqnarray.}
 %
 % \GetFileInfo{cleveref.sty}
 %
@@ -5760,9 +5762,11 @@
 %
 % \subsubsection{\package{IEEEtrantools} support}
 % \begin{macro}{IEEEtrantools}
-%   The \cmd{IEEEeqnarray} environment calls \cmd{\stepcounter} instead
-%   of \cmd{\refstepcounter} to increment the |equation| counter, so it
-%   fails to set the cross-reference type for \package{cleveref}.
+%   The |IEEEeqnarray| environment and \cmd{\IEEEeqnarraccr} command call
+%   \cmd{\stepcounter} instead of \cmd{\refstepcounter} to increment the
+%   equation counters, so they fail to set the cross-reference type for
+%   \package{cleveref}. We patch in calls to \cmd{\refstepcounter} to fix
+%   this.
 %    \begin{macrocode}
 \@ifpackageloaded{IEEEtrantools}{%
   \PackageInfo{cleveref}{`IEEEtrantools' support loaded}
@@ -5770,19 +5774,70 @@
 %
 % \begin{macro}{\@@IEEEeqnarray}
 %   Rather than copying the whole of \cmd{\@@IEEEeqnarray} just to patch
-%   one line (which would be liable to breakage), we insert an extra step
-%   which calls \cmd{\refstepcounter} to set the cross-reference type,
-%   then decrements the |equation| counter by one, before calling the
-%   original \cmd{\@@IEEEeqnarray}.
+%   the \cmd{\stepcounter} line (which would be fragile and liable to
+%   breakage), we insert an extra step which calls \cmd{\refstepcounter}
+%   to set the cross-reference type, then decrements the |equation|
+%   counter by one, before calling the original \cmd{\@@IEEEeqnarray}.
 %    \begin{macrocode}
   \let\cref@orig@@IEEEeqnarray\@@IEEEeqnarray
   \def\@@IEEEeqnarray[#1]#2{%
     \refstepcounter{equation}%
     \addtocounter{equation}{-1}%
     \cref@orig@@IEEEeqnarray[#1]{#2}}
-}{}% end of \@ifpackageloaded{IEEEtrantools}
 %    \end{macrocode}
 % \end{macro}
+%
+% We do the same thing with \cmd{\@IEEEeqnarrayXCR}, the last in the
+% chain of macros that gets invoked by |\\| (let to
+% \cmd{\IEEEeqnarraycr}) within |IEEEeqnarray| environments.
+% \begin{macro}{\@IEEEeqnarrayXCR}
+%    \begin{macrocode}
+  \let\cref@orig@IEEEeqnarrayXCR\@IEEEeqnarrayXCR
+  \def\@IEEEeqnarrayXCR[#1]{%
+    \if@eqnsw%
+      \if@IEEEissubequation%
+        %\addtocounter{equation}{1}%
+        \refstepcounter{IEEEsubequation}%
+        \addtocounter{IEEEsubequation}{-1}%
+      \else%
+        \refstepcounter{equation}%
+        \addtocounter{equation}{-1}%
+      \fi%
+    \fi%
+  \cref@orig@IEEEeqnarrayXCR[#1]}
+%    \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\IEEEyessubnumber}
+%   And again for \cmd{IEEEyessubnumber} (used to turn an equation into a
+%   subequation).
+%    \begin{macrocode}
+  \let\cref@orig@IEEEyessubnumber\IEEEyessubnumber
+  \def\IEEEyessubnumber{%
+    \if@IEEEeqnarrayISinner%
+      \if@IEEElastlinewassubequation\else%
+        \setcounter{IEEEsubequation}{0}%
+        \refstepcounter{IEEEsubequation}%
+      \fi%
+    \fi%
+    \cref@orig@IEEEyessubnumber}
+%    \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{IEEEsubequation}
+%   To get the subequation formatting right, we harmlessly add the
+%   |IEEEsubequation| counter to the |equation| counter reset list so
+%   that \package{cleveref} can figure out the subnumbering relationship,
+%   and define |IEEEsubequation| to be an alias of the |equation| format.
+%    \begin{macrocode}
+  \@addtoreset{IEEEsubequation}{equation}%
+  \crefalias{IEEEsubequation}{equation}%
+%    \end{macrocode}
+% \end{macro}
+%
+%    \begin{macrocode}
+}{}% end of \@ifpackageloaded{IEEEtrantools}
+%    \end{macrocode}
 % \end{macro}
 %
 %
-- 
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