Merge pull request #16 from froschdesign/hotfix/docs/markdown-cleanup

Fixes Markdown problems in documentation files

docs/book/cookbook/mvc-sitemap.md

@@ -107,6 +107,7 @@ class SitemapMiddlewareFactory
 To [register the middleware](https://docs.laminas.dev/laminas-mvc-middleware/intro/#mapping-routes-to-middleware) for the application and to [create the route](https://docs.laminas.dev/laminas-mvc/quick-start/#create-a-route), extend the configuration of the module.
 Add the following lines to the module configuration file, e.g. `module/Application/config/module.config.php`:
 
+<!-- markdownlint-disable MD033 -->
 <pre class="language-php" data-line="8-9,14-23"><code>
 namespace Application;
 
@@ -137,6 +138,7 @@ return [
     // …
 ];
 </code></pre>
+<!-- markdownlint-restore -->
 
 ## Render Sitemap
 
@@ -174,8 +176,8 @@ Output:
 This all works with a [_classic_ controller](https://docs.laminas.dev/laminas-mvc/quick-start/#create-a-controller) as well.
 The Sitemap helper already creates all the XML content, so the rendering of the view layer can be also omitted here:
 
-* Get the response object of the controller 
-* Set the HTTP header for XML content 
+* Get the response object of the controller
+* Set the HTTP header for XML content
 * Set the rendered sitemap as content
 * Return the response object for controller action
 

docs/book/helpers/intro.md

@@ -28,7 +28,7 @@ Method signature                                                       | Descrip
 `hasContainer() : bool`                                                | Is any navigation container currently registered?
 `setContainer(AbstractContainer $container) : self`                    | Set a navigation container.
 `getTranslator() : null\|Laminas\I18n\Translator\TranslatorInterface`     | Retrieve the current translator instance, if any.
-`setTranslator(Laminas\I18n\Translator\TranslatorInterface`) : self`      | Set a translator instance to use with labels.
+`setTranslator(Laminas\I18n\Translator\TranslatorInterface) : self`      | Set a translator instance to use with labels.
 `hasTranslator() : bool`                                               | Is a translator instance present?
 `isTranslatorEnabled() : bool`                                         | Should translation occur? To be `true`, both the flag enabling translation must be set, and a translator instance present.
 `setTranslatorEnabled(bool $flag) : self`                              | Set the flag indicating whether or not translation should occur.
@@ -66,7 +66,7 @@ Method signature                                                             | D
 If a container is not explicitly set, the helper will create an empty
 `Laminas\Navigation\Navigation` container when calling `$helper->getContainer()`.
 
-### Proxying calls to the navigation container
+## Proxying calls to the navigation container
 
 Navigation view helpers use the magic method `__call()` to proxy method calls to
 the navigation container that is registered in the view helper.

docs/book/helpers/links.md

@@ -13,6 +13,8 @@ be either `rel` or `rev`. Most methods also take a `$type` param, which is used
 for specifying the link type (e.g. `alternate`, `start`, `next`, `prev`,
 `chapter`, etc).
 
+## Managing Relationships within the Helper
+
 Relationships can be added to page objects manually, or found by traversing the
 container registered in the helper. The method `findRelation($page, $rel,
 $type)` will first try to find the given `$rel` of `$type` from the `$page` by

docs/book/helpers/menu.md

@@ -32,7 +32,6 @@ Option name        | Description
 `onlyActiveBranch` | Whether only active branch should be rendered. Expects a `boolean` value.
 `renderParents`    | Whether parents should be rendered if only rendering active branch. Expects a `boolean` value.
 
-
 ## Basic usage
 
 This example shows how to render a menu from a container registered/found in the

docs/book/helpers/sitemap.md

@@ -8,7 +8,7 @@ By default, the sitemap helper uses [sitemap validators](https://github.com/lami
 to validate each element that is rendered. This can be disabled by calling
 `$helper->setUseSitemapValidators(false)`.
 
-### Sitemap XML elements
+## Sitemap XML elements
 
 Element    | Type   | Description
 ---------- | ------ | -----------