From 403c8688c934eb7bcded9286c97985b72ecc0d0a Mon Sep 17 00:00:00 2001
From: Leon Reteig <leonreteig@gmail.com>
Date: Sat, 12 Dec 2020 19:33:38 +0100
Subject: [PATCH] Make compatible with pandoc 2.8

From rstudio/rticles#355
---
 .../templates/thesis/skeleton/template.tex    | 30 +++++++++++--------
 1 file changed, 18 insertions(+), 12 deletions(-)

diff --git a/inst/rmarkdown/templates/thesis/skeleton/template.tex b/inst/rmarkdown/templates/thesis/skeleton/template.tex
index 607295f..3c0ae2a 100644
--- a/inst/rmarkdown/templates/thesis/skeleton/template.tex
+++ b/inst/rmarkdown/templates/thesis/skeleton/template.tex
@@ -204,33 +204,39 @@
 \fi
 $endif$
 
-% LS 25-11-2020 add new statement similar to thesisdown bugfix:
-% https://github.com/ismayc/thesisdown/pull/79#issue-384204665
-% LS 25-11-2020 note: fix didn't work: I went to the raw pandoc version and copied and pasted the following lines.
-% copied from https://github.com/jgm/pandoc/blob/master/data/templates/default.latex
+% LCR fix for new required cslreferences environment in pandoc
+% from https://github.com/rstudio/rticles/pull/335/commits/a9937b6
+% originally proposed by LS: https://github.com/LDSamson/amsterdown/commit/4d9841e
+% Pandoc citation processing
 $if(csl-refs)$
-\newlength{\cslhangindent}
-\setlength{\cslhangindent}{1.5em}
 \newlength{\csllabelwidth}
 \setlength{\csllabelwidth}{3em}
-\newenvironment{CSLReferences}[2] % #1 hanging-ident, #2 entry spacing
+\newlength{\cslhangindent}
+\setlength{\cslhangindent}{1.5em}
+% for Pandoc 2.8 to 2.10.1
+\newenvironment{cslreferences}%
+  {$if(csl-hanging-indent)$\setlength{\parindent}{0pt}%
+  \everypar{\setlength{\hangindent}{\cslhangindent}}\ignorespaces$endif$}%
+  {\par}
+% For Pandoc 2.11+
+\newenvironment{CSLReferences}[3] % #1 hanging-ident, #2 entry sp
  {% don't indent paragraphs
   \setlength{\parindent}{0pt}
   % turn on hanging indent if param 1 is 1
   \ifodd #1 \everypar{\setlength{\hangindent}{\cslhangindent}}\ignorespaces\fi
+  % set line spacing
   % set entry spacing
   \ifnum #2 > 0
-  \setlength{\parskip}{#2\baselineskip}
+  \setlength{\parskip}{#3\baselineskip}
   \fi
  }%
  {}
-\usepackage{calc}
+\usepackage{calc} % for \widthof, \maxof
 \newcommand{\CSLBlock}[1]{#1\hfill\break}
-\newcommand{\CSLLeftMargin}[1]{\parbox[t]{\csllabelwidth}{#1}}
-\newcommand{\CSLRightInline}[1]{\parbox[t]{\linewidth - \csllabelwidth}{#1}\break}
+\newcommand{\CSLLeftMargin}[1]{\parbox[t]{\maxof{\widthof{#1}}{\csllabelwidth}}{#1}}
+\newcommand{\CSLRightInline}[1]{\parbox[t]{\linewidth}{#1}}
 \newcommand{\CSLIndent}[1]{\hspace{\cslhangindent}#1}
 $endif$
-% LS 25-11-2020 end of addition to solve bug
 
 %%% Use protect on footnotes to avoid problems with footnotes in titles
 \let\rmarkdownfootnote\footnote%