// Delete all blank lines in the active document  (JavaScript for EmEditor)
Redraw = false;
nLines = document.GetLines();
for( i = 1; i < nLines; i++ ){
    if( document.GetLine( i ) == "" ){
        document.selection.SetActivePoint( eePosLogical, 1, i );
        document.selection.Delete();
        i--;
        nLines--;
    }
}
Redraw = true;