mirror of https://github.com/matze/mtheme.git
439 lines
14 KiB
TeX
439 lines
14 KiB
TeX
% \iffalse meta-comment -------------------------------------------------------
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% Copyright 2015 Matthias Vogelgesang and the LaTeX community. A full list of
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% contributors can be found at
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%
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% https://github.com/matze/mtheme/graphs/contributors
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%
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% and the original template was based on the HSRM theme by Benjamin Weiss.
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%
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% This work is licensed under a Creative Commons Attribution-ShareAlike 4.0
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% International License (https://creativecommons.org/licenses/by-sa/4.0/).
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% ------------------------------------------------------------------------- \fi
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% \iffalse
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%<*package>
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\NeedsTeXFormat{LaTeX2e}
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\ProvidesPackage{beamerfontthememetropolis}[2017/01/23 Metropolis font theme]
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%</package>
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% \fi
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% \CheckSum{0}
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% \StopEventually{}
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% \iffalse
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%<*package>
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% ------------------------------------------------------------------------- \fi
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%
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% \subsection{\themename font theme}
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%
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% A |beamer| font theme sets the style of the font used in the document.
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%
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%
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%
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% \subsubsection{Package dependencies}
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%
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% \begin{macrocode}
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\RequirePackage{etoolbox}
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\RequirePackage{ifxetex}
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\RequirePackage{ifluatex}
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\RequirePackage{pgfopts}
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% \end{macrocode}
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%
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%
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%
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% \subsubsection{Load Fira fonts}
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%
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% If the presentation is compiled with Xe\LaTeX{} or Lua\LaTeX{}, the fontspec
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% package is loaded and we search for the |Fira| fonts.
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%
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% \begin{macrocode}
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\ifboolexpr{bool {xetex} or bool {luatex}}{
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\@ifpackageloaded{fontspec}{
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\PassOptionsToPackage{no-math}{fontspec}
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}{
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\RequirePackage[no-math]{fontspec}
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}
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% \end{macrocode}
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%
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% \begin{macro}{\checkfont}
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% Checks if a font is installed; if not, |fontsnotfound| is increased.
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% \begin{macrocode}
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\newcounter{fontsnotfound}
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\newcommand{\checkfont}[1]{%
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\suppressfontnotfounderror=1%
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\font\x = "#1" at 10pt
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\selectfont
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\ifx\x\nullfont%
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\stepcounter{fontsnotfound}%
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\fi%
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\suppressfontnotfounderror=0%
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}
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% \end{macrocode}
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% \end{macro}
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%
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% \begin{macro}{\iffontsavailable}
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% Resets the |fontsnotfound| counter and calls |\checkfont| for each font in
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% the comma separated list in the first argument.
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% \begin{macrocode}
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\newcommand{\iffontsavailable}[3]{%
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\setcounter{fontsnotfound}{0}%
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\expandafter\forcsvlist\expandafter%
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\checkfont\expandafter{#1}%
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\ifnum\value{fontsnotfound}=0%
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#2%
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\else%
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#3%
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\fi%
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}
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% \end{macrocode}
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% \end{macro}
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%
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% We search for regular, italic, light, light italic, mono, and mono bold
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% fonts under the default |Fira Sans| and |Fira Mono| names. If this fails,
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% the suffix OT --- used by some Linux distributions --- will be tried. If this
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% also fails, a warning will be displayed and the standard fonts will be used.
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%
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% \begin{macrocode}
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\iffontsavailable{Fira Sans Light,%
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Fira Sans Light Italic,%
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Fira Sans,%
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Fira Sans Italic}%
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{%
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\setsansfont[ItalicFont={Fira Sans Light Italic},%
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BoldFont={Fira Sans},%
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BoldItalicFont={Fira Sans Italic}]%
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{Fira Sans Light}%
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}{%
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\iffontsavailable{Fira Sans Light OT,%
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Fira Sans Light Italic OT,%
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Fira Sans OT,%
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Fira Sans Italic OT}%
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{%
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\setsansfont[ItalicFont={Fira Sans Light Italic OT},%
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BoldFont={Fira Sans OT},%
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BoldItalicFont={Fira Sans Italic OT}]%
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{Fira Sans Light OT}%
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}{%
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\PackageWarning{beamerthememetropolis}{%
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Could not find Fira Sans fonts%
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}
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}
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}
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\iffontsavailable{Fira Mono, Fira Mono Bold}{%
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\setmonofont[BoldFont={Fira Mono Medium}]{Fira Mono}%
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}{%
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\iffontsavailable{Fira Mono OT, Fira Mono Bold OT}{%
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\setmonofont[BoldFont={Fira Mono Medium OT}]{Fira Mono OT}%
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}{%
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\PackageWarning{beamerthememetropolis}{%
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Could not find Fira Mono fonts%
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}
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}
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}
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\AtBeginEnvironment{tabular}{%
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\addfontfeature{Numbers={Monospaced}}%
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}
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}{%
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\PackageWarning{beamerthememetropolis}{%
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You need to compile with XeLaTeX or LuaLaTeX to use the Fira fonts%
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}
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}
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% \end{macrocode}
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%
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% This concludes the portion of the code which is only run when compiled with
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% Xe\LaTeX{} or Lua\LaTeX{}. The remainder of this package applies regardless
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% of the compiling engine.
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%
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%
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%
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% \subsubsection{General font definitions}
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%
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% \begin{macrocode}
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\setbeamerfont{title}{size=\Large,%
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series=\bfseries}
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\setbeamerfont{author}{size=\small}
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\setbeamerfont{date}{size=\small}
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\setbeamerfont{section title}{size=\Large,%
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series=\bfseries}
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\setbeamerfont{block title}{size=\normalsize,%
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series=\bfseries}
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\setbeamerfont{block title alerted}{size=\normalsize,%
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series=\bfseries}
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\setbeamerfont*{subtitle}{size=\large}
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\setbeamerfont{frametitle}{size=\large,%
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series=\bfseries}
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\setbeamerfont{caption}{size=\small}
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\setbeamerfont{caption name}{series=\bfseries}
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\setbeamerfont{description item}{series=\bfseries}
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\setbeamerfont{page number in head/foot}{size=\scriptsize}
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\setbeamerfont{bibliography entry author}{size=\normalsize,%
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series=\normalfont}
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\setbeamerfont{bibliography entry title}{size=\normalsize,%
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series=\bfseries}
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\setbeamerfont{bibliography entry location}{size=\normalsize,%
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series=\normalfont}
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\setbeamerfont{bibliography entry note}{size=\small,%
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series=\normalfont}
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\setbeamerfont{standout}{size=\Large,%
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series=\bfseries}
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% \end{macrocode}
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%
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%
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%
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% \subsubsection{Title format options}
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%
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% \begin{macro}{titleformat title}
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% Controls the format of the title.
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% \begin{macrocode}
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\pgfkeys{
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/metropolis/font/titleformat title/.cd,
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.is choice,
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regular/.code={%
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\let\metropolis@titleformat\@empty%
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\setbeamerfont{title}{shape=\normalfont}%
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},
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smallcaps/.code={%
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\let\metropolis@titleformat\@empty%
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\setbeamerfont{title}{shape=\scshape}%
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},
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allsmallcaps/.code={%
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\let\metropolis@titleformat\lowercase%
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\setbeamerfont{title}{shape=\scshape}%
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\PackageWarning{beamerthememetropolis}{%
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Be aware that titleformat title=allsmallcaps can lead to problems%
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}
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},
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allcaps/.code={%
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\let\metropolis@titleformat\uppercase%
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\setbeamerfont{title}{shape=\normalfont}
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\PackageWarning{beamerthememetropolis}{%
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Be aware that titleformat title=allcaps can lead to problems%
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}
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},
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}
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% \end{macrocode}
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% \end{macro}
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%
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% \begin{macro}{titleformat subtitle}
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% Control the format of the subtitle.
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% \begin{macrocode}
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\pgfkeys{
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/metropolis/font/titleformat subtitle/.cd,
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.is choice,
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regular/.code={%
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\let\metropolis@subtitleformat\@empty%
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\setbeamerfont{subtitle}{shape=\normalfont}%
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},
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smallcaps/.code={%
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\let\metropolis@subtitleformat\@empty%
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\setbeamerfont{subtitle}{shape=\scshape}%
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},
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allsmallcaps/.code={%
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\let\metropolis@subtitleformat\lowercase%
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\setbeamerfont{subtitle}{shape=\scshape}%
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\PackageWarning{beamerthememetropolis}{%
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Be aware that titleformat subtitle=allsmallcaps can lead to problems%
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}
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},
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allcaps/.code={%
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\let\metropolis@subtitleformat\uppercase%
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\setbeamerfont{subtitle}{shape=\normalfont}%
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\PackageWarning{beamerthememetropolis}{%
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Be aware that titleformat subtitle=allcaps can lead to problems%
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}
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},
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}
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% \end{macrocode}
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% \end{macro}
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%
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% \begin{macro}{titleformat section}
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% Controls the format of the section title.
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% \begin{macrocode}
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\pgfkeys{
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/metropolis/font/titleformat section/.cd,
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.is choice,
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regular/.code={%
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\let\metropolis@sectiontitleformat\@empty%
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\setbeamerfont{section title}{shape=\normalfont}%
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},
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smallcaps/.code={%
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\let\metropolis@sectiontitleformat\@empty%
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\setbeamerfont{section title}{shape=\scshape}%
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},
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allsmallcaps/.code={%
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\let\metropolis@sectiontitleformat\MakeLowercase%
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\setbeamerfont{section title}{shape=\scshape}%
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\PackageWarning{beamerthememetropolis}{%
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Be aware that titleformat section=allsmallcaps can lead to problems%
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}
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},
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allcaps/.code={%
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\let\metropolis@sectiontitleformat\MakeUppercase%
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\setbeamerfont{section title}{shape=\normalfont}%
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\PackageWarning{beamerthememetropolis}{%
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Be aware that titleformat section=allcaps can lead to problems%
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}
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},
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}
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% \end{macrocode}
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% \end{macro}
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%
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% \begin{macro}{frametitleformat}
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% Control the format of the frame title.
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% \begin{macrocode}
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\pgfkeys{
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/metropolis/font/titleformat frame/.cd,
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.is choice,
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regular/.code={%
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\let\metropolis@frametitleformat\@empty%
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\setbeamerfont{frametitle}{shape=\normalfont}%
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},
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smallcaps/.code={%
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\let\metropolis@frametitleformat\@empty%
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\setbeamerfont{frametitle}{shape=\scshape}%
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},
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allsmallcaps/.code={%
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\let\metropolis@frametitleformat\MakeLowercase%
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\setbeamerfont{frametitle}{shape=\scshape}%
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\PackageWarning{beamerthememetropolis}{%
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Be aware that titleformat frame=allsmallcaps can lead to problems%
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}
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},
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allcaps/.code={%
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\let\metropolis@frametitleformat\MakeUppercase%
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\setbeamerfont{frametitle}{shape=\normalfont}
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\PackageWarning{beamerthememetropolis}{%
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Be aware that titleformat frame=allcaps can lead to problems%
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}
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},
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}
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% \end{macrocode}
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% \end{macro}
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%
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% \begin{macro}{titleformat aliases}
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% Allows |titleformat title| et al. to be used in the |\usetheme|
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% declaration, where \LaTeX{} automatically removes all spaces.
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% \begin{macrocode}
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\pgfkeys{
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/metropolis/font/.cd,
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titleformattitle/.code=\pgfkeysalso{titleformat title=#1},
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titleformatsubtitle/.code=\pgfkeysalso{titleformat subtitle=#1},
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titleformatsection/.code=\pgfkeysalso{titleformat section=#1},
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titleformatframe/.code=\pgfkeysalso{titleformat frame=#1},
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}
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% \end{macrocode}
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% \end{macro}
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%
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% \begin{macro}{\metropolis@font@setdefaults}
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% Sets default values for font theme options.
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% \begin{macrocode}
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\newcommand{\metropolis@font@setdefaults}{
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\pgfkeys{/metropolis/font/.cd,
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titleformat title=regular,
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titleformat subtitle=regular,
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titleformat section=regular,
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titleformat frame=regular,
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}
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}
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% \end{macrocode}
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% \end{macro}
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%
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% We first define hooks to change the case format of the titles.
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%
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% \begin{macrocode}
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\def\metropolis@titleformat#1{#1}
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\def\metropolis@subtitleformat#1{#1}
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\def\metropolis@sectiontitleformat#1{#1}
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\def\metropolis@frametitleformat#1{#1}
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% \end{macrocode}
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%
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% To make the uppercase and lowercase macros work in the title, subtitle, etc.,
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% we have to patch the appropriate |beamer| commands that set their values.
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% This solution was suggested by Enrico Gregorio in an answer to
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% \href{http://tex.stackexchange.com/questions/112526/}{this StackExchange
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% question}.
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%
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% \begin{macrocode}
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\patchcmd{\beamer@title}%
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{\def\inserttitle{#2}}%
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{\def\inserttitle{\metropolis@titleformat{#2}}}%
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{}%
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{\PackageError{beamerfontthememetropolis}{Patching title failed}\@ehc}
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\patchcmd{\beamer@subtitle}%
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{\def\insertsubtitle{#2}}%
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{\def\insertsubtitle{\metropolis@subtitleformat{#2}}}%
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{}%
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{\PackageError{beamerfontthememetropolis}{Patching subtitle failed}\@ehc}
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\patchcmd{\sectionentry}
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{\def\insertsectionhead{#2}}
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{\def\insertsectionhead{\metropolis@sectiontitleformat{#2}}}
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{}
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{\PackageError{beamerfontthememetropolis}{Patching section title failed}\@ehc}
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\@tempswafalse
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\patchcmd{\beamer@section}
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{\def\insertsectionhead{\hyperlink{Navigation\the\c@page}{#1}}}
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{\def\insertsectionhead{\hyperlink{Navigation\the\c@page}{%
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\metropolis@sectiontitleformat{#1}}}}
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{\@tempswatrue}
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{}
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\patchcmd{\beamer@section}
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{\protected@edef\insertsectionhead{\noexpand\hyperlink{Navigation\the\c@page}{#1}}}
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{\protected@edef\insertsectionhead{\noexpand\hyperlink{Navigation\the\c@page}{%
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\noexpand\metropolis@sectiontitleformat{#1}}}}
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{\@tempswatrue}
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{}
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\if@tempswa\else
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\PackageError{beamerfontthememetropolis}{Patching section title failed}\@ehc
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\fi
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\@tempswafalse
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\patchcmd{\beamer@subsection}
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{\def\insertsubsectionhead{\hyperlink{Navigation\the\c@page}{#1}}}
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{\def\insertsubsectionhead{\hyperlink{Navigation\the\c@page}{%
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\metropolis@sectiontitleformat{#1}}}}
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{\@tempswatrue}
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{}
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\patchcmd{\beamer@subsection}
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{\protected@edef\insertsubsectionhead{\noexpand\hyperlink{Navigation\the\c@page}{#1}}}
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{\protected@edef\insertsubsectionhead{\noexpand\hyperlink{Navigation\the\c@page}{%
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\noexpand\metropolis@sectiontitleformat{#1}}}}
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{\@tempswatrue}
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{}
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\if@tempswa\else
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\PackageError{beamerfontthememetropolis}{Patching section title failed}\@ehc
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\fi
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% \end{macrocode}
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%
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% Similarly, to make the |\MakeLowercase| and |\MakeUppercase| macros work in
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% the frame title we have to patch |\beamer@@frametitle|.
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%
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% \begin{macrocode}
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\patchcmd{\beamer@@frametitle}
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{{%
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\gdef\insertframetitle{{#2\ifnum\beamer@autobreakcount>0\relax{}\space%
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\usebeamertemplate*{frametitle continuation}\fi}}%
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\gdef\beamer@frametitle{#2}%
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\gdef\beamer@shortframetitle{#1}%
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}}
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{{%
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\gdef\insertframetitle{{\metropolis@frametitleformat{#2}\ifnum%
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\beamer@autobreakcount>0\relax{}\space%
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\usebeamertemplate*{frametitle continuation}\fi}}%
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\gdef\beamer@frametitle{#2}%
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\gdef\beamer@shortframetitle{#1}%
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}}
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{}
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{\PackageError{beamerfontthememetropolis}{Patching frame title failed}\@ehc}
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% \end{macrocode}
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%
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%
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%
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% \subsubsection{Process package options}
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%
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% \begin{macrocode}
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\metropolis@font@setdefaults
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\ProcessPgfPackageOptions{/metropolis/font}
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% \end{macrocode}
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% \iffalse
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%</package>
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% \fi
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% \Finale
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\endinput
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