Editing a Draft
===============
There are several variables used during the draft editing phase.
Examples include changing the name of the file that holds your signature
or telling mh-e about new multimedia types. They are:
`mh-yank-from-start-of-msg'
How to yank when region not set (default: `t').
`mh-ins-buf-prefix'
Indent for yanked messages (default: `"> "').
`mail-citation-hook'
Functions to run on yanked messages (default: `nil').
`mh-delete-yanked-msg-window'
Delete message window on yank (default: `nil').
`mh-mime-content-types'
List of valid content types (default: `'(("text/plain")
("text/richtext") ("multipart/mixed") ("multipart/alternative")
("multipart/digest") ("multipart/parallel") ("message/rfc822")
("message/partial") ("message/external-body")
("application/octet-stream") ("application/postscript")
("image/jpeg") ("image/gif") ("audio/basic") ("video/mpeg"))').
`mh-mhn-args'
Additional arguments for `mhn' (default: `nil').
`mh-signature-file-name'
File containing signature (default: `"~/.signature"').
`mh-before-send-letter-hook'
Functions to run before sending draft (default: `nil').
`mh-send-prog'
MH program used to send messages (default: `"send"').