Fix broken relative links to markup guide

cms/pages.md

@@ -103,7 +103,7 @@ For example, a URL like `/color/:color/make/:make*/edit` will match `/color/brow
 
 ## Dynamic pages
 
-Inside the [Twig section](themes#twig-markup-section) of a page template, you can use any [functions, filters, and tags provided by Winter](../markup). Any dynamic page requires **variables**. In Winter, variables may be prepared by the page, layout [PHP section](themes#php-code-section), or by [Components](../cms/components). In this article, we describe how to prepare variables in the PHP section.
+Inside the [Twig section](themes#twig-markup-section) of a page template, you can use any [functions, filters, and tags provided by Winter](../markup/templating/templating). Any dynamic page requires **variables**. In Winter, variables may be prepared by the page, layout [PHP section](themes#php-code-section), or by [Components](../cms/components). In this article, we describe how to prepare variables in the PHP section.
 
 ### Page execution life cycle
 
@@ -141,7 +141,7 @@ function onStart()
 </ul>
 ```
 
-The default variables and Twig extensions provided by Winter are described in the [Markup Guide](../markup). The sequence that the handlers are executed in is described by the [Dynamic layouts](layouts#dynamic-layouts) article.
+The default variables and Twig extensions provided by Winter are described in the [Markup Guide](../markup/templating/templating). The sequence that the handlers are executed in is described by the [Dynamic layouts](layouts#dynamic-layouts) article.
 
 ### Sending a custom response
 
@@ -165,7 +165,7 @@ public function onStart()
 
 ### Handling forms
 
-You can handle standard forms with handler methods defined in the page or layout [PHP section](themes#php-code-section) (handling the AJAX requests is explained in the [AJAX Framework](../ajax/introduction) article). Use the [`form_open()`](../markup#standard-form) function to define a form that refers to an event handler. Example:
+You can handle standard forms with handler methods defined in the page or layout [PHP section](themes#php-code-section) (handling the AJAX requests is explained in the [AJAX Framework](../ajax/introduction) article). Use the [`form_open()`](../markup/functions/form#form_open) function to define a form that refers to an event handler. Example:
 
 ```twig
 {{ form_open({ request: 'onHandleForm' }) }}

cms/partials.md

@@ -90,7 +90,7 @@ function onStart()
 <h3>{{ hello }}</h3>
 ```
 
-The templating language provided by Winter is described in the [Markup Guide](../markup). The overall sequence the handlers are executed is described in the [Dynamic layouts](layouts#dynamic-layouts) article.
+The templating language provided by Winter is described in the [Markup Guide](../markup/templating/templating). The overall sequence the handlers are executed is described in the [Dynamic layouts](layouts#dynamic-layouts) article.
 
 ### Life cycle limitations
 

cms/themes.md

@@ -175,9 +175,9 @@ echo $this->foo;
 
 ### Twig markup section
 
-The Twig section defines the markup to be rendered by the template. In the Twig section, you can use functions, tags, and filters [provided by Winter](../markup), all the [native Twig features](https://twig.symfony.com/doc/2.x/), or those [provided by plugins](../plugin/registration#extending-twig). The content of the Twig section depends on the template type (page, layout, or partial). You can find more information about specific Twig objects further in the documentation.
+The Twig section defines the markup to be rendered by the template. In the Twig section, you can use functions, tags, and filters [provided by Winter](../markup/templating/templating), all the [native Twig features](https://twig.symfony.com/doc/2.x/), or those [provided by plugins](../plugin/registration#extending-twig). The content of the Twig section depends on the template type (page, layout, or partial). You can find more information about specific Twig objects further in the documentation.
 
-More information can be found [in the Markup guide](../markup).
+More information can be found [in the Markup guide](../markup/templating/templating).
 
 ## Theme Logging
 
@@ -332,7 +332,7 @@ In your templates:
 
 #### Asset Compilation
 
-When using the [asset combiner](../markup/filter/theme#combiner-aliases), child theme assets are resolved first:
+When using the [asset combiner](../markup/filters/theme), child theme assets are resolved first:
 
 ```twig
 {# If custom.css exists in child theme, it will be used; otherwise parent's version #}

services/html.md

@@ -2,7 +2,7 @@
 
 ## Introduction
 
-Winter provides various helpful functions with the `Html` facade, useful for dealing with HTML and forms. While most of the examples will use the PHP language all of these features translate directly to [Twig markup](../markup) with a simple conversion.
+Winter provides various helpful functions with the `Html` facade, useful for dealing with HTML and forms. While most of the examples will use the PHP language all of these features translate directly to [Twig markup](../markup/templating/templating) with a simple conversion.
 
 ```php
 // PHP

services/parser.md

@@ -33,7 +33,7 @@ You may also use the `|md` filter for [parsing Markdown in your frontend markup]
 
 ## Twig template parser
 
-Twig is a simple but powerful template engine that parses HTML templates in to optimized PHP code, it the driving force behind [the frontend markup](../markup), [view content](../services/response-view#views) and [mail message content](../services/mail#message-content).
+Twig is a simple but powerful template engine that parses HTML templates in to optimized PHP code, it the driving force behind [the frontend markup](../markup/templating/templating), [view content](../services/response-view#views) and [mail message content](../services/mail#message-content).
 
 The `Twig` facade is used for parsing Twig syntax, you may use the `Twig::parse` method to render Twig to HTML.
 

themes/development.md

@@ -97,7 +97,7 @@ form:
 
 > **NOTE:** When using a `fileupload` field in your theme, Winter will automatically add the field to an `attachOne` relationship. If you want to use multiple file uploads for a field, add the `multiple: true` option to the field definition. This will instead add the field to an `attachMany` relationship.
 
-The value can then be accessed inside any of the Theme templates using the [default page variable](../markup#default-variables) called `this.theme`.
+The value can then be accessed inside any of the Theme templates using the [default page variable](../markup/this/theme) called `this.theme`.
 
 ```twig
 <h1>Welcome to {{ this.theme.site_name }}!</h1>