The ornamental design for a displayscreen with vertically centered text lines, as shown and described.
FIG. 1 is a front, top, right perspective view of the display screen with vertically centered text lines, showing the new design; and
FIG. 2 is a front view thereof;
FIG. 3 is a front, top, left perspective view thereof;
FIG. 4 is another front, top, right perspective view thereof, showing the display of two lines of text;
FIG. 5 is another front view thereof, showing the display of two lines of text; and,
FIG. 6 is another front, top, left perspective view thereof, showing the display of two lines of text.
The broken lines shown on the display screen represent environmental subject matter. The displayed text is for exemplary purposes only; any text may be used in the design. Other broken lines represent unclaimed portions of the design. None of the broken lines form a part of the claimed design.