Clarify usage to achieve same behaviour as pre-defined manipulation#1071

intoeetive wants to merge 1 commit into7.devExpressionEngine/ExpressionEngine-User-Guide:7.devfrom

feature/7.x/resize-crop-old-behaviourExpressionEngine/ExpressionEngine-User-Guide:feature/7.x/resize-crop-old-behaviourCopy head branch name to clipboard