diff --git a/README.md b/README.md
index bee13a3c..42e508d4 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_031] A conditional disabled family with a variable](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))
+- [[tutorial v1.1_041] An hidden family](https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_041/README.md) ([diff](https://forge.cloud.silique.fr/stove/rougail-tutorials/compare/v1.1_041~1..v1.1_041))
 
-# [tutorial v1.1_041)] An hidden family
+# [tutorial v1.1_042)] A conditional hidden family with a variable
 
-[View the diff](https://forge.cloud.silique.fr/stove/rougail-tutorials/compare/v1.1_041~1..v1.1_041)
+[View the diff](https://forge.cloud.silique.fr/stove/rougail-tutorials/compare/v1.1_042~1..v1.1_042)
 
 
 ## Screenshot
@@ -78,7 +78,8 @@ manual:
 
   https_proxy:
     description: HTTPS Proxy
-    hidden: true
+    hidden:
+      variable: _.use_for_https
 
     address:
       description: HTTPS address
@@ -96,7 +97,7 @@ manual:
 ### Let's generate the documentation
 
 ```console
-foo@bar:~$ git switch --detach v1.1_041
+foo@bar:~$ git switch --detach v1.1_042
 foo@bar:~$ rougail -m firefox/ -o doc
 ```
 | 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;   | 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;   |
@@ -126,17 +127,33 @@ foo@bar:~$ rougail -m firefox/ -o doc
 |------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | **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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
 
+##### HTTPS Proxy
+
+**manual.https_proxy**
+
+*`hidden`*
+
+**Hidden**: when the variable "manual.use_for_https" has the value "true"
+
+| 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.https_proxy.address**<br/>[`domainname`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `mandatory`                                                                                                                                                                                                                                                                                                                                                                                                                                        | HTTPS address.<br/>**Validator**: the domain name can be an IP                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
+| **manual.https_proxy.port**<br/>[`port`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `mandatory`                                                                                                                                                                                                                                                                                                                                                                                                                                                 | HTTPS 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                                                                                                                                                                                                                                                                                                                                                  |
+
 ### Let's generate the changelog
 
 ```console
-foo@bar:~$ git switch --detach v1.1_041
+foo@bar:~$ git switch --detach v1.1_042
 foo@bar:~$ rougail -m firefox/ -o doc --doc.contents changelog
 ```
-#### Deleted variables
+#### New variables
+
+| 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.https_proxy.address**<br/>[`domainname`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `mandatory`                                                                                                                                                                                                                                                                                                                                                                                                                                        | HTTPS address.<br/>**Validator**: the domain name can be an IP                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
+| **manual.https_proxy.port**<br/>[`port`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `mandatory`                                                                                                                                                                                                                                                                                                                                                                                                                                                 | HTTPS 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                                                                                                                                                                                                                                                                                                                                                  |
 
 
-- manual.https_proxy.address
-- manual.https_proxy.port
 ## User datas
 
 ### Example 1
@@ -151,7 +168,7 @@ foo@bar:~$ rougail -m firefox/ -o doc --doc.contents changelog
 #### Output
 
 ```console
-foo@bar:~$ git switch --detach v1.1_041
+foo@bar:~$ git switch --detach v1.1_042
 foo@bar:~$ rougail -m firefox/ -u yaml -ff config/01/config.yaml
 ```
 <pre>╭─────── Caption ────────╮
@@ -173,7 +190,7 @@ proxy_mode: No proxy
 #### Output
 
 ```console
-foo@bar:~$ git switch --detach v1.1_041
+foo@bar:~$ git switch --detach v1.1_042
 foo@bar:~$ rougail -m firefox/ -u yaml -ff config/02/config.yaml
 ```
 <pre>╭────────────── Caption ───────────────╮
@@ -196,7 +213,7 @@ proxy_mode: Manual proxy configuration
 #### Output
 
 ```console
-foo@bar:~$ git switch --detach v1.1_041
+foo@bar:~$ git switch --detach v1.1_042
 foo@bar:~$ rougail -m firefox/ -u yaml -ff config/03/config.yaml
 ```
 <pre><span style="font-weight: bold; color: #ff0000">🛑 ERRORS</span>
@@ -218,7 +235,7 @@ proxy_mode: foo
 #### Output
 
 ```console
-foo@bar:~$ git switch --detach v1.1_041
+foo@bar:~$ git switch --detach v1.1_042
 foo@bar:~$ rougail -m firefox/ -u yaml -ff config/04/config.yaml
 ```
 <pre><span style="font-weight: bold; color: #ffff00">🔔 WARNINGS</span>
@@ -243,7 +260,7 @@ proxy_mode: 1
 #### Output
 
 ```console
-foo@bar:~$ git switch --detach v1.1_041
+foo@bar:~$ git switch --detach v1.1_042
 foo@bar:~$ rougail -m firefox/ -u yaml -ff config/05/config.yaml
 ```
 <pre><span style="font-weight: bold; color: #ffff00">🔔 WARNINGS</span>
@@ -257,4 +274,4 @@ Variables:
 </pre>
 
 
-- [[tutorial v1.1_042] A conditional hidden family with a variable](https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_042/README.md) ([diff](https://forge.cloud.silique.fr/stove/rougail-tutorials/compare/v1.1_042~1..v1.1_042))
+- [[tutorial v1.1_043] A calculated default value](https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_043/README.md) ([diff](https://forge.cloud.silique.fr/stove/rougail-tutorials/compare/v1.1_043~1..v1.1_043))
