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@@ -161,6 +161,7 @@ the previous versions of s6-frontend and the current one. </li>
<ul>
<li> <a href="s6-frontend.html">The <tt>s6-frontend</tt> program</a> </li>
<li> <a href="s6-frontend-helper-kill.html">The <tt>s6-frontend-helper-kill</tt> program</a> </li>
+<li> <a href="s6-frontend-helper-echo.html">The <tt>s6-frontend-helper-echo</tt> program</a> </li>
</ul>
<h3> Configuration </h3>
diff --git a/doc/s6-frontend-helper-echo.html b/doc/s6-frontend-helper-echo.html
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+<html>
+ <head>
+ <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+ <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+ <meta http-equiv="Content-Language" content="en" />
+ <title>s6-frontend: the s6-frontend-helper-echo program</title>
+ <meta name="Description" content="s6-frontend: the s6-frontend-helper-echo program" />
+ <meta name="Keywords" content="s6 s6-frontend helper echo" />
+ <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
+ </head>
+<body>
+
+<p>
+<a href="index.html">s6-frontend</a><br />
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
+</p>
+
+<h1> The <tt>s6-frontend-helper-echo</tt> internal program </h1>
+
+<p>
+ <tt>s6-frontend-helper-echo</tt> is a small utility to echo arguments to stdout.
+It is not meant to be called directly,
+although nothing bad will happen if you do. It is used in command lines crafted by
+<a href="s6_live.html#status">s6 live status</a> instead of the POSIX
+<a href="https://pubs.opengroup.org/onlinepubs/9799919799/utilities/echo.html">echo</a>
+program, because implementations of <tt>echo</tt> are infamously inconsistent with
+regards to options and arguments starting with a dash, so it's better not to rely on
+them at all.
+</p>
+
+<p>
+ <tt>s6-frontend-helper-echo</tt> is basically a copy of
+<a href="//skarnet.org/software/s6-portable-utils/s6-echo.html">s6-echo</a> and
+behaves exactly the same. The program has been included in s6-frontend in order to avoid
+a dependency to <a href="//skarnet.org/software/s6-portable-utils/">s6-portable-utils</a>.
+</p>
+
+</body>
+</html>