Update text style and maintain existing overrides

Often blocks of text require a few overrides, for example, an inline link that is a different color and underlined. Or a number that is superscripted. Should we make adjustments to the style, such as increasing it’s line height, we lose all our formatting and have to go back and manually update everything. What if there was an option to keep those overrides of bolding, italics, underlines, super/subscripts, etc?