Function: text-scale-min-amount

text-scale-min-amount is a byte-compiled function defined in face-remap.el.gz.

Signature

(text-scale-min-amount)

Documentation

Return the minimum amount of text-scaling we allow.

Source Code

;; Defined in /usr/src/emacs/lisp/face-remap.el.gz
(defun text-scale-min-amount ()
  "Return the minimum amount of text-scaling we allow."
  ;; When the resulting pixel-height of characters will become smaller
  ;; than 1 pixel, we can expect trouble from the display engine.
  ;; E.g., it requires that the character glyph's ascent is
  ;; non-negative.
  (log (/ 1.0 (frame-char-height)) text-scale-mode-step))