use lualatex, use arial

Dockerfile

@@ -35,7 +35,11 @@ RUN tlmgr update --self && \
     catchfile \
     ragged2e \
     enumitem \
-    mathtools
+    mathtools \
+    fontspec \
+    unicode-math \
+    titlesec \
+    newunicodechar
 
 RUN apk upgrade && apk add --no-cache \
     bash \
@@ -49,6 +53,15 @@ RUN apk upgrade && apk add --no-cache \
     py3-pip \
     yarn
 
+# Install MS core fonts, including Arial
+RUN apk --no-cache add msttcorefonts-installer fontconfig && \
+    update-ms-fonts && \
+    fc-cache -f
+
+# Install the Arial Unicode MS font as well
+RUN wget https://github.com/kaienfr/Font/raw/master/font/ARIALUNI.TTF -P /usr/share/fonts/TTF/ && \
+    fc-cache -f
+
 RUN pip install pandocfilters
 
 ENV PUPPETEER_SKIP_CHROMIUM_DOWNLOAD=true \

build.sh

@@ -259,7 +259,7 @@ export MERMAID_FILTER_FORMAT="pdf"
 if [ -n "${pdf_output}" ]; then
 	echo "Generating PDF Output"
 	pandoc \
-	    --trace \
+	    --pdf-engine=lualatex \
 		--embed-resources \
 		--standalone \
 		--template=eisvogel.latex \
@@ -292,6 +292,7 @@ fi
 if [ -n "${latex_output}" ]; then
 	echo "Generating LaTeX Output"
 	pandoc \
+	    --pdf-engine=lualatex \
 		--embed-resources \
 		--standalone \
 		--template=eisvogel.latex \
@@ -324,6 +325,7 @@ fi
 if [ -n "${docx_output}" ]; then
 	echo "Generating DOCX Output"
 	pandoc \
+	    --pdf-engine=lualatex \
 		--embed-resources \
 		--standalone \
 		--filter=/resources/filters/info.py \

sample3.md

@@ -165,15 +165,15 @@ This section contains an HTML Table.
 </thead>
 <tbody>
 <tr>
-<td>CEIL(x)</td>
+<td>⌈x⌉</td>
 <td>the smallest integer not less than x</td>
 </tr>
 <tr>
-<td><strong>FLOOR(</strong>x<strong>)</strong></td>
+<td>⌊x⌋</td>
 <td>the largest integer not greater than x</td>
 </tr>
 <tr>
-<td>A  $\coloneqq$  B</td>
+<td>A ≔ B</td>
 <td>assignment of the results of the expression on the right (B) to the
 parameter on the left</td>
 </tr>

template/eisvogel.latex

@@ -135,11 +135,6 @@ $if(beamerarticle)$
 $endif$
 \usepackage{amsmath,amssymb}
 \usepackage{mathtools}
-$if(fontfamily)$
-\usepackage[$for(fontfamilyoptions)$$fontfamilyoptions$$sep$,$endfor$]{$fontfamily$}
-$else$
-\usepackage{lmodern}
-$endif$
 $if(linestretch)$
 \usepackage{setspace}
 $else$
@@ -162,69 +157,17 @@ $if(mathspec)$
 $else$
   \usepackage{unicode-math}
 $endif$
-  \defaultfontfeatures{Scale=MatchLowercase}
-  \defaultfontfeatures[\rmfamily]{Ligatures=TeX,Scale=1}
-$if(mainfont)$
-  \setmainfont[$for(mainfontoptions)$$mainfontoptions$$sep$,$endfor$]{$mainfont$}
-$endif$
-$if(sansfont)$
-  \setsansfont[$for(sansfontoptions)$$sansfontoptions$$sep$,$endfor$]{$sansfont$}
-$endif$
-$if(monofont)$
-  \setmonofont[$for(monofontoptions)$$monofontoptions$$sep$,$endfor$]{$monofont$}
-$endif$
-$for(fontfamilies)$
-  \newfontfamily{$fontfamilies.name$}[$for(fontfamilies.options)$$fontfamilies.options$$sep$,$endfor$]{$fontfamilies.font$}
-$endfor$
-$if(mathfont)$
-$if(mathspec)$
-  \ifxetex
-    \setmathfont(Digits,Latin,Greek)[$for(mathfontoptions)$$mathfontoptions$$sep$,$endfor$]{$mathfont$}
-  \else
-    \setmathfont[$for(mathfontoptions)$$mathfontoptions$$sep$,$endfor$]{$mathfont$}
-  \fi
-$else$
-  \setmathfont[$for(mathfontoptions)$$mathfontoptions$$sep$,$endfor$]{$mathfont$}
-$endif$
-$endif$
-$if(CJKmainfont)$
-  \ifxetex
-    \usepackage{xeCJK}
-    \setCJKmainfont[$for(CJKoptions)$$CJKoptions$$sep$,$endfor$]{$CJKmainfont$}
-  \fi
-$endif$
+
+\defaultfontfeatures{Scale=MatchLowercase}
+\defaultfontfeatures[\rmfamily]{Ligatures=TeX,Scale=1}
+
 $if(luatexjapresetoptions)$
   \ifluatex
     \usepackage[$for(luatexjapresetoptions)$$luatexjapresetoptions$$sep$,$endfor$]{luatexja-preset}
   \fi
 $endif$
-$if(CJKmainfont)$
-  \ifluatex
-    \usepackage[$for(luatexjafontspecoptions)$$luatexjafontspecoptions$$sep$,$endfor$]{luatexja-fontspec}
-    \setmainjfont[$for(CJKoptions)$$CJKoptions$$sep$,$endfor$]{$CJKmainfont$}
-  \fi
-$endif$
 \fi
-$if(beamer)$
-$if(theme)$
-\usetheme[$for(themeoptions)$$themeoptions$$sep$,$endfor$]{$theme$}
-$endif$
-$if(colortheme)$
-\usecolortheme{$colortheme$}
-$endif$
-$if(fonttheme)$
-\usefonttheme{$fonttheme$}
-$endif$
-$if(mainfont)$
-\usefonttheme{serif} % use mainfont rather than sansfont for slide text
-$endif$
-$if(innertheme)$
-\useinnertheme{$innertheme$}
-$endif$
-$if(outertheme)$
-\useoutertheme{$outertheme$}
-$endif$
-$endif$
+
 % Use upquote if available, for straight quotes in verbatim environments
 \IfFileExists{upquote.sty}{\usepackage{upquote}}{}
 \IfFileExists{microtype.sty}{% use microtype if available
@@ -639,45 +582,29 @@ $endif$
   \unskip\unskip\endlist\end{customblockquote}
 }
 
-%
-% Source Sans Pro as the de­fault font fam­ily
-% Source Code Pro for monospace text
-%
-% 'default' option sets the default
-% font family to Source Sans Pro, not \sfdefault.
-%
-\ifnum 0\ifxetex 1\fi\ifluatex 1\fi=0 % if pdftex
-  $if(fontfamily)$
-  $else$
-  \usepackage[default]{sourcesanspro}
-  \usepackage{sourcecodepro}
-  $endif$
-\else % if not pdftex
-  $if(mainfont)$
-  $else$
-  \usepackage[default]{sourcesanspro}
-  \usepackage{sourcecodepro}
+\usepackage{fontspec}
+\setmainfont{Arial}
+\setsansfont{Arial}
+\setmonofont{Source Code Pro}
 
-  % XeLaTeX specific adjustments for straight quotes: https://tex.stackexchange.com/a/354887
-  % This issue is already fixed (see https://github.com/silkeh/latex-sourcecodepro/pull/5) but the
-  % fix is still unreleased.
-  % TODO: Remove this workaround when the new version of sourcecodepro is released on CTAN.
-  \ifxetex
-    \makeatletter
-    \defaultfontfeatures[\ttfamily]
-      { Numbers   = \sourcecodepro@figurestyle,
-        Scale     = \SourceCodePro@scale,
-        Extension = .otf }
-    \setmonofont
-      [ UprightFont    = *-\sourcecodepro@regstyle,
-        ItalicFont     = *-\sourcecodepro@regstyle It,
-        BoldFont       = *-\sourcecodepro@boldstyle,
-        BoldItalicFont = *-\sourcecodepro@boldstyle It ]
-      {SourceCodePro}
-    \makeatother
-  \fi
-  $endif$
-\fi
+\usepackage{newunicodechar}
+% Use Arial Unicode to display various unicode symbols that might be present
+\newfontfamily{\fallbackfont}{Arial Unicode MS}[Scale=MatchLowercase]
+\DeclareTextFontCommand{\textfallback}{\fallbackfont}
+% TODO: Cover more characters with a nice loop or macro.
+\newunicodechar{≔}{\textfallback{≔}}
+\newunicodechar{⌊}{\textfallback{⌊}}
+\newunicodechar{⌋}{\textfallback{⌋}}
+\newunicodechar{⌈}{\textfallback{⌈}}
+\newunicodechar{⌉}{\textfallback{⌉}}
+\newunicodechar{⊕}{\textfallback{⊕}}
+\newunicodechar{·}{\textfallback{·}}
+\newunicodechar{≥}{\textfallback{≥}}
+\newunicodechar{≤}{\textfallback{≤}}
+\newunicodechar{≠}{\textfallback{≠}}
+\newunicodechar{©}{\textfallback{©}}
+\newunicodechar{™}{\textfallback{™}}
+\newunicodechar{→}{\textfallback{→}}
 
 %
 % heading color