Remove accidentally comitted files.
diff --git a/src/cmd/eqn/eqn.c b/src/cmd/eqn/eqn.c
deleted file mode 100644
index 1486fb0..0000000
--- a/src/cmd/eqn/eqn.c
+++ /dev/null
@@ -1,742 +0,0 @@
-#define	CONTIG	57346
-#define	QTEXT	57347
-#define	SPACE	57348
-#define	THIN	57349
-#define	TAB	57350
-#define	MATRIX	57351
-#define	LCOL	57352
-#define	CCOL	57353
-#define	RCOL	57354
-#define	COL	57355
-#define	ABOVE	57356
-#define	MARK	57357
-#define	LINEUP	57358
-#define	SUM	57359
-#define	INT	57360
-#define	PROD	57361
-#define	UNION	57362
-#define	INTER	57363
-#define	DEFINE	57364
-#define	TDEFINE	57365
-#define	NDEFINE	57366
-#define	DELIM	57367
-#define	GSIZE	57368
-#define	GFONT	57369
-#define	INCLUDE	57370
-#define	IFDEF	57371
-#define	DOTEQ	57372
-#define	DOTEN	57373
-#define	FROM	57374
-#define	TO	57375
-#define	OVER	57376
-#define	SQRT	57377
-#define	SUP	57378
-#define	SUB	57379
-#define	SIZE	57380
-#define	FONT	57381
-#define	ROMAN	57382
-#define	ITALIC	57383
-#define	BOLD	57384
-#define	FAT	57385
-#define	UP	57386
-#define	DOWN	57387
-#define	BACK	57388
-#define	FWD	57389
-#define	LEFT	57390
-#define	RIGHT	57391
-#define	DOT	57392
-#define	DOTDOT	57393
-#define	HAT	57394
-#define	TILDE	57395
-#define	BAR	57396
-#define	LOWBAR	57397
-#define	HIGHBAR	57398
-#define	UNDER	57399
-#define	VEC	57400
-#define	DYAD	57401
-#define	UTILDE	57402
-
-#line	17	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-#include "e.h"
-
-int	yylex(void);
-extern	int	yyerrflag;
-#ifndef	YYMAXDEPTH
-#define	YYMAXDEPTH	150
-#endif
-#ifndef	YYSTYPE
-#define	YYSTYPE	int
-#endif
-YYSTYPE	yylval;
-YYSTYPE	yyval;
-#define YYEOFCODE 1
-#define YYERRCODE 2
-
-#line	140	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-
-short	yyexca[] =
-{-1, 0,
-	1, 3,
-	-2, 0,
--1, 1,
-	1, -1,
-	-2, 0,
-};
-#define	YYNPROD	90
-#define	YYPRIVATE 57344
-#define	YYLAST	469
-short	yyact[] =
-{
-   4, 103, 119,  45,  27, 118, 104,   2, 102,  41,
-  42,  43,  44,  65,  80,  81,  79,  66,  67,  68,
-  69,  70,  50,  49,  74,  75,  76,  77, 105,  73,
-  40,  80,  81,  80,  81, 114,  61,  64,  54,  62,
-  57,  58,  59,  60,  55,  56,  63,  78,  91,  92,
-  82,  26,  83,  85,  86,  87,  88,  90,  51,  52,
-  48, 124,  50,  49, 117,  25,  45, 117,  72,  71,
-  80,  81, 113,  24,  45,  23,  61,  64,  54,  62,
-  57,  58,  59,  60,  55,  56,  63,  53,  89, 100,
-  84,  22,  96,  95, 106, 107, 108, 109,  99, 110,
- 111,  41,  42,  43,  44,  45,  98, 115,  21,  94,
-  93,  18, 130, 123,  17, 116, 121,  46, 112, 125,
- 127, 128,   1, 129, 126,   0,   0,  45,   8,   7,
-   9,  10,  11,  28,  41,  42,  43,  44,   0,  16,
-  47,  12,  34,  13,  14,  15,  61,  64,  54,  62,
-  57,  58,  59,  60,  55,  56,  63,   0,   0,  20,
-   0,   0,  29,  33,  30,  31,  32,  19,  37,  39,
-  38,  36,  35,   0,   0,   0,   0,   0,   0,   0,
-   0,   0,   0,   0,   0,   6,  97,   8,   7,   9,
-  10,  11,  28,  41,  42,  43,  44,   0,  16,  47,
-  12,  34,  13,  14,  15,   0,   0,   0,   0,   0,
-   0,   0,   0,   0,   0,   0,   0,   0,  20,   0,
-   0,  29,  33,  30,  31,  32,  19,  37,  39,  38,
-  36,  35, 101,   0,   0,   0,   0,   0,   0,   0,
-   0,   0,   0,   3,   6,   8,   7,   9,  10,  11,
-  28,  41,  42,  43,  44,   0,  16,   5,  12,  34,
-  13,  14,  15,   0,   0,   0,   0,   0,   0,   0,
-   0,   0,   0,   0,   0,   0,  20,   0,   0,  29,
-  33,  30,  31,  32,  19,  37,  39,  38,  36,  35,
-   0,   0,   8,   7,   9,  10,  11,  28,  41,  42,
-  43,  44,   6,  16,  47,  12,  34,  13,  14,  15,
-   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-   0,   0,   0,  20,   0,   0,  29,  33,  30,  31,
-  32,  19,  37,  39,  38,  36,  35,   0,   0,   8,
-   7,   9,  10,  11,  28,  41,  42,  43,  44,   6,
-  16,   5,  12,  34,  13,  14,  15,   0,   0,   0,
-   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-  20,   0,   0,  29,  33,  30,  31,  32,  19,  37,
-  39,  38,  36,  35,   8,   7,   9,  10,  11,  28,
-  41,  42,  43,  44,   0,  16,   6,  12,  34,  13,
-  14,  15,   0,   0,   0,   0,   0,   0,   0,   0,
-   0,   0,   0,   0,   0,  20,   0,   0,  29,  33,
-  30,  31,  32,  19,  37,  39,  38,  36,  35,  51,
- 122,  48,   0,  50,  49,   0,   0,   0,   0,   0,
-   0,   6,   0,   0, 120,  49,   0,  61,  64,  54,
-  62,  57,  58,  59,  60,  55,  56,  63,  61,  64,
-  54,  62,  57,  58,  59,  60,  55,  56,  63
-};
-short	yypact[] =
-{
- 241,-1000, 288,-1000,  26,-1000, 335,-1000,-1000,-1000,
--1000,-1000,-1000,-1000,-1000,-1000, 380, 380, 380, 380,
- 380,  32, 335, 380, 380, 380, 380,-1000,-1000,  66,
--1000,-1000,-1000,  66,-1000,  29,  66,  66,  66,  66,
-  27,-1000,-1000,-1000,-1000,  26,-1000, 380, 380,-1000,
--1000,-1000,-1000,-1000,-1000,-1000,-1000,-1000,-1000,-1000,
--1000,-1000,-1000,-1000,-1000, 124,  26,  96,  96,  96,
- -14,-1000,-1000, 183,  96,  96,  96,  96, -53,-1000,
--1000,-1000,-1000,-1000,-1000,-1000,-1000,-1000,-1000, 335,
--1000,  26, -14, 380, 380, 380, 380,-1000, 380, 380,
--1000,  10,  91,  53, 288, -56, 408, -14, 397,  26,
- 408, -14,-1000,-1000,  -1,-1000,-1000, 335, 335,-1000,
- 380,-1000, 380,-1000,-1000,-1000, 288,  50, -14,  26,
--1000
-};
-short	yypgo[] =
-{
-   0, 122,   6,   0, 117,   2, 116, 114, 111, 110,
- 109, 108, 106,  98,  93,  92,  91,  89,  87,  75,
-  73,  65,  51,   4,  47,  35,  16,  30,   1,  28
-};
-short	yyr1[] =
-{
-   0,   1,   1,   1,   2,   2,   2,   2,   4,   5,
-   5,   6,   6,   3,   3,   3,   3,   3,   3,   3,
-   3,   3,   3,   3,   3,   3,   3,   3,   3,   9,
-   3,  10,   3,  12,   3,  13,   3,   3,  14,   3,
-  15,   3,   3,   3,   3,   3,   3,   3,   3,   3,
-  24,   3,  11,  19,  20,  21,  22,  18,  18,  18,
-  18,  18,  18,  18,  18,  18,  18,  18,  16,  16,
-  17,  17,  25,  25,  23,  29,  23,  27,  27,  27,
-  27,  28,  28,   7,   8,   8,   8,   8,  26,  26
-};
-short	yyr2[] =
-{
-   0,   1,   1,   0,   1,   2,   2,   1,   2,   2,
-   0,   2,   0,   3,   1,   1,   1,   1,   1,   1,
-   1,   1,   1,   3,   2,   2,   2,   2,   2,   0,
-   5,   0,   4,   0,   5,   0,   4,   1,   0,   5,
-   0,   4,   3,   2,   2,   2,   2,   2,   2,   1,
-   0,   5,   1,   2,   2,   2,   2,   1,   1,   1,
-   1,   1,   1,   1,   1,   1,   1,   1,   2,   2,
-   2,   2,   1,   2,   4,   0,   6,   1,   1,   1,
-   1,   1,   3,   2,   1,   1,   1,   2,   1,   1
-};
-short	yychk[] =
-{
--1000,  -1,  -2,   2,  -3,  16,  61,   5,   4,   6,
-   7,   8,  17,  19,  20,  21,  15,  -7,  -8,  43,
-  35, -11, -16, -19, -20, -21, -22, -23,   9,  38,
-  40,  41,  42,  39,  18,  48,  47,  44,  46,  45,
- -27,  10,  11,  12,  13,  -3,  -4,  16,  34,  37,
-  36,  32,  33, -18,  52,  58,  59,  54,  55,  56,
-  57,  50,  53,  60,  51,  -2,  -3,  -3,  -3,  -3,
-  -3,  37,  36,  -2,  -3,  -3,  -3,  -3, -24, -26,
-   4,   5, -26, -26,  61, -26, -26, -26, -26,  61,
- -26,  -3,  -3,  -9, -10, -14, -15,  62, -12, -13,
- -17,  49,  61, -28,  -2, -29,  -3,  -3,  -3,  -3,
-  -3,  -3, -26,  62, -25, -23,  62,  14,  61,  -5,
-  36,  -6,  33,  -5,  62, -23,  -2, -28,  -3,  -3,
-  62
-};
-short	yydef[] =
-{
-  -2,  -2,   1,   2,   4,   7,   0,  14,  15,  16,
-  17,  18,  19,  20,  21,  22,   0,   0,   0,   0,
-   0,  37,   0,   0,   0,   0,   0,  49,  50,   0,
-  84,  85,  86,   0,  52,   0,   0,   0,   0,   0,
-   0,  77,  78,  79,  80,   5,   6,   0,   0,  29,
-  31,  38,  40,  44,  57,  58,  59,  60,  61,  62,
-  63,  64,  65,  66,  67,   0,  24,  25,  26,  27,
-  28,  33,  35,  43,  45,  46,  47,  48,   0,  83,
-  88,  89,  87,  68,  69,  53,  54,  55,  56,   0,
-  75,   8,  23,   0,   0,   0,   0,  13,   0,   0,
-  42,   0,   0,   0,  81,   0,  10,  32,  12,  41,
-  10,  36,  70,  71,   0,  72,  74,   0,   0,  30,
-   0,  39,   0,  34,  51,  73,  82,   0,   9,  11,
-  76
-};
-short	yytok1[] =
-{
-   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-   0,   0,   0,  61,   0,  62
-};
-short	yytok2[] =
-{
-   2,   3,   4,   5,   6,   7,   8,   9,  10,  11,
-  12,  13,  14,  15,  16,  17,  18,  19,  20,  21,
-  22,  23,  24,  25,  26,  27,  28,  29,  30,  31,
-  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,
-  42,  43,  44,  45,  46,  47,  48,  49,  50,  51,
-  52,  53,  54,  55,  56,  57,  58,  59,  60
-};
-long	yytok3[] =
-{
-   0
-};
-#define YYFLAG 		-1000
-#define YYERROR		goto yyerrlab
-#define YYACCEPT	return(0)
-#define YYABORT		return(1)
-#define	yyclearin	yychar = -1
-#define	yyerrok		yyerrflag = 0
-
-#ifdef	yydebug
-#include	"y.debug"
-#else
-#define	yydebug		0
-char*	yytoknames[1];		/* for debugging */
-char*	yystates[1];		/* for debugging */
-#endif
-
-/*	parser for yacc output	*/
-
-int	yynerrs = 0;		/* number of errors */
-int	yyerrflag = 0;		/* error recovery flag */
-
-char*
-yytokname(int yyc)
-{
-	static char x[10];
-
-	if(yyc > 0 && yyc <= sizeof(yytoknames)/sizeof(yytoknames[0]))
-	if(yytoknames[yyc-1])
-		return yytoknames[yyc-1];
-	sprintf(x, "<%d>", yyc);
-	return x;
-}
-
-char*
-yystatname(int yys)
-{
-	static char x[10];
-
-	if(yys >= 0 && yys < sizeof(yystates)/sizeof(yystates[0]))
-	if(yystates[yys])
-		return yystates[yys];
-	sprintf(x, "<%d>\n", yys);
-	return x;
-}
-
-long
-yylex1(void)
-{
-	long yychar;
-	long *t3p;
-	int c;
-
-	yychar = yylex();
-	if(yychar <= 0) {
-		c = yytok1[0];
-		goto out;
-	}
-	if(yychar < sizeof(yytok1)/sizeof(yytok1[0])) {
-		c = yytok1[yychar];
-		goto out;
-	}
-	if(yychar >= YYPRIVATE)
-		if(yychar < YYPRIVATE+sizeof(yytok2)/sizeof(yytok2[0])) {
-			c = yytok2[yychar-YYPRIVATE];
-			goto out;
-		}
-	for(t3p=yytok3;; t3p+=2) {
-		c = t3p[0];
-		if(c == yychar) {
-			c = t3p[1];
-			goto out;
-		}
-		if(c == 0)
-			break;
-	}
-	c = 0;
-
-out:
-	if(c == 0)
-		c = yytok2[1];	/* unknown char */
-	if(yydebug >= 3)
-		printf("lex %.4lX %s\n", yychar, yytokname(c));
-	return c;
-}
-
-int
-yyparse(void)
-{
-	struct
-	{
-		YYSTYPE	yyv;
-		int	yys;
-	} yys[YYMAXDEPTH], *yyp, *yypt;
-	short *yyxi;
-	int yyj, yym, yystate, yyn, yyg;
-	YYSTYPE save1, save2;
-	int save3, save4;
-	long yychar;
-
-	save1 = yylval;
-	save2 = yyval;
-	save3 = yynerrs;
-	save4 = yyerrflag;
-
-	yystate = 0;
-	yychar = -1;
-	yynerrs = 0;
-	yyerrflag = 0;
-	yyp = &yys[-1];
-	goto yystack;
-
-ret0:
-	yyn = 0;
-	goto ret;
-
-ret1:
-	yyn = 1;
-	goto ret;
-
-ret:
-	yylval = save1;
-	yyval = save2;
-	yynerrs = save3;
-	yyerrflag = save4;
-	return yyn;
-
-yystack:
-	/* put a state and value onto the stack */
-	if(yydebug >= 4)
-		printf("char %s in %s", yytokname(yychar), yystatname(yystate));
-
-	yyp++;
-	if(yyp >= &yys[YYMAXDEPTH]) {
-		yyerror("yacc stack overflow");
-		goto ret1;
-	}
-	yyp->yys = yystate;
-	yyp->yyv = yyval;
-
-yynewstate:
-	yyn = yypact[yystate];
-	if(yyn <= YYFLAG)
-		goto yydefault; /* simple state */
-	if(yychar < 0)
-		yychar = yylex1();
-	yyn += yychar;
-	if(yyn < 0 || yyn >= YYLAST)
-		goto yydefault;
-	yyn = yyact[yyn];
-	if(yychk[yyn] == yychar) { /* valid shift */
-		yychar = -1;
-		yyval = yylval;
-		yystate = yyn;
-		if(yyerrflag > 0)
-			yyerrflag--;
-		goto yystack;
-	}
-
-yydefault:
-	/* default state action */
-	yyn = yydef[yystate];
-	if(yyn == -2) {
-		if(yychar < 0)
-			yychar = yylex1();
-
-		/* look through exception table */
-		for(yyxi=yyexca;; yyxi+=2)
-			if(yyxi[0] == -1 && yyxi[1] == yystate)
-				break;
-		for(yyxi += 2;; yyxi += 2) {
-			yyn = yyxi[0];
-			if(yyn < 0 || yyn == yychar)
-				break;
-		}
-		yyn = yyxi[1];
-		if(yyn < 0)
-			goto ret0;
-	}
-	if(yyn == 0) {
-		/* error ... attempt to resume parsing */
-		switch(yyerrflag) {
-		case 0:   /* brand new error */
-			yyerror("syntax error");
-			if(yydebug >= 1) {
-				printf("%s", yystatname(yystate));
-				printf("saw %s\n", yytokname(yychar));
-			}
-		goto yyerrlab;
-yyerrlab:
-			yynerrs++;
-
-		case 1:
-		case 2: /* incompletely recovered error ... try again */
-			yyerrflag = 3;
-
-			/* find a state where "error" is a legal shift action */
-			while(yyp >= yys) {
-				yyn = yypact[yyp->yys] + YYERRCODE;
-				if(yyn >= 0 && yyn < YYLAST) {
-					yystate = yyact[yyn];  /* simulate a shift of "error" */
-					if(yychk[yystate] == YYERRCODE)
-						goto yystack;
-				}
-
-				/* the current yyp has no shift onn "error", pop stack */
-				if(yydebug >= 2)
-					printf("error recovery pops state %d, uncovers %d\n",
-						yyp->yys, (yyp-1)->yys );
-				yyp--;
-			}
-			/* there is no state on the stack with an error shift ... abort */
-			goto ret1;
-
-		case 3:  /* no shift yet; clobber input char */
-			if(yydebug >= YYEOFCODE)
-				printf("error recovery discards %s\n", yytokname(yychar));
-			if(yychar == YYEOFCODE)
-				goto ret1;
-			yychar = -1;
-			goto yynewstate;   /* try again in the same state */
-		}
-	}
-
-	/* reduction by production yyn */
-	if(yydebug >= 2)
-		printf("reduce %d in:\n\t%s", yyn, yystatname(yystate));
-
-	yypt = yyp;
-	yyp -= yyr2[yyn];
-	yyval = (yyp+1)->yyv;
-	yym = yyn;
-
-	/* consult goto table to find next state */
-	yyn = yyr1[yyn];
-	yyg = yypgo[yyn];
-	yyj = yyg + yyp->yys + 1;
-
-	if(yyj >= YYLAST || yychk[yystate=yyact[yyj]] != -yyn)
-		yystate = yyact[yyg];
-	switch(yym) {
-		
-case 1:
-#line	24	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ putout(yypt[-0].yyv); } break;
-case 2:
-#line	25	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ ERROR "syntax error" WARNING; } break;
-case 3:
-#line	26	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ eqnreg = 0; } break;
-case 5:
-#line	30	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ eqnbox(yypt[-1].yyv, yypt[-0].yyv, 0); } break;
-case 6:
-#line	31	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ eqnbox(yypt[-1].yyv, yypt[-0].yyv, 1); } break;
-case 7:
-#line	32	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ lineup(0); } break;
-case 8:
-#line	35	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ yyval = yypt[-0].yyv; lineup(1); } break;
-case 9:
-#line	38	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ yyval = yypt[-0].yyv; } break;
-case 10:
-#line	39	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ yyval = 0; } break;
-case 11:
-#line	42	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ yyval = yypt[-0].yyv; } break;
-case 12:
-#line	43	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ yyval = 0; } break;
-case 13:
-#line	46	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ yyval = yypt[-1].yyv; } break;
-case 14:
-#line	47	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ text(QTEXT, (char *) yypt[-0].yyv); } break;
-case 15:
-#line	48	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ text(CONTIG, (char *) yypt[-0].yyv); } break;
-case 16:
-#line	49	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ text(SPACE, (char *) 0); } break;
-case 17:
-#line	50	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ text(THIN, (char *) 0); } break;
-case 18:
-#line	51	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ text(TAB, (char *) 0); } break;
-case 19:
-#line	52	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ funny(SUM); } break;
-case 20:
-#line	53	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ funny(PROD); } break;
-case 21:
-#line	54	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ funny(UNION); } break;
-case 22:
-#line	55	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ funny(INTER); } break;
-case 23:
-#line	56	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ boverb(yypt[-2].yyv, yypt[-0].yyv); } break;
-case 24:
-#line	57	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ mark(yypt[-0].yyv); } break;
-case 25:
-#line	58	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ size(yypt[-1].yyv, yypt[-0].yyv); } break;
-case 26:
-#line	59	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ font(yypt[-1].yyv, yypt[-0].yyv); } break;
-case 27:
-#line	60	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ fatbox(yypt[-0].yyv); } break;
-case 28:
-#line	61	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ sqrt(yypt[-0].yyv); } break;
-case 29:
-#line	62	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ps -= deltaps;} break;
-case 30:
-#line	62	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ subsup(yypt[-4].yyv, yypt[-1].yyv, yypt[-0].yyv); } break;
-case 31:
-#line	63	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ps -= deltaps;} break;
-case 32:
-#line	63	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ subsup(yypt[-3].yyv, 0, yypt[-0].yyv); } break;
-case 33:
-#line	64	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ps -= deltaps;} break;
-case 34:
-#line	64	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ integral(yypt[-4].yyv, yypt[-1].yyv, yypt[-0].yyv); } break;
-case 35:
-#line	65	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ps -= deltaps;} break;
-case 36:
-#line	65	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ integral(yypt[-3].yyv, 0, yypt[-0].yyv); } break;
-case 37:
-#line	66	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ integral(yypt[-0].yyv, 0, 0); } break;
-case 38:
-#line	67	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ps -= deltaps;} break;
-case 39:
-#line	67	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ fromto(yypt[-4].yyv, yypt[-1].yyv, yypt[-0].yyv); } break;
-case 40:
-#line	68	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ps -= deltaps;} break;
-case 41:
-#line	68	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ fromto(yypt[-3].yyv, 0, yypt[-0].yyv); } break;
-case 42:
-#line	69	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ paren(yypt[-2].yyv, yypt[-1].yyv, yypt[-0].yyv); } break;
-case 43:
-#line	70	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ paren(yypt[-1].yyv, yypt[-0].yyv, 0); } break;
-case 44:
-#line	71	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ diacrit(yypt[-1].yyv, yypt[-0].yyv); } break;
-case 45:
-#line	72	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ move(FWD, yypt[-1].yyv, yypt[-0].yyv); } break;
-case 46:
-#line	73	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ move(UP, yypt[-1].yyv, yypt[-0].yyv); } break;
-case 47:
-#line	74	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ move(BACK, yypt[-1].yyv, yypt[-0].yyv); } break;
-case 48:
-#line	75	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ move(DOWN, yypt[-1].yyv, yypt[-0].yyv); } break;
-case 49:
-#line	76	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ pile(yypt[-0].yyv); ct = yypt[-0].yyv; } break;
-case 50:
-#line	77	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{yyval=ct;} break;
-case 51:
-#line	77	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ matrix(yypt[-3].yyv); ct = yypt[-3].yyv; } break;
-case 52:
-#line	80	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ setintegral(); } break;
-case 53:
-#line	83	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ yyval = atoi((char *) yypt[-1].yyv); } break;
-case 54:
-#line	84	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ yyval = atoi((char *) yypt[-1].yyv); } break;
-case 55:
-#line	85	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ yyval = atoi((char *) yypt[-1].yyv); } break;
-case 56:
-#line	86	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ yyval = atoi((char *) yypt[-1].yyv); } break;
-case 57:
-#line	88	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ yyval = HAT; } break;
-case 58:
-#line	89	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ yyval = VEC; } break;
-case 59:
-#line	90	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ yyval = DYAD; } break;
-case 60:
-#line	91	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ yyval = BAR; } break;
-case 61:
-#line	92	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ yyval = LOWBAR; } break;
-case 62:
-#line	93	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ yyval = HIGHBAR; } break;
-case 63:
-#line	94	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ yyval = UNDER; } break;
-case 64:
-#line	95	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ yyval = DOT; } break;
-case 65:
-#line	96	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ yyval = TILDE; } break;
-case 66:
-#line	97	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ yyval = UTILDE; } break;
-case 67:
-#line	98	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ yyval = DOTDOT; } break;
-case 68:
-#line	101	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ yyval = ((char *)yypt[-0].yyv)[0]; } break;
-case 69:
-#line	102	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ yyval = '{'; } break;
-case 70:
-#line	105	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ yyval = ((char *)yypt[-0].yyv)[0]; } break;
-case 71:
-#line	106	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ yyval = '}'; } break;
-case 74:
-#line	113	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ column(yypt[-3].yyv, DEFGAP); } break;
-case 75:
-#line	114	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{yyval=atoi((char*)yypt[-0].yyv);} break;
-case 76:
-#line	114	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ column(yypt[-5].yyv, yypt[-3].yyv); } break;
-case 77:
-#line	117	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ yyval = startcol(LCOL); } break;
-case 78:
-#line	118	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ yyval = startcol(CCOL); } break;
-case 79:
-#line	119	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ yyval = startcol(RCOL); } break;
-case 80:
-#line	120	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ yyval = startcol(COL); } break;
-case 81:
-#line	123	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ lp[ct++] = yypt[-0].yyv; } break;
-case 82:
-#line	124	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ lp[ct++] = yypt[-0].yyv; } break;
-case 83:
-#line	127	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ yyval = ps; setsize((char *) yypt[-0].yyv); } break;
-case 84:
-#line	130	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ static char R[]="R"; setfont(R); } break;
-case 85:
-#line	131	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ static char I[]="I"; setfont(I); } break;
-case 86:
-#line	132	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ static char B[]="B"; setfont(B); } break;
-case 87:
-#line	133	"/home/wkj/src/plan9/src/cmd/eqn/eqn.y"
-{ setfont((char *)yypt[-0].yyv); } break;
-	}
-	goto yystack;  /* stack new state and value */
-}
diff --git a/src/cmd/eqn/prevy.tab.h b/src/cmd/eqn/prevy.tab.h
deleted file mode 100644
index 1f6d3c7..0000000
--- a/src/cmd/eqn/prevy.tab.h
+++ /dev/null
@@ -1,57 +0,0 @@
-#define	CONTIG	57346
-#define	QTEXT	57347
-#define	SPACE	57348
-#define	THIN	57349
-#define	TAB	57350
-#define	MATRIX	57351
-#define	LCOL	57352
-#define	CCOL	57353
-#define	RCOL	57354
-#define	COL	57355
-#define	ABOVE	57356
-#define	MARK	57357
-#define	LINEUP	57358
-#define	SUM	57359
-#define	INT	57360
-#define	PROD	57361
-#define	UNION	57362
-#define	INTER	57363
-#define	DEFINE	57364
-#define	TDEFINE	57365
-#define	NDEFINE	57366
-#define	DELIM	57367
-#define	GSIZE	57368
-#define	GFONT	57369
-#define	INCLUDE	57370
-#define	IFDEF	57371
-#define	DOTEQ	57372
-#define	DOTEN	57373
-#define	FROM	57374
-#define	TO	57375
-#define	OVER	57376
-#define	SQRT	57377
-#define	SUP	57378
-#define	SUB	57379
-#define	SIZE	57380
-#define	FONT	57381
-#define	ROMAN	57382
-#define	ITALIC	57383
-#define	BOLD	57384
-#define	FAT	57385
-#define	UP	57386
-#define	DOWN	57387
-#define	BACK	57388
-#define	FWD	57389
-#define	LEFT	57390
-#define	RIGHT	57391
-#define	DOT	57392
-#define	DOTDOT	57393
-#define	HAT	57394
-#define	TILDE	57395
-#define	BAR	57396
-#define	LOWBAR	57397
-#define	HIGHBAR	57398
-#define	UNDER	57399
-#define	VEC	57400
-#define	DYAD	57401
-#define	UTILDE	57402
diff --git a/src/cmd/eqn/y.tab.h b/src/cmd/eqn/y.tab.h
deleted file mode 100644
index 1f6d3c7..0000000
--- a/src/cmd/eqn/y.tab.h
+++ /dev/null
@@ -1,57 +0,0 @@
-#define	CONTIG	57346
-#define	QTEXT	57347
-#define	SPACE	57348
-#define	THIN	57349
-#define	TAB	57350
-#define	MATRIX	57351
-#define	LCOL	57352
-#define	CCOL	57353
-#define	RCOL	57354
-#define	COL	57355
-#define	ABOVE	57356
-#define	MARK	57357
-#define	LINEUP	57358
-#define	SUM	57359
-#define	INT	57360
-#define	PROD	57361
-#define	UNION	57362
-#define	INTER	57363
-#define	DEFINE	57364
-#define	TDEFINE	57365
-#define	NDEFINE	57366
-#define	DELIM	57367
-#define	GSIZE	57368
-#define	GFONT	57369
-#define	INCLUDE	57370
-#define	IFDEF	57371
-#define	DOTEQ	57372
-#define	DOTEN	57373
-#define	FROM	57374
-#define	TO	57375
-#define	OVER	57376
-#define	SQRT	57377
-#define	SUP	57378
-#define	SUB	57379
-#define	SIZE	57380
-#define	FONT	57381
-#define	ROMAN	57382
-#define	ITALIC	57383
-#define	BOLD	57384
-#define	FAT	57385
-#define	UP	57386
-#define	DOWN	57387
-#define	BACK	57388
-#define	FWD	57389
-#define	LEFT	57390
-#define	RIGHT	57391
-#define	DOT	57392
-#define	DOTDOT	57393
-#define	HAT	57394
-#define	TILDE	57395
-#define	BAR	57396
-#define	LOWBAR	57397
-#define	HIGHBAR	57398
-#define	UNDER	57399
-#define	VEC	57400
-#define	DYAD	57401
-#define	UTILDE	57402