He forgot to mention the other half of the pledge which was provided China did not threaten the use of force to take over the island. When the Chinese passed that resolution a few years ago, they did just that.
To me, it looks like Chen has engaged in more brinkmanship behavior over TI than the mainland has done over reunification.
"Show me just what Mohammed brought that was new, and there you will find things only evil and inhuman, such as his command to spread by the sword the faith he preached." - Manuel II Palelologus