You can quickly exit manual formatting by pressing CommandCtrl+Shift+X. For example, if you have pressed CommandCtrl+B to apply the bold typeface to the text that you type, press CommandCtrl+Shift+X to return to the default character format of the paragraph.
Pa restablecer tol formatu direutu d'un testu, escueya esi testu y, de siguío, escueya'l comandu Formatu - Llimpiar el formatu direutu.