(defvar notmuch-show-signature-lines-max 12
"Maximum length of signature that will be hidden by default.")
-(defvar notmuch-show-citation-lines-prefix 4
+(defvar notmuch-show-citation-lines-prefix 3
"Always show at least this many lines at the start of a citation.
If there is one more line than the sum of
`notmuch-show-citation-lines-suffix', show that, otherwise
collapse remaining lines into a button.")
-(defvar notmuch-show-citation-lines-suffix 0
+(defvar notmuch-show-citation-lines-suffix 3
"Always show at least this many lines at the end of a citation.
If there is one more line than the sum of