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Bloco de código

<style>
	.changeSelection::selection {
		background:rgba(0,0,0,0.2);
	}
</style>

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HTML
<iframe style="width:100%;height: 1000px; border: 0" id="external-page-frame" src="http://tdn.totvs.com/display/LRM/New+Model"></iframe>

TOTVS TDN API DOC

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HTML
<iframe style="width:100%;height: 1000px; border: 0" id="external-page-frame" src="http://tdn.totvs.com/display/LRM/Exemplo+TotvsApiDoc"></iframe>

Atalhos