 (say, when including code snippets in your document),
you can use <strong>ESC_CHAR</strong> to make the change permanent
(until you decide to restore the escape character to its default,
the backslash).
</p>

<p>
<strong>ESC_CHAR</strong> with a single character argument
changes the escape character to whatever the argument is.
<strong>ESC_CHAR</strong> with no argument restores the escape
character to the backslash.
</p>

<p>
<strong>Experts</strong>: <strong>ESC_CHAR</strong> is an alias of
<kbd>.ec</kbd