Ch 1: Standalone <br> Section Break

PASS: A visible blank-line gap should appear between the two sections below.

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

PASS: The gap above should be roughly one line tall (same as a blank line).

Ch 2: <br class="section-br"/>

PASS: A blank-line gap should appear between the two sections below, identical to Ch 1, even though the <br> carries a CSS class.

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

Ch 3: Multiple Consecutive <br> Elements

PASS: Two blank lines should appear between the sections (one per <br>).

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

PASS: Three blank lines should appear below.

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

Ch 4: Inline <br> Inside a Paragraph

PASS: The two lines below should be adjacent with NO extra gap between them. The <br> is inside the paragraph and must only break the line.

First line of the paragraph.
Second line of the paragraph — directly below, no gap.

PASS: Above should look like two closely-spaced lines, not like two paragraphs separated by a blank line.

Ch 5: <br> After a Heading

PASS: There should be a blank-line gap between the heading above and this paragraph.

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

Section heading

PASS: There should be a blank-line gap between the section heading and this paragraph.

Ch 6: <br> at Chapter Start

PASS: This heading should appear near the top of the page with no large blank area above it despite the <br> being the very first element.

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.