If non-@code{nil}, that means number continuously across print calls.
This affects the numbers printed for @samp{#@var{n}=} labels and
@samp{#@var{m}#} references.
-
Don't set this variable with @code{setq}; you should only bind it
temporarily to @code{t} with @code{let}. When you do that, you should
also bind @code{print-number-table} to @code{nil}.
@end defvar
@defvar float-output-format
-This variable specifies how to print floating point numbers. Its
-default value is @code{nil}, meaning use the shortest output
+This variable specifies how to print floating point numbers. The
+default is @code{nil}, meaning use the shortest output
that represents the number without losing information.
To control output format more precisely, you can put a string in this