spec 的所有版本
自從 October 21, 2011 以來，有 15 個版本:
- 5.3.4 April 23, 2014 (70.5 KB)
- 5.3.3 April 21, 2014 (63.5 KB)
- 5.0.19 August 19, 2013 (66.5 KB)
- 5.0.18 August 13, 2013 (66.0 KB)
- 5.0.17 August 13, 2013 (66.0 KB)
- 5.0.16 August 10, 2013 (65.5 KB)
- 5.0.15 August 07, 2013 (65.0 KB)
- 5.0.14 August 07, 2013 (65.0 KB)
- 5.0.13 August 07, 2013 (65.0 KB) 已被移除
- 5.0.12 August 05, 2013 (65.0 KB) 已被移除
- 5.0.11 August 05, 2013 (64.0 KB) 已被移除
- 5.0.10 July 29, 2013 (61.0 KB) 已被移除
- 5.0.9 July 29, 2013 (60.5 KB) 已被移除
- 5.0.8 July 29, 2013 (60.5 KB) 已被移除
- 0.0.0 October 21, 2011 (3.0 KB) 已被移除