Function: size-indication-mode

Toggle buffer size display in the mode line (Size Indication mode).
With a prefix argument ARG, enable Size Indication mode if ARG is
positive, and disable it otherwise.

If called from Lisp, enable the mode if ARG is omitted or nil.

Variable: size-indication-mode

Non-nil if Size-Indication mode is enabled.
See the command `size-indication-mode' for a description of this minor mode.