From ee44d44f20d2a06648efe72a6836c24a179c8146 Mon Sep 17 00:00:00 2001
From: Yihui Xie <xie@yihui.name>
Date: Thu, 5 Dec 2019 12:22:31 -0600
Subject: [PATCH] Keep the \author{} command even if author is not specified
 (#5961)

Otherwise there will be a LaTeX warning "No \author given" when the .tex file is compiled.
This does not affect spacing in the title block.
---
 data/templates/default.latex    | 2 --
 test/lhs-test.latex             | 1 +
 test/lhs-test.latex+lhs         | 1 +
 test/writers-lang-and-dir.latex | 1 +
 4 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/data/templates/default.latex b/data/templates/default.latex
index 20d5493f4..ed4b8ea33 100644
--- a/data/templates/default.latex
+++ b/data/templates/default.latex
@@ -383,9 +383,7 @@ $else$
 $endif$
 \subtitle{$subtitle$}
 $endif$
-$if(author)$
 \author{$for(author)$$author$$sep$ \and $endfor$}
-$endif$
 \date{$date$}
 $if(beamer)$
 $if(institute)$
diff --git a/test/lhs-test.latex b/test/lhs-test.latex
index a456995a3..706aaf490 100644
--- a/test/lhs-test.latex
+++ b/test/lhs-test.latex
@@ -82,6 +82,7 @@
   \setlength{\itemsep}{0pt}\setlength{\parskip}{0pt}}
 \setcounter{secnumdepth}{-\maxdimen} % remove section numbering
 
+\author{}
 \date{}
 
 \begin{document}
diff --git a/test/lhs-test.latex+lhs b/test/lhs-test.latex+lhs
index e2860024d..806cf598d 100644
--- a/test/lhs-test.latex+lhs
+++ b/test/lhs-test.latex+lhs
@@ -49,6 +49,7 @@
   \setlength{\itemsep}{0pt}\setlength{\parskip}{0pt}}
 \setcounter{secnumdepth}{-\maxdimen} % remove section numbering
 
+\author{}
 \date{}
 
 \begin{document}
diff --git a/test/writers-lang-and-dir.latex b/test/writers-lang-and-dir.latex
index 02ff8b451..a9eefb32f 100644
--- a/test/writers-lang-and-dir.latex
+++ b/test/writers-lang-and-dir.latex
@@ -78,6 +78,7 @@
   \newenvironment{LTR}{\beginL}{\endL}
 \fi
 
+\author{}
 \date{}
 
 \begin{document}