Update.

diff --cc emacs.el
index 131e1bf,96874b0..b22d494
--- 1/emacs.el
--- 2/emacs.el
+++ b/emacs.el
@@@ -1543,18 -1616,10 +1543,15 @@@ universal argument starts xfig even if 
  \\usepackage{amsmath,amssymb,dsfont}
  \\usepackage[pdftex]{graphicx}
  \\usepackage[colorlinks=true,linkcolor=blue,urlcolor=blue,citecolor=blue]{hyperref}
 -\\usepackage{tikz}
  \\usepackage[round]{natbib}
- %\\usepackage{cmbright}
 -\\usepackage{cmbright}
--%\\usepackage{showframe}
- 
 +\\usepackage{tikz}
 +\\usetikzlibrary{arrows,arrows.meta,calc}
 +\\usetikzlibrary{patterns,backgrounds}
 +\\usetikzlibrary{positioning,fit}
 +\\usetikzlibrary{shapes.geometric,shapes.multipart}
 +\\usetikzlibrary{patterns.meta,decorations.pathreplacing,calligraphy}
 +\\usetikzlibrary{tikzmark}
 +\\usetikzlibrary{decorations.pathmorphing}
  
  \\setlength{\\parindent}{0cm}
  \\setlength{\\parskip}{12pt}