Tag (linguagens de marcação) – Wikipédia, a enciclopédia livre
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![Dúvida] O certo não seria por o <!DOCTYPE html> e o <html lang="pt-br"> dentro da tag <head>? | HTML5 e CSS3 parte 1: crie uma página da Web | Solucionado](https://cdn1.gnarususercontent.com.br/1/1374921/acf0d203-e91e-4ad4-96ce-62b7b55e8c32.png "Dúvida] O certo não seria por o <!DOCTYPE html> e o <html lang=\"pt-br\"> dentro da tag <head>? | HTML5 e CSS3 parte 1: crie uma página da Web | Solucionado")
Dúvida] O certo não seria por o <!DOCTYPE html> e o <html lang="pt-br"> dentro da tag <head>? | HTML5 e CSS3 parte 1: crie uma página da Web | Solucionado
Is The Doctype Tag Absolutely Necessary In Your HTML File? - Stephen Wicks Internet Development Company
html tutorial - <!DOCTYPE> Doctype Declaration in Html - html5 - html code - html form - In 30Sec by Microsoft Award MVP - | wikitechy
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HTML DOCTYPE Declaration
Best Practices for HTML Projects - earlySTEMer Blog
HTML Doctype Tag
