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CTRL+1 - Change paragraph containing cursor into normal text block
CTRL+2 - Change paragraph containing cursor into header text block
CTRL+3 - Change paragraph containing cursor into chat frame text block
CTRL+4 - Change paragraph containing cursor into list block
CTRL+5 - Change paragraph containing cursor into link list block
CTRL+6 - Change paragraph containing cursor into new table
CTRL+B - Bold selected text.
CTRL+I - Italicize selected text.
CTRL+U - Underline selected text.
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