In wplayFullLayout, words split on white space, but in wplayShowManualPageBreaks, they split even on an apostrophe. Examples: Eric's, O'Conner, l’élaboration. In each of those cases, the words wrap at the apostrophe when in wplayShowManualPageBreaks mode, but stay together in wplayFullLayout mode.
WPTools 9.2.003
Delphi 10.4.2