Trailing whitespace.

language/oop5/property-hooks.xml

@@ -72,7 +72,7 @@ print $example->foo;
    </para>
    <para>
     The <literal>set</literal> hook additionally allows specifying the type and name of an incoming value,
-    using the same syntax as a method.  The type must be either the same as the type of the property, 
+    using the same syntax as a method.  The type must be either the same as the type of the property,
     or <link linkend="language.oop5.variance.contravariance">contravariant</link> (wider) to it.
     For instance, a property of type <type>string</type> could
     have a <literal>set</literal> hook that accepts <type>string|Stringable</type>,
@@ -81,7 +81,7 @@ print $example->foo;
    <para>
     At least one of the hooks references <code>$this->foo</code>, the property itself. That means
     the property wll be "backed."  When calling <code>$example->foo = 'changed'</code>,
-    the provided string will be first cast to lowercase, then saved to the backing value.  
+    the provided string will be first cast to lowercase, then saved to the backing value.
     When reading from the property, the previously saved value may conditionally be appended
     with additional text.
    </para>
@@ -103,7 +103,7 @@ class Example
 
     public string $foo = 'default value' {
         get => $this->foo . ($this->modified ? ' (modified)' : '');
-        
+
         set(string $value) {
             $this->foo = strtolower($value);
             $this->modified = true;
@@ -118,7 +118,7 @@ class Example
     This example is equivalent to the previous.
    </para>
    <para>
-    If the <literal>set</literal> hook's parameter type is the same as the property type (which is typical), 
+    If the <literal>set</literal> hook's parameter type is the same as the property type (which is typical),
     it may be omitted.  In that case, the value to set is automatically given the name <varname>$value</varname>.
    </para>
    <example>
@@ -132,7 +132,7 @@ class Example
 
     public string $foo = 'default value' {
         get => $this->foo . ($this->modified ? ' (modified)' : '');
-        
+
         set {
             $this->foo = strtolower($value);
             $this->modified = true;
@@ -258,11 +258,11 @@ class Person {
     public string $phone {
         set => $this->sanitizePhone($value);
     }
- 
+
     private function sanitizePhone(string $value): string {
         $value = ltrim($value, '+');
         $value = ltrim($value, '1');
- 
+
         if (!preg_match('/\d\d\d\-\d\d\d\-\d\d\d\d/', $value)) {
             throw new \InvalidArgumentException();
         }