diff --git a/ChangeLog b/ChangeLog
index b400959..2467c92 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2024-02-01  Richard Stallman  <rms@gnu.org>
+
+	* c.texi: Specify @codequoteundirected on and @codequotebacktick on.
+
 2024-01-30  Richard Stallman  <rms@gnu.org>
 
 	* c.texi (Lvalues): Dereferencing fn ptr is not an lvalue.
diff --git a/c.texi b/c.texi
index 46de6ed..f47b642 100644
--- a/c.texi
+++ b/c.texi
@@ -15,6 +15,8 @@
 
 @c Merge variable index into the function index.
 @synindex vr fn
+@codequoteundirected on
+@codequotebacktick on
 
 @copying
 This is Edition @value{VERSION}.