Can somebody take a look at CombineFileFormat for 0.20?

[Zheng Shao]

It's fixed in trunk but not hadoop 0.20.
https://issues.apache.org/jira/browse/MAPREDUCE-1112

Please review/commit to branch 0.20 (and it will be great for yahoo's 0.20 and 
cloudera's 0.20 as well)

Thanks,
Zheng