Enable the Emacs Lisp debugger for errors in the init file.
@item --unibyte
-@cindex unibyte operation
+@cindex unibyte operation, command-line argument
Set up to do almost everything with single-byte buffers and strings.
All buffers and strings are unibyte unless you (or a Lisp program)
-explicitly ask for a multibyte buffer or string. Setting the
-environment variable @env{EMACS_UNIBYTE} has the same effect.
+explicitly ask for a multibyte buffer or string. (Note that when Emacs
+loads Lisp files for runnning, it normally does that in multibyte mode,
+even if @samp{--unibyte} is specified; see @ref{Enabling Multibyte}.)
+Setting the environment variable @env{EMACS_UNIBYTE} has the same
+effect.
@item --multibyte
Inhibit the effect of @env{EMACS_UNIBYTE}, so that Emacs
The name of the Internet domain that the machine running Emacs is
located in. Used by the @sc{gnus} package.
@item EMACS_UNIBYTE
-@cindex unibyte operation
+@cindex unibyte operation, environment variable
Defining this environment variable directs Emacs to do almost everything
with single-byte buffers and strings. It is equivalent to using the
@samp{--unibyte} command-line option on each invocation. @xref{Initial