displayed in the window. The selected window's mode line appears in a
different color. @xref{Mode Line}, for full details on the mode line.
-@iftex
-@break
-@end iftex
-
@node Split Window
@section Splitting Windows
if the variable @code{truncate-partial-width-windows} is
non-@code{nil}, that forces truncation in all windows less than the
full width of the screen, independent of the buffer being displayed
-and its value for @code{truncate-lines}. @xref{Display Custom}.
+and its value for @code{truncate-lines}. @xref{Line Truncation}.
Horizontal scrolling is often used in side-by-side windows.
@xref{Horizontal Scrolling}.