Gmail recently released a new UI for compose. How do you manually quote a paragraph? The block-quote button seems to have disappeared from the formatting toolbar in the rich text compose editor.
How do you manually block-quote in Gmail's new compose interface?
gmail;formatting
Turns out the quote button is buried inside the align menu on the formatting toolbar. When you click Align, a submenu pops up with a few options for indentation and quoting, in addition to text justification.