Add illustration to valid names

docs/UserGuide.md

@@ -494,7 +494,7 @@ Therefore, edit the data file only if you are confident that you can update it c
 
 Attribute | Prefix | Restrictions | Examples
 ----------|--------|--------------|---------------------
-Name[^1] | n/ | Case-sensitive.<br>Only alphanumeric characters allowed. Spaces are only allowed between alphanumeric characters. | `alex yeoh`, `Bernice Yu`, `test1`
+Name[^1] | n/ | Case-sensitive.<br>Only alphanumeric characters allowed. Spaces are only allowed between alphanumeric characters.<br>Values including non-alphanumeric characters are considered invalid. If a person's name includes special character (characters not included in modern English) like arabic characters (such as أ, ب, ت, etc.), it should be latinized first. | `alex yeoh`, `Bernice Yu`, `test1`
 Phone Number[^1] | p/ | Numeric digits only, no special characters, at least 3 digits long. | `123`, `88888888, 12345678`
 Email[^1] | e/ | Valid email of the format `local-part@domain`.<br>1. `local-part` should only contain alphanumeric characters and the special characters `+_.-`<br>2. `local-part` may not start or end with any special characters.<br>3. `local-part` must be followed by exactly one `@` and then a `domain` name.<br>4. `domain` must be made up of at least 2 `domain` labels separated by periods.<br>5. Each `domain` name must be at least 2 alphanumeric characters long.<br>6. Each `domain` name must start and end with alphanumeric characters.<br>7. Each `domain` name can only consist of alphanumeric characters, separated by hyphens, if any. | `[email protected]`, `[email protected]`, `[email protected]`, `[email protected]`
 Module[^1] | m/ | Case-insensitive.<br>Valid module consisting of 2-4 letters, followed by exactly 4 numeric digits, with a suffix that is at most 2 characters long. | `gess1025`, `hsi1000`, `cs2103t`