Trivial changes: whitespace and modes.

Remote whitespace at the ends of lines.
Remove blank lines from the ends of files.
Change modes on source files so that they
are not executable.

Signed-off-by: Dan Cross <cross@gajendra.net>

21 files changed, 263 insertions, 303 deletions

diff --git a/src/cmd/tbl/t1.c b/src/cmd/tbl/t1.c
index 1e6cbf11..6cb7ada1 100644
--- a/src/cmd/tbl/t1.c
+++ b/src/cmd/tbl/t1.c
@@ -41,7 +41,7 @@ setinp(int argc, char **argv)
 {
 	sargc = argc;
 	sargv = argv;
-	sargc--; 
+	sargc--;
 	sargv++;
 	if (sargc > 0)
 		swapin();
@@ -69,10 +69,10 @@ swapin(void)
 			pr1403 = 1;
 		if (match("-", *sargv))
 			break;
-		sargc--; 
+		sargc--;
 		sargv++;
 	}
-	if (sargc <= 0) 
+	if (sargc <= 0)
 		return(0);
 	/* file closing is done by GCOS troff preprocessor */
 	if(tabin)
diff --git a/src/cmd/tbl/t2.c b/src/cmd/tbl/t2.c
index 6d2d7414..c3ecce7d 100644
--- a/src/cmd/tbl/t2.c
+++ b/src/cmd/tbl/t2.c
@@ -21,5 +21,3 @@ tableput(void)
 	freearr();
 	restline();
 }
-
-
diff --git a/src/cmd/tbl/t3.c b/src/cmd/tbl/t3.c
index a4dc9f9f..f2f81309 100644
--- a/src/cmd/tbl/t3.c
+++ b/src/cmd/tbl/t3.c
@@ -1,7 +1,7 @@
 /* t3.c: interpret commands affecting whole table */
 # include "t.h"
 struct optstr {
-	char	*optnam; 
+	char	*optnam;
 	int	*optadd;
 } options [] = {
 	"expand", &expflg,
@@ -46,7 +46,7 @@ getcomm(void)
 		return;
 	}
 	for (cp = line; (c = *cp) != ';'; cp++) {
-		if (!letter(c)) 
+		if (!letter(c))
 			continue;
 		found = 0;
 		for (lp = options; lp->optadd; lp++) {
@@ -61,9 +61,9 @@ getcomm(void)
 				if ( *cp == '(')
 					while ((ci = *++cp) != ')')
 						*t++ = ci;
-				else 
+				else
 					cp--;
-				*t++ = 0; 
+				*t++ = 0;
 				*t = 0;
 				if (lp->optadd == &tab) {
 					if (nb[0])
@@ -100,5 +100,3 @@ backrest(char *cp)
 		un1getc(*--s);
 	return;
 }
-
-
diff --git a/src/cmd/tbl/t4.c b/src/cmd/tbl/t4.c
index 558d3ba3..21fd82c6 100644
--- a/src/cmd/tbl/t4.c
+++ b/src/cmd/tbl/t4.c
@@ -53,13 +53,13 @@ readspec(void)
 		case ' ': /* note this is also case tab */
 			continue;
 		case '\n':
-			if (sawchar == 0) 
+			if (sawchar == 0)
 				continue;
 		case ',':
 		case '.': /* end of table specification */
 			ncol = max(ncol, icol);
 			if (lefline[ncol][nclin] > 0) {
-				ncol++; 
+				ncol++;
 				rightl++;
 			};
 			if (sawchar)
@@ -85,24 +85,24 @@ readspec(void)
 			}
 			sawchar = 0;
 			continue;
-		case 'C': 
-		case 'S': 
-		case 'R': 
-		case 'N': 
-		case 'L':  
+		case 'C':
+		case 'S':
+		case 'R':
+		case 'N':
+		case 'L':
 		case 'A':
 			c += ('a' - 'A');
-		case '_': 
-			if (c == '_') 
+		case '_':
+			if (c == '_')
 				c = '-';
-		case '=': 
+		case '=':
 		case '-':
 		case '^':
-		case 'c': 
-		case 's': 
-		case 'n': 
-		case 'r': 
-		case 'l':  
+		case 'c':
+		case 's':
+		case 'n':
+		case 'r':
+		case 'l':
 		case 'a':
 			style[icol][nclin] = c;
 			if (c == 's' && icol <= 0)
@@ -122,30 +122,30 @@ readspec(void)
 				error("too many columns in table");
 			sawchar = 1;
 			continue;
-		case 'b': 
+		case 'b':
 		case 'i':
 			c += 'A' - 'a';
-		case 'B': 
+		case 'B':
 		case 'I':
-			if (icol == 0) 
+			if (icol == 0)
 				continue;
 			snp = font[icol-1][nclin];
 			snp[0] = (c == 'I' ? '2' : '3');
 			snp[1] = 0;
 			continue;
-		case 't': 
+		case 't':
 		case 'T':
 			if (icol > 0)
 				flags[icol-1][nclin] |= CTOP;
 			continue;
-		case 'd': 
+		case 'd':
 		case 'D':
 			if (icol > 0)
 				flags[icol-1][nclin] |= CDOWN;
 			continue;
-		case 'f': 
+		case 'f':
 		case 'F':
-			if (icol == 0) 
+			if (icol == 0)
 				continue;
 			snp = font[icol-1][nclin];
 			snp[0] = snp[1] = stopc = 0;
@@ -155,34 +155,34 @@ readspec(void)
 					stopc = ')';
 					c = get1char();
 				}
-				if (c == 0) 
+				if (c == 0)
 					break;
 				if (c == stopc) {
-					stopc = 0; 
+					stopc = 0;
 					break;
 				}
-				if (stopc == 0)  
-					if (c == ' ' || c == tab ) 
+				if (stopc == 0)
+					if (c == ' ' || c == tab )
 						break;
 				if (c == '\n' || c == '|') {
-					un1getc(c); 
+					un1getc(c);
 					break;
 				}
 				snp[i] = c;
-				if (c >= '0' && c <= '9') 
+				if (c >= '0' && c <= '9')
 					break;
 			}
-			if (stopc) 
+			if (stopc)
 				if (get1char() != stopc)
 					error("Nonterminated font name");
 			continue;
-		case 'P': 
+		case 'P':
 		case 'p':
-			if (icol <= 0) 
+			if (icol <= 0)
 				continue;
 			temp = snp = csize[icol-1][nclin];
 			while (c = get1char()) {
-				if (c == ' ' || c == tab || c == '\n') 
+				if (c == ' ' || c == tab || c == '\n')
 					break;
 				if (c == '-' || c == '+')
 					if (snp > temp)
@@ -191,7 +191,7 @@ readspec(void)
 						*snp++ = c;
 				else if (digit(c))
 					*snp++ = c;
-				else 
+				else
 					break;
 				if (snp - temp > 4)
 					error("point size too large");
@@ -201,13 +201,13 @@ readspec(void)
 				error("point size unreasonable");
 			un1getc (c);
 			continue;
-		case 'V': 
+		case 'V':
 		case 'v':
-			if (icol <= 0) 
+			if (icol <= 0)
 				continue;
 			temp = snp = vsize[icol-1][nclin];
 			while (c = get1char()) {
-				if (c == ' ' || c == tab || c == '\n') 
+				if (c == ' ' || c == tab || c == '\n')
 					break;
 				if (c == '-' || c == '+')
 					if (snp > temp)
@@ -216,7 +216,7 @@ readspec(void)
 						*snp++ = c;
 				else if (digit(c))
 					*snp++ = c;
-				else 
+				else
 					break;
 				if (snp - temp > 4)
 					error("vertical spacing value too large");
@@ -224,7 +224,7 @@ readspec(void)
 			*snp = 0;
 			un1getc(c);
 			continue;
-		case 'w': 
+		case 'w':
 		case 'W':
 			snp = cll [icol-1];
 			/* Dale Smith didn't like this check - possible to have two text blocks
@@ -253,34 +253,34 @@ readspec(void)
 			if (!stopc)
 				un1getc(c);
 			continue;
-		case 'e': 
+		case 'e':
 		case 'E':
-			if (icol < 1) 
+			if (icol < 1)
 				continue;
 			evenup[icol-1] = 1;
 			evenflg = 1;
 			continue;
-		case 'z': 
+		case 'z':
 		case 'Z': /* zero width-ignre width this item */
-			if (icol < 1) 
+			if (icol < 1)
 				continue;
 			flags[icol-1][nclin] |= ZEROW;
 			continue;
-		case 'u': 
+		case 'u':
 		case 'U': /* half line up */
-			if (icol < 1) 
+			if (icol < 1)
 				continue;
 			flags[icol-1][nclin] |= HALFUP;
 			continue;
-		case '0': 
-		case '1': 
-		case '2': 
-		case '3': 
+		case '0':
+		case '1':
+		case '2':
+		case '3':
 		case '4':
-		case '5': 
-		case '6': 
-		case '7': 
-		case '8': 
+		case '5':
+		case '6':
+		case '7':
+		case '8':
 		case '9':
 			sn[0] = c;
 			snp = sn + 1;
@@ -291,7 +291,7 @@ readspec(void)
 			continue;
 		case '|':
 			lefline[icol][nclin]++;
-			if (icol == 0) 
+			if (icol == 0)
 				left1flg = 1;
 			continue;
 		}
@@ -313,9 +313,9 @@ findcol(void)
 	if (c != '\n')
 		un1getc(c);
 	for (s = line; *s = c = get1char(); s++) {
-		if (c == ')') 
+		if (c == ')')
 			inpar = 0;
-		if (inpar) 
+		if (inpar)
 			continue;
 		if (c == '\n' || c == 0 || c == '.' || c == ',')
 			break;
@@ -326,20 +326,20 @@ findcol(void)
 	}
 	for (p = line; p < s; p++)
 		switch (*p) {
-		case 'l': 
-		case 'r': 
-		case 'c': 
-		case 'n': 
-		case 'a': 
+		case 'l':
+		case 'r':
+		case 'c':
+		case 'n':
+		case 'a':
 		case 's':
-		case 'L': 
-		case 'R': 
-		case 'C': 
-		case 'N': 
-		case 'A': 
+		case 'L':
+		case 'R':
+		case 'C':
+		case 'N':
+		case 'A':
 		case 'S':
-		case '-': 
-		case '=': 
+		case '-':
+		case '=':
 		case '_':
 			n++;
 		}
@@ -401,5 +401,3 @@ freearr(void)
 	free(acase);
 	free(topat);
 }
-
-
diff --git a/src/cmd/tbl/t5.c b/src/cmd/tbl/t5.c
index e23784be..c50077e7 100644
--- a/src/cmd/tbl/t5.c
+++ b/src/cmd/tbl/t5.c
@@ -28,7 +28,7 @@ gettbl(void)
 			while (*cstore++)
 				;
 			continue;
-		} else 
+		} else
 			instead[nlin] = 0;
 		if (nodata(nlin)) {
 			if (ch = oneh(nlin))
@@ -46,11 +46,11 @@ gettbl(void)
 		table[nlin] = (struct colstr *) alocv((ncol + 2) * sizeof(table[0][0]));
 		if (cstore[1] == 0)
 			switch (cstore[0]) {
-			case '_': 
-				fullbot[nlin] = '-'; 
+			case '_':
+				fullbot[nlin] = '-';
 				continue;
-			case '=': 
-				fullbot[nlin] = '='; 
+			case '=':
+				fullbot[nlin] = '=';
 				continue;
 			}
 		stynum[nlin] = nslin;
@@ -60,7 +60,7 @@ gettbl(void)
 			table[nlin][icol].rcol = 0;
 			ch = 1;
 			if (match(cstore, "T{")) { /* text follows */
-				table[nlin][icol].col = 
+				table[nlin][icol].col =
 				    (char *)(uintptr)gettext(cstore, nlin, icol,
 				    font[icol][stynum[nlin]],
 				    csize[icol][stynum[nlin]]);
@@ -81,7 +81,7 @@ gettbl(void)
 			}
 			while (ctype(nlin, icol + 1) == 's') /* spanning */
 				table[nlin][++icol].col = "";
-			if (ch == '\0') 
+			if (ch == '\0')
 				break;
 		}
 		while (++icol < ncol + 2) {
@@ -95,7 +95,7 @@ gettbl(void)
 	}
 	last = cstore;
 	permute();
-	if (textflg) 
+	if (textflg)
 		untext();
 	return;
 }
@@ -108,11 +108,11 @@ nodata(int il)
 
 	for (c = 0; c < ncol; c++) {
 		switch (ctype(il, c)) {
-		case 'c': 
-		case 'n': 
-		case 'r': 
-		case 'l': 
-		case 's': 
+		case 'c':
+		case 'n':
+		case 'r':
+		case 'l':
+		case 's':
 		case 'a':
 			return(0);
 		}
@@ -169,17 +169,17 @@ permute(void)
 int
 vspand(int ir, int ij, int ifform)
 {
-	if (ir < 0) 
+	if (ir < 0)
 		return(0);
 	if (ir >= nlin)
 		return(0);
-	if (instead[ir]) 
+	if (instead[ir])
 		return(0);
-	if (ifform == 0 && ctype(ir, ij) == '^') 
+	if (ifform == 0 && ctype(ir, ij) == '^')
 		return(1);
-	if (table[ir][ij].rcol != 0) 
+	if (table[ir][ij].rcol != 0)
 		return(0);
-	if (fullbot[ir]) 
+	if (fullbot[ir])
 		return(0);
 	return(vspen(table[ir][ij].col));
 }
@@ -188,11 +188,9 @@ vspand(int ir, int ij, int ifform)
 int
 vspen(char *s)
 {
-	if (s == 0) 
+	if (s == 0)
 		return(0);
-	if (!point(s)) 
+	if (!point(s))
 		return(0);
 	return(match(s, SPAN));
 }
-
-
diff --git a/src/cmd/tbl/t6.c b/src/cmd/tbl/t6.c
index 463bfa10..aed42a07 100644
--- a/src/cmd/tbl/t6.c
+++ b/src/cmd/tbl/t6.c
@@ -20,16 +20,16 @@ maktab(void)			/* define the tab stops of the table */
 				Bprint(&tabout, ".%2s\n.rm %2s\n", reg(icol, CRIGHT),
 				    reg(icol, CRIGHT));
 			for (ilin = 0; ilin < nlin; ilin++) {
-				if (instead[ilin] || fullbot[ilin]) 
+				if (instead[ilin] || fullbot[ilin])
 					continue;
 				vforml = ilin;
 				for (il = prev(ilin); il >= 0 && vspen(table[il][icol].col); il = prev(il))
 					vforml = il;
-				if (fspan(vforml, icol)) 
+				if (fspan(vforml, icol))
 					continue;
-				if (filler(table[ilin][icol].col)) 
+				if (filler(table[ilin][icol].col))
 					continue;
-				if ((flags[icol][stynum[ilin]] & ZEROW) != 0) 
+				if ((flags[icol][stynum[ilin]] & ZEROW) != 0)
 					continue;
 				switch (ctype(vforml, icol)) {
 				case 'a':
@@ -52,10 +52,10 @@ maktab(void)			/* define the tab stops of the table */
 						doubled[icol] = 1;
 						if (real(ss = table[ilin][icol].col) && !vspen(ss)) {
 							s = (int)(uintptr)ss;
-							if (tx(s) != text) 
+							if (tx(s) != text)
 								continue;
 							Bprint(&tabout, ".nr %d ", TMP);
-							wide(ss, FN(vforml, icol), SZ(vforml, icol)); 
+							wide(ss, FN(vforml, icol), SZ(vforml, icol));
 							Bprint(&tabout, "\n");
 							Bprint(&tabout, ".if \\n(%d<\\n(%d .nr %d \\n(%d\n",
 							    S1, TMP, S1, TMP);
@@ -73,10 +73,10 @@ maktab(void)			/* define the tab stops of the table */
 				case 'l':
 					if (real(ss = table[ilin][icol].col) && !vspen(ss)) {
 						s = (int)(uintptr)ss;
-						if (tx(s) != text) 
+						if (tx(s) != text)
 							continue;
 						Bprint(&tabout, ".nr %d ", TMP);
-						wide(ss, FN(vforml, icol), SZ(vforml, icol)); 
+						wide(ss, FN(vforml, icol), SZ(vforml, icol));
 						Bprint(&tabout, "\n");
 						Bprint(&tabout, ".if \\n(%2s<\\n(%d .nr %2s \\n(%d\n",
 						     reg(icol, CRIGHT), TMP, reg(icol, CRIGHT), TMP);
@@ -85,7 +85,7 @@ maktab(void)			/* define the tab stops of the table */
 			}
 		}
 		if (acase[icol]) {
-			Bprint(&tabout, ".if \\n(%d>=\\n(%2s .nr %2s \\n(%du+2n\n", 
+			Bprint(&tabout, ".if \\n(%d>=\\n(%2s .nr %2s \\n(%du+2n\n",
 			     S2, reg(icol, CRIGHT), reg(icol, CRIGHT), S2);
 		}
 		if (doubled[icol]) {
@@ -104,13 +104,13 @@ maktab(void)			/* define the tab stops of the table */
 		for (ilin = 0; ilin < nlin; ilin++)
 			if (k = lspan(ilin, icol)) {
 				ss = table[ilin][icol-k].col;
-				if (!real(ss) || barent(ss) || vspen(ss) ) 
+				if (!real(ss) || barent(ss) || vspen(ss) )
 					continue;
 				Bprint(&tabout, ".nr %d ", TMP);
 				wide(table[ilin][icol-k].col, FN(ilin, icol - k), SZ(ilin, icol - k));
 				for (ik = k; ik >= 0; ik--) {
 					Bprint(&tabout, "-\\n(%2s", reg(icol - ik, CRIGHT));
-					if (!expflg && ik > 0) 
+					if (!expflg && ik > 0)
 						Bprint(&tabout, "-%dn", sep[icol-ik]);
 				}
 				Bprint(&tabout, "\n");
@@ -126,13 +126,13 @@ maktab(void)			/* define the tab stops of the table */
 				}
 			}
 	}
-	if (textflg) 
+	if (textflg)
 		untext();
 				/* if even requested, make all columns widest width */
 	if (evenflg) {
 		Bprint(&tabout, ".nr %d 0\n", TMP);
 		for (icol = 0; icol < ncol; icol++) {
-			if (evenup[icol] == 0) 
+			if (evenup[icol] == 0)
 				continue;
 			Bprint(&tabout, ".if \\n(%2s>\\n(%d .nr %d \\n(%2s\n",
 			    reg(icol, CRIGHT), TMP, TMP, reg(icol, CRIGHT));
@@ -169,7 +169,7 @@ maktab(void)			/* define the tab stops of the table */
 		Bprint(&tabout, ".nr %d 1n\n", TMP);
 	Bprint(&tabout, ".nr %2s 0\n", reg(-1, CRIGHT));
 	tsep = (boxflg || allflg || dboxflg || left1flg) ? 2 : 0;
-	if (sep[-1] >= 0) 
+	if (sep[-1] >= 0)
 		tsep = sep[-1];
 	for (icol = 0; icol < ncol; icol++) {
 		Bprint(&tabout, ".nr %2s \\n(%2s+((%d*\\n(%d)/2)\n", reg(icol, CLEFT),
@@ -202,14 +202,14 @@ wide(char *s, char *fn, char *size)
 {
 	if (point(s)) {
 		Bprint(&tabout, "\\w%c", F1);
-		if (*fn > 0) 
+		if (*fn > 0)
 			putfont(fn);
-		if (*size) 
+		if (*size)
 			putsize(size);
 		Bprint(&tabout, "%s", s);
-		if (*fn > 0) 
+		if (*fn > 0)
 			putfont("P");
-		if (*size) 
+		if (*size)
 			putsize("0");
 		Bprint(&tabout, "%c", F1);
 	} else
@@ -222,5 +222,3 @@ filler(char *s)
 {
 	return (point(s) && s[0] == '\\' && s[1] == 'R');
 }
-
-
diff --git a/src/cmd/tbl/t7.c b/src/cmd/tbl/t7.c
index 2fa9de53..6a873d61 100644
--- a/src/cmd/tbl/t7.c
+++ b/src/cmd/tbl/t7.c
@@ -7,7 +7,7 @@ runout(void)
 {
 	int	i;
 
-	if (boxflg || allflg || dboxflg) 
+	if (boxflg || allflg || dboxflg)
 		need();
 	if (ctrflg) {
 		Bprint(&tabout, ".nr #I \\n(.i\n");
@@ -65,15 +65,15 @@ runtabs(int lform, int ldata)
 int
 ifline(char *s)
 {
-	if (!point(s)) 
+	if (!point(s))
 		return(0);
-	if (s[0] == '\\') 
+	if (s[0] == '\\')
 		s++;
-	if (s[1] ) 
+	if (s[1] )
 		return(0);
-	if (s[0] == '_') 
+	if (s[0] == '_')
 		return('-');
-	if (s[0] == '=') 
+	if (s[0] == '=')
 		return('=');
 	return(0);
 }
@@ -124,7 +124,7 @@ deftail(void)
 			Bprint(&tabout, ".if \\n(T. ");
 			drawline(nlin, 0, ncol, dboxflg ? '=' : '-', 1, 0);
 			Bprint(&tabout, "\n.if \\n(T. .vs\n");
-			/* T. is really an argument to a macro but because of 
+			/* T. is really an argument to a macro but because of
 		   eqn we don't dare pass it as an argument and reference by $1 */
 		}
 	for (c = 0; c < ncol; c++) {
@@ -146,5 +146,3 @@ deftail(void)
 	Bprint(&tabout, "..\n");
 	Bprint(&tabout, ".ec\n");
 }
-
-
diff --git a/src/cmd/tbl/t8.c b/src/cmd/tbl/t8.c
index bfa21ecf..26375df5 100644
--- a/src/cmd/tbl/t8.c
+++ b/src/cmd/tbl/t8.c
@@ -14,25 +14,25 @@ putline(int i, int nl)
 	char	*ss, *size, *fn, *rct;
 
 	cmidx = watchout = vspf = exvspen = 0;
-	if (i == 0) 
+	if (i == 0)
 		once = 0;
 	if (i == 0 && ( allflg || boxflg || dboxflg))
 		fullwide(0,   dboxflg ? '=' : '-');
 	if (instead[nl] == 0 && fullbot[nl] == 0)
 		for (c = 0; c < ncol; c++) {
 			ss = table[nl][c].col;
-			if (ss == 0) 
+			if (ss == 0)
 				continue;
 			if (vspen(ss)) {
 				for (ip = nl; ip < nlin; ip = next(ip))
-					if (!vspen(ss = table[ip][c].col)) 
+					if (!vspen(ss = table[ip][c].col))
 						break;
 				s = (int)(uintptr)ss;
 				if (s > 0 && s < 128)
 					Bprint(&tabout, ".ne \\n(%c|u+\\n(.Vu\n", (int)s);
 				continue;
 			}
-			if (point(ss)) 
+			if (point(ss))
 				continue;
 			s = (int)(uintptr)ss;
 			Bprint(&tabout, ".ne \\n(%c|u+\\n(.Vu\n", s);
@@ -55,10 +55,10 @@ putline(int i, int nl)
 	}
 	for (c = 0; c < ncol; c++) {
 		if (instead[nl] == 0 && fullbot[nl] == 0)
-			if (vspen(table[nl][c].col)) 
+			if (vspen(table[nl][c].col))
 				vspf = 1;
 		if (lf >= 0)
-			if (vspen(table[lf][c].col)) 
+			if (vspen(table[lf][c].col))
 				vspf = 1;
 	}
 	if (vspf) {
@@ -69,7 +69,7 @@ putline(int i, int nl)
 	chfont = 0;
 	for (c = 0; c < ncol; c++) {
 		ss = table[nl][c].col;
-		if (ss == 0) 
+		if (ss == 0)
 			continue;
 		if(font[c][stynum[nl]])
 			chfont = 1;
@@ -107,7 +107,7 @@ putline(int i, int nl)
 			drawvert(lf, i, c, lwid);
 			vct += 2;
 		}
-		if (rightl && c + 1 == ncol) 
+		if (rightl && c + 1 == ncol)
 			continue;
 		vforml = i;
 		for (lf = prev(nl); lf >= 0 && vspen(table[lf][c].col); lf = prev(lf))
@@ -115,9 +115,9 @@ putline(int i, int nl)
 		form = ctype(vforml, c);
 		if (form != 's') {
 			rct = reg(c, CLEFT);
-			if (form == 'a') 
+			if (form == 'a')
 				rct = reg(c, CMID);
-			if (form == 'n' && table[nl][c].rcol && lused[c] == 0) 
+			if (form == 'n' && table[nl][c].rcol && lused[c] == 0)
 				rct = reg(c, CMID);
 			Bprint(&tabout, "\\h'|\\n(%2su'", rct);
 		}
@@ -152,10 +152,10 @@ putline(int i, int nl)
 							}
 						}
 					Bprint(&tabout, "%c%c", F1, F2);
-					if (uphalf) 
+					if (uphalf)
 						Bprint(&tabout, "\\u");
 					puttext(ss, fn, size);
-					if (uphalf) 
+					if (uphalf)
 						Bprint(&tabout, "\\d");
 					Bprint(&tabout, "%c", F1);
 				}
@@ -164,13 +164,13 @@ putline(int i, int nl)
 				break;
 			}
 		case 'c':
-			form = 3; 
+			form = 3;
 			break;
 		case 'r':
-			form = 2; 
+			form = 2;
 			break;
 		case 'l':
-			form = 1; 
+			form = 1;
 			break;
 		case '-':
 		case '=':
@@ -212,10 +212,10 @@ putline(int i, int nl)
 				vspf = 1;
 			else
 			 {
-				if (uphalf) 
+				if (uphalf)
 					Bprint(&tabout, "\\u");
 				puttext(ss, fn, size);
-				if (uphalf) 
+				if (uphalf)
 					Bprint(&tabout, "\\d");
 			}
 			if (form != 2)
@@ -225,8 +225,8 @@ putline(int i, int nl)
 		ip = prev(nl);
 		if (ip >= 0)
 			if (vspen(table[ip][c].col)) {
-				exvspen = (c + 1 < ncol) && vspen(table[ip][c+1].col) && 
-				    (topat[c] == topat[c+1]) && 
+				exvspen = (c + 1 < ncol) && vspen(table[ip][c+1].col) &&
+				    (topat[c] == topat[c+1]) &&
 				    (cmidx == (flags[c+1] [stynum[nl]] & (CTOP | CDOWN) == 0))
 				     && (left(i, c + 1, &lwid) < 0);
 				if (exvspen == 0) {
@@ -248,7 +248,7 @@ putline(int i, int nl)
 		}
 	}
 	Bprint(&tabout, "\n");
-	if (allh(i) && !pr1403) 
+	if (allh(i) && !pr1403)
 		Bprint(&tabout, ".vs \\n(%du\n", SVS);
 	if (watchout)
 		funnies(i, nl);
@@ -270,9 +270,9 @@ puttext(char *s, char *fn, char *size)
 		putfont(fn);
 		putsize(size);
 		Bprint(&tabout, "%s", s);
-		if (*fn > 0) 
+		if (*fn > 0)
 			Bprint(&tabout, "\\f\\n(%2d", S1);
-		if (size != 0) 
+		if (size != 0)
 			putsize("0");
 	}
 }
@@ -289,9 +289,9 @@ funnies(int stl, int lin)
 	Bprint(&tabout, ".nr %d \\n(##\n", S1);		 /* bottom position */
 	for (c = 0; c < ncol; c++) {
 		ss = table[lin][c].col;
-		if (point(ss)) 
+		if (point(ss))
 			continue;
-		if (ss == 0) 
+		if (ss == 0)
 			continue;
 		s = (int)(uintptr)ss;
 		Bprint(&tabout, ".sp |\\n(##u-1v\n");
@@ -333,7 +333,7 @@ funnies(int stl, int lin)
 		}
 		Bprint(&tabout, ".%c+\n", s);
 		Bprint(&tabout, ".in -\\n(%du\n", SIND);
-		if (*fn > 0) 
+		if (*fn > 0)
 			putfont("P");
 		Bprint(&tabout, ".mk %d\n", S2);
 		Bprint(&tabout, ".if \\n(%d>\\n(%d .nr %d \\n(%d\n", S2, S1, S1, S2);
@@ -367,5 +367,3 @@ putsize(char *s)
 	if (s && *s)
 		Bprint(&tabout, "\\s%s", s);
 }
-
-
diff --git a/src/cmd/tbl/t9.c b/src/cmd/tbl/t9.c
index 69e9d6c7..db3a4d11 100644
--- a/src/cmd/tbl/t9.c
+++ b/src/cmd/tbl/t9.c
@@ -37,13 +37,13 @@ domore(char *dataln)
 	instead[0] = (char *)0;
 	if (dataln[1] == 0)
 		switch (dataln[0]) {
-		case '_': 
-			fullbot[0] = '-'; 
-			putline(useln, 0);  
+		case '_':
+			fullbot[0] = '-';
+			putline(useln, 0);
 			return(1);
-		case '=': 
-			fullbot[0] = '='; 
-			putline(useln, 0); 
+		case '=':
+			fullbot[0] = '=';
+			putline(useln, 0);
 			return(1);
 		}
 	for (icol = 0; icol < ncol; icol++) {
@@ -63,7 +63,7 @@ domore(char *dataln)
 		}
 		while (ctype(useln, icol + 1) == 's') /* spanning */
 			table[0][++icol].col = "";
-		if (ch == '\0') 
+		if (ch == '\0')
 			break;
 	}
 	while (++icol < ncol)
@@ -72,5 +72,3 @@ domore(char *dataln)
 	exstore = exspace;		 /* reuse space for numerical items */
 	return(1);
 }
-
-
diff --git a/src/cmd/tbl/tb.c b/src/cmd/tbl/tb.c
index 5cc59880..213d371c 100644
--- a/src/cmd/tbl/tb.c
+++ b/src/cmd/tbl/tb.c
@@ -9,10 +9,10 @@ checkuse(void)
 	for (c = 0; c < ncol; c++) {
 		used[c] = lused[c] = rused[c] = 0;
 		for (i = 0; i < nlin; i++) {
-			if (instead[i] || fullbot[i]) 
+			if (instead[i] || fullbot[i])
 				continue;
 			k = ctype(i, c);
-			if (k == '-' || k == '=') 
+			if (k == '-' || k == '=')
 				continue;
 			if ((k == 'n' || k == 'a')) {
 				rused[c] |= real(table[i][c].rcol);
@@ -30,11 +30,11 @@ checkuse(void)
 int
 real(char *s)
 {
-	if (s == 0) 
+	if (s == 0)
 		return(0);
-	if (!point(s)) 
+	if (!point(s))
 		return(1);
-	if (*s == 0) 
+	if (*s == 0)
 		return(0);
 	return(1);
 }
@@ -97,5 +97,3 @@ release(void)
 	tpcount = -1;
 	exstore = 0;
 }
-
-
diff --git a/src/cmd/tbl/tc.c b/src/cmd/tbl/tc.c
index a89fc0f0..0b9d1961 100644
--- a/src/cmd/tbl/tc.c
+++ b/src/cmd/tbl/tc.c
@@ -12,9 +12,9 @@ choochar(void)
 		had[icol] = 0;
 	F1 = F2 = 0;
 	for (ilin = 0; ilin < nlin; ilin++) {
-		if (instead[ilin]) 
+		if (instead[ilin])
 			continue;
-		if (fullbot[ilin]) 
+		if (fullbot[ilin])
 			continue;
 		for (icol = 0; icol < ncol; icol++) {
 			k = ctype(ilin, icol);
@@ -32,7 +32,7 @@ choochar(void)
 	}
 				/* choose first funny character */
 	for (
-	    s = "\002\003\005\006\007!%&#/?,:;<=>@`^~_{}+-*ABCDEFGHIJKMNOPQRSTUVWXYZabcdefgjkoqrstwxyz"; 
+	    s = "\002\003\005\006\007!%&#/?,:;<=>@`^~_{}+-*ABCDEFGHIJKMNOPQRSTUVWXYZabcdefgjkoqrstwxyz";
 	    *s; s++) {
 		if (had[(unsigned char)*s] == 0) {
 			F1 = (unsigned char)*s;
@@ -42,7 +42,7 @@ choochar(void)
 	}
 				/* choose second funny character */
 	for (
-	    s = "\002\003\005\006\007:_~^`@;,<=>#%&!/?{}+-*ABCDEFGHIJKMNOPQRSTUVWXZabcdefgjkoqrstuwxyz"; 
+	    s = "\002\003\005\006\007:_~^`@;,<=>#%&!/?{}+-*ABCDEFGHIJKMNOPQRSTUVWXZabcdefgjkoqrstuwxyz";
 	    *s; s++) {
 		if (had[(unsigned char)*s] == 0) {
 			F2 = (unsigned char)*s;
@@ -61,5 +61,3 @@ point(char *ss)
 	int	s = (int)(uintptr)ss;
 	return(s >= 128 || s < 0);
 }
-
-
diff --git a/src/cmd/tbl/te.c b/src/cmd/tbl/te.c
index 3df8d445..54df7e82 100644
--- a/src/cmd/tbl/te.c
+++ b/src/cmd/tbl/te.c
@@ -71,5 +71,3 @@ get1char(void)
 		iline++;
 	return(c);
 }
-
-
diff --git a/src/cmd/tbl/tf.c b/src/cmd/tbl/tf.c
index 3791c32f..097dfe36 100644
--- a/src/cmd/tbl/tf.c
+++ b/src/cmd/tbl/tf.c
@@ -70,5 +70,3 @@ cleanfc(void)
 {
 	Bprint(&tabout, ".fc\n");
 }
-
-
diff --git a/src/cmd/tbl/tg.c b/src/cmd/tbl/tg.c
index 3afc88c6..7b5374bd 100644
--- a/src/cmd/tbl/tg.c
+++ b/src/cmd/tbl/tg.c
@@ -10,7 +10,7 @@ gettext(char *sp, int ilin, int icol, char *fn, char *sz)
 	char	*vs;
 
 	startline = iline;
-	if (texname == 0) 
+	if (texname == 0)
 		error("Too many text block diversions");
 	if (textflg == 0) {
 		Bprint(&tabout, ".nr %d \\n(.lu\n", SL); /* remember old line length */
@@ -21,13 +21,13 @@ gettext(char *sp, int ilin, int icol, char *fn, char *sz)
 	Bprint(&tabout, ".br\n");
 	Bprint(&tabout, ".di %c+\n", texname);
 	rstofill();
-	if (fn && *fn) 
+	if (fn && *fn)
 		Bprint(&tabout, ".nr %d \\n(.f\n.ft %s\n", S1, fn);
 	Bprint(&tabout, ".ft \\n(.f\n"); /* protect font */
 	vs = vsize[icol][stynum[ilin]];
 	if ((sz && *sz) || (vs && *vs)) {
 		Bprint(&tabout, ".nr %d \\n(.v\n", S9);
-		if (vs == 0 || *vs == 0) 
+		if (vs == 0 || *vs == 0)
 			vs = "\\n(.s+2";
 		if (sz && *sz)
 			Bprint(&tabout, ".ps %s\n", sz);
@@ -48,15 +48,15 @@ gettext(char *sp, int ilin, int icol, char *fn, char *sz)
 			iline = startline;
 			error("missing closing T}");
 		}
-		if (line[0] == 'T' && line[1] == '}' && line[2] == tab) 
+		if (line[0] == 'T' && line[1] == '}' && line[2] == tab)
 			break;
-		if (match("T}", line)) 
+		if (match("T}", line))
 			break;
 		Bprint(&tabout, "%s\n", line);
 	}
-	if (fn && *fn) 
+	if (fn && *fn)
 		Bprint(&tabout, ".ft \\n(%d\n", S1);
-	if (sz && *sz) 
+	if (sz && *sz)
 		Bprint(&tabout, ".br\n.ps\n.vs\n");
 	Bprint(&tabout, ".br\n");
 	Bprint(&tabout, ".di\n");
@@ -82,5 +82,3 @@ untext(void)
 	Bprint(&tabout, ".nf\n");
 	Bprint(&tabout, ".ll \\n(%du\n", SL);
 }
-
-
diff --git a/src/cmd/tbl/ti.c b/src/cmd/tbl/ti.c
index ef995bbb..d4a2ab4d 100644
--- a/src/cmd/tbl/ti.c
+++ b/src/cmd/tbl/ti.c
@@ -9,9 +9,9 @@ interv(int i, int c)
 
 	if (c >= ncol || c == 0) {
 		if (dboxflg) {
-			if (i == 0) 
+			if (i == 0)
 				return(BOT);
-			if (i >= nlin) 
+			if (i >= nlin)
 				return(TOP);
 			return(THRU);
 		}
@@ -23,11 +23,11 @@ interv(int i, int c)
 		kl = 0;
 	else
 		kl = lefdata(allh(i) ? i + 1 : i, c);
-	if (ku == 2 && kl == 2) 
+	if (ku == 2 && kl == 2)
 		return(THRU);
-	if (ku == 2) 
+	if (ku == 2)
 		return(TOP);
-	if (kl == BOT) 
+	if (kl == BOT)
 		return(2);
 	return(0);
 }
@@ -45,7 +45,7 @@ interh(int i, int c)
 			return(RIGHT);
 		return(THRU);
 	}
-	if (i >= nlin) 
+	if (i >= nlin)
 		return(0);
 	kl = c > 0 ? thish (i, c - 1) : 0;
 	if (kl <= 1 && i > 0 && allh(up1(i)))
@@ -53,11 +53,11 @@ interh(int i, int c)
 	kr = thish(i, c);
 	if (kr <= 1 && i > 0 && allh(up1(i)))
 		kr = c > 0 ? thish(up1(i), c) : 0;
-	if (kl == '=' && kr ==  '=') 
+	if (kl == '=' && kr ==  '=')
 		return(THRU);
-	if (kl == '=') 
+	if (kl == '=')
 		return(LEFT);
-	if (kr == '=') 
+	if (kr == '=')
 		return(RIGHT);
 	return(0);
 }
@@ -67,9 +67,7 @@ int
 up1(int i)
 {
 	i--;
-	while (instead[i] && i > 0) 
+	while (instead[i] && i > 0)
 		i--;
 	return(i);
 }
-
-
diff --git a/src/cmd/tbl/tm.c b/src/cmd/tbl/tm.c
index 5b58f0d1..cee294c4 100644
--- a/src/cmd/tbl/tm.c
+++ b/src/cmd/tbl/tm.c
@@ -15,8 +15,8 @@ maknew(char *str)
 	str = p;
 	if (ba == 0) {
 		for (dpoint = 0; *str; str++) {
-			if (*str == '.' && !ineqn(str, p) && 
-			    (str > p && digit(*(str - 1)) || 
+			if (*str == '.' && !ineqn(str, p) &&
+			    (str > p && digit(*(str - 1)) ||
 			    digit(*(str + 1))))
 				dpoint = str;
 		}
@@ -27,7 +27,7 @@ maknew(char *str)
 			}
 		if (!dpoint && p == str) /* not numerical, don't split */
 			return(0);
-		if (dpoint) 
+		if (dpoint)
 			str = dpoint;
 	} else
 		str = ba;
@@ -61,5 +61,3 @@ ineqn (char *s, char *p)
 	}
 	return(0);
 }
-
-
diff --git a/src/cmd/tbl/tr.c b/src/cmd/tbl/tr.c
index 7d586e8b..6a626115 100644
--- a/src/cmd/tbl/tr.c
+++ b/src/cmd/tbl/tr.c
@@ -24,5 +24,3 @@ reg(int col, int place)
 		error("Too many columns for registers");
 	return (nregs[qcol*place+col]);
 }
-
-
diff --git a/src/cmd/tbl/ts.c b/src/cmd/tbl/ts.c
index 43cc84ec..2a98b5d6 100644
--- a/src/cmd/tbl/ts.c
+++ b/src/cmd/tbl/ts.c
@@ -19,7 +19,7 @@ prefix(char *small, char *big)
 	int	c;
 
 	while ((c = *small++) == *big++)
-		if (c == 0) 
+		if (c == 0)
 			return(1);
 	return(c == 0);
 }
@@ -67,5 +67,3 @@ tcopy (char *s, char *t)
 	while (*s++ = *t++)
 		;
 }
-
-
diff --git a/src/cmd/tbl/tt.c b/src/cmd/tbl/tt.c
index 96270b75..54c6180e 100644
--- a/src/cmd/tbl/tt.c
+++ b/src/cmd/tbl/tt.c
@@ -33,7 +33,7 @@ lspan(int i, int c)
 {
 	int	k;
 
-	if (ctype(i, c) != 's') 
+	if (ctype(i, c) != 's')
 		return(0);
 	c++;
 	if (c < ncol && ctype(i, c) == 's')
@@ -73,15 +73,15 @@ allh(int i)
 				/* also at least one must be horizontl */
 	int	c, one, k;
 
-	if (fullbot[i]) 
+	if (fullbot[i])
 		return(1);
-	if (i >= nlin) 
+	if (i >= nlin)
 		return(dboxflg || boxflg);
 	for (one = c = 0; c < ncol; c++) {
 		k = thish(i, c);
-		if (k == 0) 
+		if (k == 0)
 			return(0);
-		if (k == 1) 
+		if (k == 1)
 			continue;
 		one = 1;
 	}
@@ -98,30 +98,28 @@ thish(int i, int c)
 
 	if (c < 0)
 		return(0);
-	if (i < 0) 
+	if (i < 0)
 		return(0);
 	t = ctype(i, c);
 	if (t == '_' || t == '-')
 		return('-');
 	if (t == '=')
 		return('=');
-	if (t == '^') 
+	if (t == '^')
 		return(1);
 	if (fullbot[i] )
 		return(fullbot[i]);
-	if (t == 's') 
+	if (t == 's')
 		return(thish(i, c - 1));
-	if (t == 0) 
+	if (t == 0)
 		return(1);
 	pc = &table[i][c];
 	s = (t == 'a' ? pc->rcol : pc->col);
 	if (s == 0 || (point(s) && *s == 0))
 		return(1);
-	if (vspen(s)) 
+	if (vspen(s))
 		return(1);
 	if (t = barent( s))
 		return(t);
 	return(0);
 }
-
-
diff --git a/src/cmd/tbl/tu.c b/src/cmd/tbl/tu.c
index 217869e1..94089577 100644
--- a/src/cmd/tbl/tu.c
+++ b/src/cmd/tbl/tu.c
@@ -7,7 +7,7 @@ makeline(int i, int c, int lintype)
 	int	cr, type, shortl;
 
 	type = thish(i, c);
-	if (type == 0) 
+	if (type == 0)
 		return;
 	shortl = (table[i][c].col[0] == '\\');
 	if (c > 0 && !shortl && thish(i, c - 1) == type)
@@ -55,17 +55,17 @@ drawline(int i, int cl, int cr, int lintype, int noheight, int shortl)
 	lcount = 0;
 	exhr = exhl = "";
 	switch (lintype) {
-	case '-': 
+	case '-':
 		lcount = 1;
 		break;
-	case '=': 
-		lcount = pr1403 ? 1 : 2; 
+	case '=':
+		lcount = pr1403 ? 1 : 2;
 		break;
-	case SHORTLINE: 
-		lcount = 1; 
+	case SHORTLINE:
+		lcount = 1;
 		break;
 	}
-	if (lcount <= 0) 
+	if (lcount <= 0)
 		return;
 	nodata = cr - cl >= ncol || noheight || allh(i);
 	if (!nodata)
@@ -79,26 +79,26 @@ drawline(int i, int cl, int cr, int lintype, int noheight, int shortl)
 			tohcol(cl);
 			if (lcount > 1) {
 				switch (interv(i, cl)) {
-				case TOP: 
-					exhl = ln == 0 ? "1p" : "-1p"; 
+				case TOP:
+					exhl = ln == 0 ? "1p" : "-1p";
 					break;
-				case BOT: 
-					exhl = ln == 1 ? "1p" : "-1p"; 
+				case BOT:
+					exhl = ln == 1 ? "1p" : "-1p";
 					break;
-				case THRU: 
-					exhl = "1p"; 
+				case THRU:
+					exhl = "1p";
 					break;
 				}
 				if (exhl[0])
 					Bprint(&tabout, "\\h'%s'", exhl);
 			} else if (lcount == 1) {
 				switch (interv(i, cl)) {
-				case TOP: 
-				case BOT: 
-					exhl = "-1p"; 
+				case TOP:
+				case BOT:
+					exhl = "-1p";
 					break;
-				case THRU: 
-					exhl = "1p"; 
+				case THRU:
+					exhl = "1p";
 					break;
 				}
 				if (exhl[0])
@@ -106,24 +106,24 @@ drawline(int i, int cl, int cr, int lintype, int noheight, int shortl)
 			}
 			if (lcount > 1) {
 				switch (interv(i, cr + 1)) {
-				case TOP: 
-					exhr = ln == 0 ? "-1p" : "+1p"; 
+				case TOP:
+					exhr = ln == 0 ? "-1p" : "+1p";
 					break;
-				case BOT: 
-					exhr = ln == 1 ? "-1p" : "+1p"; 
+				case BOT:
+					exhr = ln == 1 ? "-1p" : "+1p";
 					break;
-				case THRU: 
-					exhr = "-1p"; 
+				case THRU:
+					exhr = "-1p";
 					break;
 				}
 			} else if (lcount == 1) {
 				switch (interv(i, cr + 1)) {
-				case TOP: 
-				case BOT: 
-					exhr = "+1p"; 
+				case TOP:
+				case BOT:
+					exhr = "+1p";
 					break;
-				case THRU: 
-					exhr = "-1p"; 
+				case THRU:
+					exhr = "-1p";
 					break;
 				}
 			}
@@ -183,18 +183,18 @@ left(int i, int c, int *lwidp)
 					/* returns number of line where it starts */
 					/* stores into lwid the kind of line */
 	*lwidp = 0;
-	if (i < 0) 
+	if (i < 0)
 		return(-1);
 	kind = lefdata(i, c);
-	if (kind == 0) 
+	if (kind == 0)
 		return(-1);
 	if (i + 1 < nlin)
-		if (lefdata(next(i), c) == kind) 
+		if (lefdata(next(i), c) == kind)
 			return(-1);
 	li = i;
 	while (i >= 0 && lefdata(i, c) == kind)
 		i = prev(li = i);
-	if (prev(li) == -1) 
+	if (prev(li) == -1)
 		li = 0;
 	*lwidp = kind;
 	for (lj = i + 1; lj < li; lj++)
@@ -212,7 +212,7 @@ lefdata(int i, int c)
 {
 	int	ck;
 
-	if (i >= nlin) 
+	if (i >= nlin)
 		i = nlin - 1;
 	if (ctype(i, c) == 's') {
 		for (ck = c; ctype(i, ck) == 's'; ck--)
@@ -222,13 +222,13 @@ lefdata(int i, int c)
 	}
 	i = stynum[i];
 	i = lefline[c][i];
-	if (i > 0) 
+	if (i > 0)
 		return(i);
-	if (dboxflg && c == 0) 
+	if (dboxflg && c == 0)
 		return(2);
 	if (allflg)
 		return(1);
-	if (boxflg && c == 0) 
+	if (boxflg && c == 0)
 		return(1);
 	return(0);
 }
@@ -239,7 +239,7 @@ next(int i)
 {
 	while (i + 1 < nlin) {
 		i++;
-		if (!fullbot[i] && !instead[i]) 
+		if (!fullbot[i] && !instead[i])
 			break;
 	}
 	return(i);
@@ -253,5 +253,3 @@ prev(int i)
 		;
 	return(i);
 }
-
-
diff --git a/src/cmd/tbl/tv.c b/src/cmd/tbl/tv.c
index 19a4b03f..0fb330cc 100644
--- a/src/cmd/tbl/tv.c
+++ b/src/cmd/tbl/tv.c
@@ -10,12 +10,12 @@ drawvert(int start, int end, int c, int lwid)
 	end++;
 	vm = 'v';
 				/* note: nr 35 has value of 1m outside of linesize */
-	while (instead[end]) 
+	while (instead[end])
 		end++;
 	for (ln = 0; ln < lwid; ln++) {
 		epb = ept = 0;
 		pos = 2 * ln - lwid + 1;
-		if (pos != tp) 
+		if (pos != tp)
 			Bprint(&tabout, "\\h'%dp'", pos - tp);
 		tp = pos;
 		if (end < nlin) {
@@ -24,53 +24,53 @@ drawvert(int start, int end, int c, int lwid)
 			else
 				switch (midbar(end, c)) {
 				case '-':
-					exb = "1v-.5m"; 
+					exb = "1v-.5m";
 					break;
 				case '=':
 					exb = "1v-.5m";
-					epb = 1; 
+					epb = 1;
 					break;
 				}
 		}
 		if (lwid > 1)
 			switch (interh(end, c)) {
-			case THRU: 
-				epb -= 1; 
+			case THRU:
+				epb -= 1;
 				break;
-			case RIGHT: 
-				epb += (ln == 0 ? 1 : -1); 
+			case RIGHT:
+				epb += (ln == 0 ? 1 : -1);
 				break;
-			case LEFT: 
-				epb += (ln == 1 ? 1 : -1); 
+			case LEFT:
+				epb += (ln == 1 ? 1 : -1);
 				break;
 			}
 		if (lwid == 1)
 			switch (interh(end, c)) {
-			case THRU: 
-				epb -= 1; 
+			case THRU:
+				epb -= 1;
 				break;
-			case RIGHT: 
-			case LEFT: 
-				epb += 1; 
+			case RIGHT:
+			case LEFT:
+				epb += 1;
 				break;
 			}
 		if (start > 0) {
 			sl = start - 1;
-			while (sl >= 0 && instead[sl]) 
+			while (sl >= 0 && instead[sl])
 				sl--;
 			if (sl >= 0 && (fullbot[sl] || allh(sl)))
 				ept = 0;
 			else if (sl >= 0)
 				switch (midbar(sl, c)) {
 				case '-':
-					ext = ".5m"; 
+					ext = ".5m";
 					break;
 				case '=':
-					ext = ".5m"; 
-					ept = -1; 
+					ext = ".5m";
+					ept = -1;
 					break;
 				default:
-					vm = 'm'; 
+					vm = 'm';
 					break;
 				}
 			else
@@ -81,24 +81,24 @@ drawvert(int start, int end, int c, int lwid)
 		}
 		if (lwid > 1)
 			switch (interh(start, c)) {
-			case THRU: 
-				ept += 1; 
+			case THRU:
+				ept += 1;
 				break;
-			case LEFT: 
-				ept += (ln == 0 ? 1 : -1); 
+			case LEFT:
+				ept += (ln == 0 ? 1 : -1);
 				break;
-			case RIGHT: 
-				ept += (ln == 1 ? 1 : -1); 
+			case RIGHT:
+				ept += (ln == 1 ? 1 : -1);
 				break;
 			}
 		else if (lwid == 1)
 			switch (interh(start, c)) {
-			case THRU: 
-				ept += 1; 
+			case THRU:
+				ept += 1;
 				break;
-			case LEFT: 
-			case RIGHT: 
-				ept -= 1; 
+			case LEFT:
+			case RIGHT:
+				ept -= 1;
 				break;
 			}
 		if (exb)
@@ -163,11 +163,11 @@ midbcol(int i, int c)
 int
 barent(char *s)
 {
-	if (s == 0) 
+	if (s == 0)
 		return (1);
-	if (!point(s)) 
+	if (!point(s))
 		return(0);
-	if (s[0] == '\\') 
+	if (s[0] == '\\')
 		s++;
 	if (s[1] != 0)
 		return(0);
@@ -179,5 +179,3 @@ barent(char *s)
 	}
 	return(0);
 }
-
-