Andrew Plotkin on some of the design of Inform 7, and rule-based programming as it applies to IF. Long story short: everything is exceptional, and designing systems to support the kind of stories IF authors want to tell is hard.

"Flickcurl is a C library for the Flickr API, handling creating the requests, signing, token management, calling the API, marshalling request parameters and decoding responses. It uses libcurl to call the REST web service and libxml2 to manipulate the XML responses." I did not know about this, but it looks nifty. Now, to compile it on OSX…