diff --git a/src/document-templates/root-eptcs-UNSUPPORTED.tex b/src/document-templates/root-eptcs-UNSUPPORTED.tex
index 8617290..eb060fc 100644
--- a/src/document-templates/root-eptcs-UNSUPPORTED.tex
+++ b/src/document-templates/root-eptcs-UNSUPPORTED.tex
@@ -1,5 +1,5 @@
-%% Copyright (c) 2019 University of Exeter
-%%               2018-2019 University of Paris-Saclay
+%% Copyright (c) 2019-2022 University of Exeter
+%%               2018-2022 University of Paris-Saclay
 %%               2018-2019 The University of Sheffield
 %%
 %% License:
diff --git a/src/document-templates/root-lipics-v2021.tex b/src/document-templates/root-lipics-v2021.tex
index 4d4cb53..e6d0767 100644
--- a/src/document-templates/root-lipics-v2021.tex
+++ b/src/document-templates/root-lipics-v2021.tex
@@ -10,8 +10,9 @@
 %%   OR
 %%   The 2-clause BSD-style license.
 %%
+%%   SPDX-License-Identifier: LPPL-1.3c+ OR BSD-2-Clause
 
-%%   2022/01/25 Unreleased/Isabelle2021
+%%   <isadofltxversion>
 
 %% Warning: Do Not Edit!
 %% =====================
@@ -81,10 +82,7 @@
 \maketitle
 \input{session}
 % optional bibliography
-\IfFileExists{root.bib}{%
-{\small  
-  \bibliography{root}
-}}{}
+\IfFileExists{root.bib}{{\small\bibliography{root}}}{}
 \end{document}
 
 %%% Local Variables:
diff --git a/src/document-templates/root-lncs.tex b/src/document-templates/root-lncs.tex
index 9167d5c..30b984c 100644
--- a/src/document-templates/root-lncs.tex
+++ b/src/document-templates/root-lncs.tex
@@ -1,5 +1,5 @@
-%% Copyright (c) 2019 University of Exeter
-%%               2018-2019 University of Paris-Saclay
+%% Copyright (c) 2019-2022 University of Exeter
+%%               2018-2022 University of Paris-Saclay
 %%               2018-2019 The University of Sheffield
 %%
 %% License:
@@ -26,6 +26,7 @@
 \usepackage[T1]{fontenc}
 \usepackage[utf8]{inputenc}
 \usepackage[USenglish]{babel}
+\bibliographystyle{splncs04}
 \usepackage{isabelle}
 \usepackage{xcolor}
 \usepackage{isabellesym}
@@ -86,14 +87,7 @@
 \maketitle
 \input{session}
 % optional bibliography
-\IfFileExists{root.bib}{%
-{\small   \renewcommand{\doi}[1]{}
-  \newcommand{\urlprefix}{}
-
-  \bibliographystyle{splncs04}
-  
-  \bibliography{root}
-}}{}
+\IfFileExists{root.bib}{{\small\bibliography{root}}}{}
 \end{document}
 
 %%% Local Variables:
diff --git a/src/document-templates/root-scrartcl.tex b/src/document-templates/root-scrartcl.tex
index dc8e766..2d8bcd8 100644
--- a/src/document-templates/root-scrartcl.tex
+++ b/src/document-templates/root-scrartcl.tex
@@ -1,5 +1,5 @@
-%% Copyright (c) 2019 University of Exeter
-%%               2018-2019 University of Paris-Saclay
+%% Copyright (c) 2019-2022 University of Exeter
+%%               2018-2022 University of Paris-Saclay
 %%               2018-2019 The University of Sheffield
 %%
 %% License:
@@ -67,9 +67,7 @@
 \end{frontmatter}
 \input{session}
 % optional bibliography
-\IfFileExists{root.bib}{%
-    \bibliography{root}
-}{}
+\IfFileExists{root.bib}{{\bibliography{root}}}{}
 \end{document}
 
 %%% Local Variables:
diff --git a/src/document-templates/root-scrreprt-modern.tex b/src/document-templates/root-scrreprt-modern.tex
index c02d5f7..f807869 100644
--- a/src/document-templates/root-scrreprt-modern.tex
+++ b/src/document-templates/root-scrreprt-modern.tex
@@ -1,5 +1,5 @@
-%% Copyright (c) 2019 University of Exeter
-%%               2018-2019 University of Paris-Saclay
+%% Copyright (c) 2019-2022 University of Exeter
+%%               2018-2022 University of Paris-Saclay
 %%               2018-2019 The University of Sheffield
 %%
 %% License:
@@ -94,9 +94,7 @@
 \end{frontmatter}
 \input{session}
 % optional bibliography
-\IfFileExists{root.bib}{%
-    \bibliography{root}
-}{}
+\IfFileExists{root.bib}{{\bibliography{root}}}{}
 \end{document}
 
 %%% Local Variables:
diff --git a/src/document-templates/root-scrreprt.tex b/src/document-templates/root-scrreprt.tex
index 822d5d2..1436bb3 100644
--- a/src/document-templates/root-scrreprt.tex
+++ b/src/document-templates/root-scrreprt.tex
@@ -1,5 +1,5 @@
-%% Copyright (c) 2019 University of Exeter
-%%               2018-2019 University of Paris-Saclay
+%% Copyright (c) 2019-2022 University of Exeter
+%%               2018-2022 University of Paris-Saclay
 %%               2018-2019 The University of Sheffield
 %%
 %% License:
@@ -73,9 +73,7 @@
 \end{frontmatter}
 \input{session}
 % optional bibliography
-\IfFileExists{root.bib}{%
-    \bibliography{root}
-}{}
+\IfFileExists{root.bib}{{\bibliography{root}}}{}
 \end{document}
 
 %%% Local Variables:
diff --git a/src/document-templates/root-svjour3-UNSUPPORTED.tex b/src/document-templates/root-svjour3-UNSUPPORTED.tex
index 238703a..c81d32c 100644
--- a/src/document-templates/root-svjour3-UNSUPPORTED.tex
+++ b/src/document-templates/root-svjour3-UNSUPPORTED.tex
@@ -1,5 +1,5 @@
-%% Copyright (c) 2019-2021 University of Exeter
-%%               2018-2021 University of Paris-Saclay
+%% Copyright (c) 2019-2022 University of Exeter
+%%               2018-2022 University of Paris-Saclay
 %%               2018-2019 The University of Sheffield
 %%
 %% License:
@@ -12,7 +12,7 @@
 %%
 %%   SPDX-License-Identifier: LPPL-1.3c+ OR BSD-2-Clause
 
-%%   2021/03/22 Unreleased/Isabelle2021
+%%   <isadofltxversion>
 
 %% Warning: Do Not Edit!
 %% =====================
@@ -74,16 +74,10 @@
 \newcommand{\subfigureautorefname}{\figureautorefname}
 \newcommand{\lstnumberautorefname}{Line}
 
-
-
 \maketitle
 \input{session}
 % optional bibliography
-\IfFileExists{root.bib}{%
-{\small  
-  \newcommand{\urlprefix}{}
-  \bibliography{root}
-}}{}
+\IfFileExists{root.bib}{{\bibliography{root}}}{}
 \end{document}
 
 %%% Local Variables: