URL links with singlequote (') will be cut

[GoogleCodeExporter]

What steps will reproduce the problem?
1. URL裡如果有單引號(')，link會被單引號切掉。例如
http://en.wikipedia.org/wiki/Euler's_formula
，這種情形在帶有所有格的Wikipedia條目常出現。

What is the expected output? What do you see instead?
Link到http://en.wikipedia.org/wiki/Euler's_formula的網頁，但在這個例��
�會link到http://en.wikipedia.org/wiki/Euler，恰好是另一個不是我們��
�的網頁。

What version of the product are you using? On what operating system?
version 2.4 on Mac OS X 10.6.7.

Please provide any additional information below.

Original issue reported on code.google.com by ryanlei750328 on 22 Jun 2011 at 6:11

[ElvisChiang]

try to use NSDataDetector to fix this, but it's hard to implement in current architecture. won't fix