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sigchi.cls
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sigchi.cls
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% CHI Proceedings Template.
%
% FILENAME: sigchi.cls
%
% SOURCE: See https://github.com/sigchi for latest official version.
%
% NOTE: If you wish to edit this document, please list edits properly
% in the CHANGELOG section and not scattered through the code.
%
% CHANGELOG:
%
% 2015-03-21 David A. Shamma Updating for new format and Github
% repo for CHI 2016.
%
% 2014-07-30 Scooter Morris Updated to add DOI text to copyright
% footer
%
% 2011-10-19 DanCo Added \sloppy to reduce overfull lines per Sheridan
%
% 2011-08-28 Jean-Daniel Fekete Re-added flushleft in \terms &
% \category, added compatibility for the caption package
%
% 2006 Andrew Duchowski Updated the metafont names to use more
% modern Berry font naming schemes.
%
% 2002-07-30 JS/GM Fix to vertical spacing before Proofs
%
% 2002-07-29 Georgia Fixed bug in sub-sub-section numbering in
% paragraphs
%
% 1999-09-11 Gerry Murry Allowance Made to switch default fonts
% between those systems using METAFONT and those using 'Type 1' or
% 'Truetype' fonts. See LINE NUMBER 266 for details. Also provided
% for enumerated/annotated Corollaries 'surrounded' by enumerated
% Theorems (line 838).
%
% Modified from ACM_PROC_ARTICLE-SP DOCUMENT STYLE by G.K.M. Tobin
% August-October 1999. Adapted from ARTICLE document style by Ken
% Traub, Olin Shivers also using elements of esub2acm.cls. Modified
% from ARTICLE DOCUMENT STYLE -- Released 16 March 1988 for LaTeX
% version 2.09 by Leslie Lamport, 16 March 1988.
%
% MISC:
%
% Fixed the format to match the Word template and added a \teaser
% command to add a teaser image.
%
% Made the Permission Statement / Conference Info / Copyright Info
% 'user definable' in the source .tex file OR automatic if not
% specified. This 'sp' version does NOT produce the permission block.
%
% Major change in January 2000 was to include a "blank line" in
% between new paragraphs. This involved major changes to the, then,
% acmproc-sp.cls 1.0SP file, precipitating a 'new' name:
% "acm_proc_article-sp.cls" V2.01SP. Footnotes inside table cells
% using \minipage (Oct. 2002)
%
% LICENSE: Public domain: You are free to do whatever you want with
% this template. If you improve this in any way, please submit a
% pull request to the Github repository.
%
% ---- Start of example ----
%
% \documentclass{sigchi}
% \usepackage{times}
% \pagenumbering{arabic} % Arabic page numbers for submission.
% % Remove this line to eliminate page numbers
% % for the camera ready copy
% \title{The Title}
% \numberofauthors{2}
% \author{
% \alignauthor Author 1
% \affaddr{Affiliation}\\
% \affaddr{Affiliation}\\
% \email{author@a.com}
% \alignauthor Author 2
% \affaddr{Affiliation}\\
% \affaddr{Affiliation}\\
% \email{author2@b.com}
% }
%
%\begin{document}
%\maketitle
%\abstract{This is the abstract}
%\keywords{Put author keywords here}
%\classification{The ACM Classification keywords here.}
%
%\section{Introduction}
% ...
%
% ---- End of example ----
%
% For the ACM Tracking Purposes
\def\fileversion{V0.20}
\def\filedate{March 21, 2015}
\def\docdate {\filedate}
% Packages
\usepackage{epsfig}
\usepackage{amssymb}
\usepackage{amsmath}
\usepackage{amsfonts}
%%% ACM_PROC_ARTICLE-SP is a document style for producing two-column camera-ready pages for
%%% ACM conferences, according to ACM specifications. The main features of
%%% this style are:
%%%
%%% 1) Two columns.
%%% 2) Side and top margins of 4.5pc, bottom margin of 6pc, column gutter of
%%% 2pc, hence columns are 20pc wide and 55.5pc tall. (6pc =3D 1in, approx)
%%% 3) First page has title information, and an extra 6pc of space at the
%%% bottom of the first column for the ACM copyright notice.
%%% 4) Text is 9pt on 10pt baselines; titles (except main) are 9pt bold.
%%%
%%%
%%% There are a few restrictions you must observe:
%%%
%%% 1) You cannot change the font size; ACM wants you to use 9pt.
%%% 3) You must start your paper with the \maketitle command. Prior to the
%%% \maketitle you must have \title and \author commands. If you have a
%%% \date command it will be ignored; no date appears on the paper, since
%%% the proceedings will have a date on the front cover.
%%% 4) Marginal paragraphs, tables of contents, lists of figures and tables,
%%% and page headings are all forbidden.
%%% 5) The `figure' environment will produce a figure one column wide; if you
%%% want one that is two columns wide, use `figure*'.
%%%
%
%%% Copyright Space:
%%% This style automatically leaves 1" blank space at the bottom of page 1/
%%% column 1. This space can optionally be filled with some text using the
%%% \toappear{...} command. If used, this command must be BEFORE the \maketitle
%%% command. If this command is defined AND [preprint] is on, then the
%%% space is filled with the {...} text (at the bottom); otherwise, it is
%%% blank. If you use \toappearbox{...} instead of \toappear{...} then a
%%% box will be drawn around the text (if [preprint] is on).
%%%
%%% A typical usage looks like this:
%%% \toappear{To appear in the Ninth AES Conference on Medievil Lithuanian
%%% Embalming Technique, June 1991, Alfaretta, Georgia.}
%%% This will be included in the preprint, and left out of the conference
%%% version.
%%%
%%% WARNING:
%%% Some dvi-ps converters heuristically allow chars to drift from their
%%% true positions a few pixels. This may be noticeable with the 9pt sans-serif
%%% bold font used for section headers.
%%% You may turn this hackery off via the -e option:
%%% dvips -e 0 foo.dvi >foo.ps
%%%
\typeout{}
\typeout{Document Class SIGCHI}
\typeout{Available at https://github.com/sigchi.}
\typeout{}
\typeout{- <March 21, 2105> Updated by David A. Shamma for CHI 2016.}
\typeout{- <July 30, 2014> Updated for for 2014 by William Hudson and
Jean-Daniel Fekete.}
\typeout{- <October 19, 2010> Updated for 2011 by Manas Tungare.}
\typeout{Shamelessly copied from}
\typeout{- <September 7, 2000> Modified by Jan O. Borchers from
`chiproceedings'}
\typeout{- <October 2, 2002> Modified by G.K.M. Tobin from
`acm_proc_article-sp'}
\typeout{- <May 22, 1989> Hacked from `acmconf' 4/91 by
shivers@cs.cmu.edu, 4/93 by theobald@cs.mcgill.ca}
\typeout{Excerpts were taken from (Journal Style) 'esub2acm.cls'.}
\typeout{}
\oddsidemargin 1.9025cm % [jdf] stick to CHI Formating Guidelines
\evensidemargin 1.9025cm % [jdf] idem
\advance\oddsidemargin by -1in % Correct for LaTeX gratuitousness
\advance\evensidemargin by -1in % Correct for LaTeX gratuitousness
\marginparwidth 0pt % Margin pars are not allowed.
\marginparsep 11pt % Horizontal space between outer margin and
% marginal note
% Top of page:
\topmargin 2.2cm % [jdf] stick to CHI Formating Guidelines
%\topmargin 6.5pc % Nominal distance from top of page to top of % 00-09-07 job (for A4)
% box containing running head.
\advance\topmargin by -1in % Correct for LaTeX gratuitousness
\headheight 0pt % Height of box containing running head.
\headsep 0pt % Space between running head and text.
% Bottom of page:
\footskip 30pt % Distance from baseline of box containing foot
% to baseline of last line of text.
\@ifundefined{footheight}{\newdimen\footheight}{}% this is for LaTeX2e
\footheight 12pt % Height of box containing running foot.
%% Must redefine the top margin so there's room for headers and
%% page numbers if you are using the preprint option. Footers
%% are OK as is. Olin.
\advance\topmargin by -37pt % Leave 37pt above text for headers
\headheight 12pt % Height of box containing running head.
\headsep 25pt % Space between running head and text.
\textheight 23cm % [jdf] stick to CHI Formating Guidelines
\textwidth 18cm % [jdf] stick to CHI Formating Guidelines
% For two-column mode:
\columnsep 8.5mm % [jdf] stick to CHI Formating Guidelines
\columnseprule 0pt % Width of rule between columns.
\hfuzz 1pt % Allow some variation in column width, otherwise it's
% too hard to typeset in narrow columns.
\footnotesep 5.6pt % Height of strut placed at the beginning of every
% footnote =3D height of normal \footnotesize strut,
% so no extra space between footnotes.
\skip\footins 8.1pt plus 4pt minus 2pt % Space between last line of text and
% top of first footnote.
\floatsep 11pt plus 2pt minus 2pt % Space between adjacent floats moved
% to top or bottom of text page.
\textfloatsep 18pt plus 2pt minus 4pt % Space between main text and floats
% at top or bottom of page.
\intextsep 11pt plus 2pt minus 2pt % Space between in-text figures and
% text.
\@ifundefined{@maxsep}{\newdimen\@maxsep}{}% this is for LaTeX2e
\@maxsep 18pt % The maximum of \floatsep,
% \textfloatsep and \intextsep (minus
% the stretch and shrink).
\dblfloatsep 11pt plus 2pt minus 2pt % Same as \floatsep for double-column
% figures in two-column mode.
\dbltextfloatsep 18pt plus 2pt minus 4pt% \textfloatsep for double-column
% floats.
\@ifundefined{@dblmaxsep}{\newdimen\@dblmaxsep}{}% this is for LaTeX2e
\@dblmaxsep 18pt % The maximum of \dblfloatsep and
% \dbltexfloatsep.
\@fptop 0pt plus 1fil % Stretch at top of float page/column. (Must be
% 0pt plus ...)
\@fpsep 8pt plus 2fil % Space between floats on float page/column.
\@fpbot 0pt plus 1fil % Stretch at bottom of float page/column. (Must be
% 0pt plus ... )
\@dblfptop 0pt plus 1fil % Stretch at top of float page. (Must be 0pt plus ...)
\@dblfpsep 8pt plus 2fil % Space between floats on float page.
\@dblfpbot 0pt plus 1fil % Stretch at bottom of float page. (Must be
% 0pt plus ... )
\marginparpush 5pt % Minimum vertical separation between two marginal
% notes.
\parskip 0pt % Extra vertical space between paragraphs.
% Set to 0pt outside sections, to keep section heads
% uniformly spaced. The value of parskip is set
% to leading value _within_ sections.
% 12 Jan 2000 gkmt
\parindent 0pt % Width of paragraph indentation.
%\partopsep 2pt plus 1pt minus 1pt% Extra vertical space, in addition to
% \parskip and \topsep, added when user
% leaves blank line before environment.
\partopsep 0pt % 00-09-07 job
\doublehyphendemerits=9999 % No consecutive line hyphens
\brokenpenalty=9999 % No broken words across pages
\widowpenalty=9999 % Almost no widows at bottom of page
\clubpenalty=9999 % Almost no orphans at top of page
\interfootnotelinepenalty=9999 % Almost never break footnotes
\@lowpenalty 51 % Produced by \nopagebreak[1] or \nolinebreak[1]
\@medpenalty 151 % Produced by \nopagebreak[2] or \nolinebreak[2]
\@highpenalty 301 % Produced by \nopagebreak[3] or \nolinebreak[3]
\@beginparpenalty -\@lowpenalty % Before a list or paragraph environment.
\@endparpenalty -\@lowpenalty % After a list or paragraph environment.
\@itempenalty -\@lowpenalty % Between list items.
\@namedef{ds@10pt}{\@latexerr{The `10pt' option is not allowed in the `acmconf'
document style.}\@eha}
\@namedef{ds@11pt}{\@latexerr{The `11pt' option is not allowed in the `acmconf'
document style.}\@eha}
\@namedef{ds@12pt}{\@latexerr{The `12pt' option is not allowed in the `acmconf'
document style.}\@eha}
\@options
\lineskip 2pt % \lineskip is 1pt for all font sizes.
\normallineskip 2pt
\def\baselinestretch{1}
\abovedisplayskip 9pt plus2pt minus4.5pt%
\belowdisplayskip \abovedisplayskip
\abovedisplayshortskip \z@ plus3pt%
\belowdisplayshortskip 5.4pt plus3pt minus3pt%
\let\@listi\@listI % Setting of \@listi added 9 Jun 87
\def\small{\@setsize\small{9pt}\viiipt\@viiipt
\abovedisplayskip 7.6pt plus 3pt minus 4pt%
\belowdisplayskip \abovedisplayskip
\abovedisplayshortskip \z@ plus2pt%
\belowdisplayshortskip 3.6pt plus2pt minus 2pt
\def\@listi{\leftmargin\leftmargini %% Added 22 Dec 87
\topsep 4pt plus 2pt minus 2pt\parsep 2pt plus 1pt minus 1pt
\itemsep \parsep}}
\def\footnotesize{\@setsize\footnotesize{9pt}\ixpt\@ixpt
\abovedisplayskip 6.4pt plus 2pt minus 4pt%
\belowdisplayskip \abovedisplayskip
\abovedisplayshortskip \z@ plus 1pt%
\belowdisplayshortskip 2.7pt plus 1pt minus 2pt
\def\@listi{\leftmargin\leftmargini %% Added 22 Dec 87
\topsep 3pt plus 1pt minus 1pt\parsep 2pt plus 1pt minus 1pt
\itemsep \parsep}}
\newcount\aucount
\newcount\originalaucount
\newdimen\auwidth
\auwidth=\textwidth
\newdimen\auskip
\newcount\auskipcount
\newdimen\auskip
\global\auskip=1pc
\newdimen\allauboxes
\allauboxes=\auwidth
\newtoks\addauthors
\newtoks\subtitletext
\gdef\subtitle#1{\subtitletext={#1}}
\gdef\additionalauthors#1{\addauthors={#1}}
\gdef\numberofauthors#1{\global\aucount=#1
\ifnum\aucount>3\global\originalaucount=\aucount \global\aucount=3\fi%
\global\auskipcount=\aucount\global\advance\auskipcount by -1 % [jdf] fix
\global\multiply\auskipcount by 2
\global\multiply\auskip by \auskipcount
\global\advance\auwidth by -\auskip
\global\divide\auwidth by \aucount
\global\advance\auwidth by -5pt} % [jdf] tabular add some horizontal space
% \and was modified to count the number of authors. GKMT 12 Aug 1999
\def\alignauthor{% % \begin{tabular}
\end{tabular} %
\hskip 1pt % [jdf] allow break for more than 3 authors
\begin{tabular}[t]{p{\auwidth}}%
\centering\baselineskip 13pt}% [jdf] added more vertical spacing
% *** NOTE *** NOTE *** NOTE *** NOTE ***
% If you have 'font problems' then you may need
% to change these, e.g. 'arialb' instead of "arialbd".
% Gerry Murray 11/11/1999
% *** OR ** comment out block A and activate block B or vice versa.
% **********************************************
%
% -- Start of block A -- (Type 1 or Truetype fonts)
%\newfont{\secfnt}{timesbd at 12pt} % was timenrb originally - now is timesbd
%\newfont{\secit}{timesbi at 12pt} %13 Jan 00 gkmt
%\newfont{\subsecfnt}{timesi at 11pt} % was timenrri originally - now is timesi
%\newfont{\subsecit}{timesbi at 11pt} % 13 Jan 00 gkmt -- was times changed to timesbi gm 2/4/2000
% % because "normal" is italic, "italic" is Roman
%\newfont{\ttlfnt}{arialbd at 18pt} % was arialb originally - now is arialbd
%\newfont{\ttlit}{arialbi at 18pt} % 13 Jan 00 gkmt
%\newfont{\subttlfnt}{arial at 14pt} % was arialr originally - now is arial
%\newfont{\subttlit}{ariali at 14pt} % 13 Jan 00 gkmt
%\newfont{\subttlbf}{arialbd at 14pt} % 13 Jan 00 gkmt
%\newfont{\aufnt}{arial at 12pt} % was arialr originally - now is arial
%\newfont{\auit}{ariali at 12pt} % 13 Jan 00 gkmt
%\newfont{\affaddr}{arial at 10pt} % was arialr originally - now is arial
%\newfont{\affaddrit}{ariali at 10pt} %13 Jan 00 gkmt
%\newfont{\eaddfnt}{arial at 12pt} % was arialr originally - now is arial
%\newfont{\ixpt}{times at 9pt} % was timenrr originally - now is times
%\newfont{\confname}{timesi at 8pt} % was timenrri - now is timesi
%\newfont{\crnotice}{times at 8pt} % was timenrr originally - now is times
%\newfont{\ninept}{times at 9pt} % was timenrr originally - now is times
% *********************************************
% -- End of block A --
%
%
% -- Start of block B -- METAFONT
% +++++++++++++++++++++++++++++++++++++++++++++
% Next (default) block for those using Metafont
% Gerry Murray 11/11/1999
% *** THIS BLOCK FOR THOSE USING METAFONT *****
% *********************************************
%%\newfont{\secfnt}{ptmb at 12pt}
%\newfont{\secfnt}{phvb at 9pt} % 00-09-07 job
%%\newfont{\secit}{ptmbi at 12pt} %13 Jan 00 gkmt
%\newfont{\secit}{phvbo at 9pt} %13 Jan 00 gkmt % 00-09-07 job
%%\newfont{\subsecfnt}{ptmri at 11pt}
%\newfont{\subsecfnt}{phvro at 9pt} % 00-09-07 job
%%\newfont{\subsecit}{ptmbi at 11pt} % 13 Jan 00 gkmt -- was ptmr changed to ptmbi gm 2/4/2000
%\newfont{\subsecit}{phvr at 9pt} % 13 Jan 00 gkmt -- was ptmr changed to ptmbi gm 2/4/2000 % 00-09-07 job
% % because "normal" is italic, "italic" is Roman
%\newfont{\ttlfnt}{phvb at 18pt}
%\newfont{\ttlit}{phvbo at 18pt} % GM 2/4/2000
%\newfont{\subttlfnt}{phvr at 14pt}
%\newfont{\subttlit}{phvro at 14pt} % GM 2/4/2000
%\newfont{\subttlbf}{phvb at 14pt} % 13 Jan 00 gkmt
%%\newfont{\aufnt}{phvr at 12pt}
%\newfont{\aufnt}{ptmb at 12pt} % 00-09-07 job
%%\newfont{\auit}{phvro at 12pt} % GM 2/4/2000
%\newfont{\auit}{ptmbo at 12pt} % GM 2/4/2000 % 00-09-07 job
%%\newfont{\affaddr}{phvr at 10pt}
%\newfont{\affaddr}{ptmr at 12pt} % 00-09-07 job
%%\newfont{\affaddrit}{phvro at 10pt} % GM 2/4/2000
%\newfont{\affaddrit}{ptmro at 12pt} % GM 2/4/2000 % 00-09-07 job
%%\newfont{\eaddfnt}{phvr at 12pt}
%\newfont{\eaddfnt}{ptmr at 12pt} % 00-09-07 job
%%\newfont{\ixpt}{ptmr at 9pt}
%\newfont{\ixpt}{ptmr at 10pt} % 00-09-07 job
%\newfont{\confname}{ptmri at 8pt}
%\newfont{\crnotice}{ptmr at 8pt}
%%\newfont{\ninept}{ptmr at 9pt}
%\newfont{\ninept}{ptmr at 10pt} % 00-09-07 job
% *********************************************
% -- End of block B --
%
%
% -- Start of block C -- METAFONT (modern usage)
% +++++++++++++++++++++++++++++++++++++++++++++
% Next (default) block for those using Metafont
% Andrew Duchowski 06/19/2006
% *** THIS BLOCK FOR THOSE USING METAFONT *****
% *********************************************
% notes: 7t fonts are 7-bit latex, 8t fonts are T1 fonts
\newfont{\secfnt}{phvb7t at 9pt} % 05-16-2006 atd
\newfont{\secit}{phvbo7t at 9pt} % 05-16-2006 atd
\newfont{\subsecfnt}{phvro7t at 9pt} % 05-16-2006 atd
\newfont{\subsecit}{phvr7t at 9pt} % 05-16-2006 atd
\newfont{\ttlfnt}{phvb7t at 18pt} % 05-16-2006 atd
\newfont{\ttlit}{phvbo7t at 18pt} % 05-16-2006 atd
\newfont{\subttlfnt}{phvr7t at 14pt} % 05-16-2006 atd
\newfont{\subttlit}{phvro7t at 14pt} % 05-16-2006 atd
\newfont{\subttlbf}{phvb7t at 14pt} % 05-16-2006 atd
\newfont{\aufnt}{ptmb7t at 12pt} % 05-16-2006 atd
\newfont{\auit}{ptmbo7t at 12pt} % 05-16-2006 atd
\newfont{\affaddr}{ptmr7t at 12pt} % 05-16-2006 atd
\newfont{\affaddrit}{ptmro7t at 12pt} % 05-16-2006 atd
\newfont{\eaddfnt}{ptmr7t at 12pt} % 05-16-2006 atd
\newfont{\ixpt}{ptmr7t at 10pt} % 05-16-2006 atd
\newfont{\confname}{ptmri7t at 8pt} % 05-16-2006 atd
\newfont{\crnotice}{ptmr7t at 8pt} % 05-16-2006 atd
\newfont{\ninept}{ptmr7t at 10pt} % 05-16-2006 atd
% +++++++++++++++++++++++++++++++++++++++++++++
% -- End of block C --
%\def\email#1{{{\eaddfnt{\vskip 4pt#1}}}}
\def\email#1{{{\eaddfnt{#1}}}} % 00-09-07 job
\def\addauthorsection{\ifnum\originalaucount>3
\section{Additional Authors}\the\addauthors
\fi}
\newcount\savesection
\newcount\sectioncntr
\global\sectioncntr=1
\setcounter{secnumdepth}{0}
\def\appendix{\par
\section*{APPENDIX}
\setcounter{section}{0}
\setcounter{subsection}{0}
\def\thesection{\Alph{section}} }
%\leftmargini 22.5pt
\leftmargini 10pt % DLC
\leftmarginii 19.8pt % > \labelsep + width of '(m)'
\leftmarginiii 16.8pt % > \labelsep + width of 'vii.'
\leftmarginiv 15.3pt % > \labelsep + width of 'M.'
\leftmarginv 9pt
\leftmarginvi 9pt
\leftmargin\leftmargini
\labelsep 4.5pt
\labelwidth\leftmargini\advance\labelwidth-\labelsep
\def\@listI{\leftmargin\leftmargini \parsep 3.6pt plus 2pt minus 1pt%
%\topsep 7.2pt plus 2pt minus 4pt%
\topsep 0pt% % 00-09-07 job
\itemsep 3.6pt plus 2pt minus 1pt}
\let\@listi\@listI
\@listi
\def\@listii{\leftmargin\leftmarginii
\labelwidth\leftmarginii\advance\labelwidth-\labelsep
\topsep 3.6pt plus 2pt minus 1pt
\parsep 1.8pt plus 0.9pt minus 0.9pt
\itemsep \parsep}
\def\@listiii{\leftmargin\leftmarginiii
\labelwidth\leftmarginiii\advance\labelwidth-\labelsep
\topsep 1.8pt plus 0.9pt minus 0.9pt
\parsep \z@ \partopsep 1pt plus 0pt minus 1pt
\itemsep \topsep}
\def\@listiv{\leftmargin\leftmarginiv
\labelwidth\leftmarginiv\advance\labelwidth-\labelsep}
\def\@listv{\leftmargin\leftmarginv
\labelwidth\leftmarginv\advance\labelwidth-\labelsep}
\def\@listvi{\leftmargin\leftmarginvi
\labelwidth\leftmarginvi\advance\labelwidth-\labelsep}
\def\labelenumi{\theenumi.}
\def\theenumi{\arabic{enumi}}
\def\labelenumii{(\theenumii)}
\def\theenumii{\alph{enumii}}
\def\p@enumii{\theenumi}
\def\labelenumiii{\theenumiii.}
\def\theenumiii{\roman{enumiii}}
\def\p@enumiii{\theenumi(\theenumii)}
\def\labelenumiv{\theenumiv.}
\def\theenumiv{\Alph{enumiv}}
\def\p@enumiv{\p@enumiii\theenumiii}
\def\labelitemi{$\bullet$}
\def\labelitemii{\bf --}
\def\labelitemiii{$\ast$}
\def\labelitemiv{$\cdot$}
\def\verse{\let\\=\@centercr
\list{}{\itemsep\z@ \itemindent -1.5em\listparindent \itemindent
\rightmargin\leftmargin\advance\leftmargin 1.5em}\item[]}
\let\endverse\endlist
\def\quotation{\list{}{\listparindent 1.5em
\itemindent\listparindent
\rightmargin\leftmargin \parsep 0pt plus 1pt}\item[]}
\let\endquotation=\endlist
\def\quote{\list{}{\rightmargin\leftmargin}\item[]}
\let\endquote=\endlist
\def\descriptionlabel#1{\hspace\labelsep \bf #1}
\def\description{\list{}{\labelwidth\z@ \itemindent-\leftmargin
\let\makelabel\descriptionlabel}}
\let\enddescription\endlist
\def\theequation{\arabic{equation}}
\arraycolsep 4.5pt % Half the space between columns in an array environment.
\tabcolsep 5.4pt % Half the space between columns in a tabular environment.
\arrayrulewidth .4pt % Width of rules in array and tabular environment.
\doublerulesep 1.8pt % Space between adjacent rules in array or tabular env.
\tabbingsep \labelsep % Space used by the \' command. (See LaTeX manual.)
\skip\@mpfootins =\skip\footins
\fboxsep =2.7pt % Space left between box and text by \fbox and \framebox.
\fboxrule =.4pt % Width of rules in box made by \fbox and \framebox.
\def\thepart{\Roman{part}} % Roman numeral part numbers.
\def\thesection {\arabic{section}}
\def\thesubsection {\thesection.\arabic{subsection}}
%\def\thesubsubsection {\thesubsection.\arabic{subsubsection}} % GM 7/30/2002
%\def\theparagraph {\thesubsubsection.\arabic{paragraph}} % GM 7/30/2002
\def\thesubparagraph {\theparagraph.\arabic{subparagraph}}
\def\@pnumwidth{1.55em}
\def\@tocrmarg {2.55em}
\def\@dotsep{4.5}
\setcounter{tocdepth}{3}
\def\tableofcontents{\@latexerr{\tableofcontents: Tables of contents are not
allowed in the `acmconf' document style.}\@eha}
\def\l@part#1#2{\addpenalty{\@secpenalty}
\addvspace{2.25em plus 1pt} % space above part line
\begingroup
\@tempdima 3em % width of box holding part number, used by
\parindent \z@ \rightskip \@pnumwidth %% \numberline
\parfillskip -\@pnumwidth
{\large \bf % set line in \large boldface
\leavevmode % TeX command to enter horizontal mode.
#1\hfil \hbox to\@pnumwidth{\hss #2}}\par
\nobreak % Never break after part entry
\endgroup}
\def\l@section#1#2{\addpenalty{\@secpenalty} % good place for page break
\addvspace{1.0em plus 1pt} % space above toc entry
\@tempdima 1.5em % width of box holding section number
\begingroup
\parindent \z@ \rightskip \@pnumwidth
\parfillskip -\@pnumwidth
\bf % Boldface.
\leavevmode % TeX command to enter horizontal mode.
\advance\leftskip\@tempdima %% added 5 Feb 88 to conform to
\hskip -\leftskip %% 25 Jan 88 change to \numberline
#1\nobreak\hfil \nobreak\hbox to\@pnumwidth{\hss #2}\par
\endgroup}
\def\l@subsection{\@dottedtocline{2}{1.5em}{2.3em}}
\def\l@subsubsection{\@dottedtocline{3}{3.8em}{3.2em}}
\def\l@paragraph{\@dottedtocline{4}{7.0em}{4.1em}}
\def\l@subparagraph{\@dottedtocline{5}{10em}{5em}}
\def\listoffigures{\@latexerr{\listoffigures: Lists of figures are not
allowed in the `acmconf' document style.}\@eha}
\def\l@figure{\@dottedtocline{1}{1.5em}{2.3em}}
\def\listoftables{\@latexerr{\listoftables: Lists of tables are not
allowed in the `acmconf' document style.}\@eha}
\let\l@table\l@figure
\def\footnoterule{\kern-3\p@
\hrule width .4\columnwidth
\kern 2.6\p@} % The \hrule has default height of .4pt .
% ------
\long\def\@makefntext#1{\noindent
%\hbox to .5em{\hss$^{\@thefnmark}$}#1} % original
\hbox to .5em{\hss\textsuperscript{\@thefnmark}}#1} % C. Clifton / GM Oct. 2nd. 2002
% -------
\long\def\@maketntext#1{\noindent
#1}
\long\def\@maketitlenotetext#1#2{\noindent
\hbox to 1.8em{\hss$^{#1}$}#2}
\setcounter{topnumber}{2}
\def\topfraction{.7}
\setcounter{bottomnumber}{1}
\def\bottomfraction{.3}
\setcounter{totalnumber}{3}
\def\textfraction{.2}
\def\floatpagefraction{.5}
\setcounter{dbltopnumber}{2}
\def\dbltopfraction{.7}
\def\dblfloatpagefraction{.5}
% According to the CHI specifications, captions should be centered.
% This looks kind of bad for multi-line captions, so I only center
% 1-line captions.
\long\def\@makecaption#1#2{
\vskip 2pt % \baselineskip
\setbox\@tempboxa\hbox{\small
\textbf{#1. #2}} % DLC
\ifdim \wd\@tempboxa >\hsize % IF longer than one line:
\small\textbf{#1. #2}\par % THEN set as ordinary paragraph.
\else % ELSE center.
\hbox to\hsize{\hfil\box\@tempboxa\hfil}\par
\fi}
\@ifundefined{figure}{\newcounter {figure}} % this is for LaTeX2e
\def\fps@figure{tbp}
\def\ftype@figure{1}
\def\ext@figure{lof}
\def\fnum@figure{Figure \thefigure}
\def\figure{\@float{figure}}
\def\endfigure{\end@float}
\@namedef{figure*}{\@dblfloat{figure}}
\@namedef{endfigure*}{\end@dblfloat}
\@ifundefined{table}{\newcounter {table}} % this is for LaTeX2e
\def\fps@table{tbp}
\def\ftype@table{2}
\def\ext@table{lot}
\def\fnum@table{Table \thetable}
\def\table{\@float{table}}
\def\endtable{\end@float}
\@namedef{table*}{\@dblfloat{table}}
\@namedef{endtable*}{\end@dblfloat}
% [jdf] create a \teaser command for adding a figure in title page
\newcommand{\chi@empty}{}
\newcommand{\chi@teaser}{}
\newcommand{\teaser}[1]{\renewcommand{\chi@teaser}{#1}}
\newlength{\teaserspace}
\setlength{\teaserspace}{0.25in}
% [jdf] end teaser
\newtoks\titleboxnotes
\newcount\titleboxnoteflag
\def\maketitle{\par
\begingroup
\def\thefootnote{\fnsymbol{footnote}}
\def\@makefnmark{\hbox
to 0pt{$^{\@thefnmark}$\hss}}
\twocolumn[\@maketitle]
\@thanks
\endgroup
\setcounter{footnote}{0}
\let\maketitle\relax
\let\@maketitle\relax
\gdef\@thanks{}\gdef\@author{}\gdef\@title{}\gdef\@subtitle{}\let\thanks\relax
\@copyrightspace} % JRB 2008-08-13 this line was commented out for some reason
% which meant that the copyright space wasn't reserved.
% I re-enabled it.
% actual class setup happens here:
\NeedsTeXFormat{LaTeX2e}
\ProvidesClass{sigchi} [2011/06/06 - V0.16] % DLC
\RequirePackage{latexsym}% QUERY: are these two really needed?
\def\@height{height}
\def\@width{width}
\def\@minus{minus}
\def\@plus{plus}
\def\hb@xt@{\hbox to}
\newif\if@faircopy
\@faircopyfalse
\def\ds@faircopy{\@faircopytrue}
\def\ds@preprint{\@faircopyfalse}
\@twosidetrue
\@mparswitchtrue
\def\ds@draft{\overfullrule 5\p@}
\lineskip \p@
\normallineskip \p@
\def\baselinestretch{1}
\def\@ptsize{0} %needed for amssymbols.sty
% allow use of old-style font change commands in LaTeX2e
\@maxdepth\maxdepth
%
\DeclareOldFontCommand{\rm}{\ninept\rmfamily}{\mathrm}
\DeclareOldFontCommand{\sf}{\normalfont\sffamily}{\mathsf}
\DeclareOldFontCommand{\tt}{\normalfont\ttfamily}{\mathtt}
\DeclareOldFontCommand{\bf}{\normalfont\bfseries}{\mathbf}
\DeclareOldFontCommand{\it}{\normalfont\itshape}{\mathit}
\DeclareOldFontCommand{\sl}{\normalfont\slshape}{\@nomath\sl}
\DeclareOldFontCommand{\sc}{\normalfont\scshape}{\@nomath\sc}
\DeclareRobustCommand*{\cal}{\@fontswitch{\relax}{\mathcal}}
\DeclareRobustCommand*{\mit}{\@fontswitch{\relax}{\mathnormal}}
\renewcommand{\rmdefault}{cmr} % was 'ttm'
% Note! I have also found 'mvr' to work ESPECIALLY well.
% Gerry - October 1999
% You may need to change your LV1times.fd file so that sc is
% mapped to cmcsc - -for smallcaps -- that is if you decide
% to change {cmr} to {times} above. (Not recommended)
\renewcommand{\@ptsize}{}
\renewcommand{\normalsize}{%
% \@setfontsize\normalsize\@ixpt{10.5\p@}%\ninept%
\@setfontsize\normalsize\@xpt{11\p@}%\ninept% % from 9/10.5 to 10/11 00-09-07 job
\abovedisplayskip 6\p@ \@plus2\p@ \@minus\p@
\belowdisplayskip \abovedisplayskip
\abovedisplayshortskip 6\p@ \@minus 3\p@
\belowdisplayshortskip 6\p@ \@minus 3\p@
\let\@listi\@listI
}
\newcommand\scriptsize{\@setfontsize\scriptsize\@viipt{8\p@}}
\newcommand\tiny{\@setfontsize\tiny\@vpt{6\p@}}
\newcommand\large{\@setfontsize\large\@xiipt{14\p@}}
\newcommand\Large{\@setfontsize\Large\@xivpt{18\p@}}
\newcommand\LARGE{\@setfontsize\LARGE\@xviipt{20\p@}}
\newcommand\huge{\@setfontsize\huge\@xxpt{25\p@}}
\newcommand\Huge{\@setfontsize\Huge\@xxvpt{30\p@}}
\normalsize
% make aubox hsize/number of authors up to 3, less gutter
% then showbox gutter showbox gutter showbox -- GKMT Aug 99
%\newbox\@acmtitlebox % [jdf] no use of the box
\def\@maketitle{\newpage
\null
%\setbox\@acmtitlebox\vbox{ % [jdf] box not used
\baselineskip 20pt % [jdf] no skip
\vskip 1em % [jdf] removed Vertical space above title.
\begin{center}
{\ttlfnt \@title\par} % Title set in 18pt Helvetica (Arial) bold size.
\vskip 0.5ex % [jdf] Vertical space after title.
%This should be the subtitle.
{\subttlfnt \the\subtitletext\par}\vskip 0.7ex%\fi [jdf] less vertical space
{\baselineskip 16pt\aufnt % each author set in \12 pt Arial, in a
\lineskip .5em % tabular environment
\begin{tabular}[t]{c}\@author
\end{tabular}\par}
\vskip 1em % [jdf] reduced Vertical space after author.
\end{center}% % [jdf] begin add teaser
\ifx\chi@teaser\chi@empty \else%
\begingroup%
\def\@captype{figure}%
\chi@teaser%
\endgroup\par%
\vspace{\teaserspace}% % [jdf] end teaser
\fi}
% \dimen0=\ht\@acmtitlebox % [jdf] removed box stuff
% \advance\dimen0 by -12.75pc\relax % Increased space for title box -- KBT
% \advance\dimen0 by -8.75pc\relax % Increased space for title box -- KBT % 00-09-07 job (decreased)
% \unvbox\@acmtitlebox
% \ifdim\dimen0<0.0pt\relax\vskip-\dimen0\fi}
\newcount\titlenotecount
\global\titlenotecount=0
\newtoks\tntoks
\newtoks\tntokstwo
\newtoks\tntoksthree
\newtoks\tntoksfour
\newtoks\tntoksfive
\def\abstract{
\ifnum\titlenotecount>0 % was =1
\insert\footins{%
\reset@font\footnotesize
\interlinepenalty\interfootnotelinepenalty
\splittopskip\footnotesep
\splitmaxdepth \dp\strutbox \floatingpenalty \@MM
\hsize\columnwidth \@parboxrestore
\protected@edef\@currentlabel{%
}%
\color@begingroup
\ifnum\titlenotecount=1
\@maketntext{%
\raisebox{4pt}{$\ast$}\rule\z@\footnotesep\ignorespaces\the\tntoks\@finalstrut\strutbox}%
\fi
\ifnum\titlenotecount=2
\@maketntext{%
\raisebox{4pt}{$\ast$}\rule\z@\footnotesep\ignorespaces\the\tntoks\par\@finalstrut\strutbox}%
\@maketntext{%
\raisebox{4pt}{$\dagger$}\rule\z@\footnotesep\ignorespaces\the\tntokstwo\@finalstrut\strutbox}%
\fi
\ifnum\titlenotecount=3
\@maketntext{%
\raisebox{4pt}{$\ast$}\rule\z@\footnotesep\ignorespaces\the\tntoks\par\@finalstrut\strutbox}%
\@maketntext{%
\raisebox{4pt}{$\dagger$}\rule\z@\footnotesep\ignorespaces\the\tntokstwo\par\@finalstrut\strutbox}%
\@maketntext{%
\raisebox{4pt}{$\ddagger$}\rule\z@\footnotesep\ignorespaces\the\tntoksthree\@finalstrut\strutbox}%
\fi
\ifnum\titlenotecount=4
\@maketntext{%
\raisebox{4pt}{$\ast$}\rule\z@\footnotesep\ignorespaces\the\tntoks\par\@finalstrut\strutbox}%
\@maketntext{%
\raisebox{4pt}{$\dagger$}\rule\z@\footnotesep\ignorespaces\the\tntokstwo\par\@finalstrut\strutbox}%
\@maketntext{%
\raisebox{4pt}{$\ddagger$}\rule\z@\footnotesep\ignorespaces\the\tntoksthree\par\@finalstrut\strutbox}%
\@maketntext{%
\raisebox{4pt}{$\S$}\rule\z@\footnotesep\ignorespaces\the\tntoksfour\@finalstrut\strutbox}%
\fi
\ifnum\titlenotecount=5
\@maketntext{%
\raisebox{4pt}{$\ast$}\rule\z@\footnotesep\ignorespaces\the\tntoks\par\@finalstrut\strutbox}%
\@maketntext{%
\raisebox{4pt}{$\dagger$}\rule\z@\footnotesep\ignorespaces\the\tntokstwo\par\@finalstrut\strutbox}%
\@maketntext{%
\raisebox{4pt}{$\ddagger$}\rule\z@\footnotesep\ignorespaces\the\tntoksthree\par\@finalstrut\strutbox}%
\@maketntext{%
\raisebox{4pt}{$\S$}\rule\z@\footnotesep\ignorespaces\the\tntoksfour\par\@finalstrut\strutbox}%
\@maketntext{%
\raisebox{4pt}{$\P$}\rule\z@\footnotesep\ignorespaces\the\tntoksfive\@finalstrut\strutbox}%
\fi
\color@endgroup} %g}
\fi
\setcounter{footnote}{0}
\section*{ABSTRACT}\normalsize %\the\parskip \the\baselineskip%\ninept
}
\def\endabstract{\if@twocolumn\else\endquotation\fi}
\def\keywords#1{%\if@twocolumn
\section*{Author Keywords}
\begin{flushleft}#1\end{flushleft}
%\else \small
%\quotation #1
%\fi
}
\def\classification#1{%\if@twocolumn
\section*{ACM Classification Keywords}
\begin{flushleft}#1\end{flushleft}
%\else \small
%\quotation\the\parskip
%\fi
}
% I've pulled the check for 2 cols, since proceedings are _always_
% two-column 11 Jan 2000 gkmt
\def\terms#1{%\if@twocolumn
\section*{General Terms}
\begin{flushleft}#1\end{flushleft}
%\else \small
%\quotation\the\parskip
%\fi
}
% -- Classification needs to be a bit smart due to optionals - Gerry/Georgia November 2nd. 1999
\newcount\catcount
\global\catcount=1
\def\category#1#2#3{%
\ifnum\catcount=1
\section*{ACM Classification Keywords} % DLC
\advance\catcount by 1\else{\unskip; }\fi
\@ifnextchar [{\@category{#1}{#2}{#3}}{\@category{#1}{#2}{#3}[]}%
}
\def\@category#1#2#3[#4]{%
\begingroup
\let\and\relax
% #1 [\textbf{#2}]%
#1 #2% % DLC
\if!#4!%
\if!#3!\else : #3\fi
\else
:\space
\if!#3!\else #3\kern\z@---\hskip\z@\fi
\textit{#4}%
\fi
\endgroup
}
%
%%% This section (written by KBT) handles the 1" box in the lower left
%%% corner of the left column of the first page by creating a picture,
%%% and inserting the predefined string at the bottom (with a negative
%%% displacement to offset the space allocated for a non-existent
%%% caption).
%%%
\newtoks\copyrightnotice
\newcounter{copyrightbox} % llt: enable compatibility with the caption package
\def\ftype@copyrightbox{8}
\def\@copyrightspace{
\@float{copyrightbox}[b]
\begin{center}
\setlength{\unitlength}{1pc}
\begin{picture}(20,6) %Space for copyright notice
\put(0,-0.95){\crnotice{\@toappear}}
\end{picture}
\end{center}
\end@float}
\def\@toappear{} % Default setting blank - commands below change this.
\long\def\toappear#1{\def\@toappear{\parbox[b]{20pc}{\scriptsize\baselineskip 8pt#1}}}
\def\toappearbox#1{\def\@toappear{\raisebox{5pt}{\framebox[20pc]{\parbox[b]{19pc}{#1}}}}}
\newtoks\conf
\newtoks\confinfo
\def\conferenceinfo#1#2{\global\conf={#1}\global\confinfo{#2}}
% Introduce a "chi_draft" option which conditionally enables marginpars with a warning.
\let\oldmarginpar\marginpar
\renewcommand{\marginpar}[2][]{\@latexerr{The marginpar command is not allowed in the
`acmconf' document style.}\@eha}
\DeclareOption{chi_draft}{
\marginparwidth 40pt
\renewcommand{\marginpar}[2][]{\@latex@warning{The marginpar command is not allowed in the `acmconf'
document style. Remove all occurences before final document submission.}\oldmarginpar[#1]{#2}}
}
% Immediately execute the options at this point. Reason is discussed
% here: https://tex.stackexchange.com/questions/203387/
\ProcessOptions
\mark{{}{}} % Initializes TeX's marks
\def\today{\ifcase\month\or
January\or February\or March\or April\or May\or June\or
July\or August\or September\or October\or November\or December\fi
\space\number\day, \number\year}
\def\@begintheorem#1#2{%
\trivlist
\item[%
\hskip 10\p@
\hskip \labelsep
{{\sc #1}\hskip 5\p@\relax#2.}%
]
\it
}
\def\@opargbegintheorem#1#2#3{%
\trivlist
\item[%
\hskip 10\p@
\hskip \labelsep
{\sc #1\ #2\ % This mod by Gerry to enumerate corollaries
\setbox\@tempboxa\hbox{(#3)} % and bracket the 'corollary title'
\ifdim \wd\@tempboxa>\z@ % and retain the correct numbering of e.g. theorems
\hskip 5\p@\relax % if they occur 'around' said corollaries.
\box\@tempboxa % Gerry - Nov. 1999.
\fi.}%
]
\it
}
\newif\if@qeded
\global\@qededfalse
% -- original
%\def\proof{%
% \vspace{-\parskip} % GM July 2000 (for tighter spacing)
% \global\@qededfalse