Add some space between help text paragraphs via CSS.

modules/ui/location/farm_ui_location.module

@@ -16,7 +16,6 @@ function farm_ui_location_help($route_name, RouteMatchInterface $route_match) {
   // Locations overview help text.
   if ($route_name == 'farm.locations') {
     $output .= '<p>' . t('Locations represent places of interest. They are assets, and assets can be moved to them. Logs can reference them.') . '</p>';
-    $output .= '<p>&nbsp;</p>';
     $output .= '<p>' . t('Locations can be organized into a hierarchy with parent relationships.') . '</p>';
   }
 
@@ -27,7 +26,6 @@ function farm_ui_location_help($route_name, RouteMatchInterface $route_match) {
 
   // Drag and drop help text.
   if (in_array($route_name, ['farm.locations', 'farm.asset.locations'])) {
-    $output .= '<p>&nbsp;</p>';
     $output .= '<p>' . t('To change the hierarchy, either click on individual assets and edit their parent, or click %toggle_button below to enable drag and drop editing on this page. The %save_button button will save changes, and %reset_button will reset them.', ['%toggle_button' => t('Toggle drag and drop'), '%save_button' => t('Save'), '%reset_button' => t('Reset')]) . '</p>';
   }
 

modules/ui/theme/css/help.css

@@ -0,0 +1,3 @@
+.help .block-help-block p {
+  margin-bottom: 1em;
+}

modules/ui/theme/farm_ui_theme.libraries.yml

@@ -6,6 +6,10 @@ footer:
   css:
     theme:
       css/footer.css: { }
+help:
+  css:
+    theme:
+      css/help.css: { }
 map:
   css:
     theme:

modules/ui/theme/farm_ui_theme.module

@@ -16,6 +16,15 @@ function farm_ui_theme_element_info_alter(array &$info) {
   }
 }
 
+/**
+ * Implements hook_preprocess_HOOK().
+ */
+function farm_ui_theme_preprocess_block(&$variables) {
+  if ($variables['plugin_id'] == 'help_block') {
+    $variables['#attached']['library'][] = 'farm_ui_theme/help';
+  }
+}
+
 /**
  * Implements hook_preprocess_HOOK().
  */