fix prevent-fetch docs

Squashed commit of the following:

commit 9812373
Author: Slava Leleka <[email protected]>
Date:   Wed Apr 27 19:28:39 2022 +0300

    fix prevent-fetch docs

src/scriptlets/prevent-fetch.js

@@ -44,31 +44,34 @@ import {
  * which is useful for debugging but permitted for production filter lists.
  *
  * **Examples**
- * 1. Prevent all fetch calls
+ * 1. Log all fetch calls
  *     ```
  *     example.org#%#//scriptlet('prevent-fetch')
- *     OR
+ *     ```
+ *
+ * 2. Prevent all fetch calls
+ *     ```
  *     example.org#%#//scriptlet('prevent-fetch', '*')
  *     OR
  *     example.org#%#//scriptlet('prevent-fetch', '')
  *     ```
  *
- * 2. Prevent fetch call for specific url
+ * 3. Prevent fetch call for specific url
  *     ```
  *     example.org#%#//scriptlet('prevent-fetch', '/url\\.part/')
  *     ```
  *
- * 3. Prevent fetch call for specific request method
+ * 4. Prevent fetch call for specific request method
  *     ```
  *     example.org#%#//scriptlet('prevent-fetch', 'method:HEAD')
  *     ```
  *
- * 4. Prevent fetch call for specific url and request method
+ * 5. Prevent fetch call for specific url and request method
  *     ```
  *     example.org#%#//scriptlet('prevent-fetch', '/specified_url_part/ method:/HEAD|GET/')
  *     ```
  *
- * 5. Prevent fetch call and specify response body value
+ * 6. Prevent fetch call and specify response body value
  *     ```
  *     ! Specify response body for fetch call to a specific url
  *     example.org#%#//scriptlet('prevent-fetch', '/specified_url_part/ method:/HEAD|GET/', 'emptyArr')

wiki/about-scriptlets.md

@@ -759,31 +759,34 @@ example.org#%#//scriptlet('prevent-fetch'[, propsToMatch[, responseBody]])
 which is useful for debugging but permitted for production filter lists.
 
 **Examples**
-1. Prevent all fetch calls
+1. Log all fetch calls
     ```
     example.org#%#//scriptlet('prevent-fetch')
-    OR
+    ```
+
+2. Prevent all fetch calls
+    ```
     example.org#%#//scriptlet('prevent-fetch', '*')
     OR
     example.org#%#//scriptlet('prevent-fetch', '')
     ```
 
-2. Prevent fetch call for specific url
+3. Prevent fetch call for specific url
     ```
     example.org#%#//scriptlet('prevent-fetch', '/url\\.part/')
     ```
 
-3. Prevent fetch call for specific request method
+4. Prevent fetch call for specific request method
     ```
     example.org#%#//scriptlet('prevent-fetch', 'method:HEAD')
     ```
 
-4. Prevent fetch call for specific url and request method
+5. Prevent fetch call for specific url and request method
     ```
     example.org#%#//scriptlet('prevent-fetch', '/specified_url_part/ method:/HEAD|GET/')
     ```
 
-5. Prevent fetch call and specify response body value
+6. Prevent fetch call and specify response body value
     ```
     ! Specify response body for fetch call to a specific url
     example.org#%#//scriptlet('prevent-fetch', '/specified_url_part/ method:/HEAD|GET/', 'emptyArr')