delete-trailing-whitespace @key{RET}}. (This command does not remove
the form-feed characters.)
-@vindex indicate-unused-lines
+@vindex indicate-empty-lines
@vindex default-indicate-empty-lines
@cindex unused lines
@cindex fringes, and unused line indication
this image in the fringe.
To enable this feature, set the buffer-local variable
-@code{indicate-unused-lines} to a non-@code{nil} value. The default
+@code{indicate-empty-lines} to a non-@code{nil} value. The default
value of this variable is controlled by the variable
-@code{default-indicate-unused-lines}; by setting that variable, you
+@code{default-indicate-empty-lines}; by setting that variable, you
can enable or disable this feature for all new buffers. (This feature
currently doesn't work on character terminals.)