saving. If you set this variable to @code{nil}, Emacs only
saves bookmarks if you explicitly use @kbd{M-x bookmark-save}.
+@vindex bookmark-default-file
+ The variable @code{bookmark-default-file} specifies the file in
+which to save bookmarks by default.
+
@vindex bookmark-search-size
Bookmark position values are saved with surrounding context, so that
@code{bookmark-jump} can find the proper position even if the file is