d:

    <ul>
    <li><code>lex_by_line</code>: Whether or not the lexer only processes whole lines of
    text (instead of arbitrary chunks of text) at a time.
    Line lexers cannot look ahead to subsequent lines.
    The default value is <code>false</code>.</li>
    <li><code>fold_by_indentation</code>: Whether or not the lexer does not define any fold
    points and that fold points should be calculated based on changes in line
    indentation.
    The default value is <code>false</code>.</li>
    <li><c