2006-05-23  Kenneth Zadeck <zadeck@naturalbridge.com>

        * df-core.c: Added to header comments.
	* df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
	df_ur_bb_info, df_urec_bb_info): Added comments.
	* df-problems (df_ref_bitmap, ru, rd, lr, ur, 
	urec, ri problems): Fixed header comments.
	(df_ru_transfer_function): Fixed in-out set dyslexia when copying 
	code from df_rd_transfer_function.

From-SVN: r114024