riched20: Ensure text is wrapped before invalidating selection.

dlls/riched20/caret.c

@@ -118,6 +118,7 @@ ME_GetCursorCoordinates(ME_TextEditor *editor, ME_Cursor *pCursor,
 
   assert(!pCursor->nOffset || !editor->bCaretAtEnd);
   assert(height && x && y);
+  assert(!(ME_GetParagraph(pCursorRun)->member.para.nFlags & MEPF_REWRAP));
   
   if (pCursorRun->type == diRun) {
     ME_DisplayItem *row = ME_FindItemBack(pCursorRun, diStartRowOrParagraph);

dlls/riched20/paint.c

@@ -505,6 +505,7 @@ ME_InvalidateFromOfs(ME_TextEditor *editor, int nCharOfs)
 void
 ME_InvalidateSelection(ME_TextEditor *editor)
 {
+  ME_WrapMarkedParagraphs(editor);
   if (ME_IsSelection(editor) || editor->nLastSelStart != editor->nLastSelEnd)
   {
     int x, y, height;