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-rw-r--r--doc/index.html10
-rw-r--r--doc/s6-basename.html6
-rw-r--r--doc/s6-cat.html6
-rw-r--r--doc/s6-chmod.html6
-rw-r--r--doc/s6-chown.html6
-rw-r--r--doc/s6-clock.html12
-rw-r--r--doc/s6-cut.html6
-rw-r--r--doc/s6-dirname.html6
-rw-r--r--doc/s6-dumpenv.html8
-rw-r--r--doc/s6-echo.html6
-rw-r--r--doc/s6-env.html6
-rw-r--r--doc/s6-expr.html6
-rw-r--r--doc/s6-false.html6
-rw-r--r--doc/s6-format-filter.html6
-rw-r--r--doc/s6-grep.html6
-rw-r--r--doc/s6-head.html6
-rw-r--r--doc/s6-hiercopy.html8
-rw-r--r--doc/s6-linkname.html6
-rw-r--r--doc/s6-ln.html6
-rw-r--r--doc/s6-ls.html6
-rw-r--r--doc/s6-maximumtime.html6
-rw-r--r--doc/s6-mkdir.html6
-rw-r--r--doc/s6-mkfifo.html6
-rw-r--r--doc/s6-nice.html6
-rw-r--r--doc/s6-nuke.html8
-rw-r--r--doc/s6-pause.html6
-rw-r--r--doc/s6-printenv.html6
-rw-r--r--doc/s6-quote-filter.html6
-rw-r--r--doc/s6-quote.html8
-rw-r--r--doc/s6-rename.html6
-rw-r--r--doc/s6-rmrf.html6
-rw-r--r--doc/s6-seq.html6
-rw-r--r--doc/s6-sleep.html6
-rw-r--r--doc/s6-sort.html6
-rw-r--r--doc/s6-sync.html6
-rw-r--r--doc/s6-tail.html6
-rw-r--r--doc/s6-test.html6
-rw-r--r--doc/s6-touch.html6
-rw-r--r--doc/s6-true.html6
-rw-r--r--doc/s6-uniquename.html6
-rw-r--r--doc/s6-unquote-filter.html6
-rw-r--r--doc/s6-unquote.html6
-rw-r--r--doc/s6-update-symlinks.html6
-rw-r--r--doc/seekablepipe.html6
-rw-r--r--doc/upgrade.html8
45 files changed, 145 insertions, 145 deletions
diff --git a/doc/index.html b/doc/index.html
index 54a1acd..32c9cc2 100644
--- a/doc/index.html
+++ b/doc/index.html
@@ -6,13 +6,13 @@
     <title>s6-portable-utils - skarnet.org's tiny general Unix utilities</title>
     <meta name="Description" content="s6-portable-utils - skarnet.org's tiny general Unix utilities" />
     <meta name="Keywords" content="s6 unix administration root skarnet portable utilities tiny coreutils" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> s6-portable-utils </h1>
@@ -60,7 +60,7 @@ the package is now used to host specific utilities such as
 <ul>
  <li> A POSIX-compliant system with a standard C development environment </li>
  <li> GNU make, version 3.81 or later </li>
- <li> <a href="http://skarnet.org/software/skalibs/">skalibs</a> version
+ <li> <a href="//skarnet.org/software/skalibs/">skalibs</a> version
 2.5.1.0 or later. It's a build-time requirement. It's also a run-time
 requirement if you link against the shared version of the skalibs
 library. </li>
@@ -161,7 +161,7 @@ the previous versions of s6-portable-utils and the current one. </li>
 
 <ul>
  <li> <tt>s6-portable-utils</tt> is discussed on the
-<a href="http://skarnet.org/lists.html#skaware">skaware</a> mailing-list. </li>
+<a href="//skarnet.org/lists.html#skaware">skaware</a> mailing-list. </li>
  </li>
 </ul>
 
diff --git a/doc/s6-basename.html b/doc/s6-basename.html
index 705fba8..e67f3da 100644
--- a/doc/s6-basename.html
+++ b/doc/s6-basename.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-basename program</title>
     <meta name="Description" content="s6-portable-utils: the s6-basename program" />
     <meta name="Keywords" content="s6-portable-utils command s6-basename basename" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-basename</tt> program </h1>
diff --git a/doc/s6-cat.html b/doc/s6-cat.html
index 8e0a173..d4a7550 100644
--- a/doc/s6-cat.html
+++ b/doc/s6-cat.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-cat program</title>
     <meta name="Description" content="s6-portable-utils: the s6-cat program" />
     <meta name="Keywords" content="s6-portable-utils command s6-cat cat" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-cat</tt> program </h1>
diff --git a/doc/s6-chmod.html b/doc/s6-chmod.html
index 7f8e70e..78788da 100644
--- a/doc/s6-chmod.html
+++ b/doc/s6-chmod.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-chmod program</title>
     <meta name="Description" content="s6-portable-utils: the s6-chmod program" />
     <meta name="Keywords" content="s6-portable-utils command s6-chmod chmod" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-chmod</tt> program </h1>
diff --git a/doc/s6-chown.html b/doc/s6-chown.html
index a9693f2..1d2931e 100644
--- a/doc/s6-chown.html
+++ b/doc/s6-chown.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-chown program</title>
     <meta name="Description" content="s6-portable-utils: the s6-chown program" />
     <meta name="Keywords" content="s6-portable-utils command s6-chown chown" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-chown</tt> program </h1>
diff --git a/doc/s6-clock.html b/doc/s6-clock.html
index 7621793..e8e9b43 100644
--- a/doc/s6-clock.html
+++ b/doc/s6-clock.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-clock program</title>
     <meta name="Description" content="s6-portable-utils: the s6-clock program" />
     <meta name="Keywords" content="s6-portable-utils command s6-clock clock" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-clock</tt> program </h1>
@@ -31,13 +31,13 @@
 <p>
  When called without an argument, s6-clock writes the current system
 time, as a
-<a href="http://skarnet.org/software/skalibs/libstddjb/tai.html#timestamp">TAI64N
+<a href="//skarnet.org/software/skalibs/libstddjb/tai.html#timestamp">TAI64N
 timestamp</a>, to stdout.
 </p>
 
 <p>
  When given an argument <em>label</em>, which must be a
-<a href="http://skarnet.org/software/skalibs/libstddjb/tai.html#timestamp">TAI64N
+<a href="//skarnet.org/software/skalibs/libstddjb/tai.html#timestamp">TAI64N
 timestamp</a>, s6-clock sets the system time to this value.
 </p>
 
@@ -47,7 +47,7 @@ timestamp</a>, s6-clock sets the system time to this value.
  <li> s6-clock only prints or accepts TAI time, no matter what the system clock is set
 to (TAI-10 or UTC); it will automatically make the right conversions for your
 system clock. Make sure your
-<a href="http://skarnet.org/software/skalibs/">skalibs</a> has been built with
+<a href="//skarnet.org/software/skalibs/">skalibs</a> has been built with
 the right settings. </li>
 </ul>
 
diff --git a/doc/s6-cut.html b/doc/s6-cut.html
index 8e0af1a..c42954e 100644
--- a/doc/s6-cut.html
+++ b/doc/s6-cut.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-cut program</title>
     <meta name="Description" content="s6-portable-utils: the s6-cut program" />
     <meta name="Keywords" content="s6-portable-utils command s6-cut cut" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-cut</tt> program </h1>
diff --git a/doc/s6-dirname.html b/doc/s6-dirname.html
index aa1860a..2928ca9 100644
--- a/doc/s6-dirname.html
+++ b/doc/s6-dirname.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-dirname program</title>
     <meta name="Description" content="s6-portable-utils: the s6-dirname program" />
     <meta name="Keywords" content="s6-portable-utils command s6-dirname dirname" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-dirname</tt> program </h1>
diff --git a/doc/s6-dumpenv.html b/doc/s6-dumpenv.html
index 4a9832f..1c89ddc 100644
--- a/doc/s6-dumpenv.html
+++ b/doc/s6-dumpenv.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-dumpenv program</title>
     <meta name="Description" content="s6-portable-utils: the s6-dumpenv program" />
     <meta name="Keywords" content="s6-portable-utils command s6-dumpenv environment variables" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-dumpenv</tt> program </h1>
@@ -48,7 +48,7 @@ mode <em>mode</em> if it doesn't exist yet. Default is 0755. </li>
 
 <ul>
  <li> A program <em>prog</em> can be run with the environment in dir
-by using <tt><a href="http://skarnet.org/software/s6/s6-envdir.html">s6-envdir</a>
+by using <tt><a href="//skarnet.org/software/s6/s6-envdir.html">s6-envdir</a>
 -fn -- <em>dir</em> <em>prog</em></tt>. </li>
 </ul>
 
diff --git a/doc/s6-echo.html b/doc/s6-echo.html
index 5b47247..1e0c4e0 100644
--- a/doc/s6-echo.html
+++ b/doc/s6-echo.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-echo program</title>
     <meta name="Description" content="s6-portable-utils: the s6-echo program" />
     <meta name="Keywords" content="s6-portable-utils command s6-echo echo" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-echo</tt> program </h1>
diff --git a/doc/s6-env.html b/doc/s6-env.html
index e015dc7..1d77d8f 100644
--- a/doc/s6-env.html
+++ b/doc/s6-env.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-env program</title>
     <meta name="Description" content="s6-portable-utils: the s6-env program" />
     <meta name="Keywords" content="s6-portable-utils command s6-env env" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-env</tt> program </h1>
diff --git a/doc/s6-expr.html b/doc/s6-expr.html
index c55af4b..f0bdc7b 100644
--- a/doc/s6-expr.html
+++ b/doc/s6-expr.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-expr program</title>
     <meta name="Description" content="s6-portable-utils: the s6-expr program" />
     <meta name="Keywords" content="s6-portable-utils command s6-expr expr" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-expr</tt> program </h1>
diff --git a/doc/s6-false.html b/doc/s6-false.html
index 295ecc5..780a34a 100644
--- a/doc/s6-false.html
+++ b/doc/s6-false.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-false program</title>
     <meta name="Description" content="s6-portable-utils: the s6-false program" />
     <meta name="Keywords" content="s6-portable-utils command s6-false" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-false</tt> program </h1>
diff --git a/doc/s6-format-filter.html b/doc/s6-format-filter.html
index 45075d0..59fbd26 100644
--- a/doc/s6-format-filter.html
+++ b/doc/s6-format-filter.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-format-filter program</title>
     <meta name="Description" content="s6-portable-utils: the s6-format-filter program" />
     <meta name="Keywords" content="s6-portable-utils command s6-format filter printf format" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-format-filter</tt> program </h1>
diff --git a/doc/s6-grep.html b/doc/s6-grep.html
index 102bc6c..8600ff4 100644
--- a/doc/s6-grep.html
+++ b/doc/s6-grep.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-grep program</title>
     <meta name="Description" content="s6-portable-utils: the s6-grep program" />
     <meta name="Keywords" content="s6-portable-utils command s6-grep grep" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-grep</tt> program </h1>
diff --git a/doc/s6-head.html b/doc/s6-head.html
index 75fcdbb..80bc02b 100644
--- a/doc/s6-head.html
+++ b/doc/s6-head.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-head program</title>
     <meta name="Description" content="s6-portable-utils: the s6-head program" />
     <meta name="Keywords" content="s6-portable-utils command s6-head head" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-head</tt> program </h1>
diff --git a/doc/s6-hiercopy.html b/doc/s6-hiercopy.html
index 94bfc76..a13e0e0 100644
--- a/doc/s6-hiercopy.html
+++ b/doc/s6-hiercopy.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-hiercopy program</title>
     <meta name="Description" content="s6-portable-utils: the s6-hiercopy program" />
     <meta name="Keywords" content="s6 linux administration root utilities hiercopy cp -a" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-hiercopy</tt> program </h1>
@@ -59,7 +59,7 @@ non-portable. Fortunately, most systems still agree on the non-portable usages o
 <a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/mknod.html">mknod
 specification</a>, so things should work in practice. Consequently,
 the s6-hiercopy utility has been moved from
-<a href="http://skarnet.org/software/s6-linux-utils/">s6-linux-utils</a>
+<a href="//skarnet.org/software/s6-linux-utils/">s6-linux-utils</a>
 to s6-portable-utils. </li>
 </ul>
 
diff --git a/doc/s6-linkname.html b/doc/s6-linkname.html
index 2f28004..da8f498 100644
--- a/doc/s6-linkname.html
+++ b/doc/s6-linkname.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-linkname program</title>
     <meta name="Description" content="s6-portable-utils: the s6-linkname program" />
     <meta name="Keywords" content="s6-portable-utils command s6-linkname linkname readlink" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-linkname</tt> program </h1>
diff --git a/doc/s6-ln.html b/doc/s6-ln.html
index 1417c35..bddac32 100644
--- a/doc/s6-ln.html
+++ b/doc/s6-ln.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-ln program</title>
     <meta name="Description" content="s6-portable-utils: the s6-ln program" />
     <meta name="Keywords" content="s6-portable-utils command s6-ln ln link symbolic hard" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-ln</tt> program </h1>
diff --git a/doc/s6-ls.html b/doc/s6-ls.html
index 7fd7185..9dabaf8 100644
--- a/doc/s6-ls.html
+++ b/doc/s6-ls.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-ls program</title>
     <meta name="Description" content="s6-portable-utils: the s6-ls program" />
     <meta name="Keywords" content="s6-portable-utils command s6-ls ls directory list" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-ls</tt> program </h1>
diff --git a/doc/s6-maximumtime.html b/doc/s6-maximumtime.html
index 650309a..435498e 100644
--- a/doc/s6-maximumtime.html
+++ b/doc/s6-maximumtime.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-maximumtime program</title>
     <meta name="Description" content="s6-portable-utils: the s6-maximumtime program" />
     <meta name="Keywords" content="s6-portable-utils command s6-maximumtime maximumtime timelimit time limit" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-maximumtime</tt> program </h1>
diff --git a/doc/s6-mkdir.html b/doc/s6-mkdir.html
index e2d77e2..0b9140d 100644
--- a/doc/s6-mkdir.html
+++ b/doc/s6-mkdir.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-mkdir program</title>
     <meta name="Description" content="s6-portable-utils: the s6-mkdir program" />
     <meta name="Keywords" content="s6-portable-utils command s6-mkdir mkdir" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-mkdir</tt> program </h1>
diff --git a/doc/s6-mkfifo.html b/doc/s6-mkfifo.html
index c5d936f..69208a0 100644
--- a/doc/s6-mkfifo.html
+++ b/doc/s6-mkfifo.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-mkfifo program</title>
     <meta name="Description" content="s6-portable-utils: the s6-mkfifo program" />
     <meta name="Keywords" content="s6-portable-utils command s6-mkfifo mkfifo" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-mkfifo</tt> program </h1>
diff --git a/doc/s6-nice.html b/doc/s6-nice.html
index d3e8986..8b3e89d 100644
--- a/doc/s6-nice.html
+++ b/doc/s6-nice.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-nice program</title>
     <meta name="Description" content="s6-portable-utils: the s6-nice program" />
     <meta name="Keywords" content="s6-portable-utils command s6-nice nice" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">www.skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">www.skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-nice</tt> program </h1>
diff --git a/doc/s6-nuke.html b/doc/s6-nuke.html
index ae12fa4..1039506 100644
--- a/doc/s6-nuke.html
+++ b/doc/s6-nuke.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-nuke program</title>
     <meta name="Description" content="s6-portable-utils: the s6-nuke program" />
     <meta name="Keywords" content="s6-portable-utils command s6-nuke signal kill" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-nuke</tt> program </h1>
@@ -50,7 +50,7 @@ it exits 0. </li>
 <p>
  s6-nuke can be used during the shutdown procedure of a system, which is
 described
-<a href="http://skarnet.org/software/s6/s6-svscan-1.html#stage3">here</a>.
+<a href="//skarnet.org/software/s6/s6-svscan-1.html#stage3">here</a>.
 </p>
 
 </body>
diff --git a/doc/s6-pause.html b/doc/s6-pause.html
index 7ccfd63..be3cc4f 100644
--- a/doc/s6-pause.html
+++ b/doc/s6-pause.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-pause program</title>
     <meta name="Description" content="s6-portable-utils: the s6-pause program" />
     <meta name="Keywords" content="s6-portable-utils command s6-pause pause" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-pause</tt> program </h1>
diff --git a/doc/s6-printenv.html b/doc/s6-printenv.html
index 3601e94..1fec254 100644
--- a/doc/s6-printenv.html
+++ b/doc/s6-printenv.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-printenv program</title>
     <meta name="Description" content="s6-portable-utils: the s6-printenv program" />
     <meta name="Keywords" content="s6-portable-utils command s6-printenv environment variables" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-printenv</tt> program </h1>
diff --git a/doc/s6-quote-filter.html b/doc/s6-quote-filter.html
index 354b1b6..6c7449d 100644
--- a/doc/s6-quote-filter.html
+++ b/doc/s6-quote-filter.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-quote-filter program</title>
     <meta name="Description" content="s6-portable-utils: the s6-quote-filter program" />
     <meta name="Keywords" content="s6-portable-utils command s6-quote-filter quote" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-quote-filter</tt> program </h1>
diff --git a/doc/s6-quote.html b/doc/s6-quote.html
index f4ce938..a438d39 100644
--- a/doc/s6-quote.html
+++ b/doc/s6-quote.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-quote program</title>
     <meta name="Description" content="s6-portable-utils: the s6-quote program" />
     <meta name="Keywords" content="s6-portable-utils command s6-quote quote" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-quote</tt> program </h1>
@@ -51,7 +51,7 @@ as a quote character, instead of double quotes </li>
  <li> Quoted strings can be unquoted via the <a href="s6-unquote.html">s6-unquote</a> or
 <a href="s6-unquote-filter.html">s6-unquote-filter</a> programs. </li>
  <li> Quoted strings are suitable for interpretation by
-<a href="http://skarnet.org/software/execline/execlineb.html">execlineb</a>. </li>
+<a href="//skarnet.org/software/execline/execlineb.html">execlineb</a>. </li>
 </ul>
 
 </body>
diff --git a/doc/s6-rename.html b/doc/s6-rename.html
index 47111fc..cf616bb 100644
--- a/doc/s6-rename.html
+++ b/doc/s6-rename.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-rename program</title>
     <meta name="Description" content="s6-portable-utils: the s6-rename program" />
     <meta name="Keywords" content="s6-portable-utils command s6-rename rename atomic" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-rename</tt> program </h1>
diff --git a/doc/s6-rmrf.html b/doc/s6-rmrf.html
index 876eb16..eafb670 100644
--- a/doc/s6-rmrf.html
+++ b/doc/s6-rmrf.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-rmrf program</title>
     <meta name="Description" content="s6-portable-utils: the s6-rmrf program" />
     <meta name="Keywords" content="s6-portable-utils command s6-rmrf rm remove delete" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-rmrf</tt> program </h1>
diff --git a/doc/s6-seq.html b/doc/s6-seq.html
index f9a5166..186959c 100644
--- a/doc/s6-seq.html
+++ b/doc/s6-seq.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-seq program</title>
     <meta name="Description" content="s6-portable-utils: the s6-seq program" />
     <meta name="Keywords" content="s6-portable-utils command s6-seq seq numbers loop" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-seq</tt> program </h1>
diff --git a/doc/s6-sleep.html b/doc/s6-sleep.html
index deceb74..d187f10 100644
--- a/doc/s6-sleep.html
+++ b/doc/s6-sleep.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-sleep program</title>
     <meta name="Description" content="s6-portable-utils: the s6-sleep program" />
     <meta name="Keywords" content="s6-portable-utils command s6-sleep sleep" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-sleep</tt> program </h1>
diff --git a/doc/s6-sort.html b/doc/s6-sort.html
index 2243f1c..0f71538 100644
--- a/doc/s6-sort.html
+++ b/doc/s6-sort.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-sort program</title>
     <meta name="Description" content="s6-portable-utils: the s6-sort program" />
     <meta name="Keywords" content="s6-portable-utils command s6-sort sort" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-sort</tt> program </h1>
diff --git a/doc/s6-sync.html b/doc/s6-sync.html
index 06456b3..ffd4bcb 100644
--- a/doc/s6-sync.html
+++ b/doc/s6-sync.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-sync program</title>
     <meta name="Description" content="s6-portable-utils: the s6-sync program" />
     <meta name="Keywords" content="s6-portable-utils command s6-sync sync filesystem" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-sync</tt> program </h1>
diff --git a/doc/s6-tail.html b/doc/s6-tail.html
index a593261..4ab340b 100644
--- a/doc/s6-tail.html
+++ b/doc/s6-tail.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-tail program</title>
     <meta name="Description" content="s6-portable-utils: the s6-tail program" />
     <meta name="Keywords" content="s6-portable-utils command s6-tail tail" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-tail</tt> program </h1>
diff --git a/doc/s6-test.html b/doc/s6-test.html
index 6b48d42..b79592c 100644
--- a/doc/s6-test.html
+++ b/doc/s6-test.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-test program</title>
     <meta name="Description" content="s6-portable-utils: the s6-test program" />
     <meta name="Keywords" content="s6-portable-utils command s6-test test" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-test</tt> program </h1>
diff --git a/doc/s6-touch.html b/doc/s6-touch.html
index 2ce002c..35b4d55 100644
--- a/doc/s6-touch.html
+++ b/doc/s6-touch.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-touch program</title>
     <meta name="Description" content="s6-portable-utils: the s6-touch program" />
     <meta name="Keywords" content="s6-portable-utils command s6-touch touch" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-touch</tt> program </h1>
diff --git a/doc/s6-true.html b/doc/s6-true.html
index 2aba956..54f6a0f 100644
--- a/doc/s6-true.html
+++ b/doc/s6-true.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-true program</title>
     <meta name="Description" content="s6-portable-utils: the s6-true program" />
     <meta name="Keywords" content="s6-portable-utils command s6-true" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-true</tt> program </h1>
diff --git a/doc/s6-uniquename.html b/doc/s6-uniquename.html
index b3546ab..99b1187 100644
--- a/doc/s6-uniquename.html
+++ b/doc/s6-uniquename.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-uniquename program</title>
     <meta name="Description" content="s6-portable-utils: the s6-uniquename program" />
     <meta name="Keywords" content="s6-portable-utils command s6-uniquename uniquename random" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-uniquename</tt> program </h1>
diff --git a/doc/s6-unquote-filter.html b/doc/s6-unquote-filter.html
index ed926b4..f2d7539 100644
--- a/doc/s6-unquote-filter.html
+++ b/doc/s6-unquote-filter.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-unquote-filter program</title>
     <meta name="Description" content="s6-portable-utils: the s6-unquote-filter program" />
     <meta name="Keywords" content="s6-portable-utils command s6-unquote-filter unquote filter" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-unquote-filter</tt> program </h1>
diff --git a/doc/s6-unquote.html b/doc/s6-unquote.html
index 901c745..af70928 100644
--- a/doc/s6-unquote.html
+++ b/doc/s6-unquote.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-unquote program</title>
     <meta name="Description" content="s6-portable-utils: the s6-unquote program" />
     <meta name="Keywords" content="s6-portable-utils command s6-unquote quote" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-unquote</tt> program </h1>
diff --git a/doc/s6-update-symlinks.html b/doc/s6-update-symlinks.html
index 2a9c92c..d7ece2f 100644
--- a/doc/s6-update-symlinks.html
+++ b/doc/s6-update-symlinks.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the s6-update-symlinks program</title>
     <meta name="Description" content="s6-portable-utils: the s6-update-symlinks program" />
     <meta name="Keywords" content="s6-portable-utils command s6-update-symlinks update-symlinks symlinks" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>s6-update-symlinks</tt> program </h1>
diff --git a/doc/seekablepipe.html b/doc/seekablepipe.html
index 617cabe..e71244d 100644
--- a/doc/seekablepipe.html
+++ b/doc/seekablepipe.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: the seekablepipe program</title>
     <meta name="Description" content="s6-portable-utils: the seekablepipe program" />
     <meta name="Keywords" content="s6-portable-utils seekablepipe pipe seekablepipe-io" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> The <tt>seekablepipe</tt> program </h1>
diff --git a/doc/upgrade.html b/doc/upgrade.html
index 6de875c..d6ddc6b 100644
--- a/doc/upgrade.html
+++ b/doc/upgrade.html
@@ -6,14 +6,14 @@
     <title>s6-portable-utils: how to upgrade</title>
     <meta name="Description" content="s6-portable-utils: how to upgrade" />
     <meta name="Keywords" content="s6-portable-utils installation upgrade" />
-    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+    <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
   </head>
 <body>
 
 <p>
 <a href="index.html">s6-portable-utils</a><br />
-<a href="http://skarnet.org/software/">Software</a><br />
-<a href="http://skarnet.org/">skarnet.org</a>
+<a href="//skarnet.org/software/">Software</a><br />
+<a href="//skarnet.org/">skarnet.org</a>
 </p>
 
 <h1> What has changed in s6-portable-utils </h1>
@@ -95,7 +95,7 @@ to s6-linux-utils, but it is actually portable in practice.) </li>
 <ul>
  <li> skalibs dependency bumped to 2.2.0.0. </li>
  <li> seekablepipe moved from
-<a href="http://skarnet.org/software/s6-networking/">s6-networking</a>
+<a href="//skarnet.org/software/s6-networking/">s6-networking</a>
 to s6-portable-utils. </li>
 </ul>