memoir 1.6180339f (15jul09)

git-svn-id: svn://tug.org/texlive/trunk@14286 c570f23f-e606-0410-a88d-b1316a301751

3 files changed, 264 insertions, 50 deletions

diff --git a/Master/texmf-dist/source/latex/memoir/memoir.dtx b/Master/texmf-dist/source/latex/memoir/memoir.dtx
index 51c77c81488..5a05f2e6a4f 100644
--- a/Master/texmf-dist/source/latex/memoir/memoir.dtx
+++ b/Master/texmf-dist/source/latex/memoir/memoir.dtx
@@ -18,7 +18,7 @@
 % This work consists of the files listed in the README file.
 % 
 % \fi
-% \CheckSum{27993}
+% \CheckSum{28128}
 %
 % \changes{v0.1}{2001/05/20}{First public alpha release}
 % \changes{v0.2}{2001/06/03}{First beta release}
@@ -73,6 +73,11 @@
 % \changes{v1.6180339c}{2009/01/25}{A few more}
 % \changes{v1.6180339d}{2009/02/04}{Fixed a bug in the running
 %                                   head/foot widths}
+% \changes{v1.6180339f}{2009/03/16}{Start of `f' version.}
+% \changes{v1.6180339f}{2009/03/16}{Fixed problem with companion pagestyle
+%                                   and added 2 col Toc}
+% \changes{v1.6180339f}{2009/04/25}{Extended description lists}
+% \changes{v1.6180339f}{2009/07/12}{Added three \cs{memlet...} macros}
 %
 % \def\dtxfile{memoir.dtx}
 %
@@ -103,6 +108,7 @@
 % \def\fileversion{v1.6180339c}  \def\filedate{2009/01/25}
 % \def\fileversion{v1.6180339d}  \def\filedate{2009/02/04}
 % \def\fileversion{v1.6180339e}  \def\filedate{2009/02/06}
+% \def\fileversion{v1.6180339f}  \def\filedate{2009/07/12}
 % \title{The LaTeX \Lpack{memoir} class for configurable book 
 %        typesetting: Source code\thanks{This
 %        file (\texttt{\dtxfile}) has version number \fileversion, last revised
@@ -110,7 +116,8 @@
 %
 % \author{%
 % Peter Wilson\thanks{\texttt{herries dot press at earthlink dot net}}\\
-% Herries Press}
+% Herries Press \\
+% (with the assistance of Lars Madsen)}
 % \date{\filedate}
 % \maketitle
 %
@@ -323,7 +330,7 @@
 %    Announce the name, option files and version for LaTeX2e files:
 %    \begin{macrocode}
 %<class>\ProvidesClass{memoir}%
-%<class>  [2009/02/06 v1.6180339e configurable book, report, article document class]
+%<class>  [2009/07/12 v1.6180339f configurable book, report, article document class]
 %<9pt>\ProvidesFile{mem9.clo}%
 %<9pt>             [2008/01/30 v0.4 memoir class 9pt size option]
 %<10pt>\ProvidesFile{mem10.clo}%
@@ -630,6 +637,25 @@
 % \end{macro}
 % \end{macro}
 %
+% \begin{macro}{\memletcmdtxt}
+% \begin{macro}{\memlettxttxt}
+% \begin{macro}{\memlettxtcmd}
+% More utility macros (for the user but perhaps better not to tell them about
+% it in the manual) \\
+% \verb?\memletcmdtxt{\cmd}{txt}  -> \let\cmd\txt? \\
+% \verb?\memlettxttxt{txta}{txtb} -> \let\txta\txtb? \\
+% \verb?\memlettxtcmd{txt}{\cmd}  -> \let\txt\cmd? \\
+% \changes{v1.6180339f}{2009/06/25}{Added \cs{memletcmdtxt}, \cs{memlettxttxt}
+%        and \cs{memlettxtcmd}}
+%    \begin{macrocode}
+\newcommand*{\memletcmdtxt}[2]{\expandafter\let\expandafter#1\csname#2\endcsname}
+\newcommand*{\memlettxttxt}[1]{\expandafter\memletcmdtxt\csname#1\endcsname}
+\newcommand*{\memlettxtcmd}[2]{\expandafter\let\csname#1\endcsname#2}
+%    \end{macrocode}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+%
 % \begin{macro}{\@nameedef}
 % A shorthand for using \cs{protected@edef}.
 %    \begin{macrocode}
@@ -2175,6 +2201,26 @@
 %    \end{macrocode}
 %
 %
+% \changes{v1.6180339f}{2009/07/12}{Added dead man switch for etex}
+% \subsection{ETeX}
+% 
+% If found we automatically load the eTeX package right after
+% executing the class options. Though, some odd \LaTeX\ installations
+% may have the eTeX pacakge, but is not based on eTeX (eventhough that
+% is what the LaTeX-project have recommended for several years now),
+% so we add a dead mans switch to disable the loading.
+% \begin{mode}{\ifmem@noetex}
+%    \begin{macrocode}
+\newif\ifmem@noetex
+\DeclareOption{noetex}{\mem@noetextrue}
+
+%    \end{macrocode}
+% \end{mode}
+% 
+%
+% 
+%
+%
 % \section{Executing Options} \label{sec:xopt}
 %
 %    Here we execute the default options to initialize certain
@@ -2207,7 +2253,13 @@
   \fi
 
 %    \end{macrocode}
-%
+% Load the eTeX package if found, and if the user has not explicitly
+% asked us not to.
+%    \begin{macrocode}
+\ifmem@noetex\relax\else
+  \IfFileExists{etex.sty}{\RequirePackage{etex}}{}
+\fi
+%    \end{macrocode}
 % \begin{macro}{\memoirpostopthook}
 % A user could define this \emph{before} the \cs{documentclass} command
 % to do something at this point. For example, to set up a new stock size: \\
@@ -4640,7 +4692,12 @@
 %    \begin{macrocode}
   \@settopoint\textwidth
   \@settopoint\oddsidemargin
-  \@settopoint\evensidemargin}
+  \@settopoint\evensidemargin
+%    \end{macrocode}
+% Fix standard page layouts after possible change of \cs{textwidth}.
+% \changes{v1.6180339f}{2009/03/16}{Added \cs{fixheaderwidths} to \cs{fixthelayout}}
+%    \begin{macrocode}
+  \fixheaderwidths}
 
 %    \end{macrocode}
 % \end{macro}
@@ -5357,9 +5414,9 @@
 % \begin{macro}{\makeheadfootvposition}
 %   The headers and footers are typeset inside \cs{parbox}'es, using
 %   \cs{makeheadfootvposition}\marg{style}\marg{headvpos}\marg{footvpost}
-%   users can specify whether the alignment should be b,t or c.The
-%   detault is b.
-%   \changes{v1.6180339c}{2009/01/13}{Added support for for
+%   users can specify whether the alignment should be b,t or~c.The
+%   default is~b.
+%   \changes{v1.6180339c}{2009/01/13}{Added support for 
 %   controlling the alignment of the headers and footers}
 %    \begin{macrocode}
 \newcommand*\makeheadfootvposition[3]{%
@@ -6216,6 +6273,23 @@
 %    \end{macrocode}
 % \end{macro}
 %
+% \begin{macro}{\fixheaderwidths}
+% The companion pagestyle, at least, needs adjusting (at \cs{fixthelayout} time)
+% if the \cs{textwidth} has changed from its initial value.
+% \changes{v1.6180339f}{2009/03/16}{Added \cs{fixheaderwidths}}
+%    \begin{macrocode}
+\newcommand*{\fixheaderwidths}{%
+  % companion pagestyle
+  \setlength{\headwidth}{\textwidth}
+    \addtolength{\headwidth}{\marginparsep}
+    \addtolength{\headwidth}{\marginparwidth}
+  \makerunningwidth{companion}{\headwidth}
+  \makeheadrule{companion}{\headwidth}{\normalrulethickness}
+  \makefootrule{companion}{\textwidth}{\footruleheight}{\footruleskip}
+}
+
+%    \end{macrocode}
+% \end{macro}
 %
 %
 % \subsection{Page numbering}
@@ -7415,14 +7489,24 @@
 \newcommand{\frontmatter}{%
   \@ifstar{\@smemfront}{\@memfront}}
 %    \end{macrocode}
+% \begin{macro}{\@memfront@floats}
+% \changes{v1.6180339f}{Added \cs{@memfront@floats}}
+%   Factoring out the float counter domination, in case someone wants
+%   something added or changed
+%    \begin{macrocode}
+\newcommand\@memfront@floats{%
+  \counterwithout{figure}{chapter}
+  \counterwithout{table}{chapter}
+}
+%    \end{macrocode}
+% \end{macro}
 % \begin{macro}{\@smemfront}
 %    \begin{macrocode}
 \newcommand{\@smemfront}{%
   \cleardoublepage
   \@mainmatterfalse
   \setcounter{secnumdepth}{-10}
-  \counterwithout{figure}{chapter}
-  \counterwithout{table}{chapter}
+  \@memfront@floats
 }
 %    \end{macrocode}
 % \end{macro}
@@ -7455,6 +7539,17 @@
 % \end{macro}
 % \end{macro}
 %
+% \begin{macro}{\@memmain@floats}
+% \changes{v1.6180339f}{Added \cs{@memmain@floats}}
+%   Factoring out the float counter domination, in case someone wants
+%   something added or changed
+%    \begin{macrocode}
+\newcommand\@memmain@floats{%
+   \counterwithin{figure}{chapter}
+   \counterwithin{table}{chapter}
+}
+%    \end{macrocode}
+% \end{macro}
 % \begin{macro}{\@smemmain}
 % If \cs{frontmatter} and \cs{mainmatter} are used with the article option,
 % then a page numbering / margin problem can occur if the frontmatter ends
@@ -7488,8 +7583,7 @@
     \fi
   \else
     \cleardoublepage
-    \counterwithin{figure}{chapter}
-    \counterwithin{table}{chapter}
+    \@memmain@floats
   \fi}
 %    \end{macrocode}
 % \end{macro}
@@ -7502,6 +7596,19 @@
 %    \end{macrocode}
 % \end{macro}
 %
+% \begin{macro}{\@memback@floats}
+% \changes{v1.6180339f}{Added \cs{@memback@floats}}
+%   Factoring out the float counter domination, in case someone wants
+%   something added or changed
+%    \begin{macrocode}
+\newcommand\@memback@floats{%
+    \counterwithout{figure}{chapter}
+    \counterwithout{table}{chapter}
+    \setcounter{figure}{0}
+    \setcounter{table}{0}
+}
+%    \end{macrocode}
+% \end{macro}
 % \begin{macro}{\backmatter}
 % This command turns off chapter numbering but leaves the page numbering alone. 
 % It twiddles the numbering caption numbering.
@@ -7523,10 +7630,7 @@
   \@mainmatterfalse
   \setcounter{secnumdepth}{-10}
   \ifartopt\else
-    \counterwithout{figure}{chapter}
-    \counterwithout{table}{chapter}
-    \setcounter{figure}{0}
-    \setcounter{table}{0}
+    \@memback@floats
   \fi}
 
 %    \end{macrocode}
@@ -11720,7 +11824,7 @@
 % \subsection{Description}
 %
 % The class defines two description environment, the standard one and a `block'
-% one.
+% one, and also two semi-configurable versions.
 %
 % \changes{v1.2}{2002/07/27}{Now two `description' environments.}
 %
@@ -11771,6 +11875,50 @@
 %    \end{macrocode}
 % \end{macro}
 %
+% \begin{environment}{labelled}
+% This is a version of the description environment which takes the
+% name, without the backslash, of some \cs{labelcode} as its argument.
+% For example: 
+% \begin{verbatim}
+% \newcommand*{\sflabel}[1]{\hspace\labelsep \normalfont\sffamily #1}
+% \begin{labelled}{sflabel}
+%   \item[label] using a sans font for the labels 
+% \end{verbatim}
+% \changes{v1.6180339f}{2009/04/25}{Added labelled environment}
+%    \begin{macrocode}
+\newenvironment{labelled}[1]%
+  {\list{}{\labelwidth\z@ \itemindent-\leftmargin
+           \def\m@malabel{\@nameuse{#1}} \let\makelabel\m@malabel}}%
+  {\endlist}
+
+%    \end{macrocode}
+% \end{environment}
+%
+% \begin{environment}{flexlabelled}
+% \verb?\begin{flexlabelled}{labelcode}{labelwidth}{labelsep}{itemindent}{leftmargin}{rightmargin}?
+% lets you specify some of the parameters for a description-like list.
+% The first argument is as for the labelled environment. The others are all
+% lengths for the various parameters; a \verb?*? instead of a length means 
+% that that argument is to be ignored.
+% \changes{v1.6180339f}{2009/04/25}{Added flexlabelled environment}
+%    \begin{macrocode}
+\newenvironment{flexlabelled}[6]%
+  {\list{}{\nametest{#2}{*}%
+           \ifsamename\else \labelwidth #2  \fi
+           \nametest{#3}{*}%
+           \ifsamename\else \labelsep #3 \fi
+           \nametest{#4}{*}%
+           \ifsamename\else \itemindent #4 \fi
+           \nametest{#5}{*}%
+           \ifsamename\else \leftmargin #5 \fi
+           \nametest{#6}{*}%
+           \ifsamename\else  \rightmargin #6 \fi
+           \def\m@malabel{\@nameuse{#1}} \let\makelabel\m@malabel}}%
+  {\endlist}
+
+%    \end{macrocode}
+% \end{environment}
+%
 %
 % \subsection{Quotation}
 %
@@ -17755,35 +17903,44 @@
 %    \begin{macrocode}
     \ifdim\wd\@tempboxa<\@contcwidth \centering \fi
   \fi
-  \if@conthang
+%    \end{macrocode}
+% Hanging and indenting doesn't apply to short captions, so do these
+% now.
+% \changes{v1.6180339f}{2009/06/25}{Short captions no longer hang or indent}
+%    \begin{macrocode}
+  \ifdim\wd\@tempboxa<\linewidth
+    \@contpre
+    {\@contnfont #1\@contdelim}\@memtempa
+    {\@contcshortstyle \@conttfont #2\@contfinal\par}
+  \else
+    \if@conthang
 %    \end{macrocode}
 % For a hanging caption we have to measure the width of the caption name,
 % then typeset the whole caption in a hanging paragraph.
 % \changes{v1.1}{2002/03/10}{Changed code for hangcaption in \cs{@makecaption}}
 %    \begin{macrocode}
-    \sbox\@tempboxa{\@contnfont #1\@contdelim}
-    \@contpre%
-    {\@contcstyle\hangindent=\wd\@tempboxa
-     \noindent\box\@tempboxa\@memtempa \@conttfont #2\@contfinal\par}
-  \else
-    \if@contindent
+      \sbox\@tempboxa{\@contnfont #1\@contdelim}
+      \@contpre%
+      {\@contcstyle\hangindent=\wd\@tempboxa
+       \noindent\box\@tempboxa\@memtempa \@conttfont #2\@contfinal\par}
+    \else
+      \if@contindent
 %    \end{macrocode}
 % An indented caption is similar, except the amount of indentation is
 % kept in \cs{@contindw}.
 %    \begin{macrocode}
-      \@contpre%
-      {\@contnfont #1\@contdelim}\@memtempa 
-      {\@contcstyle\hangindent=\@contindw
-                   \hangafter=\@ne\@conttfont #2\@contfinal\par}% <- v1.4 
-    \else
+        \@contpre%
+        {\@contnfont #1\@contdelim}\@memtempa 
+        {\@contcstyle\hangindent=\@contindw
+                     \hangafter=\@ne\@conttfont #2\@contfinal\par}% <- v1.4 
+      \else
 %    \end{macrocode}
 % For the normal style, just typeset the caption.
 %    \begin{macrocode}
-      \@contpre%
-      {\@contnfont #1\@contdelim}\@memtempa 
-      {\ifdim\wd\@tempboxa<\linewidth 
-         \@contcshortstyle\else \@contcstyle\fi%  <- v1.4 
-       \@conttfont #2\@contfinal\par}
+        \@contpre%
+        {\@contnfont #1\@contdelim}\@memtempa 
+        {\@contcstyle \@conttfont #2\@contfinal\par}
+      \fi
     \fi
   \fi
 %    \end{macrocode}
@@ -20190,29 +20347,62 @@
 % This class provides a means of creating new Lists whose headings are
 % parameterized, thereby killing two birds with one stone.
 %
-% In this class the tables of
-%    contents, figures etc. are always set in single-column style.
+% In the standard classes the tables of contents, figures etc. are always 
+% set in single-column style. In this class you can choose one- or two-column
+% ToCs, etc.
 % The titles are added to the ToC, unless the starred versions of the 
 % commands are used.
+% \changes{v1.6180339f}{2009/03/16}{Enabled two-column ToC, etc}
 %
 % \begin{macro}{\ensureonecol}
 % \begin{macro}{\restorefromonecol}
-%  The ToC, LoF, etc are always set in a single column. These two
-% macros cooperate to swith from two-columns to one column, and back again.
+%  These two
+% macros cooperate to switch from two-columns to one column, and back again.
 % \changes{v1.0a}{2002/01/24}{Deleted \cs{ensuretwocol} and 
 %   \cs{restorefromtwocol} as they were unused. BUT later reinstated them.}
+% \begin{macro}{\onecoltocetc}
+% \begin{macro}{\twocoltocetc}
+% \begin{macro}{\doccoltocetc}
+% These macros define \cs{ensureonecol} and \cs{restorefromonecol} such that
+% \begin{itemize}
+% \item \cs{onecoltocetc} ToCs, etc., will be set in one column (the default)
+% \item \cs{twocoltocetc} ToCs, etc., will be set in two columns
+% \item \cs{doccoltocetc} ToCs, etc., will be set in column(s) corresponding
+%        to the document's (onecolumn/twocolumn) option.
+% \end{itemize}
+% \changes{v1.6180339f}{2009/03/16}{Added \cs{onecoltocetc}, \cs{twocoltocetc}
+%                                   and \cs{doccoltocetc}}
 %    \begin{macrocode}
-\newcommand*{\ensureonecol}{%
-  \if@twocolumn
-    \@restonecoltrue\onecolumn
-  \else
-    \@restonecolfalse
-  \fi}
-\newcommand*{\restorefromonecol}{\if@restonecol\twocolumn\fi}
+\newcommand*{\onecoltocetc}{%
+  \def\ensureonecol{%
+    \if@twocolumn
+      \@restonecoltrue\onecolumn
+    \else
+      \@restonecolfalse
+    \fi}%
+  \def\restorefromonecol{\if@restonecol\twocolumn\fi}}
+\newcommand*{\twocoltocetc}{%
+  \def\ensureonecol{%
+    \if@twocolumn
+      \@restonecoltrue
+    \else
+      \@restonecolfalse\twocolumn
+    \fi}%
+  \def\restorefromonecol{\if@restonecol\else\onecolumn\fi}}
+\newcommand*{\doccoltocetc}{%
+  \let\ensureonecol\relax
+  \let\restorefromonecol\relax}
+%    \end{macrocode}
+% Set the default
+%    \begin{macrocode}
+\onecoltocetc
 
 %    \end{macrocode}
 % \end{macro}
 % \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
 %
 % 
 % \begin{macro}{\cftparskip}
@@ -21140,7 +21330,7 @@
   \newcommand{\cftchapterafterpnum}{}
   \newcommand*{\cftchapterformatpnum}[1]{%
     \hb@xt@\@pnumwidth{\hfil\cftchapterpagefont #1}}
-  \newcommand*{\cftchapterfillnum}[1]{
+  \newcommand*{\cftchapterfillnum}[1]{%
     {\cftchapterleader}\nobreak
     \cftchapterformatpnum{#1}%
     \cftchapterafterpnum\par}
@@ -26528,6 +26718,8 @@
 %              courtesy James Szinger (mempatch v311)}
 % \changes{v1.61803}{2008/01/30}{Added \cs{ifshowtrims} to \cs{mem@shipii}
 %                    (mempatch v4.5)}
+% \changes{v1.6180339f}{2009/06/24}{Added Dan Luecking's fix to 
+% \cs{mem@shippii} to cater for another merry hyperref change!}
 %    \begin{macrocode}
 \newcommand*{\mem@shipi}{%
   \ifvoid\@cclv\expandafter\aftergroup\fi\mem@shipii}
@@ -26536,7 +26728,26 @@
     \mem@oldshipout\box\@cclv
   \else
     \ifshowtrims
-      \mem@oldshipout\vbox{\trimmarks\unvbox\@cclv}%
+%    \end{macrocode}
+% On 2009/05/02 Dan Luecking (ctt \emph{Re: recent hyperref error (e.g.
+% v6.78q not v6.78f) with memoir[showtrims]}) found that \texttt{hpdftex.def}
+% included the code:
+% \begin{verbatim}
+% \def\Hy@FixNotFirstPage{%
+%   \gdef\Hy@FixNotFirstPage{%
+%     \setbox\AtbeginShipoutBox=\hbox{%
+%       \copy\AtBeginShipoutBox
+%      }%
+%    }%
+% }
+% \AtBeginShipout{\Hy@FixNotFirstPage}
+% \end{verbatim}
+% which turns box 255 (\cs{@cclv}) into an hbox whereas memoir expected a vbox
+% (which has worked happily for many years). 
+% Dan suggested replacing my original \\
+% \verb?\mem@oldshipout\vbox{\trimmarks\unvbox\@cclv}? as below:
+%    \begin{macrocode}
+      \mem@oldshipout\vbox{\trimmarks \ifvbox \@cclv \unvbox \else \box \fi \@cclv}%
     \else
       \mem@oldshipout\box\@cclv
     \fi
diff --git a/Master/texmf-dist/source/latex/memoir/memoir.ins b/Master/texmf-dist/source/latex/memoir/memoir.ins
index ecc94ebe73e..52ffc1fbb83 100644
--- a/Master/texmf-dist/source/latex/memoir/memoir.ins
+++ b/Master/texmf-dist/source/latex/memoir/memoir.ins
@@ -1,6 +1,6 @@
 %% memoir.ins
 %% Author: Peter Wilson (herries dot press at earthlink dot net)
-%% Copyright 2001--2008 Peter R. Wilson
+%% Copyright 2001--2009 Peter R. Wilson
 %%
 %% This work may be distributed and/or modified under the
 %% conditions of the LaTeX Project Public License, either
@@ -12,6 +12,7 @@
 %% LaTeX version 2003/06/01 or later.
 %%
 %% This work has the LPPL maintenance status "author-maintained".
+%% (Note: Lars Madsen is gradually taking over maintenance)
 %%
 %% This work consists of the files listed in the README file.
 %%
@@ -27,7 +28,7 @@
  
   Author: Peter Wilson  (herries dot press at earthlink dot net)
           Herries Press
-  Copyright 2001--2008 Peter R. Wilson
+  Copyright 2001--2009 Peter R. Wilson
  
   This work may be distributed and/or modified under the
   conditions of the LaTeX Project Public License, either
@@ -39,6 +40,7 @@
   LaTeX version 2003/06/01 or later.
  
   This work has the LPPL maintenance status "author-maintained".
+  (Note: Lars Madsen is gradually taking over maintenance)
  
   This work consists of the files listed in the README file.
 
diff --git a/Master/texmf-dist/source/latex/memoir/mempatch.dtx b/Master/texmf-dist/source/latex/memoir/mempatch.dtx
index 12064cebf32..d69258be69f 100644
--- a/Master/texmf-dist/source/latex/memoir/mempatch.dtx
+++ b/Master/texmf-dist/source/latex/memoir/mempatch.dtx
@@ -66,6 +66,7 @@
 % \def\fileversion{v6.0a} \def\filedate{2008/08/23}
 % \def\fileversion{v6.0b} \def\filedate{2009/01/18}
 % \def\fileversion{v6.0c} \def\filedate{2009/02/06}
+% \def\fileversion{v6.0d} \def\filedate{2009/07/12}
 %
 % \title{The LaTeX \Lpack{memoir} class for configurable book 
 %        typesetting: Code patches\thanks{This
@@ -831,7 +832,7 @@
 % ^^A \ProvidesFile{mempatch.sty}[2008/05/26 v5.0 Patches for memoir class v1.61803]
 % ^^A \ProvidesFile{mempatch.sty}[2008/07/11 v5.1 Patches for memoir class v1.618033]
 %    \begin{macrocode}
-\ProvidesFile{mempatch.sty}[2008/07/23 v6.0 Patches for memoir class v1.6180339]
+\ProvidesPackage{mempatch.sty}[2009/07/12 v6.0d Patches for memoir class v1.6180339]
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %%%   Version 6.0 was released simultaneously with version 1.6180339