HTTP questions

While testing recent http-fetch changes with a current checkout of next,
I noticed a couple of things:

- "git push" seems to pass --thin by default to http-push, which
  subsequently barfs because that's not a valid http-push option.
  Should it be?  Should it be silently ignored?  Should git-push not
  default to --thin when pushing with HTTP transport?

- when I clone, http-fetch outputs a whole bunch of 
  "error: Could not read ..." messages - is that expected?

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For a successful technology, reality must take precedence over public
relations, for nature cannot be fooled.