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setspace.sty
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setspace.sty
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% \iffalse meta-comment
%
% Copyright (C) 2011 by Robin Fairbairns (rf10@cam.ac.uk)
% Copyright (C) 2000 by Geoffrey Tobin
%
% ---------------------------------------------------------------------------
% 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 2005/12/01 or later.
%
% This work has the LPPL maintenance status `maintained'.
%
% The Current Maintainer of this work is Robin Fairbairns
%
% This work consists of the files setspace.sty and setspace-test.tex
%
% \fi
%
%%% ======================================================================
%%% @LaTeX-style-file{
%%% filename = "setspace.sty",
%%% version = "6.7a",
%%% date = "Fri 1 December 2000",
%%% time = "17:49 UT+11",
%%% author = "Geoffrey Tobin",
%%% address = "Department of Electronic Engineering
%%% Faculty of Science and Technology
%%% La Trobe University
%%% Bundoora VIC 3086
%%% Australia",
%%% email = "G.Tobin@latrobe.edu.au (Internet)",
%%% telephone = "(+ 613) 9479-3736",
%%% FAX = "(+ 613) 9479-3025",
%%% supported = "yes",
%%% archived = "CTAN",
%%% keywords = "LaTeX package, line spacing",
%%% codetable = "ISO/ASCII",
%%% checksum = "11793 546 2608 21972",
%%% docstring = "setspace.sty is a LaTeX (2e) package.
%%% Comments and bug reports welcome!
%%%
%%% This includes GDG's modification to Erica Harris'
%%% setspace.sty. The main aspects of this
%%% modification deal with the definitions of
%%% \singlespacing \onehalfspacing, and
%%% \doublespacing, (these are near the beginning of
%%% the file). Primarily, these deal with adding
%%% fontsize changes to guarantee that the new
%%% baseline is properly defined and placed into
%%% action. The extra \vskip in the definition of
%%% \singlespacing seems to make for a cleaner
%%% transition from multiple spacing back to single
%%% spacing. These did not appear warrranted for
%%% other size changes.
%%%
%%% Modified by GDG on November 1, 1992, to allow
%%% for use of New Font Selection Scheme.
%%%
%%% Modified by GDG on June 4, 1993, to correct
%%% for spacing tokens in definition of \@setsize
%%% Thanks to Kaja P. Christiansen <kaja@daimi.aau.dk>
%%% for the fix!!
%%%
%%% Modified by GDG on May 24, 1994, to change toggle
%%% definition from \selectfont to \@newbaseline.
%%%
%%% Modified by GDG on May 25, 1994, to add
%%% definition of \everydisplay -- this part of
%%% the code was apparently written by Geoffrey
%%% Tobin on Thu 23 Jan 1992 and was provided by
%%% stanton@haas.berkeley.edu (Richard Stanton).
%%% This should help with some of the awkward math
%%% placements in changing spacings.
%%%
%%% Modified by GT on 23 Jan 1996, to correct
%%% \everymath bug, first reported by Mario
%%% Wolczko <mario@cs.man.ac.uk> on 9 June 1992.
%%%
%%% Modified by GT on 23 Jan 1996, to correct
%%% usage of comment characters in macro
%%% definitions.
%%%
%%% Modified by GT on 23 Jan 1996, to update
%%% (adjusted) \@xfloat definition for LaTeX2e.
%%% Bug report was courtesy of Kay Nettle.
%%%
%%% Modified by GT on 24 Jan 1996, to update
%%% (adjusted) \@footnotetext definition for
%%% LaTeX2e, and to add an adjusted LaTeX2e
%%% \@mpfootnotext definition for minipages.
%%% Bug report was courtesy Kay Nettle.
%%%
%%% Changed by GT on 6 Feb 1996, into a LaTeX2e
%%% package.
%%%
%%% Made more package-like by GT on 14 Feb 1996,
%%% by adding standard messages.
%%%
%%% GT replaced \@normalsize by \normalsize on 28
%%% Sep 1996. This change was successively
%%% advised by:
%%%
%%% Rowland J.~Bartlett
%%% <R.J.Bartlett@bolton.ac.uk>
%%% on Tue 6 Aug 96,
%%%
%%% Ted Stern
%%% <stern@amath.washington.edu>
%%% on Wed 7 Aug 96,
%%%
%%% Michal Jaegermann
%%% <michal@ellpspace.math.ualberta.ca>
%%% on Fri 27 Sep 96.
%%%
%%% GT: Sat 28 Sep 1996: Added call to
%%% \setspace@size in \setstretch, as suggested
%%% by David Hull <hull@cs.uiuc.edu>
%%% on Wed 24 July 1996.
%%%
%%% GT: Sat 28 Sep 1996: Pared \setspace@size
%%% mercilessly down to \@currsize, following
%%% advice given on Fri 27 Sep 1996 by Michal
%%% Jaegermann <michal@ellpspace.math.ualberta.ca>.
%%% Retained this macro for flexibility.
%%%
%%% Code rearranged by GT, Sat 28 Sep 1996, to give
%%% greater prominence to \setstretch.
%%%
%%% Also, GT changed (Sat 28 Sep 1996) many
%%% occurrences of \def to \newcommand,
%%% \renewcommand, or \newenvironment,
%%% as seemed appropriate.
%%%
%%% GT, Tue 10 Dec 1996: Following a suggestion
%%% by Ted Stern, the `single' spacing is now
%%% settable by the user. This is for slightly
%%% large fonts such as Lucida Bright.
%%%
%%% GT, Wed 11 Dec 1996: For simplicity and
%%% maintainability, call \onehalfspacing in
%%% the onehalfspace environment, and
%%% \doublespacing in the doublespace
%%% environment.
%%%
%%% GT, Wed 11 Dec 1996: Also deleted
%%% \setspace@size from \setstretch,
%%% as \@currsize suffices.
%%%
%%% Modified by Brett Presnell (BP)
%%% <presnell@maths.anu.edu.au> on 21 Mar 1998
%%% to add nodisplayskipstretch option, which
%%% turns off the stretching of the space
%%% before and after displays, which is often
%%% excessive, particularly with doublespaced
%%% documents. Also added the
%%% setdisplayskipstretch command, which allows
%%% the user to choose by how much to stretch
%%% the space before and after displays
%%% independently from the setting of
%%% baselinestretch. This works regardless of
%%% whether the nodisplayskipstretch option is
%%% in effect.
%%%
%%% GT, Wed 15 Apr 1998: Added the singlespace*
%%% environment requested by
%%% Mark Olesen <olesen@weber.me.queensu.ca>
%%% on Sat 24 May 1997 and Wed 18 June 1997.
%%% This is reported to give improved vertical
%%% spacing around itemize and quote environments.
%%%
%%% GT, Wed 15 Apr 1998: David Hull pointed out on
%%% Fri 12 Dec 1997 that the \belowdisplayskip line
%%% in the \everydisplay was mistyped. Now fixed.
%%%
%%% GT, Thu 26 Nov 1998: Finally got round to
%%% fixing the absence of \begingroup from
%%% onehalfspace and doublespace environments.
%%% Thanks to: Bernd Schandl, Ron Smith,
%%% Himanshu Gohel, and Kevin Ruland, for bringing
%%% it to my long overdue attention.
%%%
%%% GT, Tue 27 July 1999: On Saturday 24 July
%%% 1999, Alexander L. Wolf <alw@cs.colrado.edu>
%%% informed me that the \doublespace and
%%% \onehalfspace _macros_ are still at fault.
%%%
%%% GT, Fri 3 March 2000: Today Stefano
%%% Lacaprara of Italy brought my attention to
%%% the need to extend the commands and macros
%%% to point sizes other than 10, 11 and 12.
%%% Since there's no general formula for the
%%% line stretch values in terms of point size,
%%% and they vary only slightly between 10, 11
%%% and 12 pt, and furthermore the values were
%%% presumably optimised specifically for the
%%% Computer Modern fonts, i've chosen to use
%%% the 10 pt values as the generic defaults.
%%%
%%% GT, Fri 1 December 2000: George Pearson
%%% requested package options for the three
%%% common spacings.
%%%
%%% The checksum field above contains a CRC-16
%%% checksum as the first value, followed by the
%%% equivalent of the standard UNIX wc (word
%%% count) utility output of lines, words, and
%%% characters. This is produced by Robert
%%% Solovay's checksum utility."
%%% }
%%% ======================================================================
%% FILE: setspace.sty in SYS2.TEX.PUB.ISULATEX.STYLES
%% AUTHOR: Erica M. S. Harris
%% DATE: April 1990
%% MOD: March 1991
%%%
%%% Update to LaTeX (2e) : 6 Feb 1996.
%%% Description: LaTeX Document Package "setspace"
%%%
%%% Usage:
%%% \documentclass[...]{...}
%%% \usepackage{setspace}
%%%
%% Based on the doublespace option created by Stephen Page.
%%
%% This style option provides commands and environments for doing
%% double and one-and-a-half spacing based on pt size.
%%
%% Single spacing is the default.
%%
%% Three commands, \singlespacing, \onehalfspacing, and
%% \doublespacing, are for use in the preamble to set the overall
%% spacing for the document. If a different spacing is required then
%% the \setstretch{baselinestretch} command can be used in the
%% preamble to set the baselinestretch appropriately. The default
%% spacing with this style option is single spacing.
%%
%% Three environments, singlespace, onehalfspace, and doublespace,
%% allow the spacing to be changed within the document. Both the
%% onehalfspace and doublespace environments are intended to increase
%% the spacing, so the onehalfspace environment should not be used in
%% a double spaced document. If an increased spacing different from
%% one-and-a-half or double spacing is required then the spacing
%% environment can be used. The spacing environment takes one
%% argument which is the larger baselinestretch to use,
%% e.g., \begin{spacing}{2.5}.
%%
%% \footins is adjusted the same as \parskip - appears to work. Lose
%% stretch parts but don't consider that to be crucial
%%
%% Removed code for altering spacing before and after displayed
%% equations - just looked too much.
%%
%% MODS:
%% Redefinition of \spacing and \endspacing for consistency with
%% TeX 3.x inserted by George Greenwade. Modification provided by
%% Philip Ross (ROSS@UK.AC.ABDN.BIOMED) and John Byrne via INFO-TeX.
%%
%% PLEASE REPORT ANY BUGS
%%
%% Old Documentation follows:
%% 1. A new environment "singlespace" is provided, within which single
%% spacing will apply.
%% JFL - changed so that it works in regular text and so that
%% vertical space before and after is correctly computed
%% 2. Double spacing is turned off within footnotes and floats (figures
%% and tables).
%% 3. Proper double spacing happens below tabular environments and in
%% other places where LaTeX uses a strut.
%% 4. Slightly more space is inserted before footnotes.
%% 5. JFL - fixes spacing before and after displayed math
%%
%%
%% mods: Jean-Francois Lamy
%% lamy@ai.toronto.edu
%% lamy@utai.uucp
%%
%% POSSIBLE BUGS:
%% . Increasing struts may possibly cause some other obscure part of
%% formatting to fall over.
%% . \begin{singlespace}\begin{quote} produces the wrong spacing before
%% the quote (extra glue is inserted).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\@ifundefined{NeedsTeXFormat}{% 2.09 version
\def \filename {setspace.sty}
\def \filedate {2000/12/01}
\def \fileversion {6.7a}
\typeout {Package: `setspace' \fileversion\space <\filedate>}
}{% 2e version
\NeedsTeXFormat {LaTeX2e}[1994/12/01]
\ProvidesPackage {setspace}[2011/12/19 v6.7a set line spacing]
}
% BP: add nodisplayskipstretch option and \setdisplayskipstretch command.
\newcommand{\displayskipstretch}{\baselinestretch}
\newcommand{\setdisplayskipstretch}[1]{\renewcommand{\displayskipstretch}{#1}}
\DeclareOption{nodisplayskipstretch}{\setdisplayskipstretch{1.0}}
% GT: add George Pearsons' suggested options.
\DeclareOption{singlespacing}{\AtEndOfPackage{\singlespacing}}
\DeclareOption{onehalfspacing}{\AtEndOfPackage{\onehalfspacing}}
\DeclareOption{doublespacing}{\AtEndOfPackage{\doublespacing}}
\ProcessOptions
% GT: Sat 28 Sep 1996: Widely using \newcommand, \renewcommand, and
% \newenvironment, instead of \def.
% ** Line space commands.
\newcommand{\setstretch}[1]{%
\def\baselinestretch{#1}%
\@currsize
}
% GT: Sat 28 Sep 1996: spacing commands and environments modified to
% use \setstretch instead of \baselinestretch.
%
% GT: Sat 28 Sep 1996: No, I don't know understand the line spacing
% algorithms! If someone (LaTeX team) can enlighten me as to the
% general rule, please do! It would be very pleasant if setspace.sty
% were suited for document font sizes other than 10, 11 and 12 pt.
%
% GT: Tue 10 Dec 1996: Instead of fixing singlespacing to exact unity,
% allow user to redefine it (only slightly, please!) from its initial
% value of unity, in the case when a particular font is slightly larger
% or slightly smaller than its point size would indicate. This change
% affects setspace's single spacing commands, and LaTeX's footnote and
% float environments. The one and a half, double, and arbitrary
% spacing commands are unaltered.
\newcommand{\SetSinglespace}[1]{%
\def\setspace@singlespace{#1}%
}
% Here's the default single line spacing value.
\SetSinglespace{1}
\newcommand{\singlespacing}{%
\setstretch {\setspace@singlespace}% normally 1
\vskip \baselineskip % Correction for coming into singlespace
}
\newcommand{\onehalfspacing}{%
\setstretch{1.25}% default
\ifcase \@ptsize \relax % 10pt
\setstretch {1.25}%
\or % 11pt
\setstretch {1.213}%
\or % 12pt
\setstretch {1.241}%
\fi
}
\newcommand{\doublespacing}{%
\setstretch {1.667}% default
\ifcase \@ptsize \relax % 10pt
\setstretch {1.667}%
\or % 11pt
\setstretch {1.618}%
\or % 12pt
\setstretch {1.655}%
\fi
}
% ** Modification of the LaTeX command \@setsize.
%---Stretch the baseline BEFORE calculating the strut size. This improves
% spacing below tabular environments etc., probably...
% Comments are welcomed.
% GT: Sun 29 Sep 1996: Question: Is this code anywhere near correct
% since this part of LaTeX (in, eg, latex.ltx) has been greatly changed?
% GT: Sun 29 Sep 1996: The meanings of the arguments to \@setsize
% appear to be (whatever these may signify) :
% current size; font baselineskip; ignored (!); and font size.
% GT: Sun 29 Sep 1996: Note that \@setsize (in latest LaTeX,
% \@setfontsize, which is called by \@setsize) seems to be the only
% place in purely modern LaTeX where \@currsize is set, and ltxguide.cls
% seems to be the only file in the LaTeX base distribution that uses it!
% RF: 2011-12-19: only redefine \@setsize if under 2e; there have been
% reports of ltx209 packages failing when run with setspace under
% ltx2e, with this definition
\@ifundefined{NeedsTeXFormat}{%
\def\@setsize#1#2#3#4{%
% Modified 1993.04.07--GDG per KPC
\@nomath#1%
\let\@currsize#1%
\baselineskip #2%
\baselineskip \baselinestretch\baselineskip
\parskip \baselinestretch\parskip
\setbox\strutbox \hbox{%
\vrule height.7\baselineskip
depth.3\baselineskip
width\z@}%
\skip\footins \baselinestretch\skip\footins
\normalbaselineskip\baselineskip#3#4}%
}{}%
% ** Float and footnote adjustments to compensate for a change in the
% ** main text's line spacing.
%---Increase the space between last line of text and footnote rule.
%\skip\footins 20pt plus4pt minus4pt
%---Reset baselinestretch within floats and footnotes.
% GT: Tue 23 Jan 1996: This is where the conflict with the combination
% of the color package and the figure environment used to occur.
% Floats.
% GT: Sat 28 Sep 1996: \@xfloat is the only place where \normalsize
% is still used in setspace.sty !
\let\latex@xfloat=\@xfloat
\def\@xfloat #1[#2]{%
\latex@xfloat #1[#2]%
\def\baselinestretch{\setspace@singlespace}%
\normalsize
}
% GT: Wed 24 Jan 1996: This footnote code was copied from LaTeX and
% modified rather naively. It had to be brought up to date, not only
% because of LaTeX's new color ability, but also because ther had
% been major changes to this code in LaTeX at least as far back as
% March 1992.
% Normal, bottom of the page, footnotes.
%
% GT: Based HEAVILY on original LaTeX (2e) code. A standard hook would
% be MUCH preferred, so that LaTeX's footnote implementation needn't be
% copied each time it changes.
%
% GT: The \protected@edef requires at least the December 1994 LaTeX.
% This is precisely the kind of VERSION DEPENDENCY situation that
% cannot (AFAIK) be avoided, because LaTeX (2e) LACKS appropriate
% standard hooks and/or context markers.
\long\def\@footnotetext#1{%
\insert\footins{%
% GT: Next line added. Hook desired here!
\def\baselinestretch {\setspace@singlespace}%
\reset@font\footnotesize
\interlinepenalty\interfootnotelinepenalty
\splittopskip\footnotesep
\splitmaxdepth \dp\strutbox \floatingpenalty \@MM
\hsize\columnwidth
\@parboxrestore
\protected@edef\@currentlabel{%
\csname p@footnote\endcsname\@thefnmark
}%
\color@begingroup
\@makefntext{%
\rule\z@\footnotesep\ignorespaces#1\@finalstrut\strutbox}%
\color@endgroup}}
% Minipage footnotes.
\long\def\@mpfootnotetext#1{%
\global\setbox\@mpfootins\vbox{%
\unvbox \@mpfootins
% GT: Next line added. Hook desired here!
\def\baselinestretch {\setspace@singlespace}%
\reset@font\footnotesize
\hsize\columnwidth
\@parboxrestore
\protected@edef\@currentlabel{%
\csname p@mpfootnote\endcsname\@thefnmark}%
\color@begingroup
\@makefntext{%
\rule\z@\footnotesep\ignorespaces#1\@finalstrut\strutbox}%
\color@endgroup}}
% ** Line space environments.
% A single spaced quote (say) is done by surrounding singlespace with quote.
\newenvironment{singlespace}{%
\vskip \baselineskip
\setstretch {\setspace@singlespace}%
\vskip -\baselineskip
}{%
\par
}
% GT (c/o Mark Olesen), Wed 15 April 1998.
\newenvironment{singlespace*}{%
\setstretch {\setspace@singlespace}%
\vskip -\baselineskip
}{%
\vskip -0.5\baselineskip
}
% spacing, doublespace and onehalfspace all are meant to INCREASE the
% spacing (i.e. calling onehalfspace from within doublespace will not
% produce a graceful transition between spacings)
%
% Next two definitions fixed for consistency with TeX 3.x
% In order to use \newenvironment, while easily using same code for
% end of each environment, the code that used to be in \endspacing has
% been moved into a new (but internal) macro, \restore@spacing.
\newcommand{\restore@spacing}{%
\par
\vskip \parskip
\vskip \baselineskip
\endgroup
\vskip -\parskip
\vskip -\baselineskip
}
\newenvironment{spacing}[1]{%
\par
\begingroup % moved from \endspacing by PGBR 29-1-91
\setstretch {#1}%
}{%
\restore@spacing
}
% one and a half spacing is 1.5 x pt size
\newenvironment{onehalfspace}{%
\begingroup
\onehalfspacing
}{%
\restore@spacing
}
% double spacing is 2 x pt size
\newenvironment{doublespace}{%
\begingroup
\doublespacing
}{%
\restore@spacing
}
% GT: EMSH chose to omit display math part that follows.
% She wrote (see above) that the "altered spacing before and after displayed
% equations ... just looked too much".
%
% Fix up spacing before and after displayed math
% (arraystretch seems to do a fine job for inside LaTeX displayed math,
% since array and eqnarray seem to be affected as expected).
% Changing \baselinestretch and doing a font change also works if done here,
% but then you have to change @setsize to remove the call to @nomath)
%
% GT: The \belowdisplayskip line was mistyped; now fixed, courtesy of
% David Hull.
%
% GT: Brett Parnell has addressed EMSH's concern by replacing
% \baselinestretch by \displayskipstretch in displays, as follows.
\everydisplay\expandafter{%
\the\everydisplay
\abovedisplayskip \displayskipstretch\abovedisplayskip
\belowdisplayskip \displayskipstretch\belowdisplayskip
\abovedisplayshortskip \displayskipstretch\abovedisplayshortskip
\belowdisplayshortskip \displayskipstretch\belowdisplayshortskip
}
\endinput
%%% EOF.