* eword-decode.el (eword-decode-first-encoded-words): Update DOC-string.

* eword-decode.el (eword-decode-first-encoded-words): Update DOC-string.
(eword-decode-first-encoded-words): Update DOC-string.
(eword-decode-unstructured): Argument `code-conversion' is now required.
(eword-decode-comment): Argument `code-conversion' is now required.
(eword-decode-quoted-string): Argument `code-conversion' is now
required.
(eword-decode-string): Update DOC-string. Reorder arguments to calling
`eword-decode-unstructured'.
(eword-decode-region): Update DOC-string. Reorder arguments to calling
`eword-decode-unstructured'.
(eword-analyze-quoted-string): Add `default-mime-charset' argument to
calling eword-decode-quoted-string.
(eword-analyze-comment): Add `default-mime-charset' argument to
calling eword-decode-comment.