diff --git a/README.md b/README.md
index f79bd958..4d5008b2 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,9 @@
 - [Summary](https://forge.cloud.silique.fr/stove/rougail-tutorials/src/branch/1.1/README.md)
-- [[tutorial v1.1_026] A disabled family](https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_026/README.md) ([diff](https://forge.cloud.silique.fr/stove/rougail-tutorials/compare/v1.1_026~1..v1.1_026))
+- [[tutorial v1.1_027] A conditional disabled family with a variable](https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_027/README.md) ([diff](https://forge.cloud.silique.fr/stove/rougail-tutorials/compare/v1.1_027~1..v1.1_027))
 
-# [tutorial v1.1_027)] A conditional disabled family with a variable
+# [tutorial v1.1_030)] A variable with type "boolean"
 
-[View the diff](https://forge.cloud.silique.fr/stove/rougail-tutorials/compare/v1.1_027~1..v1.1_027)
+[View the diff](https://forge.cloud.silique.fr/stove/rougail-tutorials/compare/v1.1_030~1..v1.1_030)
 
 
 ## Screenshot
@@ -63,11 +63,25 @@ manual:
       default: 8080
 ...
 
+```
+### firefox/20-manual.yml
+
+
+```yml
+%YAML 1.2
+---
+version: 1.1
+
+manual:
+
+  use_for_https: true  # Also use this proxy for HTTPS
+...
+
 ```
 ### Let's generate the documentation
 
 ```console
-foo@bar:~$ git switch --detach v1.1_027
+foo@bar:~$ git switch --detach v1.1_030
 foo@bar:~$ rougail -m firefox/ -o doc -do github
 ```
 | Variable                                                                                          | Description                                                                                       |
@@ -93,18 +107,21 @@ foo@bar:~$ rougail -m firefox/ -o doc -do github
 | **manual.http_proxy.address**<br/>[`domainname`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `mandatory`                                                                                                                                                                                                                                                                                                                                                                                                                                         | HTTP address.<br/>**Validator**: the domain name can be an IP                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
 | **manual.http_proxy.port**<br/>[`port`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `mandatory`                                                                                                                                                                                                                                                                                                                                                                                                                                                  | HTTP Port.<br/>**Validators**: <br/>- well-known ports (1 to 1023) are allowed<br/>- registred ports (1024 to 49151) are allowed<br/>- private ports (greater than 49152) are allowed<br/>**Default**: 8080                                                                                                                                                                                                                                                                                                                                                   |
 
+| Variable&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;   | Description&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;   |
+|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| **manual.use_for_https**<br/>[`boolean`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `mandatory`                                                                                                                                                                                                                                                                                                                                                                                                                                                 | Also use this proxy for HTTPS.<br/>**Default**: true                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
+
 ### Let's generate the changelog
 
 ```console
-foo@bar:~$ git switch --detach v1.1_027
+foo@bar:~$ git switch --detach v1.1_030
 foo@bar:~$ rougail -m firefox/ -o doc --doc.contents changelog -do github
 ```
-#### New variables
+#### New variable
 
-| Variable&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;   | Description&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;   |
-|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
-| **manual.http_proxy.address**<br/>[`domainname`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `mandatory`                                                                                                                                                                                                                                                                                                                                                                                                                                         | HTTP address.<br/>**Validator**: the domain name can be an IP                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
-| **manual.http_proxy.port**<br/>[`port`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `mandatory`                                                                                                                                                                                                                                                                                                                                                                                                                                                  | HTTP Port.<br/>**Validators**: <br/>- well-known ports (1 to 1023) are allowed<br/>- registred ports (1024 to 49151) are allowed<br/>- private ports (greater than 49152) are allowed<br/>**Default**: 8080                                                                                                                                                                                                                                                                                                                                                   |
+| Variable&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;   | Description&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;   |
+|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| **manual.use_for_https**<br/>[`boolean`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `mandatory`                                                                                                                                                                                                                                                                                                                                                                                                                               | Also use this proxy for HTTPS.<br/>**Default**: true                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
 
 
 ## User datas
@@ -121,7 +138,7 @@ foo@bar:~$ rougail -m firefox/ -o doc --doc.contents changelog -do github
 #### Output
 
 ```console
-foo@bar:~$ git switch --detach v1.1_027
+foo@bar:~$ git switch --detach v1.1_030
 foo@bar:~$ rougail -m firefox/ -u yaml -ff config/01/config.yaml
 ```
 <pre>╭─────── Caption ────────╮
@@ -130,18 +147,6 @@ foo@bar:~$ rougail -m firefox/ -u yaml -ff config/01/config.yaml
 Variables:
 <span style="color: #5c5cff">┗━━ </span>📓 Configure Proxy Access to the Internet: <span style="color: #ffd700">No proxy</span>
 </pre>
-#### Output in read write mode
-
-```console
-foo@bar:~$ git switch --detach v1.1_027
-foo@bar:~$ rougail -m firefox/ -u yaml -ff config/01/config.yaml --cli.read_write
-```
-<pre>╭─────── Caption ────────╮
-│ Variable <span style="color: #ffd700">Default value</span> │
-╰────────────────────────╯
-Variables:
-<span style="color: #5c5cff">┗━━ </span>📓 Configure Proxy Access to the Internet: <span style="color: #ffd700">No proxy</span>
-</pre>
 ### Example 2
 
 #### config/02/config.yaml
@@ -149,32 +154,21 @@ Variables:
 
 ```yml
 ---
-proxy_mode: Manual proxy configuration
+proxy_mode: No proxy
 
 ```
 #### Output
 
 ```console
-foo@bar:~$ git switch --detach v1.1_027
+foo@bar:~$ git switch --detach v1.1_030
 foo@bar:~$ rougail -m firefox/ -u yaml -ff config/02/config.yaml
 ```
-<pre><span style="font-weight: bold; color: #ff0000">🛑 ERRORS</span>
-<span style="color: #ff0000">┗━━ </span>The following variables are mandatory but have no value:
-<span style="color: #ff0000">    </span><span style="color: #ff0000">┗━━ </span>Manual proxy configuration
-<span style="color: #ff0000">    </span><span style="color: #ff0000">    </span><span style="color: #ff0000">┗━━ </span>HTTP Proxy
-<span style="color: #ff0000">    </span><span style="color: #ff0000">    </span><span style="color: #ff0000">    </span><span style="color: #ff0000">┗━━ </span>HTTP address
-</pre>
-#### Output in read write mode
-
-```console
-foo@bar:~$ git switch --detach v1.1_027
-foo@bar:~$ rougail -m firefox/ -u yaml -ff config/02/config.yaml --cli.read_write
-```
-<pre><span style="font-weight: bold; color: #ff0000">🛑 ERRORS</span>
-<span style="color: #ff0000">┗━━ </span>The following variables are mandatory but have no value:
-<span style="color: #ff0000">    </span><span style="color: #ff0000">┗━━ </span>Manual proxy configuration
-<span style="color: #ff0000">    </span><span style="color: #ff0000">    </span><span style="color: #ff0000">┗━━ </span>HTTP Proxy
-<span style="color: #ff0000">    </span><span style="color: #ff0000">    </span><span style="color: #ff0000">    </span><span style="color: #ff0000">┗━━ </span>HTTP address
+<pre>╭────────────── Caption ───────────────╮
+│ Variable Modified value              │
+│          (<span style="color: #00aa00">⏳ Original default value</span>) │
+╰──────────────────────────────────────╯
+Variables:
+<span style="color: #5c5cff">┗━━ </span>📓 Configure Proxy Access to the Internet: No proxy ◀ loaded from the YAML file "config/02/config.yaml" (⏳ <span style="color: #00aa00">No proxy</span>)
 </pre>
 ### Example 3
 
@@ -184,46 +178,19 @@ foo@bar:~$ rougail -m firefox/ -u yaml -ff config/02/config.yaml --cli.read_writ
 ```yml
 ---
 proxy_mode: Manual proxy configuration
-manual:
-  http_proxy:
-    address: example.net
 
 ```
 #### Output
 
 ```console
-foo@bar:~$ git switch --detach v1.1_027
+foo@bar:~$ git switch --detach v1.1_030
 foo@bar:~$ rougail -m firefox/ -u yaml -ff config/03/config.yaml
 ```
-<pre>╭────────────── Caption ───────────────╮
-│ Variable <span style="color: #ffd700">Default value</span>               │
-│          Modified value              │
-│          (<span style="color: #00aa00">⏳ Original default value</span>) │
-╰──────────────────────────────────────╯
-Variables:
-<span style="color: #5c5cff">┣━━ </span>📓 Configure Proxy Access to the Internet: Manual proxy configuration ◀ loaded from the YAML file "config/03/config.yaml" (⏳ <span style="color: #00aa00">No proxy</span>)
-<span style="color: #5c5cff">┗━━ </span>📂 Manual proxy configuration
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">┗━━ </span>📂 HTTP Proxy
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">    </span><span style="color: #5c5cff">┣━━ </span>📓 HTTP address: example.net ◀ loaded from the YAML file "config/03/config.yaml"
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">    </span><span style="color: #5c5cff">┗━━ </span>📓 HTTP Port: <span style="color: #ffd700">8080</span>
-</pre>
-#### Output in read write mode
-
-```console
-foo@bar:~$ git switch --detach v1.1_027
-foo@bar:~$ rougail -m firefox/ -u yaml -ff config/03/config.yaml --cli.read_write
-```
-<pre>╭────────────── Caption ───────────────╮
-│ Variable <span style="color: #ffd700">Default value</span>               │
-│          Modified value              │
-│          (<span style="color: #00aa00">⏳ Original default value</span>) │
-╰──────────────────────────────────────╯
-Variables:
-<span style="color: #5c5cff">┣━━ </span>📓 Configure Proxy Access to the Internet: Manual proxy configuration ◀ loaded from the YAML file "config/03/config.yaml" (⏳ <span style="color: #00aa00">No proxy</span>)
-<span style="color: #5c5cff">┗━━ </span>📂 Manual proxy configuration
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">┗━━ </span>📂 HTTP Proxy
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">    </span><span style="color: #5c5cff">┣━━ </span>📓 HTTP address: example.net ◀ loaded from the YAML file "config/03/config.yaml"
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">    </span><span style="color: #5c5cff">┗━━ </span>📓 HTTP Port: <span style="color: #ffd700">8080</span>
+<pre><span style="font-weight: bold; color: #ff0000">🛑 ERRORS</span>
+<span style="color: #ff0000">┗━━ </span>The following variables are mandatory but have no value:
+<span style="color: #ff0000">    </span><span style="color: #ff0000">┗━━ </span>Manual proxy configuration
+<span style="color: #ff0000">    </span><span style="color: #ff0000">    </span><span style="color: #ff0000">┗━━ </span>HTTP Proxy
+<span style="color: #ff0000">    </span><span style="color: #ff0000">    </span><span style="color: #ff0000">    </span><span style="color: #ff0000">┗━━ </span>HTTP address
 </pre>
 ### Example 4
 
@@ -232,46 +199,23 @@ Variables:
 
 ```yml
 ---
-proxy_mode: Manual proxy configuration
-manual:
-  http_proxy:
-    address: example.net
-    port: '3128'
+proxy_mode: foo
 
 ```
 #### Output
 
 ```console
-foo@bar:~$ git switch --detach v1.1_027
+foo@bar:~$ git switch --detach v1.1_030
 foo@bar:~$ rougail -m firefox/ -u yaml -ff config/04/config.yaml
 ```
-<pre>╭────────────── Caption ───────────────╮
-│ Variable Modified value              │
-│          (<span style="color: #00aa00">⏳ Original default value</span>) │
-╰──────────────────────────────────────╯
+<pre><span style="font-weight: bold; color: #ffff00">🔔 WARNINGS</span>
+<span style="color: #ffff00">┗━━ </span>the value "foo" is an invalid choice for "proxy_mode" (Configure Proxy Access to the Internet), only "Auto-detect proxy settings for this network", "Automatic proxy configuration URL", "Manual proxy 
+<span style="color: #ffff00">    </span>configuration", "No proxy" and "Use system proxy settings" are allowed, it will be ignored when loading from the YAML file "config/04/config.yaml"
+╭─────── Caption ────────╮
+│ Variable <span style="color: #ffd700">Default value</span> │
+╰────────────────────────╯
 Variables:
-<span style="color: #5c5cff">┣━━ </span>📓 Configure Proxy Access to the Internet: Manual proxy configuration ◀ loaded from the YAML file "config/04/config.yaml" (⏳ <span style="color: #00aa00">No proxy</span>)
-<span style="color: #5c5cff">┗━━ </span>📂 Manual proxy configuration
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">┗━━ </span>📂 HTTP Proxy
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">    </span><span style="color: #5c5cff">┣━━ </span>📓 HTTP address: example.net ◀ loaded from the YAML file "config/04/config.yaml"
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">    </span><span style="color: #5c5cff">┗━━ </span>📓 HTTP Port: 3128 ◀ loaded from the YAML file "config/04/config.yaml" (⏳ <span style="color: #00aa00">8080</span>)
-</pre>
-#### Output in read write mode
-
-```console
-foo@bar:~$ git switch --detach v1.1_027
-foo@bar:~$ rougail -m firefox/ -u yaml -ff config/04/config.yaml --cli.read_write
-```
-<pre>╭────────────── Caption ───────────────╮
-│ Variable Modified value              │
-│          (<span style="color: #00aa00">⏳ Original default value</span>) │
-╰──────────────────────────────────────╯
-Variables:
-<span style="color: #5c5cff">┣━━ </span>📓 Configure Proxy Access to the Internet: Manual proxy configuration ◀ loaded from the YAML file "config/04/config.yaml" (⏳ <span style="color: #00aa00">No proxy</span>)
-<span style="color: #5c5cff">┗━━ </span>📂 Manual proxy configuration
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">┗━━ </span>📂 HTTP Proxy
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">    </span><span style="color: #5c5cff">┣━━ </span>📓 HTTP address: example.net ◀ loaded from the YAML file "config/04/config.yaml"
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">    </span><span style="color: #5c5cff">┗━━ </span>📓 HTTP Port: 3128 ◀ loaded from the YAML file "config/04/config.yaml" (⏳ <span style="color: #00aa00">8080</span>)
+<span style="color: #5c5cff">┗━━ </span>📓 Configure Proxy Access to the Internet: <span style="color: #ffd700">No proxy</span>
 </pre>
 ### Example 5
 
@@ -280,56 +224,24 @@ Variables:
 
 ```yml
 ---
-proxy_mode: Manual proxy configuration
-manual:
-  http_proxy:
-    address: http.proxy.net
-    port: '3128'
-  use_for_https: false
-  https_proxy:
-    address: https.proxy.net
+proxy_mode: 1
 
 ```
 #### Output
 
 ```console
-foo@bar:~$ git switch --detach v1.1_027
+foo@bar:~$ git switch --detach v1.1_030
 foo@bar:~$ rougail -m firefox/ -u yaml -ff config/05/config.yaml
 ```
 <pre><span style="font-weight: bold; color: #ffff00">🔔 WARNINGS</span>
-<span style="color: #ffff00">┣━━ </span>variable or family "manual.use_for_https" does not exist, it will be ignored when loading from the YAML file "config/05/config.yaml"
-<span style="color: #ffff00">┗━━ </span>variable or family "manual.https_proxy" does not exist, it will be ignored when loading from the YAML file "config/05/config.yaml"
-╭────────────── Caption ───────────────╮
-│ Variable Modified value              │
-│          (<span style="color: #00aa00">⏳ Original default value</span>) │
-╰──────────────────────────────────────╯
+<span style="color: #ffff00">┗━━ </span>the value "1" is an invalid choice for "proxy_mode" (Configure Proxy Access to the Internet), only "Auto-detect proxy settings for this network", "Automatic proxy configuration URL", "Manual proxy 
+<span style="color: #ffff00">    </span>configuration", "No proxy" and "Use system proxy settings" are allowed, it will be ignored when loading from the YAML file "config/05/config.yaml"
+╭─────── Caption ────────╮
+│ Variable <span style="color: #ffd700">Default value</span> │
+╰────────────────────────╯
 Variables:
-<span style="color: #5c5cff">┣━━ </span>📓 Configure Proxy Access to the Internet: Manual proxy configuration ◀ loaded from the YAML file "config/05/config.yaml" (⏳ <span style="color: #00aa00">No proxy</span>)
-<span style="color: #5c5cff">┗━━ </span>📂 Manual proxy configuration
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">┗━━ </span>📂 HTTP Proxy
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">    </span><span style="color: #5c5cff">┣━━ </span>📓 HTTP address: http.proxy.net ◀ loaded from the YAML file "config/05/config.yaml"
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">    </span><span style="color: #5c5cff">┗━━ </span>📓 HTTP Port: 3128 ◀ loaded from the YAML file "config/05/config.yaml" (⏳ <span style="color: #00aa00">8080</span>)
-</pre>
-#### Output in read write mode
-
-```console
-foo@bar:~$ git switch --detach v1.1_027
-foo@bar:~$ rougail -m firefox/ -u yaml -ff config/05/config.yaml --cli.read_write
-```
-<pre><span style="font-weight: bold; color: #ffff00">🔔 WARNINGS</span>
-<span style="color: #ffff00">┣━━ </span>variable or family "manual.use_for_https" does not exist, it will be ignored when loading from the YAML file "config/05/config.yaml"
-<span style="color: #ffff00">┗━━ </span>variable or family "manual.https_proxy" does not exist, it will be ignored when loading from the YAML file "config/05/config.yaml"
-╭────────────── Caption ───────────────╮
-│ Variable Modified value              │
-│          (<span style="color: #00aa00">⏳ Original default value</span>) │
-╰──────────────────────────────────────╯
-Variables:
-<span style="color: #5c5cff">┣━━ </span>📓 Configure Proxy Access to the Internet: Manual proxy configuration ◀ loaded from the YAML file "config/05/config.yaml" (⏳ <span style="color: #00aa00">No proxy</span>)
-<span style="color: #5c5cff">┗━━ </span>📂 Manual proxy configuration
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">┗━━ </span>📂 HTTP Proxy
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">    </span><span style="color: #5c5cff">┣━━ </span>📓 HTTP address: http.proxy.net ◀ loaded from the YAML file "config/05/config.yaml"
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">    </span><span style="color: #5c5cff">┗━━ </span>📓 HTTP Port: 3128 ◀ loaded from the YAML file "config/05/config.yaml" (⏳ <span style="color: #00aa00">8080</span>)
+<span style="color: #5c5cff">┗━━ </span>📓 Configure Proxy Access to the Internet: <span style="color: #ffd700">No proxy</span>
 </pre>
 
 
-- [[tutorial v1.1_030] A variable with type "boolean"](https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_030/README.md) ([diff](https://forge.cloud.silique.fr/stove/rougail-tutorials/compare/v1.1_030~1..v1.1_030))
+- [[tutorial v1.1_031] Copy HTTP manual proxy to HTTPS manual proxy](https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_031/README.md) ([diff](https://forge.cloud.silique.fr/stove/rougail-tutorials/compare/v1.1_031~1..v1.1_031))
diff --git a/config/01/output_rw.html b/config/01/output_rw.html
deleted file mode 100644
index ea9c2266..00000000
--- a/config/01/output_rw.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<pre>╭─────── Caption ────────╮
-│ Variable <span style="color: #ffd700">Default value</span> │
-╰────────────────────────╯
-Variables:
-<span style="color: #5c5cff">┗━━ </span>📓 Configure Proxy Access to the Internet: <span style="color: #ffd700">No proxy</span>
-</pre>
diff --git a/config/02/config.yaml b/config/02/config.yaml
index 74edb225..d9144882 100644
--- a/config/02/config.yaml
+++ b/config/02/config.yaml
@@ -1,2 +1,2 @@
 ---
-proxy_mode: Manual proxy configuration
+proxy_mode: No proxy
diff --git a/config/02/output_ro.html b/config/02/output_ro.html
index ec666c15..b0153620 100644
--- a/config/02/output_ro.html
+++ b/config/02/output_ro.html
@@ -1,6 +1,7 @@
-<pre><span style="font-weight: bold; color: #ff0000">🛑 ERRORS</span>
-<span style="color: #ff0000">┗━━ </span>The following variables are mandatory but have no value:
-<span style="color: #ff0000">    </span><span style="color: #ff0000">┗━━ </span>Manual proxy configuration
-<span style="color: #ff0000">    </span><span style="color: #ff0000">    </span><span style="color: #ff0000">┗━━ </span>HTTP Proxy
-<span style="color: #ff0000">    </span><span style="color: #ff0000">    </span><span style="color: #ff0000">    </span><span style="color: #ff0000">┗━━ </span>HTTP address
+<pre>╭────────────── Caption ───────────────╮
+│ Variable Modified value              │
+│          (<span style="color: #00aa00">⏳ Original default value</span>) │
+╰──────────────────────────────────────╯
+Variables:
+<span style="color: #5c5cff">┗━━ </span>📓 Configure Proxy Access to the Internet: No proxy ◀ loaded from the YAML file "config/02/config.yaml" (⏳ <span style="color: #00aa00">No proxy</span>)
 </pre>
diff --git a/config/02/output_rw.html b/config/02/output_rw.html
deleted file mode 100644
index ec666c15..00000000
--- a/config/02/output_rw.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<pre><span style="font-weight: bold; color: #ff0000">🛑 ERRORS</span>
-<span style="color: #ff0000">┗━━ </span>The following variables are mandatory but have no value:
-<span style="color: #ff0000">    </span><span style="color: #ff0000">┗━━ </span>Manual proxy configuration
-<span style="color: #ff0000">    </span><span style="color: #ff0000">    </span><span style="color: #ff0000">┗━━ </span>HTTP Proxy
-<span style="color: #ff0000">    </span><span style="color: #ff0000">    </span><span style="color: #ff0000">    </span><span style="color: #ff0000">┗━━ </span>HTTP address
-</pre>
diff --git a/config/03/config.yaml b/config/03/config.yaml
index e3db924b..74edb225 100644
--- a/config/03/config.yaml
+++ b/config/03/config.yaml
@@ -1,5 +1,2 @@
 ---
 proxy_mode: Manual proxy configuration
-manual:
-  http_proxy:
-    address: example.net
diff --git a/config/03/output_ro.html b/config/03/output_ro.html
index f89e24f4..ec666c15 100644
--- a/config/03/output_ro.html
+++ b/config/03/output_ro.html
@@ -1,12 +1,6 @@
-<pre>╭────────────── Caption ───────────────╮
-│ Variable <span style="color: #ffd700">Default value</span>               │
-│          Modified value              │
-│          (<span style="color: #00aa00">⏳ Original default value</span>) │
-╰──────────────────────────────────────╯
-Variables:
-<span style="color: #5c5cff">┣━━ </span>📓 Configure Proxy Access to the Internet: Manual proxy configuration ◀ loaded from the YAML file "config/03/config.yaml" (⏳ <span style="color: #00aa00">No proxy</span>)
-<span style="color: #5c5cff">┗━━ </span>📂 Manual proxy configuration
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">┗━━ </span>📂 HTTP Proxy
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">    </span><span style="color: #5c5cff">┣━━ </span>📓 HTTP address: example.net ◀ loaded from the YAML file "config/03/config.yaml"
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">    </span><span style="color: #5c5cff">┗━━ </span>📓 HTTP Port: <span style="color: #ffd700">8080</span>
+<pre><span style="font-weight: bold; color: #ff0000">🛑 ERRORS</span>
+<span style="color: #ff0000">┗━━ </span>The following variables are mandatory but have no value:
+<span style="color: #ff0000">    </span><span style="color: #ff0000">┗━━ </span>Manual proxy configuration
+<span style="color: #ff0000">    </span><span style="color: #ff0000">    </span><span style="color: #ff0000">┗━━ </span>HTTP Proxy
+<span style="color: #ff0000">    </span><span style="color: #ff0000">    </span><span style="color: #ff0000">    </span><span style="color: #ff0000">┗━━ </span>HTTP address
 </pre>
diff --git a/config/03/output_rw.html b/config/03/output_rw.html
deleted file mode 100644
index f89e24f4..00000000
--- a/config/03/output_rw.html
+++ /dev/null
@@ -1,12 +0,0 @@
-<pre>╭────────────── Caption ───────────────╮
-│ Variable <span style="color: #ffd700">Default value</span>               │
-│          Modified value              │
-│          (<span style="color: #00aa00">⏳ Original default value</span>) │
-╰──────────────────────────────────────╯
-Variables:
-<span style="color: #5c5cff">┣━━ </span>📓 Configure Proxy Access to the Internet: Manual proxy configuration ◀ loaded from the YAML file "config/03/config.yaml" (⏳ <span style="color: #00aa00">No proxy</span>)
-<span style="color: #5c5cff">┗━━ </span>📂 Manual proxy configuration
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">┗━━ </span>📂 HTTP Proxy
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">    </span><span style="color: #5c5cff">┣━━ </span>📓 HTTP address: example.net ◀ loaded from the YAML file "config/03/config.yaml"
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">    </span><span style="color: #5c5cff">┗━━ </span>📓 HTTP Port: <span style="color: #ffd700">8080</span>
-</pre>
diff --git a/config/04/config.yaml b/config/04/config.yaml
index c8d73af3..e3fa25da 100644
--- a/config/04/config.yaml
+++ b/config/04/config.yaml
@@ -1,6 +1,2 @@
 ---
-proxy_mode: Manual proxy configuration
-manual:
-  http_proxy:
-    address: example.net
-    port: '3128'
+proxy_mode: foo
diff --git a/config/04/output_ro.html b/config/04/output_ro.html
index 4d0ae5a0..3b735cce 100644
--- a/config/04/output_ro.html
+++ b/config/04/output_ro.html
@@ -1,11 +1,9 @@
-<pre>╭────────────── Caption ───────────────╮
-│ Variable Modified value              │
-│          (<span style="color: #00aa00">⏳ Original default value</span>) │
-╰──────────────────────────────────────╯
+<pre><span style="font-weight: bold; color: #ffff00">🔔 WARNINGS</span>
+<span style="color: #ffff00">┗━━ </span>the value "foo" is an invalid choice for "proxy_mode" (Configure Proxy Access to the Internet), only "Auto-detect proxy settings for this network", "Automatic proxy configuration URL", "Manual proxy 
+<span style="color: #ffff00">    </span>configuration", "No proxy" and "Use system proxy settings" are allowed, it will be ignored when loading from the YAML file "config/04/config.yaml"
+╭─────── Caption ────────╮
+│ Variable <span style="color: #ffd700">Default value</span> │
+╰────────────────────────╯
 Variables:
-<span style="color: #5c5cff">┣━━ </span>📓 Configure Proxy Access to the Internet: Manual proxy configuration ◀ loaded from the YAML file "config/04/config.yaml" (⏳ <span style="color: #00aa00">No proxy</span>)
-<span style="color: #5c5cff">┗━━ </span>📂 Manual proxy configuration
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">┗━━ </span>📂 HTTP Proxy
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">    </span><span style="color: #5c5cff">┣━━ </span>📓 HTTP address: example.net ◀ loaded from the YAML file "config/04/config.yaml"
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">    </span><span style="color: #5c5cff">┗━━ </span>📓 HTTP Port: 3128 ◀ loaded from the YAML file "config/04/config.yaml" (⏳ <span style="color: #00aa00">8080</span>)
+<span style="color: #5c5cff">┗━━ </span>📓 Configure Proxy Access to the Internet: <span style="color: #ffd700">No proxy</span>
 </pre>
diff --git a/config/04/output_rw.html b/config/04/output_rw.html
deleted file mode 100644
index 4d0ae5a0..00000000
--- a/config/04/output_rw.html
+++ /dev/null
@@ -1,11 +0,0 @@
-<pre>╭────────────── Caption ───────────────╮
-│ Variable Modified value              │
-│          (<span style="color: #00aa00">⏳ Original default value</span>) │
-╰──────────────────────────────────────╯
-Variables:
-<span style="color: #5c5cff">┣━━ </span>📓 Configure Proxy Access to the Internet: Manual proxy configuration ◀ loaded from the YAML file "config/04/config.yaml" (⏳ <span style="color: #00aa00">No proxy</span>)
-<span style="color: #5c5cff">┗━━ </span>📂 Manual proxy configuration
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">┗━━ </span>📂 HTTP Proxy
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">    </span><span style="color: #5c5cff">┣━━ </span>📓 HTTP address: example.net ◀ loaded from the YAML file "config/04/config.yaml"
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">    </span><span style="color: #5c5cff">┗━━ </span>📓 HTTP Port: 3128 ◀ loaded from the YAML file "config/04/config.yaml" (⏳ <span style="color: #00aa00">8080</span>)
-</pre>
diff --git a/config/05/config.yaml b/config/05/config.yaml
index 4a1f7890..bf6f64ca 100644
--- a/config/05/config.yaml
+++ b/config/05/config.yaml
@@ -1,9 +1,2 @@
 ---
-proxy_mode: Manual proxy configuration
-manual:
-  http_proxy:
-    address: http.proxy.net
-    port: '3128'
-  use_for_https: false
-  https_proxy:
-    address: https.proxy.net
+proxy_mode: 1
diff --git a/config/05/output_ro.html b/config/05/output_ro.html
index 0438b8ae..21c747f4 100644
--- a/config/05/output_ro.html
+++ b/config/05/output_ro.html
@@ -1,14 +1,9 @@
 <pre><span style="font-weight: bold; color: #ffff00">🔔 WARNINGS</span>
-<span style="color: #ffff00">┣━━ </span>variable or family "manual.use_for_https" does not exist, it will be ignored when loading from the YAML file "config/05/config.yaml"
-<span style="color: #ffff00">┗━━ </span>variable or family "manual.https_proxy" does not exist, it will be ignored when loading from the YAML file "config/05/config.yaml"
-╭────────────── Caption ───────────────╮
-│ Variable Modified value              │
-│          (<span style="color: #00aa00">⏳ Original default value</span>) │
-╰──────────────────────────────────────╯
+<span style="color: #ffff00">┗━━ </span>the value "1" is an invalid choice for "proxy_mode" (Configure Proxy Access to the Internet), only "Auto-detect proxy settings for this network", "Automatic proxy configuration URL", "Manual proxy 
+<span style="color: #ffff00">    </span>configuration", "No proxy" and "Use system proxy settings" are allowed, it will be ignored when loading from the YAML file "config/05/config.yaml"
+╭─────── Caption ────────╮
+│ Variable <span style="color: #ffd700">Default value</span> │
+╰────────────────────────╯
 Variables:
-<span style="color: #5c5cff">┣━━ </span>📓 Configure Proxy Access to the Internet: Manual proxy configuration ◀ loaded from the YAML file "config/05/config.yaml" (⏳ <span style="color: #00aa00">No proxy</span>)
-<span style="color: #5c5cff">┗━━ </span>📂 Manual proxy configuration
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">┗━━ </span>📂 HTTP Proxy
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">    </span><span style="color: #5c5cff">┣━━ </span>📓 HTTP address: http.proxy.net ◀ loaded from the YAML file "config/05/config.yaml"
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">    </span><span style="color: #5c5cff">┗━━ </span>📓 HTTP Port: 3128 ◀ loaded from the YAML file "config/05/config.yaml" (⏳ <span style="color: #00aa00">8080</span>)
+<span style="color: #5c5cff">┗━━ </span>📓 Configure Proxy Access to the Internet: <span style="color: #ffd700">No proxy</span>
 </pre>
diff --git a/config/05/output_rw.html b/config/05/output_rw.html
deleted file mode 100644
index 0438b8ae..00000000
--- a/config/05/output_rw.html
+++ /dev/null
@@ -1,14 +0,0 @@
-<pre><span style="font-weight: bold; color: #ffff00">🔔 WARNINGS</span>
-<span style="color: #ffff00">┣━━ </span>variable or family "manual.use_for_https" does not exist, it will be ignored when loading from the YAML file "config/05/config.yaml"
-<span style="color: #ffff00">┗━━ </span>variable or family "manual.https_proxy" does not exist, it will be ignored when loading from the YAML file "config/05/config.yaml"
-╭────────────── Caption ───────────────╮
-│ Variable Modified value              │
-│          (<span style="color: #00aa00">⏳ Original default value</span>) │
-╰──────────────────────────────────────╯
-Variables:
-<span style="color: #5c5cff">┣━━ </span>📓 Configure Proxy Access to the Internet: Manual proxy configuration ◀ loaded from the YAML file "config/05/config.yaml" (⏳ <span style="color: #00aa00">No proxy</span>)
-<span style="color: #5c5cff">┗━━ </span>📂 Manual proxy configuration
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">┗━━ </span>📂 HTTP Proxy
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">    </span><span style="color: #5c5cff">┣━━ </span>📓 HTTP address: http.proxy.net ◀ loaded from the YAML file "config/05/config.yaml"
-<span style="color: #5c5cff">    </span><span style="color: #5c5cff">    </span><span style="color: #5c5cff">┗━━ </span>📓 HTTP Port: 3128 ◀ loaded from the YAML file "config/05/config.yaml" (⏳ <span style="color: #00aa00">8080</span>)
-</pre>
diff --git a/firefox.png b/firefox.png
index e40ce963..b7ca7aa0 100644
Binary files a/firefox.png and b/firefox.png differ