From 2f499e46a71965be4d889433e4aae257e9c7cb92 Mon Sep 17 00:00:00 2001
From: Steven Tsao <steventsao713@gmail.com>
Date: Mon, 24 Dec 2018 13:19:43 -0800
Subject: [PATCH] Add comment to exclude history.h

##Error##
`REPL.c:4:10: fatal error: 'editline/readline.h' file not found`

##Solution##
There is a common error on including `<editline/history.h>`. The solution is to remove it given many users on MacOS X that doesn't have the lib.

##Reference##
https://stackoverflow.com/questions/22886475/editline-history-h-and-editline-readline-h-not-found-working-on-osx-when-trying
---
 chapter4_interactive_prompt.html | 1 +
 1 file changed, 1 insertion(+)

diff --git a/chapter4_interactive_prompt.html b/chapter4_interactive_prompt.html
index eb550c7..f858a4a 100644
--- a/chapter4_interactive_prompt.html
+++ b/chapter4_interactive_prompt.html
@@ -121,6 +121,7 @@ <h3>Using Editline</h3>
 #include &lt;stdlib.h&gt;
 
 #include &lt;editline/readline.h&gt;
+// Do not include history.h for MacOS X or later
 #include &lt;editline/history.h&gt;
 
 int main(int argc, char** argv) {