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-rw-r--r--Master/texmf-dist/source/latex/fnbreak/fnbreak.dtx230
1 files changed, 202 insertions, 28 deletions
diff --git a/Master/texmf-dist/source/latex/fnbreak/fnbreak.dtx b/Master/texmf-dist/source/latex/fnbreak/fnbreak.dtx
index e794e4e7742..1cc54cdfdad 100644
--- a/Master/texmf-dist/source/latex/fnbreak/fnbreak.dtx
+++ b/Master/texmf-dist/source/latex/fnbreak/fnbreak.dtx
@@ -1,5 +1,5 @@
% \iffalse meta comment
-% File: fnbreak.dtx Copyright (C) 2003, 2004 Harald Harders
+% File: fnbreak.dtx Copyright (C) 2003, 2004, 2006, 2010, 2012 Harald Harders
% \fi
%
% \iffalse
@@ -7,15 +7,15 @@
%<*driver>
\documentclass{ltxdoc}
\title{The \texttt{fnbreak} package}
-\author{Harald Harders\\\texttt{h.harders@tu-bs.de}}
+\author{Harald Harders\\\texttt{harald.harders@gmx.de}}
\date{Version \fileversion, \filedate, Printed \today}
\EnableCrossrefs
\CodelineIndex
\DoNotIndex{\def,\edef,\let,\newcommand,\newenvironment,\newcounter}
-\DoNotIndex{\setcounter,\space}
+\DoNotIndex{\setcounter,\space,\ifx,\else,\fi}
\CodelineNumbered
\RecordChanges
-\CheckSum{132}
+\CheckSum{202}
\IfFileExists{fnbreak-v.tex}{%
\input{fnbreak-v.tex}
\GetFileInfo{fnbreak-v.tex}
@@ -43,7 +43,7 @@
% \tableofcontents
%
% \section*{Copyright}
-% Copyright 2003, 2004 Harald Harders.
+% Copyright 2003, 2004, 2006, 2010, 2012 Harald Harders.
%
% This program can be redistributed and/or modified under the terms
% of the LaTeX Project Public License Distributed from CTAN
@@ -61,18 +61,23 @@
% If a footnote is split over a page break, a warning like the
% following is put into the log:
%\begin{verbatim}
-%Package fnbreak Warning: Footnote number 1 (label `a')
+%Package fnbreak Warning: Footnote number 1
+%(fnbreak) (label `a')
%(fnbreak) has been split over different pages:
%(fnbreak) page 1 to page 2.
%\end{verbatim}
% Sometimes, complicated footnote labels are used (for example, when
% using symbols):
%\begin{verbatim}
-%Package fnbreak Warning: Footnote number 1 (label `\ensuremath {*}')
+%Package fnbreak Warning: Footnote number 1
+%(fnbreak) (label `\ensuremath {*}')
%(fnbreak) has been split over different pages:
%(fnbreak) page 1 to page 2.
%\end{verbatim}
-% In some cases may this even break the function.
+% In some cases may complex footnote labels may prevent |fnbreak| from
+% functioning.
+% \begin{macro}{nolabel}
+% \begin{macro}{label}
% To avoid these problems, you may give the package option |nolabel|:
%\begin{verbatim}
%\usepackage[nolabel]{fnbreak}
@@ -83,9 +88,57 @@
%(fnbreak) has been split over different pages:
%(fnbreak) page 1 to page 2.
%\end{verbatim}
+% \end{macro}
+% \end{macro}
%
+% \begin{macro}{\fnbreaknolabel}
+% \begin{macro}{\fnbreaklabel}
+% You may switsch on and off printing of the footnote label in the
+% warnings also by using the macros \cs{fnbreaknolabel} and \cs{fnbreaklabel}.
+% \end{macro}
+% \end{macro}
+%
+% If the document is set two-sided, fnbreak tries to determine whether
+% the footnote spans over a double page or flipsides.
+% The result is shown in the warning:
+%\begin{verbatim}
+%Package fnbreak Warning: Footnote number 1
+%(fnbreak) has been split over different pages (flipsides):
+%(fnbreak) page 1 to page 2.
+%\end{verbatim}
+% or:
+%\begin{verbatim}
+%Package fnbreak Warning: Footnote number 1
+%(fnbreak) has been split over different pages (double page):
+%(fnbreak) page 2 to page 3.
+%\end{verbatim}
+% This only works if the page numbers are (arabic) numerical.
+%
+% \begin{macro}{verbose}
+% \begin{macro}{nonverbose}
% When using the package option |verbose| the fnbreak package writes a
-% message for every footnote, even if it is completely on one page.
+% message for every footnote, even if it is completely on one page:
+%\begin{verbatim}
+%\usepackage[verbose]{fnbreak}
+%\end{verbatim}
+% The output looks as follows:
+%\begin{verbatim}
+%Package fnbreak Note: Footnote number 2
+%(fnbreak) (label `2')
+%(fnbreak) completely on page 3.
+%\end{verbatim}
+% \end{macro}
+% \end{macro}
+%
+% \begin{macro}{\fnbreaknonverbose}
+% \begin{macro}{\fnbreakverbose}
+% You may switsch on and off printing footnote information for
+% non-split footnotes using the macros \cs{fnbreaknonverbose} and
+% \cs{fnbreakverbose}.
+% \end{macro}
+% \end{macro}
+%
+%
%
% \StopEventually{\PrintChanges \PrintIndex}
%
@@ -100,20 +153,55 @@
% \begin{macrocode}
%<package>\ProvidesPackage{fnbreak}
%<version>\ProvidesFile{fnbreak-v.tex}
-%<package|version> [2004/04/06 v1.10 Warning for pagebreak in footnote (HH)]
+%<package|version> [2012/01/01 v1.30 Warning for pagebreak in footnote (HH)]
%<*package>
% \end{macrocode}
% Declare an option to show not only the footnote number but also the
% label.
+% \changes{1.11}{2006/05/08}{Allow commands in page number}%
+% \begin{macrocode}
+\RequirePackage{ifthen}
+% \end{macrocode}
+% Declare an option to show not only the footnote number but also the
+% label.
% \changes{1.10}{2004/04/06}{Add option `verbose'}%
+% \changes{1.30}{2012/01/01}{Add options `nonverbose' and `label'}%
% \begin{macrocode}
\newif\iffnb@showlabel
-\fnb@showlabeltrue
\newif\iffnb@verbose
+\DeclareOption{label}{\fnb@showlabeltrue}
\DeclareOption{nolabel}{\fnb@showlabelfalse}
\DeclareOption{verbose}{\fnb@verbosetrue}
+\DeclareOption{nonverbose}{\fnb@verbosefalse}
+\ExecuteOptions{label,nonverbose}
\ProcessOptions\relax
% \end{macrocode}
+% \begin{macro}{\fnbreakverbose}
+% \begin{macro}{\fnbreaknonverbose}
+% Switch on or off verbose printing of footnotes.
+% \begin{macrocode}
+\newcommand*\fnbreakverbose{\fnb@verbosetrue}
+\newcommand*\fnbreaknonverbose{\fnb@verbosefalse}
+% \end{macrocode}
+% \end{macro}
+% \end{macro}
+% \begin{macro}{\fnbreaklabel}
+% \begin{macro}{\fnbreaknolabel}
+% Switch on or off printing of footnote labels in the warnings.
+% \begin{macrocode}
+\newcommand*\fnbreaklabel{\fnb@showlabeltrue}
+\newcommand*\fnbreaknolabel{\fnb@showlabelfalse}
+% \end{macrocode}
+% \end{macro}
+% \end{macro}
+% Define new counter and boolean for determining whether a split
+% footnote spans ofer a double page or flipsides.
+% \changes{1.20}{2010/08/09}{Distinguish between split over double
+% page or flipsides}%
+% \begin{macrocode}
+\newcounter{fnb@@numberpages}
+\newif\iffnb@@isdoublepage
+% \end{macrocode}
% Define default values in order to avoid possible problems:
% \changes{1.00}{2004/04/01}{Correct some internal macro names}%
% \begin{macrocode}
@@ -133,10 +221,11 @@
% \end{macrocode}
% If the start of a footnote has been found, just define commands
% containing the footnote number (only for debugging) and the start page:
+% \changes{1.11}{2006/05/08}{Allow commands in page number}%
% \begin{macrocode}
\def\fnb@footnotestart#1#2#3{%
\xdef\fnb@@footnotestartnum{#1}%
- \xdef\fnb@@footnotestartpage{#3}%
+ \gdef\fnb@@footnotestartpage{#3}%
}%
% \end{macrocode}
% \changes{1.00}{2004/04/01}{No need to have numerical page numbers
@@ -151,37 +240,122 @@
% \begin{macrocode}
\def\fnb@footnoteend#1#2#3{%
\xdef\fnb@@footnoteendnum{#1}%
- \xdef\fnb@@footnoteendpage{#3}%
+ \def\fnb@@footnoteendpage{#3}%
% \end{macrocode}
% Test if start and end refer to the same footnote.
% \begin{macrocode}
\ifx\fnb@@footnotestartnum\fnb@@footnoteendnum
% \end{macrocode}
% Test if the footnote ends on the same page it has started.
+% \changes{1.11}{2006/05/08}{Allow commands in page number}%
% \begin{macrocode}
- \ifx\fnb@@footnotestartpage\fnb@@footnoteendpage
+ \ifthenelse{\equal{\fnb@@footnotestartpage}{\fnb@@footnoteendpage}}{%
% \end{macrocode}
% Yes, the footnote is completely on one page.
% Print a message if |verbose| mode is requested.
+% Simulate a variant of \cs{PackageInfo} which is also written to the
+% output rather than only to the log file.
+% \changes{1.30}{2012/01/01}{Fix verbose mode for non-numeric labels}
% \begin{macrocode}
\iffnb@verbose
- \message{Package fnbreak: Footnote number #1
- \iffnb@showlabel(label `#2') \fi^^J%
- \space\space\space\space\space\space
- \space\space\space\space\space\space
- \space\space\space\space\space
- completely on page #3.}%
+ \begingroup
+ \def\MessageBreak{^^J(fnbreak)\@spaces\@spaces\@spaces\@spaces}%
+ \set@display@protect
+ \immediate\write\@unused{^^JPackage fnbreak Note:%
+ \space\space\space\space Footnote number #1
+ \iffnb@showlabel\MessageBreak (label `#2') \fi
+ \MessageBreak
+ completely on page #3.^^J}%
+ \endgroup
\fi
- \else
+ }{%
% \end{macrocode}
% No, the footnote contains a pagebreak.
+%
+% If the page labels are plain numbers we can determine whether a
+% footnot spans over a double page or a flipside.\footnote{Thanks to
+% Martin M\"unch for the idea of determining double pages.}
+% \changes{1.20}{2010/08/09}{Distinguish between split over double
+% page or flipsides}%
+% |fnb@@numberpages = 0| is used if the code cannot find out whether a
+% footnote spans over a double page (i.\,e., for non-integer page
+% numbers or single-side documents).
+% \begin{macrocode}
+ \setcounter{fnb@@numberpages}{0}%
+% \end{macrocode}
+% Do the effort only if the document is two-sided.
+% This code requised the boolean \cs{if@twoside} to be defined.
+% If this is not the case please report to the author including a
+% minimal example file.
+% \begin{macrocode}
+ \if@twoside
+% \end{macrocode}
+% We can find double pages only if the start page as well as the end
+% page are numbers.
+% \begin{macrocode}
+ \ifnum\number0<0\fnb@@footnoteendpage{}%
+ \ifnum\number0<0\fnb@@footnotestartpage{}%
+% \end{macrocode}
+% Calculate the number of pages covered by the footnote. If it is more
+% than two, a flipside occurs anyways.
+% \begin{macrocode}
+ \setcounter{fnb@@numberpages}{\fnb@@footnoteendpage}%
+ \addtocounter{fnb@@numberpages}{-\fnb@@footnotestartpage}%
+ \addtocounter{fnb@@numberpages}{1}%
+% \end{macrocode}
+% If the footnote starts on an odd page, flipside occurs in any case.
+% \begin{macrocode}
+ \ifodd \fnb@@footnotestartpage{}%
+ \fnb@@isdoublepagefalse
+% \end{macrocode}
+% If the footnote starts on an odd page, a double page is found if the
+% number of pages equals two.
+% \begin{macrocode}
+ \else
+ \ifnum \thefnb@@numberpages=2{}%
+ \fnb@@isdoublepagetrue
+% \end{macrocode}
+% If the number of pages is larger, flipside.
+% \begin{macrocode}
+ \else
+ \fnb@@isdoublepagefalse
+ \fi
+ \fi
+ \fi
+ \fi
+ \fi
+% \end{macrocode}
% Print a warning.
+%
+% If not determined whether a double page occurs:
+% \begin{macrocode}
+ \ifnum\thefnb@@numberpages=0
+ \PackageWarningNoLine{fnbreak}{Footnote number #1
+ \iffnb@showlabel\MessageBreak (label `#2')\fi
+ \MessageBreak
+ has been split over different pages:\MessageBreak
+ page \fnb@@footnotestartpage\space to page #3}%
+% \end{macrocode}
+% For a double page:
% \begin{macrocode}
- \PackageWarningNoLine{fnbreak}{Footnote number #1
- \iffnb@showlabel(label `#2')\fi
- \MessageBreak
- has been split over different pages:\MessageBreak
- page \fnb@@footnotestartpage\space to page #3}%
+ \else
+ \iffnb@@isdoublepage
+ \PackageWarningNoLine{fnbreak}{Footnote number #1
+ \iffnb@showlabel\MessageBreak (label `#2')\fi
+ \MessageBreak
+ has been split over different pages (double page):\MessageBreak
+ page \fnb@@footnotestartpage\space to page #3}%
+% \end{macrocode}
+% For a flipside:
+% \begin{macrocode}
+ \else
+ \PackageWarningNoLine{fnbreak}{Footnote number #1
+ \iffnb@showlabel\MessageBreak (label `#2')\fi
+ \MessageBreak
+ has been split over different pages (flipside):\MessageBreak
+ page \fnb@@footnotestartpage\space to page #3}%
+ \fi
+ \fi
% \end{macrocode}
% Redefine the \cs{fnb@globalwarning} to print a warning at the end of
% the log file.
@@ -191,7 +365,7 @@
pagebreak.\MessageBreak
Check if they are acceptable}%
}%
- \fi
+ }%
\else
% \end{macrocode}
% This macro trys to handle different footnotes.
@@ -203,7 +377,7 @@
end: #1, page #3}{%
This error may not happen.
Please try to make a short example which shows this behaviour
- and send a bug report to h.harders@tu-bs.de.}%
+ and send a bug report to harald.harders@gmx.de.}%
\fi
}%
}