docs: change TOC depth 2 or more

kenjis · kenjis · commit 0924a0c965dc · 2021-12-16T11:26:09.000+09:00
diff --git a/user_guide_src/source/changelogs/v4.1.5.rst b/user_guide_src/source/changelogs/v4.1.5.rst
@@ -7,7 +7,7 @@ Release Date: November 8, 2021
 
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 BREAKING
 ========
diff --git a/user_guide_src/source/dbmgmt/migration.rst b/user_guide_src/source/dbmgmt/migration.rst
@@ -15,7 +15,8 @@ state. You can also use ``$migration->setNamespace(null)->latest()`` to
 include migrations from all namespaces.
 
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 ********************
 Migration file names
diff --git a/user_guide_src/source/helpers/array_helper.rst b/user_guide_src/source/helpers/array_helper.rst
@@ -7,6 +7,7 @@ any of the existing functionality that PHP provides - unless it is to vastly sim
 
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 Loading this Helper
 ===================
diff --git a/user_guide_src/source/helpers/cookie_helper.rst b/user_guide_src/source/helpers/cookie_helper.rst
@@ -6,7 +6,8 @@ The Cookie Helper file contains functions that assist in working with
 cookies.
 
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 Loading this Helper
 ===================
diff --git a/user_guide_src/source/helpers/date_helper.rst b/user_guide_src/source/helpers/date_helper.rst
@@ -6,7 +6,8 @@ The Date Helper file contains functions that assist in working with
 dates.
 
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 Loading this Helper
 ===================
diff --git a/user_guide_src/source/helpers/filesystem_helper.rst b/user_guide_src/source/helpers/filesystem_helper.rst
@@ -6,7 +6,8 @@ The Directory Helper file contains functions that assist in working with
 directories.
 
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 Loading this Helper
 ===================
diff --git a/user_guide_src/source/helpers/form_helper.rst b/user_guide_src/source/helpers/form_helper.rst
@@ -6,7 +6,8 @@ The Form Helper file contains functions that assist in working with
 forms.
 
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 Loading this Helper
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diff --git a/user_guide_src/source/helpers/html_helper.rst b/user_guide_src/source/helpers/html_helper.rst
@@ -7,6 +7,7 @@ HTML.
 
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 Loading this Helper
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diff --git a/user_guide_src/source/helpers/inflector_helper.rst b/user_guide_src/source/helpers/inflector_helper.rst
@@ -6,7 +6,8 @@ The Inflector Helper file contains functions that permit you to change
 **English** words to plural, singular, camel case, etc.
 
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 Loading this Helper
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diff --git a/user_guide_src/source/helpers/number_helper.rst b/user_guide_src/source/helpers/number_helper.rst
@@ -6,7 +6,8 @@ The Number Helper file contains functions that help you work with
 numeric data in a locale-aware manner.
 
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 Loading this Helper
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diff --git a/user_guide_src/source/helpers/security_helper.rst b/user_guide_src/source/helpers/security_helper.rst
@@ -5,7 +5,8 @@ Security Helper
 The Security Helper file contains security related functions.
 
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 Loading this Helper
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diff --git a/user_guide_src/source/helpers/test_helper.rst b/user_guide_src/source/helpers/test_helper.rst
@@ -5,7 +5,8 @@ Test Helper
 The Test Helper file contains functions that assist in testing your project.
 
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 Loading this Helper
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diff --git a/user_guide_src/source/helpers/text_helper.rst b/user_guide_src/source/helpers/text_helper.rst
@@ -5,7 +5,8 @@ Text Helper
 The Text Helper file contains functions that assist in working with Text.
 
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 Loading this Helper
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diff --git a/user_guide_src/source/helpers/url_helper.rst b/user_guide_src/source/helpers/url_helper.rst
@@ -5,7 +5,8 @@ URL Helper
 The URL Helper file contains functions that assist in working with URLs.
 
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 Loading this Helper
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diff --git a/user_guide_src/source/helpers/xml_helper.rst b/user_guide_src/source/helpers/xml_helper.rst
@@ -6,7 +6,8 @@ The XML Helper file contains functions that assist in working with XML
 data.
 
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 Loading this Helper
 ===================
diff --git a/user_guide_src/source/installation/installing_composer.rst b/user_guide_src/source/installation/installing_composer.rst
@@ -3,7 +3,7 @@ Composer Installation
 
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 Composer can be used in several ways to install CodeIgniter4 on your system.
 
diff --git a/user_guide_src/source/installation/installing_manual.rst b/user_guide_src/source/installation/installing_manual.rst
@@ -1,6 +1,10 @@
 Manual Installation
 ###################
 
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+
 The `CodeIgniter 4 framework <https://github.com/codeigniter4/framework>`_
 repository holds the released versions of the framework.
 It is intended for developers who do not wish to use Composer.
diff --git a/user_guide_src/source/installation/running.rst b/user_guide_src/source/installation/running.rst
@@ -3,7 +3,7 @@ Running Your App
 
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 A CodeIgniter 4 app can be run in a number of different ways: hosted on a web server,
 using virtualization, or using CodeIgniter’s command line tool for testing.
diff --git a/user_guide_src/source/installation/upgrade_415.rst b/user_guide_src/source/installation/upgrade_415.rst
@@ -4,7 +4,7 @@ Upgrading from 4.1.4 to 4.1.5
 
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 Breaking Changes
 ================
diff --git a/user_guide_src/source/installation/upgrade_configuration.rst b/user_guide_src/source/installation/upgrade_configuration.rst
@@ -3,7 +3,7 @@ Upgrade Configuration
 
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 Documentations
 ==============
diff --git a/user_guide_src/source/installation/upgrade_controllers.rst b/user_guide_src/source/installation/upgrade_controllers.rst
@@ -3,7 +3,7 @@ Upgrade Controllers
 
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 Documentations
 ==============
diff --git a/user_guide_src/source/installation/upgrade_database.rst b/user_guide_src/source/installation/upgrade_database.rst
@@ -3,7 +3,7 @@ Upgrade Database
 
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 Documentations
diff --git a/user_guide_src/source/installation/upgrade_emails.rst b/user_guide_src/source/installation/upgrade_emails.rst
@@ -3,7 +3,7 @@ Upgrade Emails
 
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 Documentations
diff --git a/user_guide_src/source/installation/upgrade_encryption.rst b/user_guide_src/source/installation/upgrade_encryption.rst
@@ -3,7 +3,7 @@ Upgrade Encryption
 
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 Documentations
diff --git a/user_guide_src/source/installation/upgrade_file_upload.rst b/user_guide_src/source/installation/upgrade_file_upload.rst
@@ -3,7 +3,7 @@ Upgrade Working with Uploaded Files
 
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 Documentations
diff --git a/user_guide_src/source/installation/upgrade_html_tables.rst b/user_guide_src/source/installation/upgrade_html_tables.rst
@@ -3,7 +3,7 @@ Upgrade HTML Tables
 
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 Documentations
diff --git a/user_guide_src/source/installation/upgrade_localization.rst b/user_guide_src/source/installation/upgrade_localization.rst
@@ -3,7 +3,7 @@ Upgrade Localization
 
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 Documentations
diff --git a/user_guide_src/source/installation/upgrade_migrations.rst b/user_guide_src/source/installation/upgrade_migrations.rst
@@ -3,7 +3,7 @@ Upgrade Migrations
 
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 Documentations
 ==============
diff --git a/user_guide_src/source/installation/upgrade_models.rst b/user_guide_src/source/installation/upgrade_models.rst
@@ -3,7 +3,7 @@ Upgrade Models
 
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 Documentations
 ==============
diff --git a/user_guide_src/source/installation/upgrade_pagination.rst b/user_guide_src/source/installation/upgrade_pagination.rst
@@ -3,7 +3,7 @@ Upgrade Pagination
 
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 Documentations
diff --git a/user_guide_src/source/installation/upgrade_responses.rst b/user_guide_src/source/installation/upgrade_responses.rst
@@ -3,7 +3,7 @@ Upgrade HTTP Responses
 
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 Documentations
diff --git a/user_guide_src/source/installation/upgrade_routing.rst b/user_guide_src/source/installation/upgrade_routing.rst
@@ -3,7 +3,7 @@ Upgrade Routing
 
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 Documentations
diff --git a/user_guide_src/source/installation/upgrade_security.rst b/user_guide_src/source/installation/upgrade_security.rst
@@ -3,7 +3,7 @@ Upgrade Security
 
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 Documentations
diff --git a/user_guide_src/source/installation/upgrade_sessions.rst b/user_guide_src/source/installation/upgrade_sessions.rst
@@ -3,7 +3,7 @@ Upgrade Sessions
 
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 Documentations
diff --git a/user_guide_src/source/installation/upgrade_validations.rst b/user_guide_src/source/installation/upgrade_validations.rst
@@ -3,7 +3,7 @@ Upgrade Validations
 
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 Documentations of Library
diff --git a/user_guide_src/source/installation/upgrade_view_parser.rst b/user_guide_src/source/installation/upgrade_view_parser.rst
@@ -3,7 +3,7 @@ Upgrade View Parser
 
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 Documentations
diff --git a/user_guide_src/source/installation/upgrade_views.rst b/user_guide_src/source/installation/upgrade_views.rst
@@ -3,7 +3,7 @@ Upgrade Views
 
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 Documentations
 ==============
diff --git a/user_guide_src/source/libraries/encryption.rst b/user_guide_src/source/libraries/encryption.rst
@@ -31,7 +31,8 @@ A more comprehensive package like `Halite <https://github.com/paragonie/halite>`
     been deprecated as of PHP 7.2.
 
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 .. _usage:
 
diff --git a/user_guide_src/source/libraries/time.rst b/user_guide_src/source/libraries/time.rst
@@ -11,7 +11,7 @@ is the ``Time`` class and lives in the ``CodeIgniter\I18n`` namespace.
 
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 =============
 Instantiating
diff --git a/user_guide_src/source/outgoing/table.rst b/user_guide_src/source/outgoing/table.rst
@@ -6,7 +6,8 @@ The Table Class provides methods that enable you to auto-generate HTML
 tables from arrays or database result sets.
 
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 *********************
 Using the Table Class
diff --git a/user_guide_src/source/testing/mocking.rst b/user_guide_src/source/testing/mocking.rst
@@ -9,7 +9,7 @@ emails were sent correctly, etc.
 
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 Cache
 =====
