xref: /plan9/sys/src/cmd/eqn/glob.c (revision 3e12c5d1bb89fc02707907988834ef147769ddaf)
1 #include "e.h"
2 
3 	/* YOU MAY WANT TO CHANGE THIS */
4 char	*typesetter = "post";	/* type of typesetter today */
5 int	ttype	= DEVPOST;
6 int	minsize	= 4;		/* min size it can handle */
7 
8 
9 int	dbg;		/* debugging print if non-zero */
10 int	lp[200];	/* stack for things like piles and matrices */
11 int	ct;		/* pointer to lp */
12 int	used[100];	/* available registers */
13 int	ps;		/* default init point size */
14 int	deltaps	= 3;	/* default change in ps */
15 int	dps_set = 0;	/* 1 => -p option used */
16 int	gsize	= 10;	/* default initial point size */
17 int	ft	= '2';
18 Font	ftstack[10] = { '2', "2" };	/* bottom is global font */
19 Font	*ftp	= ftstack;
20 int	szstack[10];	/* non-zero if absolute size set at this level */
21 int	nszstack = 0;
22 int	display	= 0;	/* 1=>display, 0=>.EQ/.EN */
23 
24 int	synerr;		/* 1 if syntax err in this eqn */
25 double	eht[100];	/* height in ems at gsize */
26 double	ebase[100];	/* base: where one enters above bottom */
27 int	lfont[100];	/* leftmost and rightmost font associated with this thing */
28 int	rfont[100];
29 int	lclass[100];	/* leftmost and rightmost class associated with this thing */
30 int	rclass[100];
31 int	eqnreg;		/* register where final string appears */
32 double	eqnht;		/* final height of equation */
33 int	lefteq	= '\0';	/* left in-line delimiter */
34 int	righteq	= '\0';	/* right in-line delimiter */
35 int	markline = 0;	/* 1 if this EQ/EN contains mark; 2 if lineup */
36