From c61cf667bdf846a2ad5079a8eae7fc863389f71b Mon Sep 17 00:00:00 2001
From: Gerd Neugebauer <gene@gerd-neugebauer.de>
Date: Mon, 13 Apr 2020 19:14:02 +0200
Subject: [PATCH] old font commands added

---
 doc/c_lib.tex | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/doc/c_lib.tex b/doc/c_lib.tex
index 6f3a673..8187373 100644
--- a/doc/c_lib.tex
+++ b/doc/c_lib.tex
@@ -17,6 +17,9 @@
 \NeedsTeXFormat{LaTeX2e}
 \documentclass[11pt,a4paper]{scrbook}
 
+\DeclareOldFontCommand{\tt}{\normalfont\ttfamily}{\mathtt}
+\DeclareOldFontCommand{\sf}{\normalfont\sffamily}{\mathsf}
+
 \usepackage{array,shortvrb,makeidx}
 \usepackage[colorlinks=true,
             linkcolor=blue,