<dt id="option_indentWithTabs"><code><strong>indentWithTabs</strong>: boolean</code></dt>
<dd>Whether, when indenting, the first N*<code>tabSize</code>
spaces should be replaced by N tabs. Default is false.</dd>
<dt id="option_electricChars"><code><strong>electricChars</strong>: boolean</code></dt>
<dd>Configures whether the editor should re-indent the current
line when a character is typed that might change its proper
indentation (only works if the mode supports indentation).
<dt id="option_specialChars"><code><strong>specialChars</strong>: RegExp</code></dt>
<dd>A regular expression used to determine which characters
special <a href="#option_specialCharPlaceholder">placeholder</a>.
Mostly useful for non-printing special characters. The default
is <code>/[\u0000-\u0019\u00ad\u200b\u2028\u2029\ufeff]/</code>.</dd>
<dt id="option_specialCharPlaceholder"><code><strong>specialCharPlaceholder</strong>: function(char) → Element</code></dt>
<dd>A function that, given a special character identified by
the <a href="#option_specialChars"><code>specialChars</code></a>
option, produces a DOM node that is used to represent the
character. By default, a red dot (<span style="color: red">•</span>)
is shown, with a title tooltip to indicate the character code.</dd>
<dt id="option_rtlMoveVisually"><code><strong>rtlMoveVisually</strong>: boolean</code></dt>
<dd>Determines whether horizontal cursor movement through
right-to-left (Arabic, Hebrew) text is visual (pressing the left
arrow moves the cursor left) or logical (pressing the left arrow
moves to the next lower index in the string, which is visually
right in right-to-left text). The default is <code>false</code>
on Windows, and <code>true</code> on other platforms.</dd>