mm-add-meta-html-tag

mm-add-meta-html-tag is a compiled Lisp function in `mm-decode.el'.

(mm-add-meta-html-tag HANDLE &optional CHARSET FORCE-CHARSET)

Add meta html tag to specify CHARSET of HANDLE in the current buffer.
CHARSET defaults to the one HANDLE specifies. Existing meta tag that
specifies charset will not be modified unless FORCE-CHARSET is non-nil.
Return t if meta tag is added or replaced.