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>

26 files changed, 117 insertions, 137 deletions

diff --git a/src/cmd/htmlroff/a.h b/src/cmd/htmlroff/a.h
index 173fdc96..a4209178 100644
--- a/src/cmd/htmlroff/a.h
+++ b/src/cmd/htmlroff/a.h
@@ -23,13 +23,13 @@ enum
 
 	UPI = 720,	/* units per inch */
 	UPX = 10,	/* units per pixel */
-	
+
 	/* special input modes */
 	CopyMode = 1<<1,
 	ExpandMode = 1<<2,
 	ArgMode = 1<<3,
 	HtmlMode = 1<<4,
-	
+
 	MaxLine = 1024
 };
 
diff --git a/src/cmd/htmlroff/char.c b/src/cmd/htmlroff/char.c
index 151c9339..9e213e13 100644
--- a/src/cmd/htmlroff/char.c
+++ b/src/cmd/htmlroff/char.c
@@ -12,7 +12,7 @@ rune2html(Rune r)
 	static Rune **tcscache[256];
 	int p[2];
 	char *q;
-	
+
 	if(r == '\n')
 		return L("\n");
 
@@ -79,7 +79,7 @@ troff2rune(Rune *rs)
 	char *file, *f[10], *p, s[3];
 	int i, nf;
 	Biobuf *b;
-	
+
 	if(rs[0] >= Runeself || rs[1] >= Runeself)
 		return Runeerror;
 	s[0] = rs[0];
@@ -103,14 +103,13 @@ troff2rune(Rune *rs)
 			}
 		}
 		Bterm(b);
-		
+
 		if(ntrtab >= nelem(trtab))
 			fprint(2, "%s: trtab too small\n", argv0);
 	}
-	
+
 	for(i=0; i<ntrtab; i++)
 		if(strcmp(s, trtab[i].t) == 0)
 			return trtab[i].r;
 	return Runeerror;
 }
-
diff --git a/src/cmd/htmlroff/html.c b/src/cmd/htmlroff/html.c
index 81095995..98b123f8 100644
--- a/src/cmd/htmlroff/html.c
+++ b/src/cmd/htmlroff/html.c
@@ -22,7 +22,7 @@ closingtag(Rune *s)
 {
 	Rune *t;
 	Rune *p0, *p;
-	
+
 	t = runemalloc(sizeof(Rune));
 	if(s == nil)
 		return t;
@@ -44,7 +44,7 @@ closingtag(Rune *s)
 			runemove(t+2, p0, p-p0);
 			t[2+(p-p0)] = Ugt;
 		}
-		
+
 		if(*p == Ugt && p>s && *(p-1) == '/'){
 		close:
 			for(p0=t+1; *p0 && *p0 != Ult; p0++)
@@ -52,7 +52,7 @@ closingtag(Rune *s)
 			runemove(t, p0, runestrlen(p0)+1);
 		}
 	}
-	return t;	
+	return t;
 }
 
 void
@@ -108,7 +108,7 @@ void
 closehtml(void)
 {
 	Tag *t, *next;
-	
+
 	br();
 	hideihtml();
 	for(t=tagstack; t; t=next){
@@ -230,7 +230,7 @@ void
 r_html(Rune *name)
 {
 	Rune *id, *line, *p;
-	
+
 	id = copyarg();
 	line = readline(HtmlMode);
 	for(p=line; *p; p++){
@@ -281,7 +281,6 @@ htmlinit(void)
 	addesc('`', e_btick, CopyMode);
 	addesc('-', e_minus, CopyMode);
 	addesc('@', e_at, CopyMode);
-	
+
 	ds(L("font"), L(defaultfont));
 }
-
diff --git a/src/cmd/htmlroff/input.c b/src/cmd/htmlroff/input.c
index 99e0d56e..a4c4bc3a 100644
--- a/src/cmd/htmlroff/input.c
+++ b/src/cmd/htmlroff/input.c
@@ -65,7 +65,7 @@ _inputfile(Rune *s, void (*push)(Istack*))
 	Istack *is;
 	Biobuf *b;
 	char *t;
-	
+
 	t = esmprint("%S", s);
 	if((b = Bopen(t, OREAD)) == nil){
 		free(t);
@@ -95,7 +95,7 @@ queueinputfile(Rune *s)
 
 int
 _inputstdin(void (*push)(Istack*))
-{	
+{
 	Biobuf *b;
 	Istack *is;
 
@@ -128,7 +128,7 @@ void
 _inputstring(Rune *s, void (*push)(Istack*))
 {
 	Istack *is;
-	
+
 	is = emalloc(sizeof *is);
 	is->s = erunestrdup(s);
 	is->p = is->s;
@@ -176,7 +176,7 @@ getrune(void)
 {
 	Rune r;
 	int c;
-	
+
 top:
 	if(istack == nil)
 		return -1;
@@ -199,7 +199,7 @@ top:
 		sysfatal("getrune - can't happen");
 	}
 	if(r == '\n')
-		istack->lineno++;	
+		istack->lineno++;
 	return r;
 }
 
@@ -215,7 +215,7 @@ int
 linefmt(Fmt *f)
 {
 	Istack *is;
-	
+
 	for(is=istack; is && !is->b; is=is->next)
 		;
 	if(is)
@@ -228,7 +228,7 @@ void
 setlinenumber(Rune *s, int n)
 {
 	Istack *is;
-	
+
 	for(is=istack; is && !is->name; is=is->next)
 		;
 	if(is){
diff --git a/src/cmd/htmlroff/main.c b/src/cmd/htmlroff/main.c
index b6af1e7b..bd77a225 100644
--- a/src/cmd/htmlroff/main.c
+++ b/src/cmd/htmlroff/main.c
@@ -23,11 +23,11 @@ main(int argc, char **argv)
 	char *p;
 	Rune *r;
 	Rune buf[2];
-	
+
 	Binit(&bout, 1, OWRITE);
 	fmtinstall('L', linefmt);
 	quotefmtinstall();
-	
+
 	tmacdir = unsharp("#9/tmac");
 	dostdin = 0;
 	ARGBEGIN{
@@ -63,10 +63,9 @@ main(int argc, char **argv)
 	}
 	if(argc == 0 || dostdin)
 		queuestdin();
-	
+
 	run();
 	Bprint(&bout, "\n");
 	Bterm(&bout);
 	exits(nil);
 }
-
diff --git a/src/cmd/htmlroff/roff.c b/src/cmd/htmlroff/roff.c
index bdc51a3e..34b794be 100644
--- a/src/cmd/htmlroff/roff.c
+++ b/src/cmd/htmlroff/roff.c
@@ -59,7 +59,7 @@ void
 addraw(Rune *name, void (*f)(Rune*))
 {
 	Raw *r;
-	
+
 	if(nraw >= nelem(raw)){
 		fprint(2, "too many raw requets\n");
 		return;
@@ -73,7 +73,7 @@ void
 delraw(Rune *name)
 {
 	int i;
-	
+
 	for(i=0; i<nraw; i++){
 		if(runestrcmp(raw[i].name, name) == 0){
 			if(i != --nraw){
@@ -89,7 +89,7 @@ void
 renraw(Rune *from, Rune *to)
 {
 	int i;
-	
+
 	delraw(to);
 	for(i=0; i<nraw; i++)
 		if(runestrcmp(raw[i].name, from) == 0){
@@ -135,7 +135,7 @@ void
 renreq(Rune *from, Rune *to)
 {
 	int i;
-	
+
 	delreq(to);
 	for(i=0; i<nreq; i++)
 		if(runestrcmp(req[i].name, from) == 0){
@@ -149,7 +149,7 @@ void
 addesc(Rune r, int (*f)(void), int mode)
 {
 	Esc *e;
-	
+
 	if(nesc >= nelem(esc)){
 		fprint(2, "too many escapes\n");
 		return;
@@ -256,7 +256,7 @@ copyarg(void)
 	static Rune buf[MaxLine];
 	int c;
 	Rune *r;
-	
+
 	if(_readx(buf, sizeof buf, ArgMode, 0) < 0)
 		return nil;
 	r = runestrstr(buf, L("\\\""));
@@ -266,7 +266,7 @@ copyarg(void)
 			;
 		ungetrune('\n');
 	}
-	r = erunestrdup(buf);	
+	r = erunestrdup(buf);
 	return r;
 }
 
@@ -322,7 +322,7 @@ parseargs(Rune *p, Rune **argv)
 						*w++ = *p;
 				}
 				*w = 0;
-			}	
+			}
 		}else{
 			/* unquoted argument - need to watch out for \" comment */
 			for(; *p; p++){
@@ -369,7 +369,7 @@ dotline(int dot)
 			raw[i].f(raw[i].name);
 			free(a);
 			return;
-		}	
+		}
 	}
 
 	/*
@@ -515,7 +515,7 @@ void
 runinput(void)
 {
 	int c;
-	
+
 	bol = 1;
 	for(;;){
 		c = getnext();
@@ -573,7 +573,7 @@ run(void)
 	t20init();
 	htmlinit();
 	hideihtml();
-	
+
 	addreq(L("margin"), r_margin, 1);
 	nr(L(".margin"), 1);
 	nr(L(".paragraph"), 1);
@@ -603,7 +603,7 @@ void
 inroman(Rune r)
 {
 	int f;
-	
+
 	f = getnr(L(".f"));
 	nr(L(".f"), 1);
 	runmacro1(L("font"));
@@ -631,7 +631,7 @@ void
 outhtml(Rune *s)
 {
 	Rune r;
-	
+
 	for(; *s; s++){
 		switch(r = *s){
 		case '<':
diff --git a/src/cmd/htmlroff/t1.c b/src/cmd/htmlroff/t1.c
index 8236694d..c68ada77 100644
--- a/src/cmd/htmlroff/t1.c
+++ b/src/cmd/htmlroff/t1.c
@@ -1,5 +1,5 @@
 #include "a.h"
- 
+
 /*
  * Section 1 - General Explanation.
  */
@@ -10,7 +10,7 @@ int
 scale2units(char c)
 {
 	int x;
-	
+
 	switch(c){
 	case 'i':	/* inch */
 		return UPI;
@@ -49,7 +49,7 @@ long
 runestrtol(Rune *a, Rune **p)
 {
 	long n;
-	
+
 	n = 0;
 	while('0' <= *a && *a <= '9'){
 		n = n*10 + *a-'0';
@@ -111,7 +111,7 @@ eval0(Rune **pline, int scale, int recur)
 		*pline = p;
 		return x;
 	}
-	
+
 	while(*p){
 		switch(*p++) {
 		case '+':
@@ -176,11 +176,10 @@ void
 t1init(void)
 {
 	Tm tm;
-	
+
 	tm = *localtime(time(0));
 	nr(L("dw"), tm.wday+1);
 	nr(L("dy"), tm.mday);
 	nr(L("mo"), tm.mon);
 	nr(L("yr"), tm.year%100);
 }
-
diff --git a/src/cmd/htmlroff/t10.c b/src/cmd/htmlroff/t10.c
index 4aa74532..64d63f41 100644
--- a/src/cmd/htmlroff/t10.c
+++ b/src/cmd/htmlroff/t10.c
@@ -58,7 +58,7 @@ int
 e_bang(void)
 {
 	Rune *line;
-	
+
 	line = readline(CopyMode);
 	out(line);
 	outrune('\n');
@@ -70,7 +70,7 @@ int
 e_X(void)
 {
 	int c, c1;
-	
+
 	c1 = getrune();
 	if(c1 < 0 || c1 == '\n') {
 		c = c1;
@@ -119,7 +119,7 @@ void
 r_comment(Rune *name)
 {
 	int c;
-	
+
 	USED(name);
 	while((c = getrune()) >= 0 && c != '\n')
 		;
@@ -136,11 +136,10 @@ t10init(void)
 	addreq(L("tr"), r_warn, -1);
 	addreq(L("ul"), r_nop, -1);
 	addraw(L("\\\""), r_comment);
-	
+
 	addesc('!', e_bang, 0);
 	addesc('X', e_X, 0);
 	addesc('\"', e_quote, CopyMode|ArgMode);
 	addesc('\n', e_newline, CopyMode|ArgMode|HtmlMode);
 	addesc('e', e_e, 0);
 }
-
diff --git a/src/cmd/htmlroff/t11.c b/src/cmd/htmlroff/t11.c
index dd1dd75b..2e273ac4 100644
--- a/src/cmd/htmlroff/t11.c
+++ b/src/cmd/htmlroff/t11.c
@@ -109,4 +109,3 @@ t11init(void)
 	addesc('r', e_r, 0);
 	addesc('k', e_k, 0);
 }
-
diff --git a/src/cmd/htmlroff/t13.c b/src/cmd/htmlroff/t13.c
index 0fadab3a..b2922f6a 100644
--- a/src/cmd/htmlroff/t13.c
+++ b/src/cmd/htmlroff/t13.c
@@ -11,7 +11,6 @@ t13init(void)
 	addreq(L("hy"), r_nop, -1);
 	addreq(L("hc"), r_nop, -1);
 	addreq(L("hw"), r_nop, -1);
-	
+
 	addesc('%', e_nop, 0);
 }
-
diff --git a/src/cmd/htmlroff/t14.c b/src/cmd/htmlroff/t14.c
index 1dab3516..4242dd70 100644
--- a/src/cmd/htmlroff/t14.c
+++ b/src/cmd/htmlroff/t14.c
@@ -7,7 +7,7 @@ void
 r_lt(int argc, Rune **argv)
 {
 	Rune *p;
-	
+
 	if(argc < 2)
 		nr(L(".lt"), evalscale(L("6.5i"), 'm'));
 	else{
@@ -30,4 +30,3 @@ t14init(void)
 	addreq(L("pc"), r_nop, -1);	/* page number char */
 	addreq(L("lt"), r_lt, -1);
 }
-
diff --git a/src/cmd/htmlroff/t15.c b/src/cmd/htmlroff/t15.c
index fbfd5128..221f642e 100644
--- a/src/cmd/htmlroff/t15.c
+++ b/src/cmd/htmlroff/t15.c
@@ -10,4 +10,3 @@ t15init(void)
 	addreq(L("nm"), r_warn, -1);
 	addreq(L("nn"), r_warn, -1);
 }
-
diff --git a/src/cmd/htmlroff/t16.c b/src/cmd/htmlroff/t16.c
index 3a9c427e..9389a59a 100644
--- a/src/cmd/htmlroff/t16.c
+++ b/src/cmd/htmlroff/t16.c
@@ -24,7 +24,7 @@ void
 startbody(void)
 {
 	int c;
-			
+
 	while((c = getrune()) == ' ' || c == '\t')
 		;
 	ungetrune(c);
@@ -52,7 +52,7 @@ ifeval(void)
 	int c, cc, neg, nc;
 	Rune line[MaxLine], *p, *e, *q;
 	Rune *a;
-	
+
 	while((c = getnext()) == ' ' || c == '\t')
 		;
 	neg = 0;
@@ -68,7 +68,7 @@ ifeval(void)
 		free(a);
 		return c;
 	}
-	
+
 	switch(c){
 	case ' ':
 	case '\n':
@@ -111,12 +111,12 @@ ifeval(void)
 	return (q-line == p-(q+1)
 		&& memcmp(line, q+1, (q-line)*sizeof(Rune))==0) ^ neg;
 }
-	
+
 void
 r_if(Rune *name)
 {
 	int n;
-	
+
 	n = ifeval();
 	if(runestrcmp(name, L("ie")) == 0){
 		if(niftrue >= nelem(iftrue))
@@ -133,7 +133,7 @@ void
 r_el(Rune *name)
 {
 	USED(name);
-	
+
 	if(niftrue <= 0){
 		warn("%Cel underflow", dot);
 		return;
@@ -150,7 +150,7 @@ t16init(void)
 	addraw(L("if"), r_if);
 	addraw(L("ie"), r_if);
 	addraw(L("el"), r_el);
-	
+
 	addesc('{', e_nop, HtmlMode|ArgMode);
 	addesc('}', e_nop, HtmlMode|ArgMode);
 }
diff --git a/src/cmd/htmlroff/t17.c b/src/cmd/htmlroff/t17.c
index bbd095d5..74096c5c 100644
--- a/src/cmd/htmlroff/t17.c
+++ b/src/cmd/htmlroff/t17.c
@@ -97,7 +97,7 @@ r_ev(int argc, Rune **argv)
 {
 	int i;
 	Env *e;
-	
+
 	if(argc == 1){
 		if(nevstack <= 0){
 			if(verbose) warn(".ev stack underflow");
@@ -123,7 +123,7 @@ void
 t17init(void)
 {
 	int i;
-	
+
 	for(i=0; i<nelem(env); i++)
 		env[i] = defenv;
 
diff --git a/src/cmd/htmlroff/t18.c b/src/cmd/htmlroff/t18.c
index f5c74a1f..51f08219 100644
--- a/src/cmd/htmlroff/t18.c
+++ b/src/cmd/htmlroff/t18.c
@@ -11,7 +11,7 @@ r_rd(int argc, Rune **argv)
 	Fmt fmt;
 	static int didstdin;
 	static Biobuf bstdin;
-	
+
 	/*
 	 * print prompt, then read until double newline,
 	 * then run the text just read as though it were
@@ -23,7 +23,7 @@ r_rd(int argc, Rune **argv)
 		else
 			fprint(2, "%c", 7/*BEL*/);
 	}
-	
+
 	if(!didstdin){
 		Binit(&bstdin, 0, OREAD);
 		didstdin = 1;
@@ -54,7 +54,7 @@ r_ex(int argc, Rune **argv)
 {
 	USED(argc);
 	USED(argv);
-	
+
 	while(popinput())
 		;
 }
diff --git a/src/cmd/htmlroff/t19.c b/src/cmd/htmlroff/t19.c
index a4cc18f4..bd633834 100644
--- a/src/cmd/htmlroff/t19.c
+++ b/src/cmd/htmlroff/t19.c
@@ -17,7 +17,7 @@ void
 r_nx(int argc, Rune **argv)
 {
 	int n;
-	
+
 	if(argc == 1){
 		while(popinput())
 			;
@@ -74,7 +74,7 @@ r_inputpipe(Rune *name)
 	Rune *cmd, *stop, *line;
 	int n, pid, p[2], len;
 	Waitmsg *w;
-	
+
 	USED(name);
 	if(pipe(p) < 0){
 		warn("pipe: %r");
@@ -104,7 +104,7 @@ r_inputpipe(Rune *name)
 		fprint(p[1], ".ll 8i\n");
 		fprint(p[1], ".pl 30i\n");
 		while((line = readline(~0)) != nil){
-			if(runestrncmp(line, stop, len) == 0 
+			if(runestrncmp(line, stop, len) == 0
 			&& (line[len]==' ' || line[len]==0 || line[len]=='\t'
 				|| (line[len]=='\\' && line[len+1]=='}')))
 				break;
@@ -125,7 +125,7 @@ r_inputpipe(Rune *name)
 		free(cmd);
 		free(w);
 	}
-}	
+}
 
 void
 t19init(void)
@@ -136,7 +136,6 @@ t19init(void)
 	addraw(L("inputpipe"), r_inputpipe);
 	addraw(L("pi"), r_pi);
 	addreq(L("cf"), r_cf, 1);
-	
+
 	nr(L("$$"), getpid());
 }
-
diff --git a/src/cmd/htmlroff/t2.c b/src/cmd/htmlroff/t2.c
index daac3ea1..1831660e 100644
--- a/src/cmd/htmlroff/t2.c
+++ b/src/cmd/htmlroff/t2.c
@@ -3,14 +3,14 @@
 /*
  * Section 2 - Font and character size control.
  */
- 
+
 /* 2.1 - Character set */
 /* XXX
  *
  * \C'name' - character named name
  * \N'n' - character number
  * \(xx - two-letter character
- * \- 
+ * \-
  * \`
  * \'
  * `
@@ -24,10 +24,10 @@ getqarg(void)
 	static Rune buf[MaxLine];
 	int c;
 	Rune *p, *e;
-	
+
 	p = buf;
 	e = p + nelem(buf) - 1;
-	
+
 	if(getrune() != '\'')
 		return nil;
 	while(p < e){
@@ -60,7 +60,7 @@ e_paren(void)
 {
 	int c, cc;
 	Rune buf[2], r;
-	
+
 	if((c = getrune()) < 0 || c == '\n')
 		goto error;
 	if((cc = getrune()) < 0 || cc == '\n')
@@ -71,7 +71,7 @@ e_paren(void)
  	if(r == Runeerror)
 		warn("unknown char %C(%C%C", backslash, c, cc);
 	return r;
-	
+
 error:
 	warn("malformed %C(xx", backslash);
 	return 0;
@@ -92,7 +92,7 @@ ft(Rune *f)
 {
 	int i;
 	int fn;
-	
+
 	if(f && runestrcmp(f, L("P")) == 0)
 		f = nil;
 	if(f == nil)
@@ -131,7 +131,7 @@ fp(int i, Rune *f)
 	}
 	runestrecpy(fonttab[i], fonttab[i]+sizeof fonttab[i], f);
 }
-	
+
 int
 e_f(void)
 {
@@ -177,7 +177,7 @@ void
 r_ps(int argc, Rune **argv)
 {
 	Rune *p;
-	
+
 	if(argc == 1 || argv[1][0] == 0)
 		ps(0);
 	else{
@@ -195,7 +195,7 @@ int
 e_s(void)
 {
 	int c, cc, ccc, n, twodigit;
-	
+
 	c = getnext();
 	if(c < 0)
 		return 0;
@@ -253,7 +253,7 @@ t2init(void)
 	fp(3, L("B"));
 	fp(4, L("BI"));
 	fp(5, L("CW"));
-	
+
 	nr(L(".s"), 10);
 	nr(L(".s0"), 10);
 
@@ -271,4 +271,3 @@ t2init(void)
 	addesc('N', e_N, 0);
 	/* \- \' \` are handled in html.c */
 }
-
diff --git a/src/cmd/htmlroff/t20.c b/src/cmd/htmlroff/t20.c
index 62ea914f..00e31455 100644
--- a/src/cmd/htmlroff/t20.c
+++ b/src/cmd/htmlroff/t20.c
@@ -13,7 +13,7 @@ void
 r_pm(int argc, Rune **argv)
 {
 	int i;
-	
+
 	if(argc == 1){
 		printds(0);
 		return;
@@ -30,9 +30,9 @@ void
 r_tm(Rune *name)
 {
 	Rune *line;
-	
+
 	USED(name);
-	
+
 	line = readline(CopyMode);
 	fprint(2, "%S\n", line);
 	free(line);
@@ -42,7 +42,7 @@ void
 r_ab(Rune *name)
 {
 	USED(name);
-	
+
 	r_tm(L("ab"));
 	exits(".ab");
 }
@@ -76,4 +76,3 @@ t20init(void)
 	addreq(L("pm"), r_pm, -1);
 	addreq(L("fl"), r_fl, 0);
 }
-
diff --git a/src/cmd/htmlroff/t3.c b/src/cmd/htmlroff/t3.c
index e54573c1..354ffc2a 100644
--- a/src/cmd/htmlroff/t3.c
+++ b/src/cmd/htmlroff/t3.c
@@ -37,7 +37,7 @@ t3init(void)
 	nr(L(".o"), eval(L("1i")));
 	nr(L(".o0"), eval(L("1i")));
 	nr(L(".p"), eval(L("11i")));
-	
+
 	addreq(L("pl"), r_warn, -1);
 	addreq(L("bp"), r_nop, -1);
 	addreq(L("pn"), r_warn, -1);
@@ -46,4 +46,3 @@ t3init(void)
 	addreq(L("mk"), r_nop, -1);
 	addreq(L("rt"), r_warn, -1);
 }
-
diff --git a/src/cmd/htmlroff/t4.c b/src/cmd/htmlroff/t4.c
index 157169de..8a301321 100644
--- a/src/cmd/htmlroff/t4.c
+++ b/src/cmd/htmlroff/t4.c
@@ -1,7 +1,7 @@
 #include "a.h"
 
 /*
- * 4 - Text filling, centering, and adjusting.  
+ * 4 - Text filling, centering, and adjusting.
  * 	"\ " - unbreakable space
  * 	.n register - length of last line
  *	nl register - text baseline position on this page
@@ -66,7 +66,7 @@ void
 r_ad(int argc, Rune **argv)
 {
 	int c, n;
-	
+
 	nr(L(".j"), getnr(L(".j"))|1);
 	if(argc < 2)
 		return;
@@ -133,10 +133,9 @@ t4init(void)
 	addreq(L("ad"), r_ad, -1);
 	addreq(L("na"), r_na, 0);
 	addreq(L("ce"), r_ce, -1);
-	
+
 	addesc(' ', e_space, 0);
 	addesc('p', e_warn, 0);
 	addesc('&', e_amp, 0);
 	addesc('c', e_c, 0);
 }
-
diff --git a/src/cmd/htmlroff/t5.c b/src/cmd/htmlroff/t5.c
index cb951951..226da09b 100644
--- a/src/cmd/htmlroff/t5.c
+++ b/src/cmd/htmlroff/t5.c
@@ -49,7 +49,7 @@ sp(int v)
 {
 	Rune buf[100];
 	double fv;
-	
+
 	br();
 	fv = v * 1.0/UPI;
 	if(fv > 5)
@@ -93,7 +93,7 @@ r_rs(int argc, Rune **argv)
 
 void
 t5init(void)
-{	
+{
 	addreq(L("vs"), r_vs, -1);
 	addreq(L("ls"), r_ls, -1);
 	addreq(L("sp"), r_sp, -1);
@@ -107,4 +107,3 @@ t5init(void)
 	nr(L(".ls"), 1);
 	nr(L(".ls0"), 1);
 }
-
diff --git a/src/cmd/htmlroff/t6.c b/src/cmd/htmlroff/t6.c
index 130f535f..3090cd26 100644
--- a/src/cmd/htmlroff/t6.c
+++ b/src/cmd/htmlroff/t6.c
@@ -71,7 +71,6 @@ t6init(void)
 	addreq(L("ll"), r_ll, -1);
 	addreq(L("in"), r_in, -1);
 	addreq(L("ti"), r_ti, 1);
-	
+
 	nr(L(".l"), eval(L("6.5i")));
 }
-
diff --git a/src/cmd/htmlroff/t7.c b/src/cmd/htmlroff/t7.c
index 9936a44c..cee43927 100644
--- a/src/cmd/htmlroff/t7.c
+++ b/src/cmd/htmlroff/t7.c
@@ -36,7 +36,7 @@ runmacro(int dot, int argc, Rune **argv)
 	Rune *p;
 	int i;
 	Mac *m;
-	
+
 if(verbose && isupperrune(argv[0][0])) fprint(2, "run: %S\n", argv[0]);
 	p = getds(argv[0]);
 	if(p == nil){
@@ -71,7 +71,7 @@ popmacro(void)
 {
 	int i;
 	Mac *m;
-	
+
 	if(--nmstack < 0){
 		fprint(2, "%L: macro stack underflow\n");
 		return;
@@ -94,7 +94,7 @@ runmacro1(Rune *name)
 {
 	Rune *argv[2];
 	int obol;
-	
+
 if(verbose) fprint(2, "outcb %p\n", outcb);
 	obol = bol;
 	argv[0] = name;
@@ -134,7 +134,7 @@ popmacro1(void)
 /*
  * diversions
  *
- *	processed output diverted 
+ *	processed output diverted
  *	dn dl registers vertical and horizontal size of last diversion
  *	.z - current diversion name
  */
@@ -195,7 +195,7 @@ void
 r_ch(int argc, Rune **argv)
 {
 	int i;
-	
+
 	if(argc == 2){
 		if(trap0 && runestrcmp(argv[1], trap0) == 0){
 			free(trap0);
@@ -244,7 +244,7 @@ r_de(int argc, Rune **argv)
 		fmtrunestrcpy(&fmt, p);
 	len = runestrlen(end);
 	while((p = readline(CopyMode)) != nil){
-		if(runestrncmp(p, end, len) == 0 
+		if(runestrncmp(p, end, len) == 0
 		&& (p[len]==' ' || p[len]==0 || p[len]=='\t'
 			|| (p[len]=='\\' && p[len+1]=='}'))){
 			free(p);
@@ -270,7 +270,7 @@ void
 r_ds(Rune *cmd)
 {
 	Rune *name, *line, *p;
-	
+
 	name = copyarg();
 	line = readline(CopyMode);
 	if(name == nil || line == nil){
@@ -335,7 +335,7 @@ flushdi(void)
 {
 	int n;
 	Rune *p;
-	
+
 	if(ndi == 0 || difmtinit == 0)
 		return;
 	fmtrune(&difmt, Uunformatted);
@@ -448,7 +448,7 @@ void
 r_em(int argc, Rune **argv)
 {
 	Rune buf[20];
-	
+
 	USED(argc);
 	runesnprint(buf, nelem(buf), ".%S\n", argv[1]);
 	as(L("eof"), buf);
@@ -458,7 +458,7 @@ int
 e_star(void)
 {
 	Rune *p;
-	
+
 	p = getds(getname());
 	if(p)
 		pushinputstring(p);
@@ -514,7 +514,7 @@ e_dollar(void)
 
 void
 t7init(void)
-{	
+{
 	addreq(L("de"), r_de, -1);
 	addreq(L("am"), r_de, -1);
 	addreq(L("ig"), r_de, -1);
@@ -529,15 +529,14 @@ t7init(void)
 	addreq(L("wh"), r_wh, -1);
 	addreq(L("ch"), r_ch, -1);
 	addreq(L("dt"), r_dt, -1);
-	
+
 	addesc('$', e_dollar, CopyMode|ArgMode|HtmlMode);
 	addesc('*', e_star, CopyMode|ArgMode|HtmlMode);
 	addesc('t', e_t, CopyMode|ArgMode);
 	addesc('a', e_a, CopyMode|ArgMode);
 	addesc('\\', e_backslash, ArgMode|CopyMode);
 	addesc('.', e_dot, CopyMode|ArgMode);
-	
+
 	ds(L("eof"), L(".sp 0.5i\n"));
 	ds(L(".."), L(""));
 }
-
diff --git a/src/cmd/htmlroff/t8.c b/src/cmd/htmlroff/t8.c
index ead5a020..511737ce 100644
--- a/src/cmd/htmlroff/t8.c
+++ b/src/cmd/htmlroff/t8.c
@@ -74,7 +74,7 @@ Rune*
 getdsnr(Rune *name, Reg *list)
 {
 	Reg *s;
-	
+
 	for(s=list; s; s=s->next)
 		if(runestrcmp(name, s->name) == 0)
 			return s->val;
@@ -91,7 +91,7 @@ void
 as(Rune *name, Rune *val)
 {
 	Rune *p, *q;
-	
+
 	p = getds(name);
 	if(p == nil)
 		p = L("");
@@ -113,7 +113,7 @@ printds(int t)
 {
 	int n, total;
 	Reg *s;
-	
+
 	total = 0;
 	for(s=dslist; s; s=s->next){
 		if(s->val)
@@ -131,7 +131,7 @@ void
 nr(Rune *name, int val)
 {
 	Rune buf[20];
-	
+
 	runesnprint(buf, nelem(buf), "%d", val);
 	_nr(name, buf);
 }
@@ -152,7 +152,7 @@ Rune*
 getaf(Rune *name)
 {
 	Reg *s;
-	
+
 	for(s=nrlist; s; s=s->next)
 		if(runestrcmp(s->name, name) == 0)
 			return s->fmt;
@@ -163,7 +163,7 @@ void
 printnr(void)
 {
 	Reg *r;
-	
+
 	for(r=nrlist; r; r=r->next)
 		fprint(2, "%S %S %d\n", r->name, r->val, r->inc);
 }
@@ -225,7 +225,7 @@ void
 r_af(int argc, Rune **argv)
 {
 	USED(argc);
-	
+
 	af(argv[1], argv[2]);
 }
 
@@ -234,7 +234,7 @@ void
 r_rr(int argc, Rune **argv)
 {
 	int i;
-	
+
 	for(i=1; i<argc; i++)
 		_nr(argv[i], nil);
 }
@@ -244,7 +244,7 @@ void
 alpha(Rune *buf, int n, int a)
 {
 	int i, v;
-	
+
 	i = 1;
 	for(v=n; v>0; v/=26)
 		i++;
@@ -284,7 +284,7 @@ roman(Rune *buf, int n, int upper)
 	Rune *p;
 	char *q;
 	struct romanv *r;
-	
+
 	if(upper)
 		upper = 'A' - 'a';
 	if(n >= 5000 || n <= 0){
@@ -309,7 +309,7 @@ getname(void)
 {
 	int i, c, cc;
 	static Rune buf[100];
-	
+
 	/* XXX add [name] syntax as in groff */
 	c = getnext();
 	if(c < 0)
@@ -359,7 +359,7 @@ e_n(void)
 	int inc, v, l;
 	Rune *name, *fmt, buf[100];
 	Reg *s;
-	
+
 	inc = getnext();
 	if(inc < 0)
 		return -1;
@@ -442,8 +442,7 @@ t8init(void)
 	addreq(L("af"), r_af, 2);
 	addreq(L("rr"), r_rr, -1);
 	addreq(L("pnr"), r_pnr, 0);
-	
+
 	addesc('n', e_n, CopyMode|ArgMode|HtmlMode);
 	addesc('g', e_g, 0);
 }
-
diff --git a/src/cmd/htmlroff/t9.c b/src/cmd/htmlroff/t9.c
index c9e04564..6f4c4d6c 100644
--- a/src/cmd/htmlroff/t9.c
+++ b/src/cmd/htmlroff/t9.c
@@ -3,4 +3,3 @@
  */
 
 XXX
-
diff --git a/src/cmd/htmlroff/util.c b/src/cmd/htmlroff/util.c
index 99e99543..15dd4c74 100644
--- a/src/cmd/htmlroff/util.c
+++ b/src/cmd/htmlroff/util.c
@@ -4,7 +4,7 @@ void*
 emalloc(uint n)
 {
 	void *v;
-	
+
 	v = mallocz(n, 1);
 	if(v == nil)
 		sysfatal("out of memory");
@@ -15,7 +15,7 @@ char*
 estrdup(char *s)
 {
 	char *t;
-	
+
 	t = strdup(s);
 	if(t == nil)
 		sysfatal("out of memory");
@@ -38,7 +38,7 @@ void*
 erealloc(void *ov, uint n)
 {
 	void *v;
-	
+
 	v = realloc(ov, n);
 	if(v == nil)
 		sysfatal("out of memory");
@@ -50,7 +50,7 @@ erunesmprint(char *fmt, ...)
 {
 	Rune *s;
 	va_list arg;
-	
+
 	va_start(arg, fmt);
 	s = runevsmprint(fmt, arg);
 	va_end(arg);
@@ -64,7 +64,7 @@ esmprint(char *fmt, ...)
 {
 	char *s;
 	va_list arg;
-	
+
 	va_start(arg, fmt);
 	s = vsmprint(fmt, arg);
 	va_end(arg);
@@ -77,7 +77,7 @@ void
 warn(char *fmt, ...)
 {
 	va_list arg;
-	
+
 	fprint(2, "htmlroff: %L: ");
 	va_start(arg, fmt);
 	vfprint(2, fmt, arg);
@@ -120,4 +120,3 @@ L(char *s)
 	hash[h] = l;
 	return l->r;
 }
-