* cosmetics
* create a new filename (basename) when copying
* fix typo
* mu-cmd-server: don't raise errors on empty lines
* typo
* mu4e-drafts: make the draft file the same as the mu-maildir function generates
* mu4e: hide headers again after (widen)
* mu4e: make mu4e~proc-extract deal witn non-string params
* mu-str: comment-out debug print