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index 247fae5b8..4191612a6 100644
--- a/docs/A-Whirlwind-Tour-of-Picocli.html
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index 8816ca647..d69ac4a9e 100644
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index 70d35934c..ebe8c5c01 100644
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+}
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+        switchItem = createSwitchItem(secondary, primary.children('.switch'));
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+}
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+}
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 <body class="article toc2 toc-left">
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index b22d2518b..a47f6998e 100644
--- a/docs/build-great-native-cli-apps-in-java-with-graalvm-and-picocli.html
+++ b/docs/build-great-native-cli-apps-in-java-with-graalvm-and-picocli.html
@@ -525,81 +525,81 @@
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+}
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+}
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+}
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+<script src="https://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js"></script>
+<script type="text/javascript">
+function addBlockSwitches() {
+    $('.primary').each(function() {
+        primary = $(this);
+        createSwitchItem(primary, createBlockSwitch(primary)).item.addClass("selected");
+        primary.children('.title').remove();
+    });
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+        switchItem = createSwitchItem(secondary, primary.children('.switch'));
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+        findPrimary(secondary).append(switchItem.content);
+        secondary.remove();
+    });
+}
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+function createBlockSwitch(primary) {
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+    primary.prepend(blockSwitch);
+    return blockSwitch;
+}
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+}
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+}
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 </head>
 <body class="article">
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index 7c6b3af4c..569f8c7b7 100644
--- a/docs/feedback.html
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+}
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+}
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+}
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+<script src="https://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js"></script>
+<script type="text/javascript">
+function addBlockSwitches() {
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+        createSwitchItem(primary, createBlockSwitch(primary)).item.addClass("selected");
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+}
+
+function createBlockSwitch(primary) {
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+}
+
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+    return {'item': item, 'content': content};
+}
+
+$(addBlockSwitches);
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 </head>
 <body class="article">
diff --git a/docs/groovy-2.5-clibuilder-renewal-part1.html b/docs/groovy-2.5-clibuilder-renewal-part1.html
index 9634d6a27..d16764a57 100644
--- a/docs/groovy-2.5-clibuilder-renewal-part1.html
+++ b/docs/groovy-2.5-clibuilder-renewal-part1.html
@@ -525,81 +525,81 @@
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-
-$(addBlockSwitches);
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+}
+
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+    color: #7a2518;
+    display: inline-block;
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+}
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+}
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+<script src="https://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js"></script>
+<script type="text/javascript">
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+        createSwitchItem(primary, createBlockSwitch(primary)).item.addClass("selected");
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+    });
+    $('.secondary').each(function(idx, node) {
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+    });
+}
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+function createBlockSwitch(primary) {
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+    primary.prepend(blockSwitch);
+    return blockSwitch;
+}
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+}
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+        $(this).addClass('selected');
+        $(this).siblings().removeClass('selected');
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+    return {'item': item, 'content': content};
+}
+
+$(addBlockSwitches);
+
+</script>
 
 </head>
 <body class="article">
diff --git a/docs/groovy-2.5-clibuilder-renewal-part2.html b/docs/groovy-2.5-clibuilder-renewal-part2.html
index 610c64930..7c5dc9077 100644
--- a/docs/groovy-2.5-clibuilder-renewal-part2.html
+++ b/docs/groovy-2.5-clibuilder-renewal-part2.html
@@ -525,81 +525,81 @@
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-    });
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-    return {'item': item, 'content': content};
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-
-$(addBlockSwitches);
-
-</script>
+<style>
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+    display: none;
+}
+
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+    border-width: 1px 1px 0 1px;
+    border-style: solid;
+    border-color: #7a2518;
+    display: inline-block;
+}
+
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+    padding: 10px;
+    background-color: #ffffff;
+    color: #7a2518;
+    display: inline-block;
+    cursor: pointer;
+}
+
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+    background-color: #7a2519;
+    color: #ffffff;
+}
+
+</style>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js"></script>
+<script type="text/javascript">
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+    $('.primary').each(function() {
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+        createSwitchItem(primary, createBlockSwitch(primary)).item.addClass("selected");
+        primary.children('.title').remove();
+    });
+    $('.secondary').each(function(idx, node) {
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+        switchItem = createSwitchItem(secondary, primary.children('.switch'));
+        switchItem.content.addClass('hidden');
+        findPrimary(secondary).append(switchItem.content);
+        secondary.remove();
+    });
+}
+
+function createBlockSwitch(primary) {
+    blockSwitch = $('<div class="switch"></div>');
+    primary.prepend(blockSwitch);
+    return blockSwitch;
+}
+
+function findPrimary(secondary) {
+    candidate = secondary.prev();
+    while (!candidate.is('.primary')) {
+        candidate = candidate.prev();
+    }
+    return candidate;
+}
+
+function createSwitchItem(block, blockSwitch) {
+    blockName = block.children('.title').text();
+    content = block.children('.content').first().append(block.next('.colist'));
+    item = $('<div class="switch--item">' + blockName + '</div>');
+    item.on('click', '', content, function(e) {
+        $(this).addClass('selected');
+        $(this).siblings().removeClass('selected');
+        e.data.siblings('.content').addClass('hidden');
+        e.data.removeClass('hidden');
+    });
+    blockSwitch.append(item);
+    return {'item': item, 'content': content};
+}
+
+$(addBlockSwitches);
+
+</script>
 
 </head>
 <body class="article">
diff --git a/docs/groovy-2.5-clibuilder-renewal.html b/docs/groovy-2.5-clibuilder-renewal.html
index 8e505fe6e..daf5c0cd9 100644
--- a/docs/groovy-2.5-clibuilder-renewal.html
+++ b/docs/groovy-2.5-clibuilder-renewal.html
@@ -525,81 +525,81 @@
 .CodeRay .change .change{color:#66f}
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-    });
-    blockSwitch.append(item);
-    return {'item': item, 'content': content};
-}
-
-$(addBlockSwitches);
-
-</script>
+<style>
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+    display: none;
+}
+
+.switch {
+    border-width: 1px 1px 0 1px;
+    border-style: solid;
+    border-color: #7a2518;
+    display: inline-block;
+}
+
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+    padding: 10px;
+    background-color: #ffffff;
+    color: #7a2518;
+    display: inline-block;
+    cursor: pointer;
+}
+
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+    background-color: #7a2519;
+    color: #ffffff;
+}
+
+</style>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js"></script>
+<script type="text/javascript">
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+    $('.primary').each(function() {
+        primary = $(this);
+        createSwitchItem(primary, createBlockSwitch(primary)).item.addClass("selected");
+        primary.children('.title').remove();
+    });
+    $('.secondary').each(function(idx, node) {
+        secondary = $(node);
+        primary = findPrimary(secondary);
+        switchItem = createSwitchItem(secondary, primary.children('.switch'));
+        switchItem.content.addClass('hidden');
+        findPrimary(secondary).append(switchItem.content);
+        secondary.remove();
+    });
+}
+
+function createBlockSwitch(primary) {
+    blockSwitch = $('<div class="switch"></div>');
+    primary.prepend(blockSwitch);
+    return blockSwitch;
+}
+
+function findPrimary(secondary) {
+    candidate = secondary.prev();
+    while (!candidate.is('.primary')) {
+        candidate = candidate.prev();
+    }
+    return candidate;
+}
+
+function createSwitchItem(block, blockSwitch) {
+    blockName = block.children('.title').text();
+    content = block.children('.content').first().append(block.next('.colist'));
+    item = $('<div class="switch--item">' + blockName + '</div>');
+    item.on('click', '', content, function(e) {
+        $(this).addClass('selected');
+        $(this).siblings().removeClass('selected');
+        e.data.siblings('.content').addClass('hidden');
+        e.data.removeClass('hidden');
+    });
+    blockSwitch.append(item);
+    return {'item': item, 'content': content};
+}
+
+$(addBlockSwitches);
+
+</script>
 
 </head>
 <body class="article">
diff --git a/docs/index.html b/docs/index.html
index 26f8c29eb..903a8556a 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -1709,81 +1709,81 @@
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 });
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-    blockSwitch.append(item);
-    return {'item': item, 'content': content};
-}
-
-$(addBlockSwitches);
-
-</script>
+<style>
+.hidden {
+    display: none;
+}
+
+.switch {
+    border-width: 1px 1px 0 1px;
+    border-style: solid;
+    border-color: #7a2518;
+    display: inline-block;
+}
+
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+    padding: 10px;
+    background-color: #ffffff;
+    color: #7a2518;
+    display: inline-block;
+    cursor: pointer;
+}
+
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+    background-color: #7a2519;
+    color: #ffffff;
+}
+
+</style>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js"></script>
+<script type="text/javascript">
+function addBlockSwitches() {
+    $('.primary').each(function() {
+        primary = $(this);
+        createSwitchItem(primary, createBlockSwitch(primary)).item.addClass("selected");
+        primary.children('.title').remove();
+    });
+    $('.secondary').each(function(idx, node) {
+        secondary = $(node);
+        primary = findPrimary(secondary);
+        switchItem = createSwitchItem(secondary, primary.children('.switch'));
+        switchItem.content.addClass('hidden');
+        findPrimary(secondary).append(switchItem.content);
+        secondary.remove();
+    });
+}
+
+function createBlockSwitch(primary) {
+    blockSwitch = $('<div class="switch"></div>');
+    primary.prepend(blockSwitch);
+    return blockSwitch;
+}
+
+function findPrimary(secondary) {
+    candidate = secondary.prev();
+    while (!candidate.is('.primary')) {
+        candidate = candidate.prev();
+    }
+    return candidate;
+}
+
+function createSwitchItem(block, blockSwitch) {
+    blockName = block.children('.title').text();
+    content = block.children('.content').first().append(block.next('.colist'));
+    item = $('<div class="switch--item">' + blockName + '</div>');
+    item.on('click', '', content, function(e) {
+        $(this).addClass('selected');
+        $(this).siblings().removeClass('selected');
+        e.data.siblings('.content').addClass('hidden');
+        e.data.removeClass('hidden');
+    });
+    blockSwitch.append(item);
+    return {'item': item, 'content': content};
+}
+
+$(addBlockSwitches);
+
+</script>
 
 </head>
 <body class="article toc2 toc-left">
diff --git a/docs/man/index.html b/docs/man/index.html
index 0b105139a..6d78af8c2 100644
--- a/docs/man/index.html
+++ b/docs/man/index.html
@@ -435,81 +435,81 @@
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-    });
-    blockSwitch.append(item);
-    return {'item': item, 'content': content};
-}
-
-$(addBlockSwitches);
-
-</script>
+<style>
+.hidden {
+    display: none;
+}
+
+.switch {
+    border-width: 1px 1px 0 1px;
+    border-style: solid;
+    border-color: #7a2518;
+    display: inline-block;
+}
+
+.switch--item {
+    padding: 10px;
+    background-color: #ffffff;
+    color: #7a2518;
+    display: inline-block;
+    cursor: pointer;
+}
+
+.switch--item.selected {
+    background-color: #7a2519;
+    color: #ffffff;
+}
+
+</style>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js"></script>
+<script type="text/javascript">
+function addBlockSwitches() {
+    $('.primary').each(function() {
+        primary = $(this);
+        createSwitchItem(primary, createBlockSwitch(primary)).item.addClass("selected");
+        primary.children('.title').remove();
+    });
+    $('.secondary').each(function(idx, node) {
+        secondary = $(node);
+        primary = findPrimary(secondary);
+        switchItem = createSwitchItem(secondary, primary.children('.switch'));
+        switchItem.content.addClass('hidden');
+        findPrimary(secondary).append(switchItem.content);
+        secondary.remove();
+    });
+}
+
+function createBlockSwitch(primary) {
+    blockSwitch = $('<div class="switch"></div>');
+    primary.prepend(blockSwitch);
+    return blockSwitch;
+}
+
+function findPrimary(secondary) {
+    candidate = secondary.prev();
+    while (!candidate.is('.primary')) {
+        candidate = candidate.prev();
+    }
+    return candidate;
+}
+
+function createSwitchItem(block, blockSwitch) {
+    blockName = block.children('.title').text();
+    content = block.children('.content').first().append(block.next('.colist'));
+    item = $('<div class="switch--item">' + blockName + '</div>');
+    item.on('click', '', content, function(e) {
+        $(this).addClass('selected');
+        $(this).siblings().removeClass('selected');
+        e.data.siblings('.content').addClass('hidden');
+        e.data.removeClass('hidden');
+    });
+    blockSwitch.append(item);
+    return {'item': item, 'content': content};
+}
+
+$(addBlockSwitches);
+
+</script>
 
 </head>
 <body class="article">
diff --git a/docs/migrating-from-commons-cli.html b/docs/migrating-from-commons-cli.html
index fb2e0bb66..30cfdf2b0 100644
--- a/docs/migrating-from-commons-cli.html
+++ b/docs/migrating-from-commons-cli.html
@@ -526,81 +526,81 @@
 .CodeRay .change .change{color:#66f}
 .CodeRay .head .head{color:#f4f}
 </style>
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-    });
-    blockSwitch.append(item);
-    return {'item': item, 'content': content};
-}
-
-$(addBlockSwitches);
-
-</script>
+<style>
+.hidden {
+    display: none;
+}
+
+.switch {
+    border-width: 1px 1px 0 1px;
+    border-style: solid;
+    border-color: #7a2518;
+    display: inline-block;
+}
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+    padding: 10px;
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+    color: #7a2518;
+    display: inline-block;
+    cursor: pointer;
+}
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+    background-color: #7a2519;
+    color: #ffffff;
+}
+
+</style>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js"></script>
+<script type="text/javascript">
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+    $('.primary').each(function() {
+        primary = $(this);
+        createSwitchItem(primary, createBlockSwitch(primary)).item.addClass("selected");
+        primary.children('.title').remove();
+    });
+    $('.secondary').each(function(idx, node) {
+        secondary = $(node);
+        primary = findPrimary(secondary);
+        switchItem = createSwitchItem(secondary, primary.children('.switch'));
+        switchItem.content.addClass('hidden');
+        findPrimary(secondary).append(switchItem.content);
+        secondary.remove();
+    });
+}
+
+function createBlockSwitch(primary) {
+    blockSwitch = $('<div class="switch"></div>');
+    primary.prepend(blockSwitch);
+    return blockSwitch;
+}
+
+function findPrimary(secondary) {
+    candidate = secondary.prev();
+    while (!candidate.is('.primary')) {
+        candidate = candidate.prev();
+    }
+    return candidate;
+}
+
+function createSwitchItem(block, blockSwitch) {
+    blockName = block.children('.title').text();
+    content = block.children('.content').first().append(block.next('.colist'));
+    item = $('<div class="switch--item">' + blockName + '</div>');
+    item.on('click', '', content, function(e) {
+        $(this).addClass('selected');
+        $(this).siblings().removeClass('selected');
+        e.data.siblings('.content').addClass('hidden');
+        e.data.removeClass('hidden');
+    });
+    blockSwitch.append(item);
+    return {'item': item, 'content': content};
+}
+
+$(addBlockSwitches);
+
+</script>
 
 </head>
 <body class="article">
diff --git a/docs/picocli-2.0-do-more-with-less.html b/docs/picocli-2.0-do-more-with-less.html
index 33020d64e..e4cf6f52d 100644
--- a/docs/picocli-2.0-do-more-with-less.html
+++ b/docs/picocli-2.0-do-more-with-less.html
@@ -525,81 +525,81 @@
 .CodeRay .change .change{color:#66f}
 .CodeRay .head .head{color:#f4f}
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-    });
-    blockSwitch.append(item);
-    return {'item': item, 'content': content};
-}
-
-$(addBlockSwitches);
-
-</script>
+<style>
+.hidden {
+    display: none;
+}
+
+.switch {
+    border-width: 1px 1px 0 1px;
+    border-style: solid;
+    border-color: #7a2518;
+    display: inline-block;
+}
+
+.switch--item {
+    padding: 10px;
+    background-color: #ffffff;
+    color: #7a2518;
+    display: inline-block;
+    cursor: pointer;
+}
+
+.switch--item.selected {
+    background-color: #7a2519;
+    color: #ffffff;
+}
+
+</style>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js"></script>
+<script type="text/javascript">
+function addBlockSwitches() {
+    $('.primary').each(function() {
+        primary = $(this);
+        createSwitchItem(primary, createBlockSwitch(primary)).item.addClass("selected");
+        primary.children('.title').remove();
+    });
+    $('.secondary').each(function(idx, node) {
+        secondary = $(node);
+        primary = findPrimary(secondary);
+        switchItem = createSwitchItem(secondary, primary.children('.switch'));
+        switchItem.content.addClass('hidden');
+        findPrimary(secondary).append(switchItem.content);
+        secondary.remove();
+    });
+}
+
+function createBlockSwitch(primary) {
+    blockSwitch = $('<div class="switch"></div>');
+    primary.prepend(blockSwitch);
+    return blockSwitch;
+}
+
+function findPrimary(secondary) {
+    candidate = secondary.prev();
+    while (!candidate.is('.primary')) {
+        candidate = candidate.prev();
+    }
+    return candidate;
+}
+
+function createSwitchItem(block, blockSwitch) {
+    blockName = block.children('.title').text();
+    content = block.children('.content').first().append(block.next('.colist'));
+    item = $('<div class="switch--item">' + blockName + '</div>');
+    item.on('click', '', content, function(e) {
+        $(this).addClass('selected');
+        $(this).siblings().removeClass('selected');
+        e.data.siblings('.content').addClass('hidden');
+        e.data.removeClass('hidden');
+    });
+    blockSwitch.append(item);
+    return {'item': item, 'content': content};
+}
+
+$(addBlockSwitches);
+
+</script>
 
 </head>
 <body class="article">
diff --git a/docs/picocli-2.0-groovy-scripts-on-steroids.html b/docs/picocli-2.0-groovy-scripts-on-steroids.html
index 63cf4a9cf..0be650db9 100644
--- a/docs/picocli-2.0-groovy-scripts-on-steroids.html
+++ b/docs/picocli-2.0-groovy-scripts-on-steroids.html
@@ -525,81 +525,81 @@
 .CodeRay .change .change{color:#66f}
 .CodeRay .head .head{color:#f4f}
 </style>
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-    });
-    blockSwitch.append(item);
-    return {'item': item, 'content': content};
-}
-
-$(addBlockSwitches);
-
-</script>
+<style>
+.hidden {
+    display: none;
+}
+
+.switch {
+    border-width: 1px 1px 0 1px;
+    border-style: solid;
+    border-color: #7a2518;
+    display: inline-block;
+}
+
+.switch--item {
+    padding: 10px;
+    background-color: #ffffff;
+    color: #7a2518;
+    display: inline-block;
+    cursor: pointer;
+}
+
+.switch--item.selected {
+    background-color: #7a2519;
+    color: #ffffff;
+}
+
+</style>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js"></script>
+<script type="text/javascript">
+function addBlockSwitches() {
+    $('.primary').each(function() {
+        primary = $(this);
+        createSwitchItem(primary, createBlockSwitch(primary)).item.addClass("selected");
+        primary.children('.title').remove();
+    });
+    $('.secondary').each(function(idx, node) {
+        secondary = $(node);
+        primary = findPrimary(secondary);
+        switchItem = createSwitchItem(secondary, primary.children('.switch'));
+        switchItem.content.addClass('hidden');
+        findPrimary(secondary).append(switchItem.content);
+        secondary.remove();
+    });
+}
+
+function createBlockSwitch(primary) {
+    blockSwitch = $('<div class="switch"></div>');
+    primary.prepend(blockSwitch);
+    return blockSwitch;
+}
+
+function findPrimary(secondary) {
+    candidate = secondary.prev();
+    while (!candidate.is('.primary')) {
+        candidate = candidate.prev();
+    }
+    return candidate;
+}
+
+function createSwitchItem(block, blockSwitch) {
+    blockName = block.children('.title').text();
+    content = block.children('.content').first().append(block.next('.colist'));
+    item = $('<div class="switch--item">' + blockName + '</div>');
+    item.on('click', '', content, function(e) {
+        $(this).addClass('selected');
+        $(this).siblings().removeClass('selected');
+        e.data.siblings('.content').addClass('hidden');
+        e.data.removeClass('hidden');
+    });
+    blockSwitch.append(item);
+    return {'item': item, 'content': content};
+}
+
+$(addBlockSwitches);
+
+</script>
 
 </head>
 <body class="article">
diff --git a/docs/picocli-on-graalvm.html b/docs/picocli-on-graalvm.html
index 7bd1efd6d..1bea701db 100644
--- a/docs/picocli-on-graalvm.html
+++ b/docs/picocli-on-graalvm.html
@@ -436,81 +436,81 @@
 @media amzn-kf8{#header,#content,#footnotes,#footer{padding:0}}
 </style>
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-        primary = findPrimary(secondary);
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-        $(this).addClass('selected');
-        $(this).siblings().removeClass('selected');
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-    });
-    blockSwitch.append(item);
-    return {'item': item, 'content': content};
-}
-
-$(addBlockSwitches);
-
-</script>
+<style>
+.hidden {
+    display: none;
+}
+
+.switch {
+    border-width: 1px 1px 0 1px;
+    border-style: solid;
+    border-color: #7a2518;
+    display: inline-block;
+}
+
+.switch--item {
+    padding: 10px;
+    background-color: #ffffff;
+    color: #7a2518;
+    display: inline-block;
+    cursor: pointer;
+}
+
+.switch--item.selected {
+    background-color: #7a2519;
+    color: #ffffff;
+}
+
+</style>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js"></script>
+<script type="text/javascript">
+function addBlockSwitches() {
+    $('.primary').each(function() {
+        primary = $(this);
+        createSwitchItem(primary, createBlockSwitch(primary)).item.addClass("selected");
+        primary.children('.title').remove();
+    });
+    $('.secondary').each(function(idx, node) {
+        secondary = $(node);
+        primary = findPrimary(secondary);
+        switchItem = createSwitchItem(secondary, primary.children('.switch'));
+        switchItem.content.addClass('hidden');
+        findPrimary(secondary).append(switchItem.content);
+        secondary.remove();
+    });
+}
+
+function createBlockSwitch(primary) {
+    blockSwitch = $('<div class="switch"></div>');
+    primary.prepend(blockSwitch);
+    return blockSwitch;
+}
+
+function findPrimary(secondary) {
+    candidate = secondary.prev();
+    while (!candidate.is('.primary')) {
+        candidate = candidate.prev();
+    }
+    return candidate;
+}
+
+function createSwitchItem(block, blockSwitch) {
+    blockName = block.children('.title').text();
+    content = block.children('.content').first().append(block.next('.colist'));
+    item = $('<div class="switch--item">' + blockName + '</div>');
+    item.on('click', '', content, function(e) {
+        $(this).addClass('selected');
+        $(this).siblings().removeClass('selected');
+        e.data.siblings('.content').addClass('hidden');
+        e.data.removeClass('hidden');
+    });
+    blockSwitch.append(item);
+    return {'item': item, 'content': content};
+}
+
+$(addBlockSwitches);
+
+</script>
 
 </head>
 <body class="article">
diff --git a/docs/picocli-programmatic-api.html b/docs/picocli-programmatic-api.html
index 7dc7ed087..6506b30aa 100644
--- a/docs/picocli-programmatic-api.html
+++ b/docs/picocli-programmatic-api.html
@@ -436,81 +436,81 @@
 @media amzn-kf8{#header,#content,#footnotes,#footer{padding:0}}
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-function findPrimary(secondary) {
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-    });
-    blockSwitch.append(item);
-    return {'item': item, 'content': content};
-}
-
-$(addBlockSwitches);
-
-</script>
+<style>
+.hidden {
+    display: none;
+}
+
+.switch {
+    border-width: 1px 1px 0 1px;
+    border-style: solid;
+    border-color: #7a2518;
+    display: inline-block;
+}
+
+.switch--item {
+    padding: 10px;
+    background-color: #ffffff;
+    color: #7a2518;
+    display: inline-block;
+    cursor: pointer;
+}
+
+.switch--item.selected {
+    background-color: #7a2519;
+    color: #ffffff;
+}
+
+</style>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js"></script>
+<script type="text/javascript">
+function addBlockSwitches() {
+    $('.primary').each(function() {
+        primary = $(this);
+        createSwitchItem(primary, createBlockSwitch(primary)).item.addClass("selected");
+        primary.children('.title').remove();
+    });
+    $('.secondary').each(function(idx, node) {
+        secondary = $(node);
+        primary = findPrimary(secondary);
+        switchItem = createSwitchItem(secondary, primary.children('.switch'));
+        switchItem.content.addClass('hidden');
+        findPrimary(secondary).append(switchItem.content);
+        secondary.remove();
+    });
+}
+
+function createBlockSwitch(primary) {
+    blockSwitch = $('<div class="switch"></div>');
+    primary.prepend(blockSwitch);
+    return blockSwitch;
+}
+
+function findPrimary(secondary) {
+    candidate = secondary.prev();
+    while (!candidate.is('.primary')) {
+        candidate = candidate.prev();
+    }
+    return candidate;
+}
+
+function createSwitchItem(block, blockSwitch) {
+    blockName = block.children('.title').text();
+    content = block.children('.content').first().append(block.next('.colist'));
+    item = $('<div class="switch--item">' + blockName + '</div>');
+    item.on('click', '', content, function(e) {
+        $(this).addClass('selected');
+        $(this).siblings().removeClass('selected');
+        e.data.siblings('.content').addClass('hidden');
+        e.data.removeClass('hidden');
+    });
+    blockSwitch.append(item);
+    return {'item': item, 'content': content};
+}
+
+$(addBlockSwitches);
+
+</script>
 
 </head>
 <body class="article toc2 toc-left">
diff --git a/docs/quick-guide.html b/docs/quick-guide.html
index 921c5efba..d0126d4e1 100644
--- a/docs/quick-guide.html
+++ b/docs/quick-guide.html
@@ -1709,81 +1709,81 @@
     });
 });
 </script>
-<style>
-.hidden {
-    display: none;
-}
-
-.switch {
-    border-width: 1px 1px 0 1px;
-    border-style: solid;
-    border-color: #7a2518;
-    display: inline-block;
-}
-
-.switch--item {
-    padding: 10px;
-    background-color: #ffffff;
-    color: #7a2518;
-    display: inline-block;
-    cursor: pointer;
-}
-
-.switch--item.selected {
-    background-color: #7a2519;
-    color: #ffffff;
-}
-
-</style>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js"></script>
-<script type="text/javascript">
-function addBlockSwitches() {
-    $('.primary').each(function() {
-        primary = $(this);
-        createSwitchItem(primary, createBlockSwitch(primary)).item.addClass("selected");
-        primary.children('.title').remove();
-    });
-    $('.secondary').each(function(idx, node) {
-        secondary = $(node);
-        primary = findPrimary(secondary);
-        switchItem = createSwitchItem(secondary, primary.children('.switch'));
-        switchItem.content.addClass('hidden');
-        findPrimary(secondary).append(switchItem.content);
-        secondary.remove();
-    });
-}
-
-function createBlockSwitch(primary) {
-    blockSwitch = $('<div class="switch"></div>');
-    primary.prepend(blockSwitch);
-    return blockSwitch;
-}
-
-function findPrimary(secondary) {
-    candidate = secondary.prev();
-    while (!candidate.is('.primary')) {
-        candidate = candidate.prev();
-    }
-    return candidate;
-}
-
-function createSwitchItem(block, blockSwitch) {
-    blockName = block.children('.title').text();
-    content = block.children('.content').first().append(block.next('.colist'));
-    item = $('<div class="switch--item">' + blockName + '</div>');
-    item.on('click', '', content, function(e) {
-        $(this).addClass('selected');
-        $(this).siblings().removeClass('selected');
-        e.data.siblings('.content').addClass('hidden');
-        e.data.removeClass('hidden');
-    });
-    blockSwitch.append(item);
-    return {'item': item, 'content': content};
-}
-
-$(addBlockSwitches);
-
-</script>
+<style>
+.hidden {
+    display: none;
+}
+
+.switch {
+    border-width: 1px 1px 0 1px;
+    border-style: solid;
+    border-color: #7a2518;
+    display: inline-block;
+}
+
+.switch--item {
+    padding: 10px;
+    background-color: #ffffff;
+    color: #7a2518;
+    display: inline-block;
+    cursor: pointer;
+}
+
+.switch--item.selected {
+    background-color: #7a2519;
+    color: #ffffff;
+}
+
+</style>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js"></script>
+<script type="text/javascript">
+function addBlockSwitches() {
+    $('.primary').each(function() {
+        primary = $(this);
+        createSwitchItem(primary, createBlockSwitch(primary)).item.addClass("selected");
+        primary.children('.title').remove();
+    });
+    $('.secondary').each(function(idx, node) {
+        secondary = $(node);
+        primary = findPrimary(secondary);
+        switchItem = createSwitchItem(secondary, primary.children('.switch'));
+        switchItem.content.addClass('hidden');
+        findPrimary(secondary).append(switchItem.content);
+        secondary.remove();
+    });
+}
+
+function createBlockSwitch(primary) {
+    blockSwitch = $('<div class="switch"></div>');
+    primary.prepend(blockSwitch);
+    return blockSwitch;
+}
+
+function findPrimary(secondary) {
+    candidate = secondary.prev();
+    while (!candidate.is('.primary')) {
+        candidate = candidate.prev();
+    }
+    return candidate;
+}
+
+function createSwitchItem(block, blockSwitch) {
+    blockName = block.children('.title').text();
+    content = block.children('.content').first().append(block.next('.colist'));
+    item = $('<div class="switch--item">' + blockName + '</div>');
+    item.on('click', '', content, function(e) {
+        $(this).addClass('selected');
+        $(this).siblings().removeClass('selected');
+        e.data.siblings('.content').addClass('hidden');
+        e.data.removeClass('hidden');
+    });
+    blockSwitch.append(item);
+    return {'item': item, 'content': content};
+}
+
+$(addBlockSwitches);
+
+</script>
 
 </head>
 <body class="article toc2 toc-left">
diff --git a/docs/zh/picocli-2.0-do-more-with-less.html b/docs/zh/picocli-2.0-do-more-with-less.html
index 7826db970..d88e01ff1 100644
--- a/docs/zh/picocli-2.0-do-more-with-less.html
+++ b/docs/zh/picocli-2.0-do-more-with-less.html
@@ -525,81 +525,81 @@
 .CodeRay .change .change{color:#66f}
 .CodeRay .head .head{color:#f4f}
 </style>
-<style>
-.hidden {
-    display: none;
-}
-
-.switch {
-    border-width: 1px 1px 0 1px;
-    border-style: solid;
-    border-color: #7a2518;
-    display: inline-block;
-}
-
-.switch--item {
-    padding: 10px;
-    background-color: #ffffff;
-    color: #7a2518;
-    display: inline-block;
-    cursor: pointer;
-}
-
-.switch--item.selected {
-    background-color: #7a2519;
-    color: #ffffff;
-}
-
-</style>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js"></script>
-<script type="text/javascript">
-function addBlockSwitches() {
-    $('.primary').each(function() {
-        primary = $(this);
-        createSwitchItem(primary, createBlockSwitch(primary)).item.addClass("selected");
-        primary.children('.title').remove();
-    });
-    $('.secondary').each(function(idx, node) {
-        secondary = $(node);
-        primary = findPrimary(secondary);
-        switchItem = createSwitchItem(secondary, primary.children('.switch'));
-        switchItem.content.addClass('hidden');
-        findPrimary(secondary).append(switchItem.content);
-        secondary.remove();
-    });
-}
-
-function createBlockSwitch(primary) {
-    blockSwitch = $('<div class="switch"></div>');
-    primary.prepend(blockSwitch);
-    return blockSwitch;
-}
-
-function findPrimary(secondary) {
-    candidate = secondary.prev();
-    while (!candidate.is('.primary')) {
-        candidate = candidate.prev();
-    }
-    return candidate;
-}
-
-function createSwitchItem(block, blockSwitch) {
-    blockName = block.children('.title').text();
-    content = block.children('.content').first().append(block.next('.colist'));
-    item = $('<div class="switch--item">' + blockName + '</div>');
-    item.on('click', '', content, function(e) {
-        $(this).addClass('selected');
-        $(this).siblings().removeClass('selected');
-        e.data.siblings('.content').addClass('hidden');
-        e.data.removeClass('hidden');
-    });
-    blockSwitch.append(item);
-    return {'item': item, 'content': content};
-}
-
-$(addBlockSwitches);
-
-</script>
+<style>
+.hidden {
+    display: none;
+}
+
+.switch {
+    border-width: 1px 1px 0 1px;
+    border-style: solid;
+    border-color: #7a2518;
+    display: inline-block;
+}
+
+.switch--item {
+    padding: 10px;
+    background-color: #ffffff;
+    color: #7a2518;
+    display: inline-block;
+    cursor: pointer;
+}
+
+.switch--item.selected {
+    background-color: #7a2519;
+    color: #ffffff;
+}
+
+</style>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js"></script>
+<script type="text/javascript">
+function addBlockSwitches() {
+    $('.primary').each(function() {
+        primary = $(this);
+        createSwitchItem(primary, createBlockSwitch(primary)).item.addClass("selected");
+        primary.children('.title').remove();
+    });
+    $('.secondary').each(function(idx, node) {
+        secondary = $(node);
+        primary = findPrimary(secondary);
+        switchItem = createSwitchItem(secondary, primary.children('.switch'));
+        switchItem.content.addClass('hidden');
+        findPrimary(secondary).append(switchItem.content);
+        secondary.remove();
+    });
+}
+
+function createBlockSwitch(primary) {
+    blockSwitch = $('<div class="switch"></div>');
+    primary.prepend(blockSwitch);
+    return blockSwitch;
+}
+
+function findPrimary(secondary) {
+    candidate = secondary.prev();
+    while (!candidate.is('.primary')) {
+        candidate = candidate.prev();
+    }
+    return candidate;
+}
+
+function createSwitchItem(block, blockSwitch) {
+    blockName = block.children('.title').text();
+    content = block.children('.content').first().append(block.next('.colist'));
+    item = $('<div class="switch--item">' + blockName + '</div>');
+    item.on('click', '', content, function(e) {
+        $(this).addClass('selected');
+        $(this).siblings().removeClass('selected');
+        e.data.siblings('.content').addClass('hidden');
+        e.data.removeClass('hidden');
+    });
+    blockSwitch.append(item);
+    return {'item': item, 'content': content};
+}
+
+$(addBlockSwitches);
+
+</script>
 
 </head>
 <body class="article">
diff --git a/docs/zh/picocli-2.0-groovy-scripts-on-steroids.html b/docs/zh/picocli-2.0-groovy-scripts-on-steroids.html
index 7e0783a7e..ee7047382 100644
--- a/docs/zh/picocli-2.0-groovy-scripts-on-steroids.html
+++ b/docs/zh/picocli-2.0-groovy-scripts-on-steroids.html
@@ -525,81 +525,81 @@
 .CodeRay .change .change{color:#66f}
 .CodeRay .head .head{color:#f4f}
 </style>
-<style>
-.hidden {
-    display: none;
-}
-
-.switch {
-    border-width: 1px 1px 0 1px;
-    border-style: solid;
-    border-color: #7a2518;
-    display: inline-block;
-}
-
-.switch--item {
-    padding: 10px;
-    background-color: #ffffff;
-    color: #7a2518;
-    display: inline-block;
-    cursor: pointer;
-}
-
-.switch--item.selected {
-    background-color: #7a2519;
-    color: #ffffff;
-}
-
-</style>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js"></script>
-<script type="text/javascript">
-function addBlockSwitches() {
-    $('.primary').each(function() {
-        primary = $(this);
-        createSwitchItem(primary, createBlockSwitch(primary)).item.addClass("selected");
-        primary.children('.title').remove();
-    });
-    $('.secondary').each(function(idx, node) {
-        secondary = $(node);
-        primary = findPrimary(secondary);
-        switchItem = createSwitchItem(secondary, primary.children('.switch'));
-        switchItem.content.addClass('hidden');
-        findPrimary(secondary).append(switchItem.content);
-        secondary.remove();
-    });
-}
-
-function createBlockSwitch(primary) {
-    blockSwitch = $('<div class="switch"></div>');
-    primary.prepend(blockSwitch);
-    return blockSwitch;
-}
-
-function findPrimary(secondary) {
-    candidate = secondary.prev();
-    while (!candidate.is('.primary')) {
-        candidate = candidate.prev();
-    }
-    return candidate;
-}
-
-function createSwitchItem(block, blockSwitch) {
-    blockName = block.children('.title').text();
-    content = block.children('.content').first().append(block.next('.colist'));
-    item = $('<div class="switch--item">' + blockName + '</div>');
-    item.on('click', '', content, function(e) {
-        $(this).addClass('selected');
-        $(this).siblings().removeClass('selected');
-        e.data.siblings('.content').addClass('hidden');
-        e.data.removeClass('hidden');
-    });
-    blockSwitch.append(item);
-    return {'item': item, 'content': content};
-}
-
-$(addBlockSwitches);
-
-</script>
+<style>
+.hidden {
+    display: none;
+}
+
+.switch {
+    border-width: 1px 1px 0 1px;
+    border-style: solid;
+    border-color: #7a2518;
+    display: inline-block;
+}
+
+.switch--item {
+    padding: 10px;
+    background-color: #ffffff;
+    color: #7a2518;
+    display: inline-block;
+    cursor: pointer;
+}
+
+.switch--item.selected {
+    background-color: #7a2519;
+    color: #ffffff;
+}
+
+</style>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js"></script>
+<script type="text/javascript">
+function addBlockSwitches() {
+    $('.primary').each(function() {
+        primary = $(this);
+        createSwitchItem(primary, createBlockSwitch(primary)).item.addClass("selected");
+        primary.children('.title').remove();
+    });
+    $('.secondary').each(function(idx, node) {
+        secondary = $(node);
+        primary = findPrimary(secondary);
+        switchItem = createSwitchItem(secondary, primary.children('.switch'));
+        switchItem.content.addClass('hidden');
+        findPrimary(secondary).append(switchItem.content);
+        secondary.remove();
+    });
+}
+
+function createBlockSwitch(primary) {
+    blockSwitch = $('<div class="switch"></div>');
+    primary.prepend(blockSwitch);
+    return blockSwitch;
+}
+
+function findPrimary(secondary) {
+    candidate = secondary.prev();
+    while (!candidate.is('.primary')) {
+        candidate = candidate.prev();
+    }
+    return candidate;
+}
+
+function createSwitchItem(block, blockSwitch) {
+    blockName = block.children('.title').text();
+    content = block.children('.content').first().append(block.next('.colist'));
+    item = $('<div class="switch--item">' + blockName + '</div>');
+    item.on('click', '', content, function(e) {
+        $(this).addClass('selected');
+        $(this).siblings().removeClass('selected');
+        e.data.siblings('.content').addClass('hidden');
+        e.data.removeClass('hidden');
+    });
+    blockSwitch.append(item);
+    return {'item': item, 'content': content};
+}
+
+$(addBlockSwitches);
+
+</script>
 
 </head>
 <body class="article">