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Add the following paragraph after the doctype declaration on Line 55: "It is important to note, that while "DOCTYPE" is shown in uppercase letters here. The keyword "DOCTYPE" is case-insensitive and can be uppercase or lowercase. This simplification is part of the reason HTML5 pages are compatible with old and new browsers, and also compatible with the browsers on mobile devices." |
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|---|---|---|
| .. | ||
| attributes | ||
| block-and-inline-elements | ||
| comments-in-html | ||
| css-classes | ||
| doctype-declaration | ||
| elements | ||
| html-entities | ||
| html-forms | ||
| html5-audio | ||
| html5-semantic-elements | ||
| html5-support | ||
| html5-video | ||
| html5-web-storage | ||
| iframes | ||
| layouts | ||
| lists | ||
| mailto-links | ||
| optional-tags | ||
| page-structure | ||
| responsive-web-design | ||
| semantic-html-elements | ||
| symbols | ||
| tables | ||
| tutorials | ||
| url-encoding-reference | ||
| utf-8-reference | ||
| web-sockets | ||
| index.md | ||