ref: cbe4b116989c0bfec49b9ae7a1d9a85ead6648ae
dir: /sys/src/cmd/eqn/glob.c/
#include "e.h" /* YOU MAY WANT TO CHANGE THIS */ char *typesetter = "post"; /* type of typesetter today */ int ttype = DEVPOST; int minsize = 4; /* min size it can handle */ int dbg; /* debugging print if non-zero */ int lp[200]; /* stack for things like piles and matrices */ int ct; /* pointer to lp */ int used[100]; /* available registers */ int ps; /* default init point size */ int deltaps = 3; /* default change in ps */ int dps_set = 0; /* 1 => -p option used */ int gsize = 10; /* default initial point size */ int ft = '2'; Font ftstack[10] = { '2', "2" }; /* bottom is global font */ Font *ftp = ftstack; int szstack[10]; /* non-zero if absolute size set at this level */ int nszstack = 0; int display = 0; /* 1=>display, 0=>.EQ/.EN */ int synerr; /* 1 if syntax err in this eqn */ double eht[100]; /* height in ems at gsize */ double ebase[100]; /* base: where one enters above bottom */ int lfont[100]; /* leftmost and rightmost font associated with this thing */ int rfont[100]; int lclass[100]; /* leftmost and rightmost class associated with this thing */ int rclass[100]; int eqnreg; /* register where final string appears */ double eqnht; /* final height of equation */ int lefteq = '\0'; /* left in-line delimiter */ int righteq = '\0'; /* right in-line delimiter */ int markline = 0; /* 1 if this EQ/EN contains mark; 2 if lineup */