Variable: message-log-max

message-log-max is a customizable variable defined in xdisp.c.

Value

1000

Documentation

Maximum number of lines to keep in the message log buffer.

If nil, disable message logging. If t, log messages but don't truncate the buffer when it becomes large.

This variable was added, or its default value changed, in Emacs 24.3.

Probably introduced at or before Emacs version 19.29.

Aliases

messages-buffer-max-lines

Source Code

// Defined in /usr/src/emacs/src/xdisp.c
  DEFVAR_LISP ("message-log-max", Vmessage_log_max,
    doc: /* Maximum number of lines to keep in the message log buffer.
If nil, disable message logging.  If t, log messages but don't truncate
the buffer when it becomes large.  */);