/* Either main window, or both, could already have line input
pending. If so, leave that window alone. If there is no
input pending on a window, set a line input request, but
keep around any characters that were in the buffer already. */
/* Either main window, or both, could already have line input
pending. If so, leave that window alone. If there is no
input pending on a window, set a line input request, but
keep around any characters that were in the buffer already. */