Issue #2091345 by batigolix, petropo, jover: Update hook_help for Number module

core/modules/number/number.module

@@ -13,7 +13,14 @@ function number_help($path, $arg) {
     case 'admin/help#number':
       $output = '';
       $output .= '<h3>' . t('About') . '</h3>';
-      $output .= '<p>' . t('The Number module defines various numeric field types for the Field module. Numbers can be in integer, decimal, or floating-point form, and they can be formatted when displayed. Number fields can be limited to a specific set of input values or to a range of values. See the <a href="@field-help">Field module help page</a> for more information about fields.', array('@field-help' => url('admin/help/field'))) . '</p>';
+      $output .= '<p>' . t('The Number module allows you to create fields that contain various types of numeric data. See the <a href="!field">Field module help</a> and the <a href="!field_ui">Field UI help</a> pages for general information on fields and how to create and manage them. For more information, see the <a href="!number_do">online documentation for the Number module</a>.', array('!field' => \Drupal::url('help.page', array('name' => 'field')), '!field_ui' => \Drupal::url('help.page', array('name' => 'field_ui')), '!number_do' => 'https://drupal.org/documentation/modules/number')) . '</p>';
+      $output .= '<h3>' . t('Uses') . '</h3>';
+      $output .= '<dl>';
+      $output .= '<dt>' . t('Managing and displaying number fields') . '</dt>';
+      $output .= '<dd>' . t('The <em>settings</em> and the <em>display</em> of the number fields can be configured separately. See the <a href="!field_ui">Field UI help</a> for more information on how to manage fields and their display.', array('!field_ui' => \Drupal::url('help.page', array('name' => 'field_ui')))) . '</dd>';
+      $output .= '<dt>' . t('Choosing number field type') . '</dt>';
+      $output .= '<dd>' . t('When you add a number field you can choose from three types: <em>decimal</em>, <em>float</em>, or <em>integer</em>. The <em>decimal</em> number field type allows users to enter exact decimal values. The <em>float</em> number field type allows users to enter approximate decimal values. The <em>integer</em> number field type allows users to enter whole numbers, such as years (for example, 2012) or values (for example, 1, 2, 5, 305). It does not allow decimals.') . '</dd>';
+      $output .= '</dl>';
       return $output;
   }
 }