Function: mh-letter-truncate-header-field
mh-letter-truncate-header-field is a byte-compiled function defined in
mh-utils.el.gz.
Signature
(mh-letter-truncate-header-field END)
Documentation
Replace text from current line till END with an ellipsis.
If the current line is too long truncate a part of it as well.
Source Code
;; Defined in /usr/src/emacs/lisp/mh-e/mh-utils.el.gz
(defun mh-letter-truncate-header-field (end)
"Replace text from current line till END with an ellipsis.
If the current line is too long truncate a part of it as well."
(let ((max-len (min (window-width) 62)))
(when (> (+ (current-column) 4) max-len)
(backward-char (- (+ (current-column) 5) max-len)))
(when (> end (point))
(add-text-properties (point) end '(invisible vanish)))))