Question

what is thematic break

Answer 1

Both the original 9 and CommonMark 10 specs use the term “horizontal rule” to describe Markdown syntax that produces an HTML <hr /> tag. However the HTML5 spec makes no mention of horizontal rules. Instead, the term “thematic break” is used to describe the meaning of the <hr> element 36:

The hr element represents a paragraph-level thematic break, e.g. a scene change in a story, or a transition to another topic within a section of a reference book.

The meaning has changed since HTML4, where <hr> did represent a horizontal rule 18:

The HR element causes a horizontal rule to be rendered by visual user agents.

The meaning was likely changed to make <hr> have semantic rather than presentational meaning, the same way that <i> and <b> were redefined.

To stay consistent with HTML5 it would be worth changing the terminology in the spec to “thematic break”. Also, the semantic meaning is more accurate; websites may style <hr> elements as images rather than horizontal rules, for example.

Answer 2

HEY MATE HERE IS YOUR ANSWER

THERMATIC BREAK

Instead, the term “thematic break” is used to describe the meaning of the <hr> element: The hr element represents a paragraph-level thematic break, e.g. a scene change in a story, or a transition to another topic within a section of a reference book.

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