#ifndef _ID_INVIS_H
#define _ID_INVIS_H	"$Id: invis.h,v 3.1 1996/01/15 23:11:39 brad Exp $"
#endif

#define PROLE_VERSION 	1
#define MAX_STACK_DEPTH 20

#define ilev1(x)	(x+1)
#define ilev2(y,x)	(((x+1) << 4)|y+1)
#define ilev3(z,y,x)	((((x+1) << 8)| (y+1) << 4) | z+1)

#define INVIS_HEADER	ilev3(2,2,0)
#define INVH_MASK	0xfff		/* anything with lower 12 bits
					  of header is the header */
#define IHEADER_VERSION(vermaj,vermin,minmaj)	(ilev3(2,2,0) | (ilev3(vermaj,vermin,minmaj) << 12) )
#define INVIS_TRAILER	ilev3(2,3,0)


#define INVIS_ORDINARY	ilev1(1)	/* obselete */
#define	INVIS_CONTINUATION	ilev1(1)
#define INVIS_PARA	ilev1(2)
#define INVIS_BREAK	ilev2(0,0)
#define INVIS_MONO	ilev1(0)
#define INVIS_CENTHEAD	ilev2(1,0)	/* " \t" */
#define INVIS_H1	ilev2(2,0)	/* "  \t" */
#define INVIS_H2	ilev2(3,0)	/* "   \t" */
#define INVIS_H3	ilev2(4,0)	/* "    \t" */
#define INVIS_H4	ilev2(5,0)	/* "     \t" */
#define INVIS_H5	ilev2(6,0)	/* "      \t" */
#define INVIS_TITLE	ilev2(7,0)	/* "       \t" */
#define INVIS_H1TITLE	ilev2(8,0)	/* "        \t" */
#define INVIS_LI	ilev1(3)	/* "   " */
#define INVIS_RAW	ilev1(4)	/* "    " */
#define INVIS_COMMENT	ilev1(5)	/* "     " */
#define INVIS_LINK	ilev1(6)	/* "      " */
#define INVIS_IMAGE	ilev1(7)	/* "       " */
#define INVIS_POINT	ilev1(8)	
#define INVIS_LINK2	ilev1(9)
#define INVIS_HR	ilev2(0,1)	/* "\t " */
#define INVIS_NOTE	ilev2(1,1)
/* Blank line encodings */

#define IVLINE_BLANK	ilev1(0)	/* "" */
#define IVLINE_END	ilev1(1)	/* "  " */
#define IVLINE_END2	ilev1(2)	/* "   " */
#define IVLINE_END3	ilev1(3)	/* "    " */
#define IVLINE_END4	ilev1(4)	/* "     " */
#define IVLINE_TABLE	ilev2(1,2)	/* " \t  " */ /* Not yet implemented */
#define IVLINE_UL	ilev2(3,1)	/* "   \t " */
#define IVLINE_OL	ilev2(3,2)	/* "   \t  " */
#define IVLINE_DIR	ilev2(3,3)	/* "   \t   " */
#define IVLINE_RAW	ilev2(3,4)	/* "   \t    " */
#define IVLINE_PRE	ilev2(1,1)	/* " \t " */
#define IVLINE_QUOTE	ilev2(3,5)	/* "   \t    " */
#define IVLINE_CENTER	ilev2(3,6)	/* "   \t     " */
#define IVLINE_DEFL	ilev2(3,7)
#define IVLINE_MAGLINKS	ilev2(4,1)
#define IVLINE_PLAINLINK ilev2(5,1)
#define IVLINE_ANCHOR	ilev2(4,2)
#define IVLINE_EMPTY	ilev3(2,5,0)
#define IVLINE_DEFINE	0x80000000

#define MF_DEFBLOCK	1