From 46b05a0832adca10a2afe5474642ad38521cf0d5 Mon Sep 17 00:00:00 2001
From: Xi Ruoyao <xry111@xry111.site>
Date: Thu, 15 Sep 2022 18:22:44 +0800
Subject: [PATCH] gawk: remove duplicated "-i" in a sed command

---
 chapter08/gawk.xml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/chapter08/gawk.xml b/chapter08/gawk.xml
index 244d7004f..9979e32de 100644
--- a/chapter08/gawk.xml
+++ b/chapter08/gawk.xml
@@ -46,7 +46,7 @@
 
     <para>Now fix a programming error identified upstream:</para>
 
-<screen><userinput remap="pre">sed -i -i '241i UPREF(m);' interpret.h</userinput></screen>
+<screen><userinput remap="pre">sed -i '241i UPREF(m);' interpret.h</userinput></screen>
 
     <para>Prepare Gawk for compilation:</para>