I understand that start/end tag support is not yet part of codestriker. Currently, the diff is to be taken manually and uploaded when creating topic.
Any idea if this feature is to be implemented in near future?
If not, I thought of working on this. Where can I get help on functionality of all SUBs defined in perl modules? (What sub does what and what sub to be implemented and the like...)
Have a look at the Cvs.pm and Subversion.pm repository modules. You need to implement the getDiff() method. The retrieve() method is used when a user clicks on a "Parallel" link, so you don't need to worry about that one in this case.