This library provides a global mode which displays form feed characters as horizontal rules. Install from Melpa or Marmalade, or add to `load-path' and use (require 'page-break-lines). Use `page-break-lines-mode' to enable the mode in specific buffers, or customize `page-break-lines-modes' and enable the mode globally with `global-page-break-lines-mode'. Issues and limitations: If `page-break-lines-char' is displayed at a different width to regular characters, the rule may be either too short or too long: rules may then wrap if `truncate-lines' is nil. On some systems, Emacs may erroneously choose a different font for the page break symbol, which choice can be overridden using code such as: (set-fontset-font "fontset-default" (cons page-break-lines-char page-break-lines-char) (face-attribute 'default :family)) Use `describe-char' on a page break char to determine whether this is the case. Additionally, the use of `text-scale-increase' or `text-scale-decrease' will cause the rule width to be incorrect, because the reported window width (in characters) will continue to be the width in the frame's default font, not the scaled font used to display the rule. Adapted from code http://www.emacswiki.org/emacs/PageBreaks