conteq (17jul15)

git-svn-id: svn://tug.org/texlive/trunk@37868 c570f23f-e606-0410-a88d-b1316a301751

6 files changed, 271 insertions, 288 deletions

diff --git a/Master/texmf-dist/doc/latex/conteq/README b/Master/texmf-dist/doc/latex/conteq/README
deleted file mode 100644
index 2fc87fe3fbd..00000000000
--- a/Master/texmf-dist/doc/latex/conteq/README
+++ /dev/null
@@ -1,28 +0,0 @@
-----------------------------------------------------------------
-conteq --- continued equalities
-E-mail: mail@joachim-breitner.de
-Released under the LaTeX Project Public License v1.3c or later
-See http://www.latex-project.org/lppl.txt
-----------------------------------------------------------------
-
-This package allows you to write an continued equality such as
-
-    \begin{conteq}
-    e^{\pi\cdot i} \\
-    = -1 & Euler's formula \\
-    < 0 & this is an inequality \\
-    < \sqrt 3 \\
-    = \int e^{-x^2} dx & this is due to Gauss.
-    \end{conteq}
-
-in a declarative manner and easily switch between various layouts afterwards.
-
-
-
-
-
-
-
-
-
-
diff --git a/Master/texmf-dist/doc/latex/conteq/README.txt b/Master/texmf-dist/doc/latex/conteq/README.txt
index 2fc87fe3fbd..76e477ea1bb 100644
--- a/Master/texmf-dist/doc/latex/conteq/README.txt
+++ b/Master/texmf-dist/doc/latex/conteq/README.txt
@@ -1,6 +1,8 @@
 ----------------------------------------------------------------
 conteq --- continued equalities
 E-mail: mail@joachim-breitner.de
+Source repository: http://git.nomeata.de/?p=conteq.git
+Source repository mirror: https://github.com/nomeata/conteq
 Released under the LaTeX Project Public License v1.3c or later
 See http://www.latex-project.org/lppl.txt
 ----------------------------------------------------------------
@@ -17,12 +19,3 @@ This package allows you to write an continued equality such as
 
 in a declarative manner and easily switch between various layouts afterwards.
 
-
-
-
-
-
-
-
-
-
diff --git a/Master/texmf-dist/doc/latex/conteq/conteq.pdf b/Master/texmf-dist/doc/latex/conteq/conteq.pdf
index a9541929615..2f84eaefee0 100644
--- a/Master/texmf-dist/doc/latex/conteq/conteq.pdf
+++ b/Master/texmf-dist/doc/latex/conteq/conteq.pdf
diff --git a/Master/texmf-dist/source/latex/conteq/conteq.dtx b/Master/texmf-dist/source/latex/conteq/conteq.dtx
index b36696ae23b..07ce18b5a4f 100644
--- a/Master/texmf-dist/source/latex/conteq/conteq.dtx
+++ b/Master/texmf-dist/source/latex/conteq/conteq.dtx
@@ -7,6 +7,8 @@
 ----------------------------------------------------------------
 conteq --- continued equalities
 E-mail: mail@joachim-breitner.de
+Source repository: http://git.nomeata.de/?p=conteq.git
+Source repository mirror: https://github.com/nomeata/conteq
 Released under the LaTeX Project Public License v1.3c or later
 See http://www.latex-project.org/lppl.txt
 ----------------------------------------------------------------
@@ -45,7 +47,7 @@ See http://www.latex-project.org/lppl.txt
 \endpreamble
 \postamble
 
-Copyright (C) 2013 by Joachim Breitner <mail@joachim-breitner.de>
+Copyright (C) 2013,2015 by Joachim Breitner <mail@joachim-breitner.de>
 
 This work may be distributed and/or modified under the
 conditions of the LaTeX Project Public License (LPPL), either
@@ -85,11 +87,11 @@ and the derived files           conteq.ins,
 \fi
 %</internal>
 %<package>\NeedsTeXFormat{LaTeX2e}
-%<package>\RequirePackage{expl3}
+%<package>\RequirePackage{expl3}[2012/07/02]
 %<package>\ProvidesExplPackage
 %<package>  {conteq}              % Package name
-%<package>  {2013/05/23}          % Release date
-%<package>  {0.1}                 % Release version
+%<package>  {2015/07/17}          % Release date
+%<package>  {0.1.1}                 % Release version
 %<package>  {Various layouts for continued equalities} % Description
 %
 %<*driver>
@@ -109,7 +111,7 @@ and the derived files           conteq.ins,
 %
 % \GetFileInfo{\jobname.sty}
 %
-% \CheckSum{166}
+% \CheckSum{175}
 %
 %
 %\title{^^A
@@ -123,6 +125,7 @@ and the derived files           conteq.ins,
 %
 %\maketitle
 %
+%\changes{0.1.1}{2015/07/17}{Stop using deprecated expl3 macros}
 %\changes{0.1}{2013/05/23}{Converted to DTX file}
 %
 %
@@ -156,19 +159,19 @@ and the derived files           conteq.ins,
 % = \int e^{-x^2} dx & this is due to Gauss.
 % \end{conteq}
 %
-% The expressions are typeset in math mode, while the explanation is assumed to be regular text. The curly braces around the explanations come from the default |\ConteqExplanationLayout|.
-
+% The expressions are typeset in math mode, while the explanation is assumed to be regular text. The curly braces around the explanations come from the default |\ConteqExplStyle|.
+%
 % There are other layouts available, which you select with an optional parameter to |\begin{conteq}|, e.g.
 % \begin{verbatim}
 % \begin{conteq}[explline]
 % [..]
 % \end{conteq}
 % \end{verbatim}
-
+%
 % The layouts defined by |conteq| are:
-
+%
 % \paragraph{plain} The default layout, shown above.
-
+%
 % \paragraph{explline} A layout that puts the explanations below the right-hand side of the equalty it is explaining. To be used when the explanations and righ-hand sides are long.
 % \begin{conteq}[explline]
 % e^{\pi\cdot i} \\
@@ -178,7 +181,7 @@ and the derived files           conteq.ins,
 % = \int e^{-x^2} dx & this is due to Gauss.
 % \end{conteq}
 
-
+%
 % \paragraph{headline} Like plain, but the first expression is also vertically aligned with the right-hand sides.
 % \begin{conteq}[headline]
 % e^{\pi\cdot i} \\
@@ -187,7 +190,7 @@ and the derived files           conteq.ins,
 % < \sqrt 3 \\
 % = \int e^{-x^2} dx & this is due to Gauss.
 % \end{conteq}
-
+%
 % \paragraph{onecolumn} A combination of \textbf{explline} and \textbf{headline} that puts everything in one column, for maximum space efficiency.
 % \begin{conteq}[onecolumn]
 % e^{\pi\cdot i} \\
@@ -196,7 +199,7 @@ and the derived files           conteq.ins,
 % < \sqrt 3 \\
 % = \int e^{-x^2} dx & this is due to Gauss.
 % \end{conteq}
-
+%
 % \paragraph{oneline} A layout, more for demonstrational purposes, that ignores the explanations and puts everything in one line.
 % \begin{conteq}[oneline]
 % e^{\pi\cdot i} \\
@@ -205,9 +208,9 @@ and the derived files           conteq.ins,
 % < \sqrt 3 \\
 % = \int e^{-x^2} dx & this is due to Gauss.
 % \end{conteq}
-
+%
 % \DescribeMacro{\ConteqSetDefaultLayout} You can change the default layout using |\ConteqSetDefaultLayout|\marg{layout}
-
+%
 % \section{Defining layouts}
 %
 % \DescribeMacro{\ConteqDefineLayout}
@@ -296,6 +299,8 @@ and the derived files           conteq.ins,
 %
 % One feature that I am considering is an auto-selection of layouts, so when you specify |\begin{conteq}[plain,explline,onecolumn]...\end{conteq}|, it will analyze the table and select, from your list of layouts, the first one that is ``ok'', where ``ok'' would be some layout-specific heuristic taking the size of the expressions and explanations as well as the current |\linewidth| into account. If you think that this would be useful to you, please let me know.
 %
+% You can follow the package's development at \url{http://git.nomeata.de/?p=conteq.git} or the mirror at \url{https://github.com/nomeata/conteq}.
+%
 % \iffalse
 %</layouts>
 % \fi
@@ -305,7 +310,7 @@ and the derived files           conteq.ins,
 %  \PrintIndex
 %}
 %
-
+%
 %
 % \section{Implementation}
 %
@@ -319,39 +324,39 @@ and the derived files           conteq.ins,
 \RequirePackage{amsmath}
 \RequirePackage{environ}
 %    \end{macrocode}
-
+%
 % \subsection{Defining Messages}
 %
 %    \begin{macrocode}
 \msg_new:nnn
-    {conteq}
-    {empty}
-    { \msg_warning_text:n{conteq}:~Empty~conteq~environment~\msg_line_context: }
+    { conteq }
+    { empty }
+    { Empty~conteq~environment~\msg_line_context: }
 
 \msg_new:nnn
-    {conteq}
-    {ignoreddata}
-    { \msg_warning_text:n{conteq}:~Ignored~text~\msg_line_context: }
+    { conteq }
+    { ignoreddata }
+    { Ignored~text~\msg_line_context: }
 
 \msg_new:nnn
-    {conteq}
-    {undefinedlayout}
-    { \msg_critical_text:n{conteq}:~Undefined~layout~``#1''~\msg_line_context: }
+    { conteq }
+    { undefined layout }
+    { Undefined~layout~``#1''~\msg_line_context: }
 %    \end{macrocode}
 
 % \subsection{Declaring local variables}
 %
 %    \begin{macrocode}
-\tl_new:N \l_conteq_default_layout_tl
-\tl_new:N \l_conteq_layout_tl
-\tl_new:N \l_conteq_body_tl
-\tl_new:N \l_conteq_lines_seq
-\tl_new:N \l_conteq_cells_seq
-\tl_new:N \l_conteq_head_tl
-\tl_new:N \l_conteq_lastline_tl
-\tl_new:N \l_conteq_rhs_tl
-\tl_new:N \l_conteq_expl_tl
-\tl_new:N \l_conteq_result_tl
+\tl_new:N \l__conteq_default_layout_tl
+\tl_new:N \l__conteq_layout_tl
+\tl_new:N \l__conteq_body_tl
+\tl_new:N \l__conteq_lines_seq
+\tl_new:N \l__conteq_cells_seq
+\tl_new:N \l__conteq_head_tl
+\tl_new:N \l__conteq_lastline_tl
+\tl_new:N \l__conteq_rhs_tl
+\tl_new:N \l__conteq_expl_tl
+\tl_new:N \l__conteq_result_tl
 %    \end{macrocode}
 
 % \subsection{Layouts}
@@ -359,75 +364,87 @@ and the derived files           conteq.ins,
 % \begin{macro}{\ConteqSetDefaultLayout}
 % The code to set the default layout.
 %    \begin{macrocode}
-\cs_new_protected:Nn \conteq_set_default_layout:n {
-  \tl_set:Nn \l_conteq_default_layout_tl {#1}
-}
-\cs_new_eq:NN \ConteqSetDefaultLayout \conteq_set_default_layout:n
+\cs_new_protected:Nn \__conteq_set_default_layout:n
+  {
+    \tl_set:Nn \l__conteq_default_layout_tl {#1}
+  }
+\cs_new_eq:NN \ConteqSetDefaultLayout \__conteq_set_default_layout:n
 %    \end{macrocode}
 % \end{macro}
 %
 % \begin{macro}{\ConteqDefineLayout}
 % The code to define new layouts.
 %    \begin{macrocode}
-\cs_new_protected:Nn \conteq_define_layout:nnnnnnn {
-  \cs_new_protected:cn {conteq_#1_begin:} { #2 }
-  \cs_new_protected:cn {conteq_#1_lhs:n} { #3 }
-  \cs_new_protected:cn {conteq_#1_rhs_only:n} { #4 }
-  \cs_new_protected:cn {conteq_#1_rhs_expl:nn} { #5 }
-  \cs_new_protected:cn {conteq_#1_nl:} { #6 }
-  \cs_new_protected:cn {conteq_#1_end:} { #7 }
-}
-\cs_new_eq:NN \ConteqDefineLayout \conteq_define_layout:nnnnnnn
+\tl_const:Nn \c__conteq_prefix_tl { __conteq_layouts }
+
+\cs_new_protected:Nn \__conteq_define_layout:nnnnnnn
+  {
+    \cs_new_protected:cn { \c__conteq_prefix_tl _ #1 _begin: } { #2 }
+    \cs_new_protected:cn { \c__conteq_prefix_tl _ #1_lhs:n } { #3 }
+    \cs_new_protected:cn { \c__conteq_prefix_tl _ #1_rhs_only:n } { #4 }
+    \cs_new_protected:cn { \c__conteq_prefix_tl _ #1_rhs_expl:nn } { #5 }
+    \cs_new_protected:cn { \c__conteq_prefix_tl _ #1_nl: } { #6 }
+    \cs_new_protected:cn { \c__conteq_prefix_tl _ #1_end: } { #7 }
+  }
+\cs_new_eq:NN \ConteqDefineLayout \__conteq_define_layout:nnnnnnn
 %    \end{macrocode}
 % \end{macro}
 %
 % \subsection{Expansion utility function}
 % 
-% \begin{macro}{\conteq_args_once:Nn, \conteq_args_once:NV, \conteq_args_once:Nnn, \conteq_args_once:NVV}
+% \begin{macro}{\__conteq_args_once:Nn, \__conteq_args_once:NV, \__conteq_args_once:Nnn, \__conteq_args_once:NVV}
 % For ease of debugging(?) we construct a token list that contains exactly the tokens that a programmer would enter to create the layout manually. For that we need some fine-grained control over expansion.
 %
 %    \begin{macrocode}
-\cs_new:Npn \conteq_args_once:Nn #1#2 {
-   \exp_not:o {#1 {#2}}
-}
-\cs_generate_variant:Nn \conteq_args_once:Nn {NV}
+\cs_new:Npn \__conteq_args_once:Nn #1#2
+  {
+   \exp_not:o { #1 {#2} }
+  }
+\cs_generate_variant:Nn \__conteq_args_once:Nn { NV }
 
-\cs_new:Npn \conteq_args_once:Nnn #1#2#3 {
-   \exp_not:o {#1 {#2}{#3}}
-}
-\cs_generate_variant:Nn \conteq_args_once:Nnn {NVV}
+\cs_new:Npn \__conteq_args_once:Nnn #1#2#3
+  {
+   \exp_not:o { #1 { #2 }{ #3 } }
+  }
+\cs_generate_variant:Nn \__conteq_args_once:Nnn { NVV }
 %    \end{macrocode}
 % \end{macro}
 %
 % \subsection{Main code}
 %
-% \begin{macro}{\conteq_print_line:nn}
+% \begin{macro}{\__conteq_print_line:nn}
 % This macro splits and prints one line of the table. The second argument is either |\\| or, for the last line of the table, empty.
 %    \begin{macrocode}
-\cs_new_protected:Npn \conteq_print_line:Nnn #1#2#3 {
-  \seq_set_split:Nnn \l_conteq_cells_seq { & } {#2}
-  \seq_pop_left:NN \l_conteq_cells_seq \l_conteq_rhs_tl
-  \tl_clear:N \l_conteq_expl_tl
-  \seq_if_empty:NF \l_conteq_cells_seq {
-    \seq_pop_left:NN \l_conteq_cells_seq \l_conteq_expl_tl
-  }
-  \tl_if_blank:VTF \l_conteq_expl_tl {
-    \tl_put_right:Nx #1 {
-      \conteq_args_once:NV \conteq_rhs_only:n \l_conteq_rhs_tl
-    }
-  }{
-    \tl_set:Nx \l_tmpa_tl {\exp_not:N \text {\exp_not:N \ConteqExplStyle {\exp_not:V \l_conteq_expl_tl}}}
-    \tl_put_right:Nx #1 {
-      \conteq_args_once:NVV \conteq_rhs_expl:nn \l_conteq_rhs_tl \l_tmpa_tl
-    }
-  }
-  \seq_if_empty:NF \l_conteq_cells_seq {
-    \msg_warning:nn{conteq}{ignoreddata}
+\cs_new_protected:Npn \__conteq_print_line:Nnn #1#2#3
+  {
+    \seq_set_split:Nnn \l__conteq_cells_seq { & } { #2 }
+    \seq_pop_left:NN \l__conteq_cells_seq \l__conteq_rhs_tl
+    \tl_clear:N \l__conteq_expl_tl
+    \seq_if_empty:NF \l__conteq_cells_seq
+      {
+	\seq_pop_left:NN \l__conteq_cells_seq \l__conteq_expl_tl
+      }
+    \tl_if_blank:VTF \l__conteq_expl_tl
+      {
+	\tl_put_right:Nx #1
+	  {
+	    \__conteq_args_once:NV \__conteq_rhs_only:n \l__conteq_rhs_tl
+	  }
+      }
+      {
+	\tl_set:Nx \l_tmpa_tl { \exp_not:N \text { \exp_not:N \ConteqExplStyle { \exp_not:V \l__conteq_expl_tl } } }
+	\tl_put_right:Nx #1
+	  {
+	    \__conteq_args_once:NVV \__conteq_rhs_expl:nn \l__conteq_rhs_tl \l_tmpa_tl
+          }
+      }
+      \seq_if_empty:NF \l__conteq_cells_seq
+	{
+	  \msg_warning:nn{conteq}{ignoreddata}
+	}
+    \tl_put_right:Nn #1 {#3}
   }
-  \tl_put_right:Nn #1 {#3}
-}
-\cs_generate_variant:Nn \conteq_print_line:Nnn {Nno}
-\cs_generate_variant:Nn \conteq_print_line:Nnn {NVn}
+\cs_generate_variant:Nn \__conteq_print_line:Nnn { Nno, NVn }
 %    \end{macrocode}
 % \end{macro}
 
@@ -436,71 +453,81 @@ and the derived files           conteq.ins,
 %
 % The main environment of the package.
 %    \begin{macrocode}
-\NewEnviron{conteq}[1][\l_conteq_default_layout_tl]{
-  \tl_set:NV \l_conteq_body_tl \BODY
+\NewEnviron{ conteq }[1][ \l__conteq_default_layout_tl ]{
+  \tl_set:NV \l__conteq_body_tl \BODY
   
-  \tl_if_blank:oT \l_conteq_body_tl{
+  \tl_if_blank:oT \l__conteq_body_tl
+    {
       \msg_warning:nn{conteq}{empty}
-  }
+    }
 %    \end{macrocode}
 
 % Figure out the layout to use\ldots
 %    \begin{macrocode}
-  \tl_set:Nn \l_conteq_layout_tl {#1}
+  \tl_set:Nn \l__conteq_layout_tl { #1 }
 %    \end{macrocode}
 % and set the various functions accordingly, if the layout exists.
 %    \begin{macrocode}
-  \cs_if_exist:cTF {conteq_ \l_conteq_layout_tl _ begin:}{
-    \clist_map_inline:nn{begin:, lhs:n,rhs_only:n, rhs_expl:nn, nl:, end:}{
-      \cs_set_eq:cc {conteq_##1}{conteq_\l_conteq_layout_tl _##1}
+  \cs_if_exist:cTF { \c__conteq_prefix_tl _ \l__conteq_layout_tl _ begin: }
+    {
+      \clist_map_inline:nn{ begin:, lhs:n,rhs_only:n, rhs_expl:nn, nl:, end: }
+        {
+          \cs_set_eq:cc { __conteq_ ##1 }{ \c__conteq_prefix_tl _ \l__conteq_layout_tl _ ##1 }
+        }
+    }{
+      \msg_critical:nnx{conteq}{undefined layout}{\l__conteq_layout_tl}
     }
-  }{
-    \msg_critical:nnx{conteq}{undefined layout}{\l_conteq_layout_tl}
-  }
 %    \end{macrocode}
 
 % Split the body into individual lines.
 %    \begin{macrocode}
-  \seq_set_split:NnV \l_conteq_lines_seq { \\ } \l_conteq_body_tl
+  \seq_set_split:NnV \l__conteq_lines_seq { \\ } \l__conteq_body_tl
 
-  \tl_clear:N \l_conteq_result_tl
+  \tl_clear:N \l__conteq_result_tl
 %    \end{macrocode}
 
 % If there is only one line, simply print it.
 %    \begin{macrocode}
 
-  \int_case:nnn {\seq_count:N \l_conteq_lines_seq}
-  {
-    {1} {
-      \tl_put_right:NV \l_conteq_result_tl \conteq_begin:
-      \tl_put_right:NV \l_conteq_result_tl \l_conteq_body_tl
-      \tl_put_right:NV \l_conteq_result_tl \conteq_end:
+  \int_case:nnF { \seq_count:N \l__conteq_lines_seq }
+    {
+      {1}
+        {
+          \tl_put_right:Nx \l__conteq_result_tl { \exp_not:o \__conteq_begin: }
+          \tl_put_right:NV \l__conteq_result_tl \l__conteq_body_tl
+          \tl_put_right:Nx \l__conteq_result_tl { \exp_not:o \__conteq_end: }
+        }
     }
-  }{
+    {
 %    \end{macrocode}
 
-% Otherwise extract the head and the last line, and print each line using |\conteq_print_line:nn|
+% Otherwise extract the head and the last line, and print each line using |\__conteq_print_line:nn|
 %    \begin{macrocode}
-    \seq_pop_left:NN \l_conteq_lines_seq \l_conteq_head_tl
-    \seq_pop_right:NN \l_conteq_lines_seq \l_conteq_lastline_tl
-
-    \tl_put_right:NV \l_conteq_result_tl \conteq_begin:
-    \tl_put_right:Nx \l_conteq_result_tl {
-      \conteq_args_once:NV \conteq_lhs:n \l_conteq_head_tl
-    }
-    \seq_map_inline:Nn \l_conteq_lines_seq {
-      \conteq_print_line:Nno \l_conteq_result_tl {##1} {\conteq_nl:} 
+      \seq_pop_left:NN \l__conteq_lines_seq \l__conteq_head_tl
+      \seq_pop_right:NN \l__conteq_lines_seq \l__conteq_lastline_tl
+
+      \tl_put_right:Nx \l__conteq_result_tl { \exp_not:o \__conteq_begin: }
+      \tl_put_right:Nx \l__conteq_result_tl
+        {
+          \__conteq_args_once:NV \__conteq_lhs:n \l__conteq_head_tl
+        }
+      \seq_map_inline:Nn \l__conteq_lines_seq
+        {
+          \__conteq_print_line:Nno \l__conteq_result_tl { ##1 } { \__conteq_nl: }
+        }
+      \__conteq_print_line:NVn \l__conteq_result_tl \l__conteq_lastline_tl {} 
+      \tl_put_right:Nx \l__conteq_result_tl { \exp_not:o \__conteq_end: }
     }
-    \conteq_print_line:NVn \l_conteq_result_tl \l_conteq_lastline_tl {} 
-    \tl_put_right:No \l_conteq_result_tl \conteq_end:
+    % Use this for debugging
+    %\tl_show:N \l__conteq_result_tl
+    \tl_use:N \l__conteq_result_tl
   }
-  % Use this for debugging
-  %\tl_show:N \l_conteq_result_tl
-  \tl_use:N \l_conteq_result_tl
-}
-\endinput
 %    \end{macrocode}
 %\end{environment}
+%
+%    \begin{macrocode}
+\endinput
+%    \end{macrocode}
 
 %
 % \iffalse
diff --git a/Master/texmf-dist/source/latex/conteq/conteq.ins b/Master/texmf-dist/source/latex/conteq/conteq.ins
index 0fe38724fb3..fcc53d13ed9 100644
--- a/Master/texmf-dist/source/latex/conteq/conteq.ins
+++ b/Master/texmf-dist/source/latex/conteq/conteq.ins
@@ -26,7 +26,7 @@ See http://www.latex-project.org/lppl.txt
 \endpreamble
 \postamble
 
-Copyright (C) 2013 by Joachim Breitner <mail@joachim-breitner.de>
+Copyright (C) 2013,2015 by Joachim Breitner <mail@joachim-breitner.de>
 
 This work may be distributed and/or modified under the
 conditions of the LaTeX Project Public License (LPPL), either
@@ -51,17 +51,8 @@ and the derived files           conteq.ins,
 }
 \endbatchfile
 
-
-
-
-
-
-
-
-
-
 %% 
-%% Copyright (C) 2013 by Joachim Breitner <mail@joachim-breitner.de>
+%% Copyright (C) 2013,2015 by Joachim Breitner <mail@joachim-breitner.de>
 %% 
 %% This work may be distributed and/or modified under the
 %% conditions of the LaTeX Project Public License (LPPL), either
diff --git a/Master/texmf-dist/tex/latex/conteq/conteq.sty b/Master/texmf-dist/tex/latex/conteq/conteq.sty
index 68dbb6e6ce9..1b7f88a6de5 100644
--- a/Master/texmf-dist/tex/latex/conteq/conteq.sty
+++ b/Master/texmf-dist/tex/latex/conteq/conteq.sty
@@ -14,153 +14,154 @@
 %% ----------------------------------------------------------------
 %% 
 \NeedsTeXFormat{LaTeX2e}
-\RequirePackage{expl3}
+\RequirePackage{expl3}[2012/07/02]
 \ProvidesExplPackage
   {conteq}              % Package name
-  {2013/05/23}          % Release date
-  {0.1}                 % Release version
+  {2015/07/17}          % Release date
+  {0.1.1}                 % Release version
   {Various layouts for continued equalities} % Description
 
-
-
-
-
-
-
-
-
-
 \RequirePackage{amsmath}
 \RequirePackage{environ}
-
 \msg_new:nnn
-    {conteq}
-    {empty}
-    { \msg_warning_text:n{conteq}:~Empty~conteq~environment~\msg_line_context: }
+    { conteq }
+    { empty }
+    { Empty~conteq~environment~\msg_line_context: }
 
 \msg_new:nnn
-    {conteq}
-    {ignoreddata}
-    { \msg_warning_text:n{conteq}:~Ignored~text~\msg_line_context: }
+    { conteq }
+    { ignoreddata }
+    { Ignored~text~\msg_line_context: }
 
 \msg_new:nnn
-    {conteq}
-    {undefinedlayout}
-    { \msg_critical_text:n{conteq}:~Undefined~layout~``#1''~\msg_line_context: }
-
-\tl_new:N \l_conteq_default_layout_tl
-\tl_new:N \l_conteq_layout_tl
-\tl_new:N \l_conteq_body_tl
-\tl_new:N \l_conteq_lines_seq
-\tl_new:N \l_conteq_cells_seq
-\tl_new:N \l_conteq_head_tl
-\tl_new:N \l_conteq_lastline_tl
-\tl_new:N \l_conteq_rhs_tl
-\tl_new:N \l_conteq_expl_tl
-\tl_new:N \l_conteq_result_tl
-
-\cs_new_protected:Nn \conteq_set_default_layout:n {
-  \tl_set:Nn \l_conteq_default_layout_tl {#1}
-}
-\cs_new_eq:NN \ConteqSetDefaultLayout \conteq_set_default_layout:n
-\cs_new_protected:Nn \conteq_define_layout:nnnnnnn {
-  \cs_new_protected:cn {conteq_#1_begin:} { #2 }
-  \cs_new_protected:cn {conteq_#1_lhs:n} { #3 }
-  \cs_new_protected:cn {conteq_#1_rhs_only:n} { #4 }
-  \cs_new_protected:cn {conteq_#1_rhs_expl:nn} { #5 }
-  \cs_new_protected:cn {conteq_#1_nl:} { #6 }
-  \cs_new_protected:cn {conteq_#1_end:} { #7 }
-}
-\cs_new_eq:NN \ConteqDefineLayout \conteq_define_layout:nnnnnnn
-\cs_new:Npn \conteq_args_once:Nn #1#2 {
-   \exp_not:o {#1 {#2}}
-}
-\cs_generate_variant:Nn \conteq_args_once:Nn {NV}
+    { conteq }
+    { undefined layout }
+    { Undefined~layout~``#1''~\msg_line_context: }
+
+\tl_new:N \l__conteq_default_layout_tl
+\tl_new:N \l__conteq_layout_tl
+\tl_new:N \l__conteq_body_tl
+\tl_new:N \l__conteq_lines_seq
+\tl_new:N \l__conteq_cells_seq
+\tl_new:N \l__conteq_head_tl
+\tl_new:N \l__conteq_lastline_tl
+\tl_new:N \l__conteq_rhs_tl
+\tl_new:N \l__conteq_expl_tl
+\tl_new:N \l__conteq_result_tl
+
+\cs_new_protected:Nn \__conteq_set_default_layout:n
+  {
+    \tl_set:Nn \l__conteq_default_layout_tl {#1}
+  }
+\cs_new_eq:NN \ConteqSetDefaultLayout \__conteq_set_default_layout:n
+\tl_const:Nn \c__conteq_prefix_tl { __conteq_layouts }
 
-\cs_new:Npn \conteq_args_once:Nnn #1#2#3 {
-   \exp_not:o {#1 {#2}{#3}}
-}
-\cs_generate_variant:Nn \conteq_args_once:Nnn {NVV}
-\cs_new_protected:Npn \conteq_print_line:Nnn #1#2#3 {
-  \seq_set_split:Nnn \l_conteq_cells_seq { & } {#2}
-  \seq_pop_left:NN \l_conteq_cells_seq \l_conteq_rhs_tl
-  \tl_clear:N \l_conteq_expl_tl
-  \seq_if_empty:NF \l_conteq_cells_seq {
-    \seq_pop_left:NN \l_conteq_cells_seq \l_conteq_expl_tl
+\cs_new_protected:Nn \__conteq_define_layout:nnnnnnn
+  {
+    \cs_new_protected:cn { \c__conteq_prefix_tl _ #1 _begin: } { #2 }
+    \cs_new_protected:cn { \c__conteq_prefix_tl _ #1_lhs:n } { #3 }
+    \cs_new_protected:cn { \c__conteq_prefix_tl _ #1_rhs_only:n } { #4 }
+    \cs_new_protected:cn { \c__conteq_prefix_tl _ #1_rhs_expl:nn } { #5 }
+    \cs_new_protected:cn { \c__conteq_prefix_tl _ #1_nl: } { #6 }
+    \cs_new_protected:cn { \c__conteq_prefix_tl _ #1_end: } { #7 }
   }
-  \tl_if_blank:VTF \l_conteq_expl_tl {
-    \tl_put_right:Nx #1 {
-      \conteq_args_once:NV \conteq_rhs_only:n \l_conteq_rhs_tl
-    }
-  }{
-    \tl_set:Nx \l_tmpa_tl {\exp_not:N \text {\exp_not:N \ConteqExplStyle {\exp_not:V \l_conteq_expl_tl}}}
-    \tl_put_right:Nx #1 {
-      \conteq_args_once:NVV \conteq_rhs_expl:nn \l_conteq_rhs_tl \l_tmpa_tl
-    }
+\cs_new_eq:NN \ConteqDefineLayout \__conteq_define_layout:nnnnnnn
+\cs_new:Npn \__conteq_args_once:Nn #1#2
+  {
+   \exp_not:o { #1 {#2} }
+  }
+\cs_generate_variant:Nn \__conteq_args_once:Nn { NV }
+
+\cs_new:Npn \__conteq_args_once:Nnn #1#2#3
+  {
+   \exp_not:o { #1 { #2 }{ #3 } }
   }
-  \seq_if_empty:NF \l_conteq_cells_seq {
-    \msg_warning:nn{conteq}{ignoreddata}
+\cs_generate_variant:Nn \__conteq_args_once:Nnn { NVV }
+\cs_new_protected:Npn \__conteq_print_line:Nnn #1#2#3
+  {
+    \seq_set_split:Nnn \l__conteq_cells_seq { & } { #2 }
+    \seq_pop_left:NN \l__conteq_cells_seq \l__conteq_rhs_tl
+    \tl_clear:N \l__conteq_expl_tl
+    \seq_if_empty:NF \l__conteq_cells_seq
+      {
+\seq_pop_left:NN \l__conteq_cells_seq \l__conteq_expl_tl
+      }
+    \tl_if_blank:VTF \l__conteq_expl_tl
+      {
+\tl_put_right:Nx #1
+  {
+    \__conteq_args_once:NV \__conteq_rhs_only:n \l__conteq_rhs_tl
   }
-  \tl_put_right:Nn #1 {#3}
+      }
+      {
+\tl_set:Nx \l_tmpa_tl { \exp_not:N \text { \exp_not:N \ConteqExplStyle { \exp_not:V \l__conteq_expl_tl } } }
+\tl_put_right:Nx #1
+  {
+    \__conteq_args_once:NVV \__conteq_rhs_expl:nn \l__conteq_rhs_tl \l_tmpa_tl
+          }
+      }
+      \seq_if_empty:NF \l__conteq_cells_seq
+{
+  \msg_warning:nn{conteq}{ignoreddata}
 }
-\cs_generate_variant:Nn \conteq_print_line:Nnn {Nno}
-\cs_generate_variant:Nn \conteq_print_line:Nnn {NVn}
+    \tl_put_right:Nn #1 {#3}
+  }
+\cs_generate_variant:Nn \__conteq_print_line:Nnn { Nno, NVn }
 
-\NewEnviron{conteq}[1][\l_conteq_default_layout_tl]{
-  \tl_set:NV \l_conteq_body_tl \BODY
+\NewEnviron{ conteq }[1][ \l__conteq_default_layout_tl ]{
+  \tl_set:NV \l__conteq_body_tl \BODY
 
-  \tl_if_blank:oT \l_conteq_body_tl{
+  \tl_if_blank:oT \l__conteq_body_tl
+    {
       \msg_warning:nn{conteq}{empty}
-  }
-
-  \tl_set:Nn \l_conteq_layout_tl {#1}
-  \cs_if_exist:cTF {conteq_ \l_conteq_layout_tl _ begin:}{
-    \clist_map_inline:nn{begin:, lhs:n,rhs_only:n, rhs_expl:nn, nl:, end:}{
-      \cs_set_eq:cc {conteq_##1}{conteq_\l_conteq_layout_tl _##1}
     }
-  }{
-    \msg_critical:nnx{conteq}{undefined layout}{\l_conteq_layout_tl}
-  }
-
-  \seq_set_split:NnV \l_conteq_lines_seq { \\ } \l_conteq_body_tl
 
-  \tl_clear:N \l_conteq_result_tl
+  \tl_set:Nn \l__conteq_layout_tl { #1 }
+  \cs_if_exist:cTF { \c__conteq_prefix_tl _ \l__conteq_layout_tl _ begin: }
+    {
+      \clist_map_inline:nn{ begin:, lhs:n,rhs_only:n, rhs_expl:nn, nl:, end: }
+        {
+          \cs_set_eq:cc { __conteq_ ##1 }{ \c__conteq_prefix_tl _ \l__conteq_layout_tl _ ##1 }
+        }
+    }{
+      \msg_critical:nnx{conteq}{undefined layout}{\l__conteq_layout_tl}
+    }
 
+  \seq_set_split:NnV \l__conteq_lines_seq { \\ } \l__conteq_body_tl
 
-  \int_case:nnn {\seq_count:N \l_conteq_lines_seq}
-  {
-    {1} {
-      \tl_put_right:NV \l_conteq_result_tl \conteq_begin:
-      \tl_put_right:NV \l_conteq_result_tl \l_conteq_body_tl
-      \tl_put_right:NV \l_conteq_result_tl \conteq_end:
-    }
-  }{
+  \tl_clear:N \l__conteq_result_tl
 
-    \seq_pop_left:NN \l_conteq_lines_seq \l_conteq_head_tl
-    \seq_pop_right:NN \l_conteq_lines_seq \l_conteq_lastline_tl
 
-    \tl_put_right:NV \l_conteq_result_tl \conteq_begin:
-    \tl_put_right:Nx \l_conteq_result_tl {
-      \conteq_args_once:NV \conteq_lhs:n \l_conteq_head_tl
+  \int_case:nnF { \seq_count:N \l__conteq_lines_seq }
+    {
+      {1}
+        {
+          \tl_put_right:Nx \l__conteq_result_tl { \exp_not:o \__conteq_begin: }
+          \tl_put_right:NV \l__conteq_result_tl \l__conteq_body_tl
+          \tl_put_right:Nx \l__conteq_result_tl { \exp_not:o \__conteq_end: }
+        }
     }
-    \seq_map_inline:Nn \l_conteq_lines_seq {
-      \conteq_print_line:Nno \l_conteq_result_tl {##1} {\conteq_nl:}
+    {
+
+      \seq_pop_left:NN \l__conteq_lines_seq \l__conteq_head_tl
+      \seq_pop_right:NN \l__conteq_lines_seq \l__conteq_lastline_tl
+
+      \tl_put_right:Nx \l__conteq_result_tl { \exp_not:o \__conteq_begin: }
+      \tl_put_right:Nx \l__conteq_result_tl
+        {
+          \__conteq_args_once:NV \__conteq_lhs:n \l__conteq_head_tl
+        }
+      \seq_map_inline:Nn \l__conteq_lines_seq
+        {
+          \__conteq_print_line:Nno \l__conteq_result_tl { ##1 } { \__conteq_nl: }
+        }
+      \__conteq_print_line:NVn \l__conteq_result_tl \l__conteq_lastline_tl {}
+      \tl_put_right:Nx \l__conteq_result_tl { \exp_not:o \__conteq_end: }
     }
-    \conteq_print_line:NVn \l_conteq_result_tl \l_conteq_lastline_tl {}
-    \tl_put_right:No \l_conteq_result_tl \conteq_end:
+    % Use this for debugging
+    %\tl_show:N \l__conteq_result_tl
+    \tl_use:N \l__conteq_result_tl
   }
-  % Use this for debugging
-  %\tl_show:N \l_conteq_result_tl
-  \tl_use:N \l_conteq_result_tl
-}
-
-
-
-
-
-
-
-
 
 
 \ConteqDefineLayout
@@ -210,9 +211,8 @@
     {\]}
 
 \newcommand{\ConteqExplStyle}[1]{\{~#1~\}}
-
 %% 
-%% Copyright (C) 2013 by Joachim Breitner <mail@joachim-breitner.de>
+%% Copyright (C) 2013,2015 by Joachim Breitner <mail@joachim-breitner.de>
 %% 
 %% This work may be distributed and/or modified under the
 %% conditions of the LaTeX Project Public License (LPPL), either