d techniques, such as custom
    coloring and embedding lexers within one another. Following that is a
    discussion about code folding, or being able to tell Scintilla which code
    blocks are &ldquo;foldable&rdquo; (temporarily hideable from view). After that are
    instructions on how to use Lua lexers with the aforementioned Textadept
    editor. Finally there are comments on lexer performance and limitations.</p>

    <p><a id="lexer.Lexer.Basics"></a></p>

    <h3>Lexer Basics</h3>

    <p>The <em>