@extends(main)
<h1>Section A</h1>
@render("sectionA")

<h1>Section B with default content</h1>
@render("sectionB") {
<p>section B's default content</p>
}

<h1>Section C with default content</h1>
@render("sectionC") {
<p>section C's default content</p>
}

<h1>Main content</h1>
@render() {
<p>default main content</p>
}