From b4491ecbac3c8c182842d058598350ec5082d4db Mon Sep 17 00:00:00 2001
From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Fri, 10 Jan 2020 21:23:49 -0700
Subject: [PATCH] Introduce \jump and \average commands to be used in the
 documentation.

---
 doc/doxygen/extra.sty                | 2 ++
 doc/doxygen/scripts/mod_header.pl.in | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/doc/doxygen/extra.sty b/doc/doxygen/extra.sty
index 043ebd4034..36801f6325 100644
--- a/doc/doxygen/extra.sty
+++ b/doc/doxygen/extra.sty
@@ -20,3 +20,5 @@
 % ./doc/doxygen/scripts/mod_header.pl.in
 \newcommand{\vcentcolon}{\mathrel{\mathop{:}}}
 \newcommand{\dealcoloneq}{\vcentcolon\mathrel{\mkern-1.2mu}=}
+\newcommand{\jump}[1]{\left[\!\left[ #1 \right]\!\right]}
+\newcommand{\average}[1]{\left\{\!\left\{ #1 \right\}\!\right\}}
diff --git a/doc/doxygen/scripts/mod_header.pl.in b/doc/doxygen/scripts/mod_header.pl.in
index e05628590e..ab680e0942 100644
--- a/doc/doxygen/scripts/mod_header.pl.in
+++ b/doc/doxygen/scripts/mod_header.pl.in
@@ -45,5 +45,7 @@ if (eof)
     print '<div style="display:none">', "\n";
     print '\(\newcommand{\vcentcolon}{\mathrel{\mathop{:}}}\)', "\n";
     print '\(\newcommand{\dealcoloneq}{\vcentcolon\mathrel{\mkern-1.2mu}=}\)', "\n";
+    print '\(\newcommand{\jump}[1]{\left[\!\left[ #1 \right]\!\right]}\)', "\n";
+    print '\(\newcommand{\average}[1]{\left\{\!\left\{ #1 \right\}\!\right\}}\)', "\n";
     print '</div>', "\n";
 }
-- 
2.39.5