1 #include "e.h"
2 
3 int	dbg;	/* debugging print if non-zero */
4 int	lp[80];	/* stack for things like piles and matrices */
5 int	ct;	/* pointer to lp */
6 int	used[100];	/* available registers */
7 int	ps;	/* default init point size */
8 int	deltaps	= 3;	/* default change in ps */
9 int	gsize	= 10;	/* default initial point size */
10 int	gfont	= ITAL;	/* italic */
11 int	ft;	/* default font */
12 char	*device ="va";	/* device for "res" and "minsize" (default = varian) */
13 int	res	= 0;	/* resolution of typesetter; no default */
14 int	minsize	= 0;	/* min size it can handle; no default */
15 int	minvert	= 1;	/* min size it can move vertically; no default */
16 FILE	*curfile;	/* current input file */
17 int	ifile;
18 int	linect;	/* line number in file */
19 int	eqline;	/* line where eqn started */
20 int	svargc;
21 char	**svargv;
22 int	eht[100];
23 int	ebase[100];
24 int	lfont[100];
25 int	rfont[100];
26 int	eqnreg;	/* register where final string appears */
27 int	eqnht;	/* inal height of equation */
28 int	lefteq	= '\0';	/* left in-line delimiter */
29 int	righteq	= '\0';	/* right in-line delimiter */
30 int	lastchar;	/* last character read by lex */
31 int	markline	= 0;	/* 1 if this EQ/EN contains mark; 2 if lineup */
32