If you do any work on your blog, and the template, eventually you will need to extract gadget source code. The ability to extract source code can be useful in various tasks. Identifying a problem gadget, to others. Publishing a gadget on a separate page, by embedding the code in a page or post. Recovering the content of a deleted gadget. In each case, use of the proper text browser or source listing is where I start.
What Blogger won't tell you