Seen on latest master:

1. emacs -Q
2. C-h f json-parse-string RET

*Help* reports the following arglist:

  (json-parse-string &key (OBJECT-TYPE 'hash-table))

despite mention of the positional argument STRING in the rest of the
docstring.

Attached is a doc fix suggestion.

Thanks,

-- 
Basil

In GNU Emacs 27.0.50 (build 3, x86_64-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
 of 2018-01-30 built on thunk
Repository revision: 2b0bcbbaa64f95c14deed89fdf279d8be48ee352
Windowing system distributor 'The X.Org Foundation', version 11.0.11905000
System Description: Debian GNU/Linux buster/sid

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