Index: doc/papers/OOPSLA17/acmart.cls
===================================================================
--- doc/papers/OOPSLA17/acmart.cls	(revision 90152a4860529aff7214be01cd22abd37012cd19)
+++ doc/papers/OOPSLA17/acmart.cls	(revision 90152a4860529aff7214be01cd22abd37012cd19)
@@ -0,0 +1,2188 @@
+%%
+%% This is file `acmart.cls',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% acmart.dtx  (with options: `class')
+%% 
+%% IMPORTANT NOTICE:
+%% 
+%% For the copyright see the source file.
+%% 
+%% Any modified versions of this file must be renamed
+%% with new filenames distinct from acmart.cls.
+%% 
+%% For distribution of the original source see the terms
+%% for copying and modification in the file acmart.dtx.
+%% 
+%% This generated file may be distributed as long as the
+%% original source files, as listed above, are part of the
+%% same distribution. (The sources need not necessarily be
+%% in the same archive or directory.)
+%% \CharacterTable
+%%  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
+%%   Lower-case    \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
+%%   Digits        \0\1\2\3\4\5\6\7\8\9
+%%   Exclamation   \!     Double quote  \"     Hash (number) \#
+%%   Dollar        \$     Percent       \%     Ampersand     \&
+%%   Acute accent  \'     Left paren    \(     Right paren   \)
+%%   Asterisk      \*     Plus          \+     Comma         \,
+%%   Minus         \-     Point         \.     Solidus       \/
+%%   Colon         \:     Semicolon     \;     Less than     \<
+%%   Equals        \=     Greater than  \>     Question mark \?
+%%   Commercial at \@     Left bracket  \[     Backslash     \\
+%%   Right bracket \]     Circumflex    \^     Underscore    \_
+%%   Grave accent  \`     Left brace    \{     Vertical bar  \|
+%%   Right brace   \}     Tilde         \~}
+
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesClass{acmart}
+[2016/12/03 v1.25 Typesetting articles for Association of
+Computing Machinery]
+\def\@classname{acmart}
+\RequirePackage{xkeyval}
+\define@choicekey*+{acmart.cls}{format}[\ACM@format\ACM@format@nr]{%
+  manuscript, acmsmall, acmlarge, acmtog, sigconf, siggraph,
+  sigplan, sigchi, sigchi-a}[manuscript]{}{%
+  \ClassError{\@classname}{The option format must be manuscript,
+    acmsmall, acmlarge, acmtog, sigconf, siggraph,
+    sigplan, sigchi or sigchi-a}}
+\def\@DeclareACMFormat#1{\DeclareOptionX{#1}{\setkeys{acmart.cls}{format=#1}}}
+\@DeclareACMFormat{manuscript}
+\@DeclareACMFormat{acmsmall}
+\@DeclareACMFormat{acmlarge}
+\@DeclareACMFormat{acmtog}
+\@DeclareACMFormat{sigconf}
+\@DeclareACMFormat{siggraph}
+\@DeclareACMFormat{sigplan}
+\@DeclareACMFormat{sigchi}
+\@DeclareACMFormat{sigchi-a}
+\ExecuteOptionsX{format}
+\define@boolkey+{acmart.cls}[@ACM@]{screen}[true]{%
+  \if@ACM@screen
+    \PackageInfo{\@classname}{Using screen mode}%
+  \else
+    \PackageInfo{\@classname}{Not using screen mode}%
+  \fi}{\PackageError{\@classname}{Option screen can be either true or
+    false}}
+\ExecuteOptionsX{screen=false}
+\define@boolkey+{acmart.cls}[@ACM@]{review}[true]{%
+  \if@ACM@review
+    \PackageInfo{\@classname}{Using review mode}%
+  \else
+    \PackageInfo{\@classname}{Not using review mode}%
+  \fi}{\PackageError{\@classname}{Option review can be either true or
+    false}}
+\ExecuteOptionsX{review=false}
+\define@boolkey+{acmart.cls}[@ACM@]{authorversion}[true]{%
+  \if@ACM@authorversion
+    \PackageInfo{\@classname}{Using authorversion mode}%
+  \else
+    \PackageInfo{\@classname}{Not using authorversion mode}%
+  \fi}{\PackageError{\@classname}{Option authorversion can be either true or
+    false}}
+\ExecuteOptionsX{authorversion=false}
+\newif\if@ACM@natbib@override
+\@ACM@natbib@overridefalse
+\define@boolkey+{acmart.cls}[@ACM@]{natbib}[true]{%
+  \@ACM@natbib@overridetrue
+  \if@ACM@natbib
+    \PackageInfo{\@classname}{Explicitly selecting natbib mode}%
+  \else
+    \PackageInfo{\@classname}{Explicitly deselecting natbib mode}%
+  \fi}{\PackageError{\@classname}{Option natbib can be either true or
+    false}}
+\define@boolkey+{acmart.cls}[@ACM@]{anonymous}[true]{%
+  \if@ACM@anonymous
+    \PackageInfo{\@classname}{Using anonymous mode}%
+  \else
+    \PackageInfo{\@classname}{Not using anonymous mode}%
+  \fi}{\PackageError{\@classname}{Option anonymous can be either true or
+    false}}
+\ExecuteOptionsX{anonymous=false}
+\def\ACM@fontsize{}
+\DeclareOptionX{9pt}{\edef\ACM@fontsize{\CurrentOption}}
+\DeclareOptionX{10pt}{\edef\ACM@fontsize{\CurrentOption}}
+\DeclareOptionX{11pt}{\edef\ACM@fontsize{\CurrentOption}}
+\DeclareOptionX{12pt}{\edef\ACM@fontsize{\CurrentOption}}
+\DeclareOptionX{draft}{\PassOptionsToClass{\CurrentOption}{amsart}}
+\DeclareOptionX{*}{\PassOptionsToClass{\CurrentOption}{amsart}}
+\ProcessOptionsX
+\ClassInfo{\@classname}{Using format \ACM@format, number \ACM@format@nr}
+\newif\if@ACM@manuscript
+\newif\if@ACM@journal
+\newif\if@ACM@sigchiamode
+\ifnum\ACM@format@nr=0\relax
+  \@ACM@manuscripttrue
+\else
+  \@ACM@manuscriptfalse
+\fi
+\@ACM@sigchiamodefalse
+\ifcase\ACM@format@nr
+\relax % manuscript
+  \@ACM@journaltrue
+\or % acmsmall
+  \@ACM@journaltrue
+\or % acmlarge
+  \@ACM@journaltrue
+\or % acmtog
+  \@ACM@journaltrue
+\or % sigconf
+  \@ACM@journalfalse
+\or % siggraph
+  \@ACM@journalfalse
+ \or % sigplan
+  \@ACM@journalfalse
+ \or % sigchi
+  \@ACM@journalfalse
+\or % sigchi-a
+  \@ACM@journalfalse
+  \@ACM@sigchiamodetrue
+\fi
+\if@ACM@natbib@override\else
+    \@ACM@natbibtrue
+\fi
+\ifx\ACM@fontsize\@empty
+  \ifcase\ACM@format@nr
+  \relax % manuscript
+    \def\ACM@fontsize{9pt}%
+  \or % acmsmall
+    \def\ACM@fontsize{10pt}%
+  \or % acmlarge
+    \def\ACM@fontsize{10pt}%
+  \or % acmtog
+    \def\ACM@fontsize{9pt}%
+  \or % sigconf
+    \def\ACM@fontsize{9pt}%
+  \or % siggraph
+    \def\ACM@fontsize{9pt}%
+   \or % sigplan
+    \def\ACM@fontsize{9pt}%
+   \or % sigchi
+    \def\ACM@fontsize{10pt}%
+  \or % sigchi-a
+    \def\ACM@fontsize{10pt}%
+  \fi
+\fi
+\ClassInfo{\@classname}{Using fontsize \ACM@fontsize}
+\LoadClass[\ACM@fontsize, reqno]{amsart}
+\RequirePackage{microtype}
+\RequirePackage{totpages}
+\RequirePackage{environ}
+\if@ACM@manuscript
+\RequirePackage{setspace}
+\onehalfspacing
+\fi
+\if@ACM@natbib
+  \RequirePackage{natbib}
+  \renewcommand{\bibsection}{%
+     \section*{\refname}%
+     \phantomsection\addcontentsline{toc}{section}{\refname}%
+  }
+  \renewcommand{\bibfont}{\bibliofont}
+  \renewcommand\setcitestyle[1]{
+  \@for\@tempa:=#1\do
+  {\def\@tempb{round}\ifx\@tempa\@tempb
+     \renewcommand\NAT@open{(}\renewcommand\NAT@close{)}\fi
+   \def\@tempb{square}\ifx\@tempa\@tempb
+     \renewcommand\NAT@open{[}\renewcommand\NAT@close{]}\fi
+   \def\@tempb{angle}\ifx\@tempa\@tempb
+     \renewcommand\NAT@open{$<$}\renewcommand\NAT@close{$>$}\fi
+   \def\@tempb{curly}\ifx\@tempa\@tempb
+     \renewcommand\NAT@open{\{}\renewcommand\NAT@close{\}}\fi
+   \def\@tempb{semicolon}\ifx\@tempa\@tempb
+     \renewcommand\NAT@sep{;}\fi
+   \def\@tempb{colon}\ifx\@tempa\@tempb
+     \renewcommand\NAT@sep{;}\fi
+   \def\@tempb{comma}\ifx\@tempa\@tempb
+     \renewcommand\NAT@sep{,}\fi
+   \def\@tempb{authoryear}\ifx\@tempa\@tempb
+     \NAT@numbersfalse\fi
+   \def\@tempb{numbers}\ifx\@tempa\@tempb
+     \NAT@numberstrue\NAT@superfalse\fi
+   \def\@tempb{super}\ifx\@tempa\@tempb
+     \NAT@numberstrue\NAT@supertrue\fi
+   \def\@tempb{nobibstyle}\ifx\@tempa\@tempb
+     \let\bibstyle=\@gobble\fi
+   \def\@tempb{bibstyle}\ifx\@tempa\@tempb
+     \let\bibstyle=\@citestyle\fi
+   \def\@tempb{sort}\ifx\@tempa\@tempb
+     \def\NAT@sort{\@ne}\fi
+   \def\@tempb{nosort}\ifx\@tempa\@tempb
+     \def\NAT@sort{\z@}\fi
+   \def\@tempb{compress}\ifx\@tempa\@tempb
+     \def\NAT@cmprs{\@ne}\fi
+   \def\@tempb{nocompress}\ifx\@tempa\@tempb
+     \def\NAT@cmprs{\@z}\fi
+   \def\@tempb{sort&compress}\ifx\@tempa\@tempb
+     \def\NAT@sort{\@ne}\def\NAT@cmprs{\@ne}\fi
+   \def\@tempb{mcite}\ifx\@tempa\@tempb
+     \let\NAT@merge\@ne\fi
+   \def\@tempb{merge}\ifx\@tempa\@tempb
+     \@ifnum{\NAT@merge<\tw@}{\let\NAT@merge\tw@}{}\fi
+   \def\@tempb{elide}\ifx\@tempa\@tempb
+     \@ifnum{\NAT@merge<\thr@@}{\let\NAT@merge\thr@@}{}\fi
+   \def\@tempb{longnamesfirst}\ifx\@tempa\@tempb
+     \NAT@longnamestrue\fi
+   \def\@tempb{nonamebreak}\ifx\@tempa\@tempb
+     \def\NAT@nmfmt#1{\mbox{\NAT@up#1}}\fi
+   \expandafter\NAT@find@eq\@tempa=\relax\@nil
+   \if\@tempc\relax\else
+     \expandafter\NAT@rem@eq\@tempc
+     \def\@tempb{open}\ifx\@tempa\@tempb
+      \xdef\NAT@open{\@tempc}\fi
+     \def\@tempb{close}\ifx\@tempa\@tempb
+      \xdef\NAT@close{\@tempc}\fi
+     \def\@tempb{aysep}\ifx\@tempa\@tempb
+      \xdef\NAT@aysep{\@tempc}\fi
+     \def\@tempb{yysep}\ifx\@tempa\@tempb
+      \xdef\NAT@yrsep{\@tempc}\fi
+     \def\@tempb{notesep}\ifx\@tempa\@tempb
+      \xdef\NAT@cmt{\@tempc}\fi
+     \def\@tempb{citesep}\ifx\@tempa\@tempb
+      \xdef\NAT@sep{\@tempc}\fi
+   \fi
+  }%
+  \NAT@@setcites
+  }
+  \renewcommand\citestyle[1]{%
+    \ifcsname bibstyle@#1\endcsname%
+    \csname bibstyle@#1\endcsname\let\bibstyle\@gobble%
+    \else%
+    \@latex@error{Undefined `#1' citestyle}%
+    \fi
+  }%
+\fi
+\newcommand{\bibstyle@acmauthoryear}{%
+  \setcitestyle{%
+    authoryear,%
+    open={(},close={)},citesep={;},%
+    aysep={},yysep={,},%
+    notesep={, }}}
+\newcommand{\bibstyle@acmnumeric}{%
+  \setcitestyle{%
+    numbers,sort&compress,%
+    open={[},close={]},citesep={,},%
+    notesep={, }}}
+\citestyle{acmnumeric}
+\def\@startsection#1#2#3#4#5#6{%
+  \if@noskipsec \leavevmode \fi
+  \par
+  \@tempskipa #4\relax
+  \@afterindenttrue
+  \ifdim \@tempskipa <\z@
+    \@tempskipa -\@tempskipa \@afterindentfalse
+  \fi
+  \if@nobreak
+    \everypar{}%
+  \else
+    \addpenalty\@secpenalty\addvspace\@tempskipa
+  \fi
+  \@ifstar
+    {\@ssect{#3}{#4}{#5}{#6}}%
+    {\@dblarg{\@sect{#1}{#2}{#3}{#4}{#5}{#6}}}}
+\def\@sect#1#2#3#4#5#6[#7]#8{%
+  \ifnum #2>\c@secnumdepth
+    \let\@svsec\@empty
+  \else
+    \refstepcounter{#1}%
+    \protected@edef\@svsec{\@seccntformat{#1}\relax}%
+  \fi
+  \@tempskipa #5\relax
+  \ifdim \@tempskipa>\z@
+    \begingroup
+      #6{%
+        \@hangfrom{\hskip #3\relax\@svsec}%
+          \interlinepenalty \@M #8\@@par}%
+    \endgroup
+    \csname #1mark\endcsname{#7}%
+    \addcontentsline{toc}{#1}{%
+      \ifnum #2>\c@secnumdepth \else
+        \protect\numberline{\csname the#1\endcsname}%
+      \fi
+      #7}%
+  \else
+    \def\@svsechd{%
+      #6{\hskip #3\relax
+      \@svsec #8}%
+      \csname #1mark\endcsname{#7}%
+      \addcontentsline{toc}{#1}{%
+        \ifnum #2>\c@secnumdepth \else
+          \protect\numberline{\csname the#1\endcsname}%
+        \fi
+        #7}}%
+  \fi
+  \@xsect{#5}}
+\def\@xsect#1{%
+  \@tempskipa #1\relax
+  \ifdim \@tempskipa>\z@
+    \par \nobreak
+    \vskip \@tempskipa
+    \@afterheading
+  \else
+    \@nobreakfalse
+    \global\@noskipsectrue
+    \everypar{%
+      \if@noskipsec
+        \global\@noskipsecfalse
+       {\setbox\z@\lastbox}%
+        \clubpenalty\@M
+        \begingroup \@svsechd \endgroup
+        \unskip
+        \@tempskipa #1\relax
+        \hskip -\@tempskipa
+      \else
+        \clubpenalty \@clubpenalty
+        \everypar{}%
+      \fi}%
+  \fi
+  \ignorespaces}
+\def\@seccntformat#1{\csname the#1\endcsname\quad}
+\def\@ssect#1#2#3#4#5{%
+  \@tempskipa #3\relax
+  \ifdim \@tempskipa>\z@
+    \begingroup
+      #4{%
+        \@hangfrom{\hskip #1}%
+          \interlinepenalty \@M #5\@@par}%
+    \endgroup
+  \else
+    \def\@svsechd{#4{\hskip #1\relax #5}}%
+  \fi
+  \@xsect{#3}}
+\let\@footnotemark@nolink\@footnotemark
+\let\@footnotetext@nolink\@footnotetext
+\RequirePackage[bookmarksnumbered,breaklinks]{hyperref}
+\urlstyle{rm}
+\ifcase\ACM@format@nr
+\relax % manuscript
+\or % acmsmall
+\or % acmlarge
+\or % acmtog
+\or % sigconf
+\or % siggraph
+\or % sigplan
+  \urlstyle{sf}
+\or % sigchi
+\or % sigchi-a
+  \urlstyle{sf}
+\fi
+\if@ACM@screen
+%  \hypersetup{colorlinks,
+%    linkcolor=ACMRed,
+%    citecolor=ACMPurple,
+%    urlcolor=ACMDarkBlue,
+%    filecolor=ACMDarkBlue}
+\else
+  \hypersetup{hidelinks}
+\fi
+\if@ACM@natbib
+  \let\citeN\cite
+  \let\cite\citep
+  \let\citeANP\citeauthor
+  \let\citeNN\citeyearpar
+  \let\citeyearNP\citeyear
+  \let\citeyear\citeyearpar
+  \let\citeNP\citealt
+  \def\shortcite#1{\citeyear{#1}}
+  \DeclareRobustCommand\citeA
+     {\begingroup\NAT@swafalse
+       \let\NAT@ctype\@ne\NAT@partrue\NAT@fullfalse\NAT@open\NAT@citetp}%
+  \providecommand\newblock{}%
+\else
+  \providecommand\citename[1]{#1}
+\fi
+\def\bibliographystyle#1{%
+  \ifx\@begindocumenthook\@undefined\else
+    \expandafter\AtBeginDocument
+  \fi
+    {\if@filesw
+       \immediate\write\@auxout{\string\bibstyle{#1}}%
+     \fi}}
+%\RequirePackage{graphicx, xcolor}
+%\definecolor[named]{ACMBlue}{cmyk}{1,0.1,0,0.1}
+%\definecolor[named]{ACMYellow}{cmyk}{0,0.16,1,0}
+%\definecolor[named]{ACMOrange}{cmyk}{0,0.42,1,0.01}
+%\definecolor[named]{ACMRed}{cmyk}{0,0.90,0.86,0}
+%\definecolor[named]{ACMLightBlue}{cmyk}{0.49,0.01,0,0}
+%\definecolor[named]{ACMGreen}{cmyk}{0.20,0,1,0.19}
+%\definecolor[named]{ACMPurple}{cmyk}{0.55,1,0,0.15}
+%\definecolor[named]{ACMDarkBlue}{cmyk}{1,0.58,0,0.21}
+\RequirePackage{geometry}
+\ifcase\ACM@format@nr
+\relax % manuscript
+   \geometry{letterpaper,head=1pc}%
+\or % acmsmall
+   \geometry{twoside=true,
+     includeheadfoot, head=1pc, foot=2pc,
+     paperwidth=6.75in, paperheight=10in,
+     top=58pt, bottom=44pt, inner=46pt, outer=46pt
+   }%
+\or % acmlarge
+   \geometry{twoside=true, head=1pc, foot=2pc,
+     paperwidth=8.5in, paperheight=11in,
+     includeheadfoot,
+     top=78pt, bottom=114pt, inner=81pt, outer=81pt
+     }%
+\or % acmtog
+   \geometry{twoside=true, head=1pc, foot=2pc,
+     paperwidth=8.5in, paperheight=11in,
+     includeheadfoot, columnsep=24pt,
+     top=52pt, bottom=75pt, inner=52pt, outer=52pt
+     }%
+\or % sigconf
+   \geometry{twoside=true, head=1pc,
+     paperwidth=8.5in, paperheight=11in,
+     includeheadfoot, columnsep=2pc,
+     top=57pt, bottom=73pt, inner=54pt, outer=54pt
+     }%
+\or % siggraph
+   \geometry{twoside=true, head=1pc,
+     paperwidth=8.5in, paperheight=11in,
+     includeheadfoot, columnsep=2pc,
+     top=57pt, bottom=73pt, inner=54pt, outer=54pt
+     }%
+\or % sigplan
+   \geometry{twoside=true, head=1pc,
+     paperwidth=8.5in, paperheight=11in,
+     includeheadfoot=false, columnsep=2pc,
+     top=1in, bottom=1in, inner=0.75in, outer=0.75in
+     }%
+\or % sigchi
+   \geometry{twoside=true, head=1pc,
+     paperwidth=8.5in, paperheight=11in,
+     includeheadfoot, columnsep=2pc,
+     top=66pt, bottom=73pt, inner=54pt, outer=54pt
+     }%
+\or % sigchi-a
+   \geometry{twoside=false, head=1pc,
+     paperwidth=11in, paperheight=8.5in,
+     includeheadfoot, marginparsep=72pt,
+     marginparwidth=170pt, columnsep=20pt,
+     top=72pt, bottom=72pt, left=314pt, right=72pt
+     }%
+     \@mparswitchfalse
+     \reversemarginpar
+\fi
+\setlength\parindent{10\p@}
+\setlength\parskip{\z@}
+\ifcase\ACM@format@nr
+\relax % manuscript
+\or % acmsmall
+\or % acmlarge
+\or % acmtog
+  \setlength\parindent{9\p@}%
+\or % sigconf
+\or % siggraph
+\or % sigplan
+\or % sigchi
+\or % sigchi-a
+\fi
+\def\copyrightpermissionfootnoterule{\kern-3\p@
+  \hrule \@width \columnwidth \kern 2.6\p@}
+\RequirePackage{manyfoot}
+\SelectFootnoteRule[2]{copyrightpermission}
+\DeclareNewFootnote{copyrightpermission}
+\def\footnoterule{\kern-3\p@
+  \hrule \@width 4pc \kern 2.6\p@}
+\def\endminipage{%
+    \par
+    \unskip
+    \ifvoid\@mpfootins\else
+      \vskip\skip\@mpfootins
+      \normalcolor
+      \unvbox\@mpfootins
+    \fi
+    \@minipagefalse   %% added 24 May 89
+  \color@endgroup
+  \egroup
+  \expandafter\@iiiparbox\@mpargs{\unvbox\@tempboxa}}
+\def\@makefntext{\noindent\@makefnmark}
+\if@ACM@sigchiamode
+\long\def\@footnotetext#1{\marginpar{%
+    \reset@font\small
+    \interlinepenalty\interfootnotelinepenalty
+    \protected@edef\@currentlabel{%
+       \csname p@footnote\endcsname\@thefnmark
+    }%
+    \color@begingroup
+      \@makefntext{%
+        \rule\z@\footnotesep\ignorespaces#1\@finalstrut\strutbox}%
+    \color@endgroup}}%
+\fi
+\long\def\@mpfootnotetext#1{%
+  \global\setbox\@mpfootins\vbox{%
+    \unvbox\@mpfootins
+    \reset@font\footnotesize
+    \hsize\columnwidth
+    \@parboxrestore
+    \protected@edef\@currentlabel
+         {\csname p@mpfootnote\endcsname\@thefnmark}%
+    \color@begingroup\centering
+      \@makefntext{%
+        \rule\z@\footnotesep\ignorespaces#1\@finalstrut\strutbox}%
+    \color@endgroup}}
+\def\@makefnmark{\hbox{\@textsuperscript{\normalfont\@thefnmark}}}
+\newif\if@ACM@newfonts
+\@ACM@newfontstrue
+\IfFileExists{libertine.sty}{}{\ClassWarning{\@classname}{You do not
+    have libertine package installed.  Please upgrade your
+    TeX}\@ACM@newfontsfalse}
+\IfFileExists{zi4.sty}{}{\ClassWarning{\@classname}{You do not
+    have zi4 package installed.  Please upgrade your TeX}\@ACM@newfontsfalse}
+\IfFileExists{newtxmath.sty}{}{\ClassWarning{\@classname}{You do not
+    have newtxmath package installed.  Please upgrade your
+    TeX}\@ACM@newfontsfalse}
+\if@ACM@newfonts
+\RequirePackage[tt=false]{libertine}
+\RequirePackage[varqu]{zi4}
+\RequirePackage[libertine]{newtxmath}
+\else
+\RequirePackage{textcomp}
+\fi
+\if@ACM@sigchiamode
+  \renewcommand{\familydefault}{\sfdefault}
+\fi
+\RequirePackage{caption, float}
+\captionsetup[table]{position=top}
+\if@ACM@journal
+  \captionsetup{labelfont={sf, small},
+    textfont={sf, small},  margin=\z@}
+  \captionsetup[figure]{name={Fig.}}
+\else
+  \captionsetup{labelfont={bf},
+    textfont={bf}, labelsep=colon, margin=\z@}
+  \ifcase\ACM@format@nr
+  \relax % manuscript
+  \or % acmsmall
+  \or % acmlarge
+  \or % acmtog
+  \or % sigconf
+  \or % siggraph
+    \captionsetup{textfont={it}}
+  \or % sigplan
+    \captionsetup{labelfont={bf},
+      textfont={normalfont}, labelsep=period, margin=\z@}
+  \or % sigchi
+    \captionsetup[figure]{labelfont={bf, small},
+      textfont={bf, small}}
+  \or % sigchi-a
+    \captionsetup[figure]{labelfont={bf, small},
+      textfont={bf, small}}
+  \fi
+\fi
+\newfloat{sidebar}{}{sbar}
+\floatname{sidebar}{Sidebar}
+\renewenvironment{sidebar}{\Collect@Body\@sidebar}{}
+\long\def\@sidebar#1{\bgroup\captionsetup{type=sidebar}%
+  \marginpar{\small#1}\egroup}
+\newenvironment{marginfigure}{\Collect@Body\@marginfigure}{}
+\long\def\@marginfigure#1{\bgroup\captionsetup{type=figure}%
+  \marginpar{\centering\small#1}\egroup}
+\newenvironment{margintable}{\Collect@Body\@margintable}{}
+\long\def\@margintable#1{\bgroup\captionsetup{type=table}%
+  \marginpar{\centering\small#1}\egroup}
+\newdimen\fulltextwidth
+\fulltextwidth=\dimexpr(\textwidth+\marginparwidth+\marginparsep)
+\if@ACM@sigchiamode
+\def\@dblfloat{\bgroup\columnwidth=\fulltextwidth
+  \let\@endfloatbox\@endwidefloatbox
+  \def\@fpsadddefault{\def\@fps{tp}}%
+  \@float}
+\fi
+\if@ACM@sigchiamode
+\def\end@dblfloat{%
+    \end@float\egroup}
+\fi
+\def\@endwidefloatbox{%
+  \par\vskip\z@skip
+  \@minipagefalse
+  \outer@nobreak
+  \egroup
+  \color@endbox
+  \global\setbox\@currbox=\vbox{\moveleft
+    \dimexpr(\fulltextwidth-\textwidth)\box\@currbox}%
+  \wd\@currbox=\textwidth
+}
+\ifcase\ACM@format@nr
+\relax % manuscript
+\or % acmsmall
+\or % acmlarge
+\or % acmtog
+\or % sigconf
+\or % siggraph
+\or % sigplan
+\def\labelenumi{\theenumi.}
+\def\labelenumii{\theenumii.}
+\def\labelenumiii{\theenumiii.}
+\def\labelenumiv{\theenumiv.}
+\or % sigchi
+\or % sigchi-a
+\fi
+\renewcommand{\descriptionlabel}[1]{\hspace\labelsep \upshape\bfseries #1}
+\renewenvironment{description}{\list{}{%
+    \itemindent-12\p@
+    \labelwidth\z@ \let\makelabel\descriptionlabel}%
+}{
+  \endlist
+}
+\let\enddescription=\endlist % for efficiency
+\define@choicekey*+{ACM}{acmJournal}[\@journalCode\@journalCode@nr]{%
+  CIE,%
+  CSUR,%
+  IMWUT,%
+  JACM,%
+  JDIQ,%
+  JEA,%
+  JERIC,%
+  JETC,%
+  JOCCH,%
+  PACMPL,%
+  TAAS,%
+  TACCESS,%
+  TACO,%
+  TALG,%
+  TALLIP,%
+  TAP,%
+  TCPS,%
+  TEAC,%
+  TECS,%
+  TIIS,%
+  TISSEC,%
+  TIST,%
+  TKDD,%
+  TMIS,%
+  TOCE,%
+  TOCHI,%
+  TOCL,%
+  TOCS,%
+  TOCT,%
+  TODAES,%
+  TODS,%
+  TOG,%
+  TOIS,%
+  TOIT,%
+  TOMACS,%
+  TOMM,%
+  TOMPECS,%
+  TOMS,%
+  TOPC,%
+  TOPS,%
+  TOPLAS,%
+  TOS,%
+  TOSEM,%
+  TOSN,%
+  TRETS,%
+  TSAS,%
+  TSC,%
+  TSLP,%
+  TWEB%
+}{%
+\ifcase\@journalCode@nr
+\relax % CIE
+  \def\@journalName{ACM Computers in Entertainment}%
+  \def\@journalNameShort{ACM Comput. Entertain.}%
+  \def\@permissionCodeOne{1544-3574}%
+\or % CSUR
+  \def\@journalName{ACM Computing Surveys}%
+  \def\@journalNameShort{ACM Comput. Surv.}%
+  \def\@permissionCodeOne{0360-0300}%
+\or % IMWUT
+  \def\@journalName{PACM on Interactive, Mobile, Wearable and
+    Ubiquitous Technologies}%
+  \def\@journalNameShort{PACM Interact. Mob. Wearable Ubiquitous Technol.}%
+  \def\@permissionCodeOne{2474-9567}%
+\or % JACM
+  \def\@journalName{Journal of the ACM}%
+  \def\@journalNameShort{J. ACM}%
+  \def\@permissionCodeOne{0004-5411}%
+\or % JDIQ
+  \def\@journalName{ACM Journal of Data and Information Quality}%
+  \def\@journalNameShort{ACM J. Data Inform. Quality}%
+  \def\@permissionCodeOne{1936-1955}%
+\or % JEA
+  \def\@journalName{ACM Journal of Experimental Algorithmics}%
+  \def\@journalNameShort{ACM J. Exp. Algor.}%
+  \def\@permissionCodeOne{1084-6654}%
+\or % JERIC
+  \def\@journalName{ACM Journal of Educational Resources in Computing}%
+  \def\@journalNameShort{ACM J. Edu. Resources in Comput.}%
+  \def\@permissionCodeOne{1073-0516}%
+\or % JETC
+  \def\@journalName{ACM Journal on Emerging Technologies in Computing Systems}%
+  \def\@journalNameShort{ACM J. Emerg. Technol. Comput. Syst.}%
+  \def\@permissionCodeOne{1550-4832}%
+\or % JOCCH
+  \def\@journalName{ACM Journal on Computing and Cultural Heritage}%
+  \def\@journalName{ACM J. Comput. Cult. Herit.}%
+\or % PACMPL
+  \def\@journalName{PACM on Programming Languages}%
+  \def\@journalName{PACM Progr. Lang.}%
+  \def\@permissionCodeOne{2475-1421}%
+\or % TAAS
+  \def\@journalName{ACM Transactions on Autonomous and Adaptive Systems}%
+  \def\@journalNameShort{ACM Trans. Autonom. Adapt. Syst.}%
+  \def\@permissionCodeOne{1556-4665}%
+\or % TACCESS
+  \def\@journalName{ACM Transactions on Accessible Computing}%
+  \def\@journalNameShort{ACM Trans. Access. Comput.}%
+  \def\@permissionCodeOne{1936-7228}%
+\or % TACO
+  \def\@journalName{ACM Transactions on Architecture and Code Optimization}%
+\or % TALG
+  \def\@journalName{ACM Transactions on Algorithms}%
+  \def\@journalNameShort{ACM Trans. Algor.}%
+  \def\@permissionCodeOne{1549-6325}%
+\or % TALLIP
+  \def\@journalName{ACM Transactions on Asian and Low-Resource Language Information Processing}%
+  \def\@journalNameShort{ACM Trans. Asian Low-Resour. Lang. Inf. Process.}%
+  \def\@permissionCodeOne{2375-4699}%
+\or % TAP
+  \def\@journalName{ACM Transactions on Applied Perception}%
+\or % TCPS
+  \def\@journalName{ACM Transactions on Cyber-Physical Systems}%
+\or % TEAC
+  \def\@journalName{ACM Transactions on Economics and Computation}%
+\or % TECS
+  \def\@journalName{ACM Transactions on Embedded Computing Systems}%
+  \def\@journalNameShort{ACM Trans. Embedd. Comput. Syst.}%
+  \def\@permissionCodeOne{1539-9087}%
+\or % TIIS
+  \def\@journalName{ACM Transactions on Interactive Intelligent Systems}%
+  \def\@journalNameShort{ACM Trans. Interact. Intell. Syst.}%
+  \def\@permissionCodeOne{2160-6455}%
+\or % TISSEC
+  \def\@journalName{ACM Transactions on Information and System Security}%
+  \def\@journalNameShort{ACM Trans. Info. Syst. Sec.}%
+  \def\@permissionCodeOne{1094-9224}%
+\or % TIST
+  \def\@journalName{ACM Transactions on Intelligent Systems and Technology}%
+  \def\@journalNameShort{ACM Trans. Intell. Syst. Technol.}%
+  \def\@permissionCodeOne{2157-6904}%
+\or % TKDD
+  \def\@journalName{ACM Transactions on Knowledge Discovery from Data}%
+  \def\@journalNameShort{ACM Trans. Knowl. Discov. Data.}%
+  \def\@permissionCodeOne{1556-4681}%
+\or % TMIS
+  \def\@journalName{ACM Transactions on Management Information Systems}%
+  \def\@journalNameShort{ACM Trans. Manag. Inform. Syst.}%
+  \def\@permissionCodeOne{2158-656X}%
+\or % TOCE
+  \def\@journalName{ACM Transactions on Computing Education}%
+  \def\@journalNameShort{ACM Trans. Comput. Educ.}%
+  \def\@permissionCodeOne{1946-6226}%
+\or % TOCHI
+  \def\@journalName{ACM Transactions on Computer-Human Interaction}%
+  \def\@journalNameShort{ACM Trans. Comput.-Hum. Interact.}%
+  \def\@permissionCodeOne{1073-0516}%
+\or % TOCL
+  \def\@journalName{ACM Transactions on Computational Logic}%
+  \def\@journalNameShort{ACM Trans. Comput. Logic}%
+  \def\@permissionCodeOne{1529-3785}%
+\or % TOCS
+  \def\@journalName{ACM Transactions on Computer Systems}%
+  \def\@journalNameShort{ACM Trans. Comput. Syst.}%
+  \def\@permissionCodeOne{0734-2071}%
+\or % TOCT
+  \def\@journalName{ACM Transactions on Computation Theory}%
+  \def\@journalNameShort{ACM Trans. Comput. Theory}%
+  \def\@permissionCodeOne{1942-3454}%
+\or % TODAES
+  \def\@journalName{ACM Transactions on Design Automation of Electronic Systems}%
+  \def\@journalNameShort{ACM Trans. Des. Autom. Electron. Syst.}%
+  \def\@permissionCodeOne{1084-4309}%
+\or % TODS
+  \def\@journalName{ACM Transactions on Database Systems}%
+  \def\@journalNameShort{ACM Trans. Datab. Syst.}%
+  \def\@permissionCodeOne{0362-5915}%
+\or % TOG
+  \def\@journalName{ACM Transactions on Graphics}%
+  \def\@journalNameShort{ACM Trans. Graph.}%
+  \def\@permissionCodeOne{0730-0301}
+\or % TOIS
+  \def\@journalName{ACM Transactions on Information Systems}%
+  \def\@journalName{ACM Transactions on Information Systems}%
+  \def\@permissionCodeOne{1046-8188}%
+\or % TOIT
+  \def\@journalName{ACM Transactions on Internet Technology}%
+  \def\@journalNameShort{ACM Trans. Internet Technol.}%
+  \def\@permissionCodeOne{1533-5399}%
+\or % TOMACS
+  \def\@journalName{ACM Transactions on Modeling and Computer Simulation}%
+  \def\@journalName{ACM Transactions on Modeling and Computer Simulation}%
+  \def\@journalNameShort{ACM Trans. Model. Comput. Simul.}%
+\or % TOMM
+  \def\@journalName{ACM Transactions on Multimedia Computing, Communications and Applications}%
+  \def\@journalNameShort{ACM Trans. Multimedia Comput. Commun. Appl.}%
+  \def\@permissionCodeOne{1551-6857}%
+  \def\@permissionCodeTwo{0100}%
+\or % TOMPECS
+  \def\@journalName{ACM Transactions on Modeling and Performance Evaluation of Computing Systems}%
+  \def\@journalNameShort{ACM Trans. Model. Perform. Eval. Comput. Syst.}%
+  \def\@permissionCodeOne{2376-3639}%
+\or % TOMS
+  \def\@journalName{ACM Transactions on Mathematical Software}%
+  \def\@journalNameShort{ACM Trans. Math. Softw.}%
+  \def\@permissionCodeOne{0098-3500}%
+\or % TOPC
+  \def\@journalName{ACM Transactions on Parallel Computing}%
+  \def\@journalNameShort{ACM Trans. Parallel Comput.}%
+  \def\@permissionCodeOne{1539-9087}%
+\or % TOPS
+  \def\@journalName{ACM Transactions on Privacy and Security}%
+  \def\@journalNameShort{ACM Trans. Priv. Sec.}%
+  \def\@permissionCodeOne{2471-2566}%
+\or % TOPLAS
+  \def\@journalName{ACM Transactions on Programming Languages and Systems}%
+  \def\@journalNameShort{ACM Trans. Program. Lang. Syst.}%
+  \def\@permissionCodeOne{0164-0925}%
+\or % TOS
+  \def\@journalName{ACM Transactions on Storage}%
+  \def\@journalNameShort{ACM Trans. Storage}%
+  \def\@permissionCodeOne{1553-3077}%
+\or % TOSEM
+  \def\@journalName{ACM Transactions on Software Engineering and Methodology}%
+  \def\@journalNameShort{ACM Trans. Softw. Eng. Methodol.}%
+  \def\@permissionCodeOne{1049-331X}%
+\or % TOSN
+  \def\@journalName{ACM Transactions on Sensor Networks}%
+  \def\@journalNameShort{ACM Trans. Sensor Netw.}%
+  \def\@permissionCodeOne{1550-4859}%
+\or % TRETS
+  \def\@journalName{ACM Transactions on Reconfigurable Technology and Systems}%
+  \def\@journalNameShort{ACM Trans. Reconfig. Technol. Syst.}%
+  \def\@permissionCodeOne{1936-7406}%
+\or % TSAS
+  \def\@journalName{ACM Transactions on Spatial Algorithms and Systems}%
+  \def\@journalNameShort{ACM Trans. Spatial Algorithms Syst.}%
+  \def\@permissionCodeOne{2374-0353}%
+\or % TSC
+  \def\@journalName{ACM Transactions on Social Computing}%
+  \def\@journalNameShort{ACM Trans. Soc. Comput.}%
+  \def\@permissionCodeOne{2469-7818}%
+\or % TSLP
+  \def\@journalName{ACM Transactions on Speech and Language Processing}%
+  \def\@journalNameShort{ACM Trans. Speech Lang. Process.}%
+  \def\@permissionCodeOne{1550-4875}%
+\or % TWEB
+  \def\@journalName{ACM Transactions on the Web}%
+  \def\@journalNameShort{ACM Trans. Web}%
+  \def\@permissionCodeOne{1559-1131}%
+\fi
+\ClassInfo{\@classname}{Using journal code \@journalCode}%
+}{%
+  \ClassError{\@classname}{Incorrect journal #1}%
+}%
+\def\acmJournal#1{\setkeys{ACM}{acmJournal=#1}}
+\def\@journalCode@nr{0}
+\def\@journalName{}%
+\def\@journalNameShort{\@journalName}%
+\def\@permissionCodeOne{XXXX-XXXX}%
+\def\@permissionCodeTwo{}%
+\newcommand\acmConference[4][]{%
+  \gdef\acmConference@shortname{#1}%
+  \gdef\acmConference@name{#2}%
+  \gdef\acmConference@date{#3}%
+  \gdef\acmConference@venue{#4}%
+  \ifx\acmConference@shortname\@empty
+    \gdef\acmConference@shortname{#2}%
+  \fi}
+\acmConference[Conference'17]{ACM Conference}{July 2017}{Washington,
+  DC, USA}
+\def\subtitle#1{\def\@subtitle{#1}}
+\subtitle{}
+\newcount\num@authorgroups
+\num@authorgroups=0\relax
+\newif\if@insideauthorgroup
+\@insideauthorgroupfalse
+\renewcommand\author[2][]{%
+  \if@insideauthorgroup\else
+    \global\advance\num@authorgroups by 1\relax
+    \global\@insideauthorgrouptrue
+  \fi
+  \ifx\addresses\@empty
+    \if@ACM@anonymous
+      \gdef\addresses{\@author{Anonymous Author(s)}}%
+      \gdef\authors{Anonymous Author(s)}%
+    \else
+      \gdef\addresses{\@author{#2}}%
+      \gdef\authors{#2}%
+    \fi
+  \else
+    \if@ACM@anonymous\else
+      \g@addto@macro\addresses{\and\@author{#2}}%
+      \g@addto@macro\authors{\and#2}%
+    \fi
+  \fi
+  \if@ACM@anonymous
+    \ifx\shortauthors\@empty
+      \gdef\shortauthors{Anon.}%
+    \fi
+  \else
+    \def\@tempa{#1}%
+    \ifx\@tempa\@empty
+      \ifx\shortauthors\@empty
+        \gdef\shortauthors{#2}%
+      \else
+        \g@addto@macro\shortauthors{\and#2}%
+      \fi
+    \else
+      \ifx\shortauthors\@empty
+        \gdef\shortauthors{#1}%
+      \else
+        \g@addto@macro\shortauthors{\and#1}%
+      \fi
+    \fi
+  \fi}
+\newcommand{\affiliation}[2][]{%
+  \global\@insideauthorgroupfalse
+  \if@ACM@anonymous\else
+    \g@addto@macro\addresses{\affiliation{#1}{#2}}%
+  \fi}
+\renewcommand{\email}[2][]{%
+  \if@ACM@anonymous\else
+    \g@addto@macro\addresses{\email{#1}{#2}}%
+  \fi}
+\let\orcid\@gobble
+\def\@titlenotes{}
+\def\titlenote#1{%
+  \g@addto@macro\@title{\footnotemark}%
+  \if@ACM@anonymous
+    \g@addto@macro\@titlenotes{%
+      \stepcounter{footnote}\footnotetext{Title note}}%
+  \else
+    \g@addto@macro\@titlenotes{\stepcounter{footnote}\footnotetext{#1}}%
+  \fi}
+\def\@subtitlenotes{}
+\def\subtitlenote#1{%
+  \g@addto@macro\@subtitle{\footnotemark}%
+  \if@ACM@anonymous
+    \g@addto@macro\@subtitlenotes{%
+      \stepcounter{footnote}\footnotetext{Subtitle note}}%
+  \else
+    \g@addto@macro\@subtitlenotes{%
+      \stepcounter{footnote}\footnotetext{#1}}%
+  \fi}
+\def\@authornotes{}
+\def\authornote#1{%
+  \if@ACM@anonymous\else
+    \g@addto@macro\addresses{\@authornotemark}
+    \g@addto@macro\@authornotes{%
+      \stepcounter{footnote}\footnotetext{#1}}%
+  \fi}
+\def\acmVolume#1{\def\@acmVolume{#1}}
+\acmVolume{1}
+\def\acmNumber#1{\def\@acmNumber{#1}}
+\acmNumber{1}
+\def\acmArticle#1{\def\@acmArticle{#1}}
+\acmArticle{1}
+\def\acmArticleSeq#1{\def\@acmArticleSeq{#1}}
+\acmArticleSeq{\@acmArticle}
+\def\acmYear#1{\def\@acmYear{#1}}
+\acmYear{2016}
+\def\acmMonth#1{\def\@acmMonth{#1}}
+\acmMonth{1}
+\def\@acmPubDate{\ifcase\@acmMonth\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~\@acmYear}
+\def\acmPrice#1{\def\@acmPrice{#1}}
+\acmPrice{15.00}
+\def\acmISBN#1{\def\@acmISBN{#1}}
+\acmISBN{978-x-xxxx-xxxx-x/YY/MM}
+\def\acmDOI#1{\def\@acmDOI{#1}}
+\acmDOI{10.1145/nnnnnnn.nnnnnnn}
+\newif\if@ACM@badge
+\@ACM@badgefalse
+\newlength\@ACM@badge@width
+\setlength\@ACM@badge@width{5pc}
+\newlength\@ACM@title@width
+\newlength\@ACM@badge@skip
+\setlength\@ACM@badge@skip{1pc}
+\newcommand\acmBadgeR[2][]{\@ACM@badgetrue
+  \def\@acmBadgeR@url{#1}%
+  \def\@acmBadgeR@image{#2}}
+\def\@acmBadgeR@url{}
+\def\@acmBadgeR@image{}
+\newcommand\acmBadgeL[2][]{\@ACM@badgetrue
+  \def\@acmBadgeL@url{#1}%
+  \def\@acmBadgeL@image{#2}}
+\def\@acmBadgeL@url{}
+\def\@acmBadgeL@image{}
+\def\startPage#1{\def\@startPage{#1}}
+\startPage{}
+\def\terms#1{\def\@terms{#1}}
+\terms{}
+\def\keywords#1{\def\@keywords{#1}}
+\keywords{}
+\renewenvironment{abstract}{\Collect@Body\@saveabstract}{}
+\long\def\@saveabstract#1{\long\gdef\@abstract{#1}}
+\@saveabstract{}
+\long\def\@lempty{}
+\define@boolkey+{@ACM@topmatter@}[@ACM@]{printcss}[true]{%
+  \if@ACM@printcss
+    \ClassInfo{\@classname}{Printing CSS}%
+  \else
+    \ClassInfo{\@classname}{Suppressing CSS}%
+  \fi}{\ClassError{\@classname}{printcss must be true or false}}
+\define@boolkey+{@ACM@topmatter@}[@ACM@]{printacmref}[true]{%
+  \if@ACM@printacmref
+    \ClassInfo{\@classname}{Printing bibformat}%
+  \else
+    \ClassInfo{\@classname}{Suppressing bibformat}%
+  \fi}{\ClassError{\@classname}{printacmref must be true or false}}
+\define@boolkey+{@ACM@topmatter@}[@ACM@]{printfolios}[true]{%
+  \if@ACM@printfolios
+    \ClassInfo{\@classname}{Printing folios}%
+  \else
+    \ClassInfo{\@classname}{Suppressing folios}%
+  \fi}{\ClassError{\@classname}{printfolios must be true or false}}
+\def\settopmatter#1{\setkeys{@ACM@topmatter@}{#1}}
+\settopmatter{printcss=true, printacmref=true}
+\if@ACM@manuscript
+  \settopmatter{printfolios=true}
+\else
+  \if@ACM@journal
+    \settopmatter{printfolios=true}
+  \else
+    \settopmatter{printfolios=false}
+  \fi
+\fi
+\def\@received{}
+\newcommand\received[2][]{\def\@tempa{#1}%
+  \ifx\@tempa\@empty
+    \ifx\@received\@empty
+      \gdef\@received{Received #2}%
+    \else
+      \g@addto@macro{\@received}{; revised #2}%
+    \fi
+  \else
+    \ifx\@received\@empty
+      \gdef\@received{#1 #2}%
+    \else
+      \g@addto@macro{\@received}{; #1 #2}%
+    \fi
+  \fi}
+\AtEndDocument{%
+  \ifx\@received\@empty\else
+    \par\bigskip\noindent\small\normalfont\@received\par
+  \fi}
+\RequirePackage{comment}
+\excludecomment{CCSXML}
+\let\@concepts\@empty
+\newcommand\ccsdesc[2][100]{%
+  \ccsdesc@parse#1~#2~}
+\def\ccsdesc@parse#1~#2~#3~{%
+  \expandafter\ifx\csname CCS@#2\endcsname\relax
+    \expandafter\gdef\csname CCS@#2\endcsname{\textbullet\textbf{#2} $\to$ }%
+  \g@addto@macro{\@concepts}{\csname CCS@#2\endcsname}\fi
+  \expandafter\g@addto@macro\expandafter{\csname CCS@#2\endcsname}{%
+    \ifnum#1>499\textbf{#3; }\else
+    \ifnum#1>299\textit{#3; }\else
+    #3; \fi\fi}}
+\newif\if@printcopyright
+\@printcopyrighttrue
+\newif\if@printpermission
+\@printpermissiontrue
+\newif\if@acmowned
+\@acmownedtrue
+\define@choicekey*{ACM@}{acmcopyrightmode}[%
+  \acm@copyrightinput\acm@copyrightmode]{none,acmcopyright,acmlicensed,%
+  rightsretained,usgov,usgovmixed,cagov,cagovmixed,%
+  licensedusgovmixed,licensedcagovmixed,othergov,licensedothergov}{%
+  \@printpermissiontrue
+  \@printcopyrighttrue
+  \@acmownedtrue
+  \ifnum\acm@copyrightmode=0\relax % none
+   \@printpermissionfalse
+   \@printcopyrightfalse
+   \@acmownedfalse
+  \fi
+  \ifnum\acm@copyrightmode=2\relax % acmlicensed
+   \@acmownedfalse
+  \fi
+  \ifnum\acm@copyrightmode=3\relax % rightsretained
+   \@acmownedfalse
+  \fi
+  \ifnum\acm@copyrightmode=4\relax % usgov
+   \@printpermissiontrue
+   \@printcopyrightfalse
+   \@acmownedfalse
+  \fi
+  \ifnum\acm@copyrightmode=6\relax % cagov
+   \@acmownedfalse
+  \fi
+  \ifnum\acm@copyrightmode=8\relax % licensedusgovmixed
+   \@acmownedfalse
+  \fi
+  \ifnum\acm@copyrightmode=9\relax % licensedcagovmixed
+   \@acmownedfalse
+  \fi
+  \ifnum\acm@copyrightmode=10\relax % othergov
+   \@acmownedtrue
+  \fi
+  \ifnum\acm@copyrightmode=11\relax % licensedothergov
+   \@acmownedfalse
+  \fi}
+\def\setcopyright#1{\setkeys{ACM@}{acmcopyrightmode=#1}}
+\setcopyright{acmcopyright}
+\def\@copyrightowner{%
+  \ifcase\acm@copyrightmode\relax % none
+  \or % acmcopyright
+  ACM\@.
+  \or % acmlicensed
+  Copyright held by the owner/author(s). Publication rights licensed to
+  ACM\@.
+  \or % rightsretained
+  Copyright held by the owner/author(s).
+  \or % usgov
+  \or % usgovmixed
+  ACM\@.
+  \or % cagov
+  Crown in Right of Canada.
+  \or %cagovmixed
+  ACM\@.
+  \or %licensedusgovmixed
+  Copyright held by the owner/author(s). Publication rights licensed to
+  ACM\@.
+  \or %licensedcagovmixed
+  Copyright held by the owner/author(s). Publication rights licensed to
+  ACM\@.
+  \or % othergov
+  ACM\@.
+  \or % licensedothergov
+  Copyright held by the owner/author(s). Publication rights licensed to
+  ACM\@.
+  \fi}
+\def\@formatdoi#1{\url{http://dx.doi.org/#1}}
+\def\@copyrightpermission{%
+  \ifcase\acm@copyrightmode\relax % none
+  \or % acmcopyright
+   Permission to make digital or hard copies of all or part of this
+   work for personal or classroom use is granted without fee provided
+   that copies are not made or distributed for profit or commercial
+   advantage and that copies bear this notice and the full citation on
+   the first page. Copyrights for components of this work owned by
+   others than ACM must be honored. Abstracting with credit is
+   permitted. To copy otherwise, or republish, to post on servers or to
+   redistribute to lists, requires prior specific permission
+   and\hspace*{.5pt}/or  a fee. Request permissions from
+   permissions@acm.org.
+  \or % acmlicensed
+   Permission to make digital or hard copies of all or part of this
+   work for personal or classroom use is granted without fee provided
+   that copies are not made or distributed for profit or commercial
+   advantage and that copies bear this notice and the full citation on
+   the first page. Copyrights for components of this work owned by
+   others than the author(s) must be honored. Abstracting with credit
+   is permitted.  To copy otherwise, or republish, to post on servers
+   or to  redistribute to lists, requires prior specific permission
+   and\hspace*{.5pt}/or  a fee. Request permissions from
+   permissions@acm.org.
+  \or % rightsretained
+   Permission to make digital or hard copies of part or all of this work
+   for personal or classroom use is granted without fee provided that
+   copies are not made or distributed for profit or commercial advantage
+   and that copies bear this notice and the full citation on the first
+   page. Copyrights for third-party components of this work must be
+   honored. For all other uses, contact the
+   owner\hspace*{.5pt}/author(s).
+  \or % usgov
+   This paper is authored by an employee(s) of the United States
+   Government and is in the public domain. Non-exclusive copying or
+   redistribution is allowed, provided that the article citation is
+   given and the authors and agency are clearly identified as its
+   source.
+  \or % usgovmixed
+   ACM acknowledges that this contribution was authored or co-authored
+   by an employee, or contractor of the national government. As such,
+   the Government retains a nonexclusive, royalty-free right to
+   publish or reproduce this article, or to allow others to do so, for
+   Government purposes only. Permission to make digital or hard copies
+   for personal or classroom use is granted. Copies must bear this
+   notice and the full citation on the first page. Copyrights for
+   components of this work owned by others than ACM must be
+   honored. To copy otherwise, distribute, republish, or post,
+   requires prior specific permission and\hspace*{.5pt}/or a
+   fee. Request permissions from permissions@acm.org.
+  \or % cagov
+   This article was authored by employees of the Government of Canada.
+   As such, the Canadian government retains all interest in the
+   copyright to this work and grants to ACM a nonexclusive,
+   royalty-free right to publish or reproduce this article, or to allow
+   others to do so, provided that clear attribution is given both to
+   the authors and the Canadian government agency employing them.
+   Permission to make digital or hard copies for personal or classroom
+   use is granted. Copies must bear this notice and the full citation
+   on the first page.  Copyrights for components of this work owned by
+   others than the Canadain Government must be honored. To copy
+   otherwise, distribute, republish, or post, requires prior specific
+   permission and\hspace*{.5pt}/or a fee. Request permissions from
+   permissions@acm.org.
+  \or % cagovmixed
+   ACM acknowledges that this contribution was co-authored by an
+   affiliate of the national government of Canada. As such, the Crown
+   in Right of Canada retains an equal interest in the copyright.
+   Reprints must include clear attribution to ACM and the author's
+   government agency affiliation.  Permission to make digital or hard
+   copies for personal or classroom use is granted.  Copies must bear
+   this notice and the full citation on the first page. Copyrights for
+   components of this work owned by others than ACM must be honored.
+   To copy otherwise, distribute, republish, or post, requires prior
+   specific permission and\hspace*{.5pt}/or a fee. Request permissions
+   from permissions@acm.org.
+  \or % licensedusgovmixed
+   Publication rights licensed to ACM\@. ACM acknowledges that this
+   contribution was authored or co-authored by an employee, contractor
+   or affiliate of the United States government. As such, the
+   Government retains a nonexclusive, royalty-free right to publish or
+   reproduce this article, or to allow others to do so, for Government
+   purposes only.
+  \or % licensedcagovmixed
+   Publication rights licensed to ACM\@. ACM acknowledges that this
+   contribution was authored or co-authored by an employee, contractor
+   or affiliate of the national government of Canada. As such, the
+   Government retains a nonexclusive, royalty-free right to publish or
+   reproduce this article, or to allow others to do so, for Government
+   purposes only.
+  \or % othergov
+   ACM acknowledges that this contribution was authored or co-authored
+   by an employee, contractor or affiliate of a national government. As
+   such, the Government retains a nonexclusive, royalty-free right to
+   publish or reproduce this article, or to allow others to do so, for
+   Government purposes only.
+  \or % licensedothergov
+   Publication rights licensed to ACM\@. ACM acknowledges that this
+   contribution was authored or co-authored by an employee, contractor
+   or affiliate of a national government. As such, the Government
+   retains a nonexclusive, royalty-free right to publish or reproduce
+   this article, or to allow others to do so, for Government purposes
+   only.
+  \fi}
+\def\copyrightyear#1{\def\@copyrightyear{#1}}
+\copyrightyear{\@acmYear}
+\def\@teaserfigures{}
+\newenvironment{teaserfigure}{\Collect@Body\@saveteaser}{}
+\long\def\@saveteaser#1{\g@addto@macro\@teaserfigures{\@teaser{#1}}}
+\renewcommand{\thanks}[1]{%
+  \@ifnotempty{#1}{%
+    \if@ACM@anonymous
+      \g@addto@macro\thankses{\thanks{A note}}%
+   \else
+    \g@addto@macro\thankses{\thanks{#1}}%
+   \fi}}
+\newbox\mktitle@bx
+\def\maketitle{%
+  \if@ACM@anonymous
+    % Anonymize omission of \author-s
+    \ifnum\num@authorgroups=0\author{}\fi
+  \fi
+  \begingroup
+  \let\@footnotemark\@footnotemark@nolink
+  \let\@footnotetext\@footnotetext@nolink
+  \renewcommand\thefootnote{\@fnsymbol\c@footnote}%
+  \@topnum\z@ % this prevents figures from falling at the top of page
+              % 1
+  \hsize=\textwidth
+  \def\@makefnmark{\hbox{\@textsuperscript{\@thefnmark}}}%
+  \@mktitle\if@ACM@sigchiamode\else\@mkauthors\fi\@mkteasers
+  \@printtopmatter
+  \if@ACM@sigchiamode\@mkauthors\fi
+  \setcounter{footnote}{0}%
+  \def\@makefnmark{\hbox{\@textsuperscript{\normalfont\@thefnmark}}}%
+  \@titlenotes
+  \@subtitlenotes
+  \@authornotes
+  \let\@makefnmark\relax  \let\@thefnmark\relax
+  \let\@makefntext\noindent
+  \ifx\@empty\thankses\else
+    \footnotetextcopyrightpermission{%
+      \def\par{\let\par\@par}\parindent\z@\@setthanks}%
+  \fi
+  \footnotetextcopyrightpermission{\parindent\z@\parskip0.1\baselineskip
+  \if@ACM@authorversion\else
+    \if@printpermission\@copyrightpermission\par\fi
+  \fi
+  \if@ACM@manuscript\else
+    \if@ACM@journal\else % Print the conference short name
+      {\itshape \acmConference@shortname, \acmConference@venue}\par
+    \fi
+  \fi
+  \if@printcopyright
+    \copyright\ \@copyrightyear\ \@copyrightowner\
+  \else
+    \@copyrightyear.\
+  \fi
+  \if@ACM@manuscript
+    Manuscript submitted to ACM\\
+  \else
+    \if@ACM@authorversion
+        This is the author's version of the work. It is posted here for
+        your personal use. Not for redistribution. The definitive Version
+        of Record was published in
+        \if@ACM@journal
+          \emph{\@journalName}%
+        \else
+          \emph{Proceedings of \acmConference@name, \acmConference@date}%
+        \fi
+        \ifx\@acmDOI\@empty
+        .
+        \else
+          , \@formatdoi{\@acmDOI}.
+        \fi\\
+      \else
+        \if@ACM@journal
+          \@permissionCodeOne/\@acmYear/\@acmMonth-ART\@acmArticle\
+          \$\@acmPrice\\
+          DOI: \nolinkurl{\@acmDOI}%
+        \else % Conference
+           \@acmISBN
+           \ifx\@acmPrice\@empty.\else\dots\$\@acmPrice\fi\\
+           DOI: \nolinkurl{\@acmDOI}%
+        \fi
+      \fi
+    \fi}%
+  \endgroup
+  \setcounter{footnote}{0}%
+  \@mkabstract
+  \if@ACM@printcss
+    \ifx\@concepts\@empty\else\bgroup
+      {\@specialsection{CCS Concepts}%
+         \@concepts\par}\egroup
+     \fi
+   \fi
+   \if\@terms\@empty\else\bgroup
+      {\@specialsection{General Terms}%
+         \@terms\par}\egroup
+   \fi
+   \ifx\@keywords\@empty\else\bgroup
+      {\if@ACM@journal
+         \@specialsection{Additional Key Words and Phrases}%
+       \else
+         \@specialsection{Keywords}%
+       \fi
+         \@keywords}\par\egroup
+   \fi
+  \andify\authors
+  \andify\shortauthors
+  \global\let\authors=\authors
+  \global\let\shortauthors=\shortauthors
+  \if@ACM@printacmref
+     \@mkbibcitation
+  \fi
+  \hypersetup{pdfauthor={\authors},
+    pdftitle={\@title}, pdfkeywords={\@concepts}}%
+  \@printendtopmatter
+  \@afterindentfalse
+  \@afterheading
+}
+\def\@specialsection#1{%
+  \ifcase\ACM@format@nr
+  \relax % manuscript
+    \par\medskip\small\noindent#1: %
+  \or % acmsmall
+    \par\medskip\small\noindent#1: %
+  \or % acmlarge
+    \par\medskip\small\noindent#1: %
+  \or % acmtog
+    \par\medskip\small\noindent#1: %
+  \or % sigconf
+    \section*{#1}%
+  \or % siggraph
+    \section*{#1}%
+  \or % sigplan
+    \paragraph*{#1}%
+  \or % sigchi
+    \section*{#1}%
+  \or % sigchi-a
+    \section*{#1}%
+  \fi}
+\def\@printtopmatter{%
+  \ifx\@startPage\@empty
+     \gdef\@startPage{1}%
+  \else
+     \setcounter{page}{\@startPage}%
+  \fi
+  \thispagestyle{firstpagestyle}%
+  \noindent
+  \ifcase\ACM@format@nr
+  \relax % manuscript
+    \box\mktitle@bx\par
+    \noindent\hrulefill\par
+  \or % acmsmall
+    \box\mktitle@bx\par
+    \noindent\hrulefill\par
+  \or % acmlarge
+    \box\mktitle@bx\par
+    \noindent\hrulefill\par
+  \or % acmtog
+    \twocolumn[\box\mktitle@bx]%
+  \or % sigconf
+    \twocolumn[\box\mktitle@bx]%
+  \or % siggraph
+    \twocolumn[\box\mktitle@bx]%
+  \or % sigplan
+    \twocolumn[\box\mktitle@bx]%
+  \or % sigchi
+    \twocolumn[\box\mktitle@bx]%
+  \or % sigchi-a
+    \par\box\mktitle@bx\par\bigskip
+    \if@ACM@badge
+       \marginpar{\noindent
+         \ifx\@acmBadgeL@image\@empty\else
+           \href{\@acmBadgeL@url}{%
+             \includegraphics[width=\@ACM@badge@width]{\@acmBadgeL@image}}%
+            \hskip\@ACM@badge@skip
+          \fi
+         \ifx\@acmBadgeR@image\@empty\else
+           \href{\@acmBadgeR@url}{%
+             \includegraphics[width=\@ACM@badge@width]{\@acmBadgeR@image}}%
+          \fi}%
+    \fi
+  \fi
+}
+\def\@mktitle{%
+  \ifcase\ACM@format@nr
+  \relax % manuscript
+    \@mktitle@i
+  \or % acmsmall
+    \@mktitle@i
+  \or % acmlarge
+    \@mktitle@i
+  \or % acmtog
+    \@mktitle@i
+  \or % sigconf
+    \@mktitle@iii
+  \or % siggraph
+    \@mktitle@iii
+  \or % sigplan
+    \@mktitle@iii
+  \or % sigchi
+    \@mktitle@iii
+  \or % sigchi-a
+    \@mktitle@iv
+  \fi
+}
+\def\@titlefont{%
+  \ifcase\ACM@format@nr
+  \relax % manuscript
+    \LARGE\bfseries\sffamily
+  \or % acmsmall
+    \LARGE\bfseries\sffamily
+  \or % acmlarge
+    \LARGE\bfseries\sffamily
+  \or % acmtog
+    \Huge\sffamily
+  \or % sigconf
+    \Huge\sffamily\bfseries
+  \or % siggraph
+    \Huge\sffamily\bfseries
+  \or % sigplan
+    \Huge\bfseries
+  \or % sigchi
+    \Huge\sffamily\bfseries
+  \or % sigchi-a
+     \Huge\bfseries
+  \fi}
+\def\@subtitlefont{%
+  \ifcase\ACM@format@nr
+  \relax % manuscript
+    \mdseries
+  \or % acmsmall
+    \mdseries
+  \or % acmlarge
+    \mdseries
+  \or % acmtog
+     \LARGE
+  \or % sigconf
+     \LARGE\mdseries
+  \or % siggraph
+     \LARGE\mdseries
+  \or % sigplan
+     \LARGE\mdseries
+  \or % sigchi
+     \LARGE\mdseries
+  \or % sigchi-a
+     \mdseries
+  \fi}
+\def\@mktitle@i{\hsize=\textwidth
+  \@ACM@title@width=\hsize
+  \ifx\@acmBadgeL@image\@empty\else
+    \advance\@ACM@title@width by -\@ACM@badge@width
+    \advance\@ACM@title@width by -\@ACM@badge@skip
+  \fi
+  \ifx\@acmBadgeR@image\@empty\else
+    \advance\@ACM@title@width by -\@ACM@badge@width
+    \advance\@ACM@title@width by -\@ACM@badge@skip
+  \fi
+  \setbox\mktitle@bx=\vbox{\noindent\@titlefont
+    \ifx\@acmBadgeL@image\@empty\else
+      \raisebox{-.5\baselineskip}[\z@][\z@]{\href{\@acmBadgeL@url}{%
+          \includegraphics[width=\@ACM@badge@width]{\@acmBadgeL@image}}}%
+      \hskip\@ACM@badge@skip
+    \fi
+    \parbox[t]{\@ACM@title@width}{\raggedright
+      \@titlefont\noindent
+      \@title
+  \ifx\@subtitle\@empty\else
+    \par\noindent{\@subtitlefont\@subtitle}
+  \fi}%
+  \ifx\@acmBadgeR@image\@empty\else
+    \hskip\@ACM@badge@skip
+    \raisebox{-.5\baselineskip}[\z@][\z@]{\href{\@acmBadgeR@url}{%
+        \includegraphics[width=\@ACM@badge@width]{\@acmBadgeR@image}}}%
+  \fi
+  \par\bigskip}}%
+\def\@mktitle@iii{\hsize=\textwidth
+    \setbox\mktitle@bx=\vbox{\@titlefont\centering
+      \@ACM@title@width=\hsize
+      \if@ACM@badge
+        \advance\@ACM@title@width by -2\@ACM@badge@width
+        \advance\@ACM@title@width by -2\@ACM@badge@skip
+        \parbox[b]{\@ACM@badge@width}{\strut
+          \ifx\@acmBadgeL@image\@empty\else
+            \raisebox{-.5\baselineskip}[\z@][\z@]{\href{\@acmBadgeL@url}{%
+                \includegraphics[width=\@ACM@badge@width]{\@acmBadgeL@image}}}%
+          \fi}%
+        \hskip\@ACM@badge@skip
+      \fi
+      \parbox[t]{\@ACM@title@width}{\centering\@titlefont
+        \@title
+        \ifx\@subtitle\@empty\else
+          \par\noindent{\@subtitlefont\@subtitle}
+        \fi
+      }%
+      \if@ACM@badge
+        \hskip\@ACM@badge@skip
+        \parbox[b]{\@ACM@badge@width}{\strut
+          \ifx\@acmBadgeR@image\@empty\else
+            \raisebox{-.5\baselineskip}[\z@][\z@]{\href{\@acmBadgeR@url}{%
+                \includegraphics[width=\@ACM@badge@width]{\@acmBadgeR@image}}}%
+          \fi}%
+      \fi
+      \par\bigskip}}%
+\def\@mktitle@iv{\hsize=\textwidth
+    \setbox\mktitle@bx=\vbox{\raggedright\leftskip5pc\@titlefont
+      \noindent\leavevmode\leaders\hrule height 2pt\hfill\kern0pt\par
+      \noindent\@title
+     \ifx\@subtitle\@empty\else
+       \par\noindent\@subtitlefont\@subtitle
+     \fi
+     \par\bigskip}}%
+\newbox\@ACM@commabox
+\def\@ACM@addtoaddress#1{%
+  \ifvmode\else
+    \setbox\@ACM@commabox=\hbox{, }%
+    \unskip\cleaders\copy\@ACM@commabox\hskip\wd\@ACM@commabox
+  \fi
+  #1}
+\if@ACM@journal
+  \let\position\@gobble
+  \def\institution#1{#1\ignorespaces}%
+  \let\department\@gobble
+  \let\streetaddress\@gobble
+  \let\city\@gobble
+  \let\state\@gobble
+  \let\postcode\@gobble
+  \let\country\@gobble
+\else
+  \def\position#1{#1\par}%
+  \def\institution#1{#1\par}%
+  \def\department#1{#1\par}%
+  \def\streetaddress#1{#1\par}%
+  \let\city\@ACM@addtoaddress
+  \let\state\@ACM@addtoaddress
+  \def\postcode#1{\unskip\space#1}%
+  \let\country\@ACM@addtoaddress
+\fi
+\def\@mkauthors{\begingroup
+  \hsize=\textwidth
+  \ifcase\ACM@format@nr
+  \relax % manuscript
+    \@mkauthors@i
+  \or % acmsmall
+    \@mkauthors@i
+  \or % acmlarge
+    \@mkauthors@i
+  \or % acmtog
+    \@mkauthors@i
+  \or % sigconf
+    \@mkauthors@iii
+  \or % siggraph
+    \@mkauthors@iii
+  \or % sigplan
+    \@mkauthors@iii
+  \or % sigchi
+    \@mkauthors@iii
+  \or % sigchi-a
+    \@mkauthors@iv
+  \fi
+  \endgroup
+}
+\def\@authorfont{\Large\sffamily}
+\def\@affiliationfont{\normalsize\normalfont}
+\ifcase\ACM@format@nr
+\relax % manuscript
+\or % acmsmall
+  \def\@authorfont{\large\sffamily}
+  \def\@affiliationfont{\small\normalfont}
+\or % acmlarge
+\or % acmtog
+  \def\@authorfont{\LARGE\sffamily}
+  \def\@affiliationfont{\large}
+\or % sigconf
+  \def\@authorfont{\LARGE}
+  \def\@affiliationfont{\large}
+\or % siggraph
+  \def\@authorfont{\normalsize\normalfont}
+  \def\@affiliationfont{\normalsize\normalfont}
+\or % sigplan
+  \def\@authorfont{\Large\normalfont}
+  \def\@affiliationfont{\normalsize\normalfont}
+\or % sigchi
+  \def\@authorfont{\bfseries}
+  \def\@affiliationfont{\mdseries}
+\or % sigchi-a
+  \def\@authorfont{\bfseries}
+  \def\@affiliationfont{\mdseries}
+\fi
+\def\@typeset@author@line{%
+  \andify\@currentauthors\par\noindent
+  \@currentauthors\def\@currentauthors{}%
+  \ifx\@currentaffiliations\@empty\else
+    \andify\@currentaffiliations
+      \unskip, {\@currentaffiliations}\par
+  \fi
+  \def\@currentaffiliations{}}
+\def\@mkauthors@i{%
+  \def\@currentauthors{}%
+  \def\@currentaffiliations{}%
+  \global\let\and\@typeset@author@line
+  \def\@author##1{%
+    \ifx\@currentauthors\@empty
+      \gdef\@currentauthors{\@authorfont\MakeUppercase{##1}}%
+    \else
+       \g@addto@macro{\@currentauthors}{\and\MakeUppercase{##1}}%
+    \fi
+    \gdef\and{}}%
+  \def\email##1##2{}%
+  \def\affiliation##1##2{%
+    \def\@tempa{##2}\ifx\@tempa\@empty\else
+       \ifx\@currentaffiliations\@empty
+          \gdef\@currentaffiliations{\@affiliationfont##2}%
+       \else
+         \g@addto@macro{\@currentaffiliations}{\and##2}%
+      \fi
+    \fi
+     \global\let\and\@typeset@author@line}
+  \global\setbox\mktitle@bx=\vbox{\noindent\box\mktitle@bx\par\medskip
+    \noindent\addresses\@typeset@author@line
+   \par\medskip}%
+}
+\newbox\author@bx
+\newdimen\author@bx@wd
+\newskip\author@bx@sep
+\author@bx@sep=1pc\relax
+\def\@typeset@author@bx{\bgroup\hsize=\author@bx@wd\def\and{\par}%
+  \global\setbox\author@bx=\vtop{\if@ACM@sigchiamode\else\centering\fi
+    \@authorfont\@currentauthors\par\@affiliationfont
+    \@currentaffiliation}\egroup
+  \box\author@bx\hspace{\author@bx@sep}%
+  \gdef\@currentauthors{}%
+  \gdef\@currentaffiliation{}}
+\def\@mkauthors@iii{%
+  \author@bx@wd=\textwidth\relax
+  \advance\author@bx@wd by -\author@bx@sep\relax
+  \ifcase\num@authorgroups
+  \relax % 0?
+  \or  % 1=one author per row
+  \or  % 2=two authors per row
+     \divide\author@bx@wd by \num@authorgroups\relax
+  \or  % 3=three authors per row
+     \divide\author@bx@wd by \num@authorgroups\relax
+  \or  % 4=two authors per row (!)
+     \divide\author@bx@wd by 2\relax
+  \else % three authors per row
+     \divide\author@bx@wd by 3\relax
+  \fi
+  \advance\author@bx@wd by -\author@bx@sep\relax
+  \gdef\@currentauthors{}%
+  \gdef\@currentaffiliation{}%
+  \def\@author##1{\ifx\@currentauthors\@empty
+    \gdef\@currentauthors{\par##1}%
+  \else
+    \g@addto@macro\@currentauthors{\par##1}%
+  \fi
+  \gdef\and{}}%
+  \def\email##1##2{\ifx\@currentaffiliation\@empty
+    \gdef\@currentaffiliation{\nolinkurl{##2}}%
+  \else
+    \g@addto@macro\@currentaffiliation{\par\nolinkurl{##2}}%
+  \fi}%
+  \def\affiliation##1##2{\ifx\@currentaffiliation\@empty
+    \gdef\@currentaffiliation{##2}%
+  \else
+    \g@addto@macro\@currentaffiliation{\par##2}%
+  \fi
+  \global\let\and\@typeset@author@bx
+}%
+  \hsize=\textwidth
+  \global\setbox\mktitle@bx=\vbox{\noindent
+    \box\mktitle@bx\par\medskip\leavevmode
+    \lineskip=1pc\relax\centering\hspace*{-1em}%
+    \addresses\let\and\@typeset@author@bx\and\par\bigskip}}
+\def\@mkauthors@iv{%
+  \author@bx@wd=\columnwidth\relax
+  \advance\author@bx@wd by -\author@bx@sep\relax
+  \ifcase\num@authorgroups
+  \relax % 0?
+  \or  % 1=one author per row
+  \else  % 2=two authors per row
+     \divide\author@bx@wd by 2\relax
+  \fi
+  \advance\author@bx@wd by -\author@bx@sep\relax
+  \gdef\@currentauthors{}%
+  \gdef\@currentaffiliation{}%
+  \def\@author##1{\ifx\@currentauthors\@empty
+    \gdef\@currentauthors{\par##1}%
+  \else
+    \g@addto@macro\@currentauthors{\par##1}%
+  \fi
+  \gdef\and{}}%
+  \def\email##1##2{\ifx\@currentaffiliation\@empty
+    \gdef\@currentaffiliation{\nolinkurl{##2}}%
+  \else
+    \g@addto@macro\@currentaffiliation{\par\nolinkurl{##2}}%
+  \fi}%
+  \def\affiliation##1##2{\ifx\@currentaffiliation\@empty
+    \gdef\@currentaffiliation{##2}%
+  \else
+    \g@addto@macro\@currentaffiliation{\par##2}%
+  \fi
+  \global\let\and\@typeset@author@bx}%
+    \bgroup\hsize=\columnwidth
+    \par\raggedright\leftskip=\z@
+    \lineskip=1pc\noindent
+    \addresses\let\and\@typeset@author@bx\and\par\bigskip\egroup}
+\def\@authornotemark{\g@addto@macro\@currentauthors{\footnotemark}}
+\def\@mkteasers{%
+  \ifx\@teaserfigures\@empty\else
+    \def\@teaser##1{\par\bigskip\bgroup
+      \captionsetup{type=figure}##1\egroup\par}
+    \global\setbox\mktitle@bx=\vbox{\noindent\box\mktitle@bx\par
+    \noindent\@teaserfigures\par\medskip}%
+  \fi}
+\def\@setaddresses{}
+\def\@mkabstract{\bgroup
+  \ifx\@abstract\@lempty\else
+  {\if@ACM@journal
+       \small\noindent
+    \else
+      \section*{Abstract}%
+    \fi
+   \phantomsection\addcontentsline{toc}{section}{Abstract}%
+   \ignorespaces\@abstract\par}%
+  \fi\egroup}
+\def\@mkbibcitation{\bgroup
+  \def\footnotemark{}%
+  \par\medskip\small\noindent{\bfseries ACM Reference format:}\par\nobreak
+  \noindent\authors. \@acmYear. \@title.
+  \if@ACM@journal
+     \textit{\@journalNameShort}
+     \@acmVolume, \@acmNumber, Article~\@acmArticle\ (\@acmPubDate),
+     \ref{TotPages}~pages.
+  \else
+     In \textit{Proceedings of \acmConference@name, \acmConference@venue,
+       \acmConference@date
+       \ifx\acmConference@name\acmConference@shortname\else
+         \ (\acmConference@shortname)\fi
+         ,} \ref{TotPages}~pages.
+  \fi\par
+  \noindent DOI: \nolinkurl{\@acmDOI}
+\par\egroup}
+\def\@printendtopmatter{\par\medskip
+  \ifcase\ACM@format@nr
+  \relax % manuscript
+    \noindent\hrulefill\par\medskip
+  \or % acmsmall
+    \noindent\hrulefill\par\medskip
+  \or % acmlarge
+    \noindent\hrulefill\par\medskip
+  \or % acmtog
+    \par\bigskip
+  \or % sigconf
+    \par\bigskip
+  \or % siggraph
+    \par\bigskip
+  \or % sigplan
+    \par\bigskip
+  \or % sigchi
+    \par\bigskip
+  \or % sigchi-a
+  \fi
+}
+\def\@setthanks{\long\def\thanks##1{\par##1\@addpunct.}\thankses}
+\RequirePackage{fancyhdr}
+\if@ACM@review
+  \newsavebox{\ACM@linecount@bx}
+  \savebox{\ACM@linecount@bx}[4em][t]{\parbox[t]{4em}{%
+      \newlength\ACM@linecount@bxht\setlength{\ACM@linecount@bxht}{-\baselineskip}
+      \@tempcnta\@ne\relax
+%      \loop{\color{ACMRed}\scriptsize\the\@tempcnta}\\
+      \loop{\scriptsize\the\@tempcnta}\\
+      \advance\@tempcnta by \@ne
+      \addtolength{\ACM@linecount@bxht}{\baselineskip}
+      \ifdim\ACM@linecount@bxht<\textheight\repeat}}
+\fi
+\def\ACM@linecount{%
+  \if@ACM@review
+  \begin{picture}(0,0)%
+    \put(-26,-22){\usebox{\ACM@linecount@bx}}%
+  \end{picture}%
+  \fi}
+\def\@shortauthors{\if@ACM@anonymous Anon.\else\shortauthors\fi}
+\def\@headfootfont{%
+  \ifcase\ACM@format@nr
+  \relax % manuscript
+    \sffamily
+  \or % acmsmall
+    \sffamily
+  \or % acmlarge
+    \sffamily
+  \or % acmtog
+    \sffamily
+  \or % sigconf
+    \sffamily
+  \or % siggraph
+    \sffamily
+  \or % sigplan
+    \sffamily
+  \or % sigchi
+    \sffamily
+  \or % sigchi-a
+    \sffamily
+  \fi}
+\fancypagestyle{standardpagestyle}{%
+  \fancyhf{}%
+  \renewcommand{\headrulewidth}{\z@}%
+  \renewcommand{\footrulewidth}{\z@}%
+  \ifcase\ACM@format@nr
+  \relax % manuscript
+    \fancyhead[LE]{\ACM@linecount\if@ACM@printfolios\thepage\fi}%
+    \fancyhead[RO]{\if@ACM@printfolios\thepage\fi}%
+    \fancyhead[RE]{\@shortauthors}%
+    \fancyhead[LO]{\ACM@linecount\shorttitle}%
+    \fancyfoot[RO,LE]{\footnotesize Manuscript submitted to ACM}%
+  \or % acmsmall
+    \fancyhead[LE]{\ACM@linecount\@headfootfont\@acmArticle\if@ACM@printfolios:\thepage\fi}%
+    \fancyhead[RO]{\@headfootfont\@acmArticle\if@ACM@printfolios:\thepage\fi}%
+    \fancyhead[RE]{\@headfootfont\@shortauthors}%
+    \fancyhead[LO]{\ACM@linecount\@headfootfont\shorttitle}%
+    \fancyfoot[RO,LE]{\footnotesize \@journalName, Vol. \@acmVolume, No.
+    \@acmNumber, Article \@acmArticle.  Publication date: \@acmPubDate.}%
+  \or % acmlarge
+    \fancyhead[LE]{\ACM@linecount\@headfootfont
+      \@acmArticle:\if@ACM@printfolios\thepage\quad\textbullet\quad\fi\@shortauthors}%
+    \fancyhead[LO]{\ACM@linecount}%
+    \fancyhead[RO]{\@headfootfont
+      \shorttitle\quad\textbullet\quad\@acmArticle\if@ACM@printfolios:\thepage\fi}%
+    \fancyfoot[RO,LE]{\footnotesize \@journalName, Vol. \@acmVolume, No.
+    \@acmNumber, Article \@acmArticle.  Publication date: \@acmPubDate.}%
+  \or % acmtog
+    \fancyhead[LE]{\ACM@linecount\@headfootfont
+      \@acmArticle:\if@ACM@printfolios\thepage\quad\textbullet\quad\fi\@shortauthors}%
+    \fancyhead[LO]{\ACM@linecount}%
+    \fancyhead[RO]{\@headfootfont
+      \shorttitle\quad\textbullet\quad\@acmArticle\if@ACM@printfolios:\thepage\fi}%
+    \fancyfoot[RO,LE]{\footnotesize \@journalName, Vol. \@acmVolume, No.
+    \@acmNumber, Article \@acmArticle.  Publication date: \@acmPubDate.}%
+  \else % Proceedings
+    \fancyfoot[C]{\if@ACM@printfolios\footnotesize\thepage\fi}%
+    \fancyhead[LO]{\ACM@linecount\@headfootfont\shorttitle}%
+    \fancyhead[RE]{\@headfootfont\@shortauthors}%
+    \fancyhead[LE]{\ACM@linecount\@headfootfont\acmConference@shortname,
+      \acmConference@date, \acmConference@venue}%
+    \fancyhead[RO]{\@headfootfont\acmConference@shortname,
+      \acmConference@date, \acmConference@venue}%
+  \fi
+  \if@ACM@sigchiamode
+     \fancyheadoffset[L]{\dimexpr(\marginparsep+\marginparwidth)}%
+  \fi
+}
+\pagestyle{standardpagestyle}
+\newdimen\@folio@wd
+\@folio@wd=\z@
+\newdimen\@folio@ht
+\@folio@ht=\z@
+\newdimen\@folio@voffset
+\@folio@voffset=\z@
+\def\@folio@max{1}
+\ifcase\ACM@format@nr
+\relax % manuscript
+\or % acmsmall
+  \@folio@wd=45.75pt\relax
+  \@folio@ht=1.25in\relax
+  \@folio@voffset=.2in\relax
+  \def\@folio@max{8}
+\or % acmlarge
+  \@folio@wd=43.25pt\relax
+  \@folio@ht=79pt\relax
+  \@folio@voffset=.55in\relax
+  \def\@folio@max{10}
+\fi
+\def\@folioblob{\@tempcnta=\@acmArticleSeq\relax
+  \loop
+     \ifnum\@tempcnta>\@folio@max\relax
+      \advance\@tempcnta by - \@folio@max
+   \repeat
+    \advance\@tempcnta by -1\relax
+    \@tempdima=\@folio@ht\relax
+    \multiply\@tempdima by \the\@tempcnta\relax
+    \advance\@tempdima by -\@folio@voffset\relax
+    \begin{picture}(0,0)
+    \makebox[\z@]{\raisebox{-\@tempdima}{%
+        \rlap{%
+          \raisebox{-0.45\@folio@ht}[\z@][\z@]{%
+            \rule{\@folio@wd}{\@folio@ht}}}%
+        \parbox{\@folio@wd}{%
+          \centering
+          \textcolor{white}{\LARGE\bfseries\sffamily\@acmArticle}}}}
+  \end{picture}}
+
+\fancypagestyle{firstpagestyle}{%
+  \fancyhf{}%
+  \renewcommand{\headrulewidth}{\z@}%
+  \renewcommand{\footrulewidth}{\z@}%
+  \ifcase\ACM@format@nr
+  \relax % manuscript
+    \fancyhead[L]{\ACM@linecount}%
+    \fancyfoot[RO,LE]{\if@ACM@printfolios\small\thepage\fi}%
+    \fancyfoot[RE,LO]{\footnotesize Manuscript submitted to ACM}%
+  \or % acmsmall
+    \fancyfoot[RO,LE]{\footnotesize \@journalName, Vol. \@acmVolume, No.
+    \@acmNumber, Article \@acmArticle.  Publication date:
+    \@acmPubDate.}%
+    \fancyhead[LE]{\ACM@linecount\@folioblob}%
+    \fancyhead[LO]{\ACM@linecount}%
+    \fancyhead[RO]{\@folioblob}%
+    \fancyheadoffset[RO,LE]{0.6\@folio@wd}%
+  \or % acmlarge
+    \fancyfoot[RO,LE]{\footnotesize \@journalName, Vol. \@acmVolume, No.
+    \@acmNumber, Article \@acmArticle.  Publication date:
+    \@acmPubDate.}%
+    \fancyhead[RO]{\@folioblob}%
+    \fancyhead[LE]{\ACM@linecount\@folioblob}%
+    \fancyhead[LO]{\ACM@linecount}%
+    \fancyheadoffset[RO,LE]{1.4\@folio@wd}%
+  \or % acmtog
+    \fancyfoot[RO,LE]{\footnotesize \@journalName, Vol. \@acmVolume, No.
+    \@acmNumber, Article \@acmArticle.  Publication date:
+    \@acmPubDate.}%
+    \fancyhead[L]{\ACM@linecount}%
+  \else % Conference proceedings
+    \fancyhead[L]{\ACM@linecount}%
+    \fancyfoot[C]{\if@ACM@printfolios\footnotesize\thepage\fi}%
+  \fi
+}
+\renewcommand\section{\@startsection{section}{1}{\z@}%
+  {-.75\baselineskip \@plus -2\p@ \@minus -.2\p@}%
+  {.25\baselineskip}%
+  {\@secfont}}
+\renewcommand\subsection{\@startsection{subsection}{2}{\z@}%
+  {-.75\baselineskip \@plus -2\p@ \@minus -.2\p@}%
+  {.25\baselineskip}%
+  {\@subsecfont}}
+\renewcommand\subsubsection{\@startsection{subsubsection}{3}{10pt}%
+  {-.5\baselineskip \@plus -2\p@ \@minus -.2\p@}%
+  {-3.5\p@}%
+  {\@subsubsecfont\@adddotafter}}
+\renewcommand\paragraph{\@startsection{paragraph}{4}{\parindent}%
+  {-.5\baselineskip \@plus -2\p@ \@minus -.2\p@}%
+  {-3.5\p@}%
+  {\@parfont\@adddotafter}}
+\renewcommand\part{\@startsection{part}{9}{\z@}%
+  {-10\p@ \@plus -4\p@ \@minus -2\p@}%
+  {4\p@}%
+  {\@parfont}}
+\def\section@raggedright{\@rightskip\@flushglue
+  \rightskip\@rightskip
+  \leftskip\z@skip
+  \parindent\z@}
+\def\@secfont{\sffamily\bfseries\section@raggedright\MakeUppercase}
+\def\@subsecfont{\sffamily\bfseries\section@raggedright}
+\def\@subsubsecfont{\sffamily\itshape}
+\def\@parfont{\itshape}
+\setcounter{secnumdepth}{3}
+\ifcase\ACM@format@nr
+\relax % manuscript
+\or % acmsmall
+\or % acmlarge
+ \def\@secfont{\sffamily\large\section@raggedright\MakeUppercase}
+ \def\@subsecfont{\sffamily\large\section@raggedright}
+\or % acmtog
+ \def\@secfont{\sffamily\large\section@raggedright\MakeUppercase}
+ \def\@subsecfont{\sffamily\large\section@raggedright}
+\or % sigconf
+ \def\@secfont{\bfseries\Large\section@raggedright\MakeUppercase}
+ \def\@subsecfont{\bfseries\Large\section@raggedright}
+\or % siggraph
+ \def\@secfont{\bfseries\sffamily\Large\section@raggedright\MakeUppercase}
+ \def\@subsecfont{\bfseries\sffamily\Large\section@raggedright}
+\or % sigplan
+ \def\@secfont{\bfseries\Large\section@raggedright}
+ \def\@subsecfont{\bfseries\section@raggedright}
+ \renewcommand\subsubsection{\@startsection{subsubsection}{3}{\z@}%
+   {-.75\baselineskip \@plus -2\p@ \@minus -.2\p@}%
+   {.25\baselineskip}%
+   {\@subsubsecfont}}
+ \def\@subsubsecfont{\bfseries\section@raggedright}
+ \renewcommand\paragraph{\@startsection{paragraph}{4}{\z@}%
+   {-.5\baselineskip \@plus -2\p@ \@minus -.2\p@}%
+   {-3.5\p@}%
+   {\@parfont\@addspaceafter}}
+ \def\@parfont{\bfseries\itshape}
+ \renewcommand\subparagraph{\@startsection{subparagraph}{5}{\z@}%
+   {-.5\baselineskip \@plus -2\p@ \@minus -.2\p@}%
+   {-3.5\p@}%
+   {\@subparfont\@addspaceafter}}
+ \def\@subparfont{\itshape}
+\or % sigchi
+ \setcounter{secnumdepth}{1}
+ \def\@secfont{\bfseries\sffamily\section@raggedright\MakeUppercase}
+ \def\@subsecfont{\bfseries\sffamily\section@raggedright}
+\or % sigchi-a
+ \setcounter{secnumdepth}{0}
+ \def\@secfont{\bfseries\sffamily\section@raggedright\MakeUppercase}
+ \def\@subsecfont{\bfseries\sffamily\section@raggedright}
+\fi
+\def\@adddotafter#1{#1\@addpunct{.}}
+\def\@addspaceafter#1{#1\@addpunct{\enspace}}
+\def\@acmplainbodyfont{\itshape}
+\def\@acmplainindent{\parindent}
+\def\@acmplainheadfont{\scshape}
+\def\@acmplainnotefont{\@empty}
+\ifcase\ACM@format@nr
+\relax % manuscript
+\or % acmsmall
+\or % acmlarge
+\or % acmtog
+\or % sigconf
+\or % siggraph
+\or % sigplan
+  \def\@acmplainbodyfont{\itshape}
+  \def\@acmplainindent{\z@}
+  \def\@acmplainheadfont{\bfseries}
+  \def\@acmplainnotefont{\normalfont}
+\or % sigchi
+\or % sigchi-a
+\fi
+\newtheoremstyle{acmplain}%
+  {.5\baselineskip\@plus.2\baselineskip
+    \@minus.2\baselineskip}% space above
+  {.5\baselineskip\@plus.2\baselineskip
+    \@minus.2\baselineskip}% space below
+  {\@acmplainbodyfont}% body font
+  {\@acmplainindent}% indent amount
+  {\@acmplainheadfont}% head font
+  {.}% punctuation after head
+  {.5em}% spacing after head
+  {\thmname{#1}\thmnumber{ #2}\thmnote{ {\@acmplainnotefont(#3)}}}% head spec
+\def\@acmdefinitionbodyfont{\normalfont}
+\def\@acmdefinitionindent{\parindent}
+\def\@acmdefinitionheadfont{\itshape}
+\def\@acmdefinitionnotefont{\@empty}
+\ifcase\ACM@format@nr
+\relax % manuscript
+\or % acmsmall
+\or % acmlarge
+\or % acmtog
+\or % sigconf
+\or % siggraph
+\or % sigplan
+  \def\@acmdefinitionbodyfont{\normalfont}
+  \def\@acmdefinitionindent{\z@}
+  \def\@acmdefinitionheadfont{\bfseries}
+  \def\@acmdefinitionnotefont{\normalfont}
+\or % sigchi
+\or % sigchi-a
+\fi
+\newtheoremstyle{acmdefinition}%
+  {.5\baselineskip\@plus.2\baselineskip
+    \@minus.2\baselineskip}% space above
+  {.5\baselineskip\@plus.2\baselineskip
+    \@minus.2\baselineskip}% space below
+  {\@acmdefinitionbodyfont}% body font
+  {\@acmdefinitionindent}% indent amount
+  {\@acmdefinitionheadfont}% head font
+  {.}% punctuation after head
+  {.5em}% spacing after head
+  {\thmname{#1}\thmnumber{ #2}\thmnote{ {\@acmdefinitionnotefont(#3)}}}% head spec
+\theoremstyle{acmplain}
+\newtheorem{theorem}{Theorem}[section]
+\newtheorem{conjecture}[theorem]{Conjecture}
+\newtheorem{proposition}[theorem]{Proposition}
+\newtheorem{lemma}[theorem]{Lemma}
+\newtheorem{corollary}[theorem]{Corollary}
+\theoremstyle{acmdefinition}
+\newtheorem{example}[theorem]{Example}
+\newtheorem{definition}[theorem]{Definition}
+\theoremstyle{acmplain}
+\def\@proofnamefont{\scshape}
+\def\@proofindent{\indent}
+\ifcase\ACM@format@nr
+\relax % manuscript
+\or % acmsmall
+\or % acmlarge
+\or % acmtog
+\or % sigconf
+\or % siggraph
+\or % sigplan
+  \def\@proofnamefont{\itshape}
+  \def\@proofindent{\noindent}
+\or % sigchi
+\or % sigchi-a
+\fi
+\renewenvironment{proof}[1][\proofname]{\par
+  \pushQED{\qed}%
+  \normalfont \topsep6\p@\@plus6\p@\relax
+  \trivlist
+  \item[\@proofindent\hskip\labelsep
+        {\@proofnamefont #1\@addpunct{.}}]\ignorespaces
+}{%
+  \popQED\endtrivlist\@endpefalse
+}
+\specialcomment{acks}{%
+  \begingroup
+  \section*{Acknowledgments}
+  \phantomsection\addcontentsline{toc}{section}{Acknowledgments}
+}{%
+  \endgroup
+}
+\def\grantsponsor#1#2#3{#2}
+\newcommand\grantnum[3][]{#3%
+  \def\@tempa{#1}\ifx\@tempa\@empty\else\space(\url{#1})\fi}
+\if@ACM@screen
+  \includecomment{screenonly}
+  \excludecomment{printonly}
+\else
+  \excludecomment{screenonly}
+  \includecomment{printonly}
+\fi
+\if@ACM@anonymous
+  \excludecomment{anonsuppress}
+  \excludecomment{acks}
+\else
+  \includecomment{anonsuppress}
+\fi
+\newcommand\showeprint[2][arxiv]{%
+  \def\@tempa{#1}%
+  \ifx\@tempa\@empty\def\@tempa{arxiv}\fi
+  \def\@tempb{arxiv}%
+  \ifx\@tempa\@tempb
+     arXiv:\href{http://arxiv.org/abs/#2}{#2}\else arXiv:#2%
+  \fi}
+\normalsize\normalfont
+\endinput
+%%
+%% End of file `acmart.cls'.