+ bool title_;
+
+ /* The page-breaker deals with forbidden page breaks by "compressing"
+ two Line_detailses into one. The following fields are used by the
+ page-breaker to keep track of this. If the number of fields needed
+ by the page-breaker grows, it might be a good idea to create a separate
+ class. */
+ int compressed_lines_count_;
+ int compressed_nontitle_lines_count_;
+