From 68771c00530622b5bc52438ae8010c7a6f429791 Mon Sep 17 00:00:00 2001
From: Rob Landley <rob@landley.net>
Date: Fri, 10 Jul 2015 14:23:00 -0500
Subject: More explanation of TOYBOX_DEBUG for option string checking.

---
 www/code.html | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/www/code.html b/www/code.html
index a458b52c..a1c08efe 100644
--- a/www/code.html
+++ b/www/code.html
@@ -233,6 +233,18 @@ where execution of your command starts. Your command line options are
 already sorted into this.optflags, this.optargs, this.optc, and the GLOBALS()
 as appropriate by the time this function is called. (See
 <a href="#lib_args">get_optflags()</a> for details.)</p></li>
+
+<li><p>Switch on TOYBOX_DEBUG in menuconfig (toybox global settings menu)
+the first time you build and run your new command. If anything is wrong
+with your option string, that will give you error messages.</p>
+
+<p>Otherwise it'll just segfault without
+explanation when it falls off the end because it didn't find a matching
+end parantheses for a longopt, or you put a nonexistent option in a square
+bracket grouping... Since these kind of errors can only be caused by a
+developer, not by end users, we don't normally want runtime checks for
+them. Once you're happy with your option string, you can switch TOYBOX_DEBUG
+back off.</p></li>
 </ul>
 
 <a name="headers" /><h2><a href="#headers">Headers.</a></h2>
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