Module Parser.Constants

HTML element constants and categories.

This module provides lists of element names that have special handling in the HTML5 parser:

• Void elements: Elements that cannot have children and have no end tag (area, base, br, col, embed, hr, img, input, link, meta, source, track, wbr)

• Formatting elements: Elements tracked in the list of active formatting elements for the adoption agency algorithm (a, b, big, code, em, font, i, nobr, s, small, strike, strong, tt, u)

• Special elements: Elements with special parsing rules that affect scope and formatting reconstruction

• see https://html.spec.whatwg.org/multipage/syntax.html#void-elements

  WHATWG: Void elements

• see https://html.spec.whatwg.org/multipage/parsing.html#formatting

  WHATWG: Formatting elements