CHDK does not support any DSLRs. The DSLR work done in the DSLR sub forum is not CHDK, and does not use CHDK code or support CHDK features.
Any DSLR related questions should be in the DSLR sub-forum, and be addressed to the developers working on the particular DSLR you are interested in.
In theory, there is no reason why DSLRs could not support scripts. Sharing some syntax with CHDK might also be possible, and perhaps even useful.
