@item
A number specifies the desired height of the new window. An integer
-number specifies the number of lines of the window. A floating point
+specifies the number of lines of the window. A floating-point
number gives the fraction of the window's height with respect to the
height of the frame's root window.
@item
A number specifies the desired width of the new window. An integer
-number specifies the number of columns of the window. A floating point
+specifies the number of columns of the window. A floating-point
number gives the fraction of the window's width with respect to the
width of the frame's root window.