franckcuny/plack-middleware-etag — pull request #2 by shumphrey (2012-10-17 08:34:14+00:00)
Title: Stop ETag from producing its own error when content is not an arrayref

Currently, when for whatever reason the psgi app does not return an arrayref for its content, you get an ETag error.
This can lead to confusion when the error is probably from the psgi app itself.