While "Bush hid the facts" is the sentence most forwarding around the Internet, the bug does not exclusively occur with that phrase. The bug will manifest itself with many sentences of a particular structure: One word with 4 letters, two or more words with 3 letters, one word with 5 letters. Except for the starting character all the letters must be lower case. Other phrases that will expose the same bug are: "Bill can not dance", "John has the parts", "this app can break", and "Feel the new power".
The bug appears when such a string is entered into Notepad (with no other characters) and then saved as a text file. Upon reloading the file into Notepad the text will be replaced with nine Chinese characters (or squares if the language pack has not been installed).