Update the documentation to add escape parameter warnings

README.md

@@ -51,6 +51,10 @@ composer require league/csv:^9.0
 
 ## Configuration
 
+> [!WARNING]
+> **Starting with PHP8.4 Deprecation notices will be trigger if you do not explicitly use the empty string as the escape parameter.**
+> see [Deprecation for PHP8.4](https://wiki.php.net/rfc/deprecations_php_8_4#deprecate_proprietary_csv_escaping_mechanism) and [CSV and PHP8.4](https://nyamsprod.com/blog/csv-and-php8-4/)
+
 > [!TIP]
 > If your CSV document was created or is read on a **Legacy Macintosh computer**, add the following lines before 
 using the library to help [PHP detect line ending](http://php.net/manual/en/function.fgetcsv.php#refsect1-function.fgetcsv-returnvalues).

docs/9.0/connections/controls.md

@@ -55,7 +55,14 @@ $enclosure = $csv->getEnclosure(); //returns "|"
 
 ## The escape character
 
-This is a PHP specific control character which sometimes interferes with CSV parsing and writing. It is recommended in versions preceding `9.2.0` to never change its default value unless you do understand its usage and its consequences.
+This is a PHP specific control character which sometimes interferes with CSV parsing and writing.
+It is recommended in versions preceding `9.2.0` to never change its default value unless you do understand its usage and its consequences.
+
+<p class="message-warning">Starting with version <code>PHP8.4</code> using this method with
+anything other than the empty string will trigger a <code>PHP deprecation notice!</code>
+see <a href="https://wiki.php.net/rfc/deprecations_php_8_4#deprecate_proprietary_csv_escaping_mechanism">Deprecation for PHP8.4</a> and
+<a href="https://nyamsprod.com/blog/csv-and-php8-4/">CSV and PHP8.4</a> for more information.
+</p>
 
 ### Description
 
@@ -75,9 +82,7 @@ $escape = $csv->getEscape(); //returns "\"
 ```
 
 <p class="message-info">The default escape character is <code>\</code>.</p>
-
 <p class="message-notice">Since version <code>9.2.0</code> you can provide an empty string for the escape character to enable better <a href="https://tools.ietf.org/html/rfc4180">RFC4180</a> compliance.</p>
-
 <p class="message-warning"><code>setEscape</code> will throw a <code>Exception</code> exception if the submitted string length is not equal to <code>1</code> byte or an empty string.</p>
 
 ```php