Add various patches

8 files changed, 3881 insertions, 0 deletions

diff --git a/patch/acme-fixfont/acme.c b/patch/acme-fixfont/acme.c
new file mode 100644
index 0000000..3e0279c
--- /dev/null
+++ b/patch/acme-fixfont/acme.c
@@ -0,0 +1,969 @@
+#include <u.h>
+#include <libc.h>
+#include <draw.h>
+#include <thread.h>
+#include <cursor.h>
+#include <mouse.h>
+#include <keyboard.h>
+#include <frame.h>
+#include <fcall.h>
+#include <plumb.h>
+#include "dat.h"
+#include "fns.h"
+	/* for generating syms in mkfile only: */
+	#include <bio.h>
+	#include "edit.h"
+
+void	mousethread(void*);
+void	keyboardthread(void*);
+void	waitthread(void*);
+void	xfidallocthread(void*);
+void	newwindowthread(void*);
+void plumbproc(void*);
+
+Reffont	**fontcache;
+int		nfontcache;
+char		wdir[512] = ".";
+Reffont	*reffonts[2];
+int		snarffd = -1;
+int		mainpid;
+int		plumbsendfd;
+int		plumbeditfd;
+
+enum{
+	NSnarf = 1000	/* less than 1024, I/O buffer size */
+};
+Rune	snarfrune[NSnarf+1];
+
+char		*fontnames[2];
+
+Command *command;
+
+void	acmeerrorinit(void);
+void	readfile(Column*, char*);
+int	shutdown(void*, char*);
+
+void
+derror(Display*, char *errorstr)
+{
+	error(errorstr);
+}
+
+void
+threadmain(int argc, char *argv[])
+{
+	int i;
+	char *p, *loadfile;
+	char buf[256];
+	Column *c;
+	int ncol;
+	Display *d;
+
+	rfork(RFENVG|RFNAMEG);
+
+	ncol = -1;
+
+	loadfile = nil;
+	ARGBEGIN{
+	case 'a':
+		globalindent[AUTOINDENT] = TRUE;
+		break;
+	case 'b':
+		bartflag = TRUE;
+		break;
+	case 'c':
+		p = ARGF();
+		if(p == nil)
+			goto Usage;
+		ncol = atoi(p);
+		if(ncol <= 0)
+			goto Usage;
+		break;
+	case 'f':
+		fontnames[0] = ARGF();
+		if(fontnames[0] == nil)
+			goto Usage;
+		break;
+	case 'F':
+		fontnames[1] = ARGF();
+		if(fontnames[1] == nil)
+			goto Usage;
+		break;
+	case 'i':
+		globalindent[SPACESINDENT] = TRUE;
+		break;
+	case 'l':
+		loadfile = ARGF();
+		if(loadfile == nil)
+			goto Usage;
+		break;
+	default:
+	Usage:
+		fprint(2, "usage: acme [-aib] [-c ncol] [-f font] [-F fixedfont] [-l loadfile | file...]\n");
+		exits("usage");
+	}ARGEND
+
+	if(fontnames[0] == nil)
+		fontnames[0] = getenv("font");
+	if(fontnames[0] == nil)
+		fontnames[0] = "/lib/font/bit/vga/unicode.font";
+	if(access(fontnames[0], 0) < 0){
+		fprint(2, "acme: can't access %s: %r\n", fontnames[0]);
+		exits("font open");
+	}
+	if(fontnames[1] == nil)
+		fontnames[1] = getenv("fixfont");
+	if(fontnames[1] == nil)
+		fontnames[1] = fontnames[0];
+	fontnames[0] = estrdup(fontnames[0]);
+	fontnames[1] = estrdup(fontnames[1]);
+
+	quotefmtinstall();
+	cputype = getenv("cputype");
+	objtype = getenv("objtype");
+	home = getenv("home");
+	p = getenv("tabstop");
+	if(p != nil){
+		maxtab = strtoul(p, nil, 0);
+		free(p);
+	}
+	if(maxtab == 0)
+		maxtab = 4; 
+	if(loadfile)
+		rowloadfonts(loadfile);
+	putenv("font", fontnames[0]);
+	putenv("fixfont", fontnames[1]);
+	snarffd = open("/dev/snarf", OREAD|OCEXEC);
+	if(cputype){
+		sprint(buf, "/acme/bin/%s", cputype);
+		bind(buf, "/bin", MBEFORE);
+	}
+	bind("/acme/bin", "/bin", MBEFORE);
+	getwd(wdir, sizeof wdir);
+
+	if(geninitdraw(nil, derror, fontnames[0], "acme", nil, Refnone) < 0){
+		fprint(2, "acme: can't open display: %r\n");
+		exits("geninitdraw");
+	}
+	d = display;
+	font = d->defaultfont;
+
+	reffont.f = font;
+	reffonts[0] = &reffont;
+	incref(&reffont);	/* one to hold up 'font' variable */
+	incref(&reffont);	/* one to hold up reffonts[0] */
+	fontcache = emalloc(sizeof(Reffont*));
+	nfontcache = 1;
+	fontcache[0] = &reffont;
+
+	iconinit();
+	timerinit();
+	rxinit();
+
+	cwait = threadwaitchan();
+	ccommand = chancreate(sizeof(Command**), 0);
+	ckill = chancreate(sizeof(Rune*), 0);
+	cxfidalloc = chancreate(sizeof(Xfid*), 0);
+	cxfidfree = chancreate(sizeof(Xfid*), 0);
+	cnewwindow = chancreate(sizeof(Channel*), 0);
+	cerr = chancreate(sizeof(char*), 0);
+	cedit = chancreate(sizeof(int), 0);
+	cexit = chancreate(sizeof(int), 0);
+	cwarn = chancreate(sizeof(void*), 1);
+	if(cwait==nil || ccommand==nil || ckill==nil || cxfidalloc==nil || cxfidfree==nil || cnewwindow==nil || cerr==nil || cedit==nil || cexit==nil || cwarn==nil){
+		fprint(2, "acme: can't create initial channels: %r\n");
+		threadexitsall("channels");
+	}
+
+	mousectl = initmouse(nil, screen);
+	if(mousectl == nil){
+		fprint(2, "acme: can't initialize mouse: %r\n");
+		threadexitsall("mouse");
+	}
+	mouse = mousectl;
+	keyboardctl = initkeyboard(nil);
+	if(keyboardctl == nil){
+		fprint(2, "acme: can't initialize keyboard: %r\n");
+		threadexitsall("keyboard");
+	}
+	mainpid = getpid();
+	plumbeditfd = plumbopen("edit", OREAD|OCEXEC);
+	if(plumbeditfd >= 0){
+		cplumb = chancreate(sizeof(Plumbmsg*), 0);
+		proccreate(plumbproc, nil, STACK);
+	}
+	plumbsendfd = plumbopen("send", OWRITE|OCEXEC);
+
+	fsysinit();
+
+	#define	WPERCOL	8
+	disk = diskinit();
+	if(!loadfile || !rowload(&row, loadfile, TRUE)){
+		rowinit(&row, screen->clipr);
+		if(ncol < 0){
+			if(argc == 0)
+				ncol = 2;
+			else{
+				ncol = (argc+(WPERCOL-1))/WPERCOL;
+				if(ncol < 2)
+					ncol = 2;
+			}
+		}
+		if(ncol == 0)
+			ncol = 2;
+		for(i=0; i<ncol; i++){
+			c = rowadd(&row, nil, -1);
+			if(c==nil && i==0)
+				error("initializing columns");
+		}
+		c = row.col[row.ncol-1];
+		if(argc == 0)
+			readfile(c, wdir);
+		else
+			for(i=0; i<argc; i++){
+				p = utfrrune(argv[i], '/');
+				if((p!=nil && strcmp(p, "/guide")==0) || i/WPERCOL>=row.ncol)
+					readfile(c, argv[i]);
+				else
+					readfile(row.col[i/WPERCOL], argv[i]);
+			}
+	}
+	flushimage(display, 1);
+
+	acmeerrorinit();
+	threadcreate(keyboardthread, nil, STACK);
+	threadcreate(mousethread, nil, STACK);
+	threadcreate(waitthread, nil, STACK);
+	threadcreate(xfidallocthread, nil, STACK);
+	threadcreate(newwindowthread, nil, STACK);
+
+	threadnotify(shutdown, 1);
+	recvul(cexit);
+	killprocs();
+	threadexitsall(nil);
+}
+
+void
+readfile(Column *c, char *s)
+{
+	Window *w;
+	Rune rb[256];
+	int nb, nr;
+	Runestr rs;
+
+	w = coladd(c, nil, nil, -1);
+	cvttorunes(s, strlen(s), rb, &nb, &nr, nil);
+	rs = cleanrname((Runestr){rb, nr});
+	winsetname(w, rs.r, rs.nr);
+	textload(&w->body, 0, s, 1);
+	w->body.file->mod = FALSE;
+	w->dirty = FALSE;
+	winsettag(w);
+	textscrdraw(&w->body);
+	textsetselect(&w->tag, w->tag.file->nc, w->tag.file->nc);
+	xfidlog(w, "new");
+}
+
+char *oknotes[] ={
+	"delete",
+	"hangup",
+	"kill",
+	"exit",
+	nil
+};
+
+int	dumping;
+
+int
+shutdown(void*, char *msg)
+{
+	int i;
+
+	killprocs();
+	if(!dumping && strcmp(msg, "kill")!=0 && strcmp(msg, "exit")!=0 && getpid()==mainpid){
+		dumping = TRUE;
+		rowdump(&row, nil);
+	}
+	for(i=0; oknotes[i]; i++)
+		if(strncmp(oknotes[i], msg, strlen(oknotes[i])) == 0)
+			threadexitsall(msg);
+	print("acme: %s\n", msg);
+	abort();
+	return 0;
+}
+
+void
+killprocs(void)
+{
+	Command *c;
+
+	fsysclose();
+//	if(display)
+//		flushimage(display, 1);
+
+	for(c=command; c; c=c->next)
+		postnote(PNGROUP, c->pid, "hangup");
+	remove(acmeerrorfile);
+}
+
+static int errorfd;
+
+void
+acmeerrorproc(void *)
+{
+	char *buf, *s;
+	int n;
+
+	threadsetname("acmeerrorproc");
+	buf = emalloc(8192+1);
+	while((n=read(errorfd, buf, 8192)) >= 0){
+		buf[n] = '\0';
+		s = estrdup(buf);
+		sendp(cerr, s);
+	}
+	free(buf);
+}
+
+void
+acmeerrorinit(void)
+{
+	int fd, pfd[2];
+	char buf[64];
+
+	if(pipe(pfd) < 0)
+		error("can't create pipe");
+	sprint(acmeerrorfile, "/srv/acme.%s.%d", getuser(), mainpid);
+	fd = create(acmeerrorfile, OWRITE, 0666);
+	if(fd < 0){
+		remove(acmeerrorfile);
+  		fd = create(acmeerrorfile, OWRITE, 0666);
+		if(fd < 0)
+			error("can't create acmeerror file");
+	}
+	sprint(buf, "%d", pfd[0]);
+	write(fd, buf, strlen(buf));
+	close(fd);
+	/* reopen pfd[1] close on exec */
+	sprint(buf, "/fd/%d", pfd[1]);
+	errorfd = open(buf, OREAD|OCEXEC);
+	if(errorfd < 0)
+		error("can't re-open acmeerror file");
+	close(pfd[1]);
+	close(pfd[0]);
+	proccreate(acmeerrorproc, nil, STACK);
+}
+
+void
+plumbproc(void *)
+{
+	Plumbmsg *m;
+
+	threadsetname("plumbproc");
+	for(;;){
+		m = plumbrecv(plumbeditfd);
+		if(m == nil)
+			threadexits(nil);
+		sendp(cplumb, m);
+	}
+}
+
+void
+keyboardthread(void *)
+{
+	Rune r;
+	Timer *timer;
+	Text *t;
+	enum { KTimer, KKey, NKALT };
+	static Alt alts[NKALT+1];
+
+	alts[KTimer].c = nil;
+	alts[KTimer].v = nil;
+	alts[KTimer].op = CHANNOP;
+	alts[KKey].c = keyboardctl->c;
+	alts[KKey].v = &r;
+	alts[KKey].op = CHANRCV;
+	alts[NKALT].op = CHANEND;
+
+	timer = nil;
+	typetext = nil;
+	threadsetname("keyboardthread");
+	for(;;){
+		switch(alt(alts)){
+		case KTimer:
+			timerstop(timer);
+			t = typetext;
+			if(t!=nil && t->what==Tag){
+				winlock(t->w, 'K');
+				wincommit(t->w, t);
+				winunlock(t->w);
+				flushimage(display, 1);
+			}
+			alts[KTimer].c = nil;
+			alts[KTimer].op = CHANNOP;
+			break;
+		case KKey:
+		casekeyboard:
+			typetext = rowtype(&row, r, mouse->xy);
+			t = typetext;
+			if(t!=nil && t->col!=nil && !(r==Kdown || r==Kleft || r==Kright))	/* scrolling doesn't change activecol */
+				activecol = t->col;
+			if(t!=nil && t->w!=nil)
+				t->w->body.file->curtext = &t->w->body;
+			if(timer != nil)
+				timercancel(timer);
+			if(t!=nil && t->what==Tag) {
+				timer = timerstart(500);
+				alts[KTimer].c = timer->c;
+				alts[KTimer].op = CHANRCV;
+			}else{
+				timer = nil;
+				alts[KTimer].c = nil;
+				alts[KTimer].op = CHANNOP;
+			}
+			if(nbrecv(keyboardctl->c, &r) > 0)
+				goto casekeyboard;
+			flushimage(display, 1);
+			break;
+		}
+	}
+}
+
+void
+mousethread(void *)
+{
+	Text *t, *argt;
+	int but;
+	uint q0, q1;
+	Window *w;
+	Plumbmsg *pm;
+	Mouse m;
+	char *act;
+	enum { MResize, MMouse, MPlumb, MWarnings, NMALT };
+	static Alt alts[NMALT+1];
+
+	threadsetname("mousethread");
+	alts[MResize].c = mousectl->resizec;
+	alts[MResize].v = nil;
+	alts[MResize].op = CHANRCV;
+	alts[MMouse].c = mousectl->c;
+	alts[MMouse].v = &mousectl->Mouse;
+	alts[MMouse].op = CHANRCV;
+	alts[MPlumb].c = cplumb;
+	alts[MPlumb].v = &pm;
+	alts[MPlumb].op = CHANRCV;
+	alts[MWarnings].c = cwarn;
+	alts[MWarnings].v = nil;
+	alts[MWarnings].op = CHANRCV;
+	if(cplumb == nil)
+		alts[MPlumb].op = CHANNOP;
+	alts[NMALT].op = CHANEND;
+	
+	for(;;){
+		qlock(&row);
+		flushwarnings();
+		qunlock(&row);
+		flushimage(display, 1);
+		switch(alt(alts)){
+		case MResize:
+			if(getwindow(display, Refnone) < 0)
+				error("attach to window");
+			scrlresize();
+			rowresize(&row, screen->clipr);
+			break;
+		case MPlumb:
+			if(strcmp(pm->type, "text") == 0){
+				act = plumblookup(pm->attr, "action");
+				if(act==nil || strcmp(act, "showfile")==0)
+					plumblook(pm);
+				else if(strcmp(act, "showdata")==0)
+					plumbshow(pm);
+			}
+			plumbfree(pm);
+			break;
+		case MWarnings:
+			break;
+		case MMouse:
+			/*
+			 * Make a copy so decisions are consistent; mousectl changes
+			 * underfoot.  Can't just receive into m because this introduces
+			 * another race; see /sys/src/libdraw/mouse.c.
+			 */
+			m = mousectl->Mouse;
+			qlock(&row);
+			t = rowwhich(&row, m.xy);
+
+			if((t!=mousetext && t!=nil && t->w!=nil) &&
+				(mousetext==nil || mousetext->w==nil || t->w->id!=mousetext->w->id)) {
+				xfidlog(t->w, "focus");
+			}
+
+			if(t!=mousetext && mousetext!=nil && mousetext->w!=nil){
+				winlock(mousetext->w, 'M');
+				mousetext->eq0 = ~0;
+				wincommit(mousetext->w, mousetext);
+				winunlock(mousetext->w);
+			}
+			mousetext = t;
+			if(t == nil)
+				goto Continue;
+			w = t->w;
+			if(t==nil || m.buttons==0)
+				goto Continue;
+			but = 0;
+			if(m.buttons == 1)
+				but = 1;
+			else if(m.buttons == 2)
+				but = 2;
+			else if(m.buttons == 4)
+				but = 3;
+			barttext = t;
+			if(t->what==Body && ptinrect(m.xy, t->scrollr)){
+				if(but){
+					winlock(w, 'M');
+					t->eq0 = ~0;
+					textscroll(t, but);
+					winunlock(w);
+				}
+				goto Continue;
+			}
+			/* scroll buttons, wheels, etc. */
+			if(t->what==Body && w != nil && (m.buttons & (8|16))){
+				if(m.buttons & 8)
+					but = Kscrolloneup;
+				else
+					but = Kscrollonedown;
+				winlock(w, 'M');
+				t->eq0 = ~0;
+				texttype(t, but);
+				winunlock(w);
+				goto Continue;
+			}
+			if(ptinrect(m.xy, t->scrollr)){
+				if(but){
+					if(t->what == Columntag)
+						rowdragcol(&row, t->col, but);
+					else if(t->what == Tag){
+						coldragwin(t->col, t->w, but);
+						if(t->w)
+							barttext = &t->w->body;
+					}
+					if(t->col)
+						activecol = t->col;
+				}
+				goto Continue;
+			}
+			if(m.buttons){
+				if(w)
+					winlock(w, 'M');
+				t->eq0 = ~0;
+				if(w)
+					wincommit(w, t);
+				else
+					textcommit(t, TRUE);
+				if(m.buttons & 1){
+					textselect(t);
+					if(w)
+						winsettag(w);
+					argtext = t;
+					seltext = t;
+					if(t->col)
+						activecol = t->col;	/* button 1 only */
+					if(t->w!=nil && t==&t->w->body)
+						activewin = t->w;
+				}else if(m.buttons & 2){
+					if(textselect2(t, &q0, &q1, &argt))
+						execute(t, q0, q1, FALSE, argt);
+				}else if(m.buttons & 4){
+					if(textselect3(t, &q0, &q1))
+						look3(t, q0, q1, FALSE);
+				}
+				if(w)
+					winunlock(w);
+				goto Continue;
+			}
+    Continue:
+			qunlock(&row);
+			break;
+		}
+	}
+}
+
+/*
+ * There is a race between process exiting and our finding out it was ever created.
+ * This structure keeps a list of processes that have exited we haven't heard of.
+ */
+typedef struct Pid Pid;
+struct Pid
+{
+	int	pid;
+	char	msg[ERRMAX];
+	Pid	*next;
+};
+
+void
+waitthread(void *)
+{
+	Waitmsg *w;
+	Command *c, *lc;
+	uint pid;
+	int found, ncmd;
+	Rune *cmd;
+	char *err;
+	Text *t;
+	Pid *pids, *p, *lastp;
+	enum { WErr, WKill, WWait, WCmd, NWALT };
+	Alt alts[NWALT+1];
+
+	threadsetname("waitthread");
+	pids = nil;
+	alts[WErr].c = cerr;
+	alts[WErr].v = &err;
+	alts[WErr].op = CHANRCV;
+	alts[WKill].c = ckill;
+	alts[WKill].v = &cmd;
+	alts[WKill].op = CHANRCV;
+	alts[WWait].c = cwait;
+	alts[WWait].v = &w;
+	alts[WWait].op = CHANRCV;
+	alts[WCmd].c = ccommand;
+	alts[WCmd].v = &c;
+	alts[WCmd].op = CHANRCV;
+	alts[NWALT].op = CHANEND;
+
+	command = nil;
+	for(;;){
+		switch(alt(alts)){
+		case WErr:
+			qlock(&row);
+			warning(nil, "%s", err);
+			free(err);
+			flushimage(display, 1);
+			qunlock(&row);
+			break;
+		case WKill:
+			found = FALSE;
+			ncmd = runestrlen(cmd);
+			for(c=command; c; c=c->next){
+				/* -1 for blank */
+				if(runeeq(c->name, c->nname-1, cmd, ncmd) == TRUE){
+					if(postnote(PNGROUP, c->pid, "kill") < 0)
+						warning(nil, "kill %S: %r\n", cmd);
+					found = TRUE;
+				}
+			}
+			if(!found)
+				warning(nil, "Kill: no process %S\n", cmd);
+			free(cmd);
+			break;
+		case WWait:
+			pid = w->pid;
+			lc = nil;
+			for(c=command; c; c=c->next){
+				if(c->pid == pid){
+					if(lc)
+						lc->next = c->next;
+					else
+						command = c->next;
+					break;
+				}
+				lc = c;
+			}
+			qlock(&row);
+			t = &row.tag;
+			textcommit(t, TRUE);
+			if(c == nil){
+				/* helper processes use this exit status */
+				if(strncmp(w->msg, "libthread", 9) != 0){
+					p = emalloc(sizeof(Pid));
+					p->pid = pid;
+					strncpy(p->msg, w->msg, sizeof(p->msg));
+					p->next = pids;
+					pids = p;
+				}
+			}else{
+				if(search(t, c->name, c->nname)){
+					textdelete(t, t->q0, t->q1, TRUE);
+					textsetselect(t, 0, 0);
+				}
+				if(w->msg[0])
+					warning(c->md, "%s\n", w->msg);
+				flushimage(display, 1);
+			}
+			qunlock(&row);
+			free(w);
+    Freecmd:
+			if(c){
+				if(c->iseditcmd)
+					sendul(cedit, 0);
+				free(c->text);
+				free(c->name);
+				fsysdelid(c->md);
+				free(c);
+			}
+			break;
+		case WCmd:
+			/* has this command already exited? */
+			lastp = nil;
+			for(p=pids; p!=nil; p=p->next){
+				if(p->pid == c->pid){
+					if(p->msg[0])
+						warning(c->md, "%s\n", p->msg);
+					if(lastp == nil)
+						pids = p->next;
+					else
+						lastp->next = p->next;
+					free(p);
+					goto Freecmd;
+				}
+				lastp = p;
+			}
+			c->next = command;
+			command = c;
+			qlock(&row);
+			t = &row.tag;
+			textcommit(t, TRUE);
+			textinsert(t, 0, c->name, c->nname, TRUE);
+			textsetselect(t, 0, 0);
+			flushimage(display, 1);
+			qunlock(&row);
+			break;
+		}
+	}
+}
+
+void
+xfidallocthread(void*)
+{
+	Xfid *xfree, *x;
+	enum { Alloc, Free, N };
+	static Alt alts[N+1];
+
+	threadsetname("xfidallocthread");
+	alts[Alloc].c = cxfidalloc;
+	alts[Alloc].v = nil;
+	alts[Alloc].op = CHANRCV;
+	alts[Free].c = cxfidfree;
+	alts[Free].v = &x;
+	alts[Free].op = CHANRCV;
+	alts[N].op = CHANEND;
+
+	xfree = nil;
+	for(;;){
+		switch(alt(alts)){
+		case Alloc:
+			x = xfree;
+			if(x)
+				xfree = x->next;
+			else{
+				x = emalloc(sizeof(Xfid));
+				x->c = chancreate(sizeof(void(*)(Xfid*)), 0);
+				x->arg = x;
+				threadcreate(xfidctl, x->arg, STACK);
+			}
+			sendp(cxfidalloc, x);
+			break;
+		case Free:
+			x->next = xfree;
+			xfree = x;
+			break;
+		}
+	}
+}
+
+/* this thread, in the main proc, allows fsysproc to get a window made without doing graphics */
+void
+newwindowthread(void*)
+{
+	Window *w;
+
+	threadsetname("newwindowthread");
+
+	for(;;){
+		/* only fsysproc is talking to us, so synchronization is trivial */
+		recvp(cnewwindow);
+		w = makenewwindow(nil);
+		winsettag(w);
+		xfidlog(w, "new");
+		sendp(cnewwindow, w);
+	}
+}
+
+Reffont*
+rfget(int fix, int save, int setfont, char *name)
+{
+	Reffont *r;
+	Font *f;
+	int i;
+
+	r = nil;
+	if(name == nil){
+		name = fontnames[fix];
+		r = reffonts[fix];
+	}
+	if(r == nil){
+		for(i=0; i<nfontcache; i++)
+			if(strcmp(name, fontcache[i]->f->name) == 0){
+				r = fontcache[i];
+				goto Found;
+			}
+		f = openfont(display, name);
+		if(f == nil){
+			warning(nil, "can't open font file %s: %r\n", name);
+			return nil;
+		}
+		r = emalloc(sizeof(Reffont));
+		r->f = f;
+		fontcache = erealloc(fontcache, (nfontcache+1)*sizeof(Reffont*));
+		fontcache[nfontcache++] = r;
+	}
+    Found:
+	if(save){
+		incref(r);
+		if(reffonts[fix])
+			rfclose(reffonts[fix]);
+		reffonts[fix] = r;
+		if(name != fontnames[fix]){
+			free(fontnames[fix]);
+			fontnames[fix] = estrdup(name);
+		}
+	}
+	if(setfont){
+		reffont.f = r->f;
+		incref(r);
+		rfclose(reffonts[0]);
+		font = r->f;
+		reffonts[0] = r;
+		incref(r);
+		iconinit();
+	}
+	incref(r);
+	return r;
+}
+
+void
+rfclose(Reffont *r)
+{
+	int i;
+
+	if(decref(r) == 0){
+		for(i=0; i<nfontcache; i++)
+			if(r == fontcache[i])
+				break;
+		if(i >= nfontcache)
+			warning(nil, "internal error: can't find font in cache\n");
+		else{
+			nfontcache--;
+			memmove(fontcache+i, fontcache+i+1, (nfontcache-i)*sizeof(Reffont*));
+		}
+		freefont(r->f);
+		free(r);
+	}
+}
+
+Cursor boxcursor = {
+	{-7, -7},
+	{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+	 0xFF, 0xFF, 0xF8, 0x1F, 0xF8, 0x1F, 0xF8, 0x1F,
+	 0xF8, 0x1F, 0xF8, 0x1F, 0xF8, 0x1F, 0xFF, 0xFF,
+	 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
+	{0x00, 0x00, 0x7F, 0xFE, 0x7F, 0xFE, 0x7F, 0xFE,
+	 0x70, 0x0E, 0x70, 0x0E, 0x70, 0x0E, 0x70, 0x0E,
+	 0x70, 0x0E, 0x70, 0x0E, 0x70, 0x0E, 0x70, 0x0E,
+	 0x7F, 0xFE, 0x7F, 0xFE, 0x7F, 0xFE, 0x00, 0x00}
+};
+
+void
+iconinit(void)
+{
+	Rectangle r;
+	Image *tmp;
+
+	/* Blue */
+	tagcols[BACK] = allocimagemix(display, DPalebluegreen, DWhite);
+	tagcols[HIGH] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DPalegreygreen);
+	tagcols[BORD] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DPurpleblue);
+	tagcols[TEXT] = display->black;
+	tagcols[HTEXT] = display->black;
+
+	/* Yellow */
+	textcols[BACK] = allocimagemix(display, DPaleyellow, DWhite);
+	textcols[HIGH] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DDarkyellow);
+	textcols[BORD] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DYellowgreen);
+	textcols[TEXT] = display->black;
+	textcols[HTEXT] = display->black;
+
+	if(button){
+		freeimage(button);
+		freeimage(modbutton);
+		freeimage(colbutton);
+	}
+
+	r = Rect(0, 0, Scrollwid+2, font->height+1);
+	button = allocimage(display, r, screen->chan, 0, DNofill);
+	draw(button, r, tagcols[BACK], nil, r.min);
+	r.max.x -= 2;
+	border(button, r, 2, tagcols[BORD], ZP);
+
+	r = button->r;
+	modbutton = allocimage(display, r, screen->chan, 0, DNofill);
+	draw(modbutton, r, tagcols[BACK], nil, r.min);
+	r.max.x -= 2;
+	border(modbutton, r, 2, tagcols[BORD], ZP);
+	r = insetrect(r, 2);
+	tmp = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DMedblue);
+	draw(modbutton, r, tmp, nil, ZP);
+	freeimage(tmp);
+
+	r = button->r;
+	colbutton = allocimage(display, r, screen->chan, 0, DPurpleblue);
+
+	but2col = allocimage(display, r, screen->chan, 1, 0xAA0000FF);
+	but3col = allocimage(display, r, screen->chan, 1, 0x006600FF);
+}
+
+/*
+ * /dev/snarf updates when the file is closed, so we must open our own
+ * fd here rather than use snarffd
+ */
+
+/* rio truncates larges snarf buffers, so this avoids using the
+ * service if the string is huge */
+
+#define MAXSNARF 100*1024
+
+void
+putsnarf(void)
+{
+	int fd, i, n;
+
+	if(snarffd<0 || snarfbuf.nc==0)
+		return;
+	if(snarfbuf.nc > MAXSNARF)
+		return;
+	fd = open("/dev/snarf", OWRITE);
+	if(fd < 0)
+		return;
+	for(i=0; i<snarfbuf.nc; i+=n){
+		n = snarfbuf.nc-i;
+		if(n >= NSnarf)
+			n = NSnarf;
+		bufread(&snarfbuf, i, snarfrune, n);
+		if(fprint(fd, "%.*S", n, snarfrune) < 0)
+			break;
+	}
+	close(fd);
+}
+
+void
+getsnarf()
+{
+	int nulls;
+
+	if(snarfbuf.nc > MAXSNARF)
+		return;
+	if(snarffd < 0)
+		return;
+	seek(snarffd, 0, 0);
+	bufreset(&snarfbuf);
+	bufload(&snarfbuf, 0, snarffd, &nulls);
+}
diff --git a/patch/acme-fixfont/acme.c.backup b/patch/acme-fixfont/acme.c.backup
new file mode 100644
index 0000000..25a2477
--- /dev/null
+++ b/patch/acme-fixfont/acme.c.backup
@@ -0,0 +1,968 @@
+#include <u.h>
+#include <libc.h>
+#include <draw.h>
+#include <thread.h>
+#include <cursor.h>
+#include <mouse.h>
+#include <keyboard.h>
+#include <frame.h>
+#include <fcall.h>
+#include <plumb.h>
+#include "dat.h"
+#include "fns.h"
+	/* for generating syms in mkfile only: */
+	#include <bio.h>
+	#include "edit.h"
+
+void	mousethread(void*);
+void	keyboardthread(void*);
+void	waitthread(void*);
+void	xfidallocthread(void*);
+void	newwindowthread(void*);
+void plumbproc(void*);
+
+Reffont	**fontcache;
+int		nfontcache;
+char		wdir[512] = ".";
+Reffont	*reffonts[2];
+int		snarffd = -1;
+int		mainpid;
+int		plumbsendfd;
+int		plumbeditfd;
+
+enum{
+	NSnarf = 1000	/* less than 1024, I/O buffer size */
+};
+Rune	snarfrune[NSnarf+1];
+
+char		*fontnames[2];
+
+Command *command;
+
+void	acmeerrorinit(void);
+void	readfile(Column*, char*);
+int	shutdown(void*, char*);
+
+void
+derror(Display*, char *errorstr)
+{
+	error(errorstr);
+}
+
+void
+threadmain(int argc, char *argv[])
+{
+	int i;
+	char *p, *loadfile;
+	char buf[256];
+	Column *c;
+	int ncol;
+	Display *d;
+
+	rfork(RFENVG|RFNAMEG);
+
+	ncol = -1;
+
+	loadfile = nil;
+	ARGBEGIN{
+	case 'a':
+		globalindent[AUTOINDENT] = TRUE;
+		break;
+	case 'b':
+		bartflag = TRUE;
+		break;
+	case 'c':
+		p = ARGF();
+		if(p == nil)
+			goto Usage;
+		ncol = atoi(p);
+		if(ncol <= 0)
+			goto Usage;
+		break;
+	case 'f':
+		fontnames[0] = ARGF();
+		if(fontnames[0] == nil)
+			goto Usage;
+		break;
+	case 'F':
+		fontnames[1] = ARGF();
+		if(fontnames[1] == nil)
+			goto Usage;
+		break;
+	case 'i':
+		globalindent[SPACESINDENT] = TRUE;
+		break;
+	case 'l':
+		loadfile = ARGF();
+		if(loadfile == nil)
+			goto Usage;
+		break;
+	default:
+	Usage:
+		fprint(2, "usage: acme [-aib] [-c ncol] [-f font] [-F fixedfont] [-l loadfile | file...]\n");
+		exits("usage");
+	}ARGEND
+
+	if(fontnames[0] == nil)
+		fontnames[0] = getenv("font");
+	if(fontnames[0] == nil)
+		fontnames[0] = "/lib/font/bit/vga/unicode.font";
+	if(access(fontnames[0], 0) < 0){
+		fprint(2, "acme: can't access %s: %r\n", fontnames[0]);
+		exits("font open");
+	}
+	if(fontnames[1] == nil)
+		fontnames[1] = fontnames[0];
+	fontnames[0] = estrdup(fontnames[0]);
+	fontnames[1] = estrdup(fontnames[1]);
+
+	quotefmtinstall();
+	cputype = getenv("cputype");
+	objtype = getenv("objtype");
+	home = getenv("home");
+	p = getenv("tabstop");
+	if(p != nil){
+		maxtab = strtoul(p, nil, 0);
+		free(p);
+	}
+	if(maxtab == 0)
+		maxtab = 4; 
+	if(loadfile)
+		rowloadfonts(loadfile);
+	putenv("font", fontnames[0]);
+	snarffd = open("/dev/snarf", OREAD|OCEXEC);
+	if(cputype){
+		sprint(buf, "/acme/bin/%s", cputype);
+		bind(buf, "/bin", MBEFORE);
+	}
+	bind("/acme/bin", "/bin", MBEFORE);
+	getwd(wdir, sizeof wdir);
+
+	if(geninitdraw(nil, derror, fontnames[0], "acme", nil, Refnone) < 0){
+		fprint(2, "acme: can't open display: %r\n");
+		exits("geninitdraw");
+	}
+	d = display;
+	font = d->defaultfont;
+
+	reffont.f = font;
+	reffonts[0] = &reffont;
+	incref(&reffont);	/* one to hold up 'font' variable */
+	incref(&reffont);	/* one to hold up reffonts[0] */
+	fontcache = emalloc(sizeof(Reffont*));
+	nfontcache = 1;
+	fontcache[0] = &reffont;
+
+	iconinit();
+	timerinit();
+	rxinit();
+
+	cwait = threadwaitchan();
+	ccommand = chancreate(sizeof(Command**), 0);
+	ckill = chancreate(sizeof(Rune*), 0);
+	cxfidalloc = chancreate(sizeof(Xfid*), 0);
+	cxfidfree = chancreate(sizeof(Xfid*), 0);
+	cnewwindow = chancreate(sizeof(Channel*), 0);
+	cerr = chancreate(sizeof(char*), 0);
+	cedit = chancreate(sizeof(int), 0);
+	cexit = chancreate(sizeof(int), 0);
+	cwarn = chancreate(sizeof(void*), 1);
+	if(cwait==nil || ccommand==nil || ckill==nil || cxfidalloc==nil || cxfidfree==nil || cnewwindow==nil || cerr==nil || cedit==nil || cexit==nil || cwarn==nil){
+		fprint(2, "acme: can't create initial channels: %r\n");
+		threadexitsall("channels");
+	}
+
+	mousectl = initmouse(nil, screen);
+	if(mousectl == nil){
+		fprint(2, "acme: can't initialize mouse: %r\n");
+		threadexitsall("mouse");
+	}
+	mouse = mousectl;
+	keyboardctl = initkeyboard(nil);
+	if(keyboardctl == nil){
+		fprint(2, "acme: can't initialize keyboard: %r\n");
+		threadexitsall("keyboard");
+	}
+	mainpid = getpid();
+	plumbeditfd = plumbopen("edit", OREAD|OCEXEC);
+	if(plumbeditfd >= 0){
+		cplumb = chancreate(sizeof(Plumbmsg*), 0);
+		proccreate(plumbproc, nil, STACK);
+	}
+	plumbsendfd = plumbopen("send", OWRITE|OCEXEC);
+
+	fsysinit();
+
+	#define	WPERCOL	8
+	disk = diskinit();
+	if(!loadfile || !rowload(&row, loadfile, TRUE)){
+		rowinit(&row, screen->clipr);
+		if(ncol < 0){
+			if(argc == 0)
+				ncol = 2;
+			else{
+				ncol = (argc+(WPERCOL-1))/WPERCOL;
+				if(ncol < 2)
+					ncol = 2;
+			}
+		}
+		if(ncol == 0)
+			ncol = 2;
+		for(i=0; i<ncol; i++){
+			c = rowadd(&row, nil, -1);
+			if(c==nil && i==0)
+				error("initializing columns");
+		}
+		c = row.col[row.ncol-1];
+		if(argc == 0){
+			Window *w = errorwin(nil, 'E');
+			winunlock(w);
+			readfile(row.col[0], wdir);
+		}else
+			for(i=0; i<argc; i++){
+				p = utfrrune(argv[i], '/');
+				if((p!=nil && strcmp(p, "/guide")==0) || i/WPERCOL>=row.ncol)
+					readfile(c, argv[i]);
+				else
+					readfile(row.col[i/WPERCOL], argv[i]);
+			}
+	}
+	flushimage(display, 1);
+
+	acmeerrorinit();
+	threadcreate(keyboardthread, nil, STACK);
+	threadcreate(mousethread, nil, STACK);
+	threadcreate(waitthread, nil, STACK);
+	threadcreate(xfidallocthread, nil, STACK);
+	threadcreate(newwindowthread, nil, STACK);
+
+	threadnotify(shutdown, 1);
+	recvul(cexit);
+	killprocs();
+	threadexitsall(nil);
+}
+
+void
+readfile(Column *c, char *s)
+{
+	Window *w;
+	Rune rb[256];
+	int nb, nr;
+	Runestr rs;
+
+	w = coladd(c, nil, nil, -1);
+	cvttorunes(s, strlen(s), rb, &nb, &nr, nil);
+	rs = cleanrname((Runestr){rb, nr});
+	winsetname(w, rs.r, rs.nr);
+	textload(&w->body, 0, s, 1);
+	w->body.file->mod = FALSE;
+	w->dirty = FALSE;
+	winsettag(w);
+	textscrdraw(&w->body);
+	textsetselect(&w->tag, w->tag.file->nc, w->tag.file->nc);
+	xfidlog(w, "new");
+}
+
+char *oknotes[] ={
+	"delete",
+	"hangup",
+	"kill",
+	"exit",
+	nil
+};
+
+int	dumping;
+
+int
+shutdown(void*, char *msg)
+{
+	int i;
+
+	killprocs();
+	if(!dumping && strcmp(msg, "kill")!=0 && strcmp(msg, "exit")!=0 && getpid()==mainpid){
+		dumping = TRUE;
+		rowdump(&row, nil);
+	}
+	for(i=0; oknotes[i]; i++)
+		if(strncmp(oknotes[i], msg, strlen(oknotes[i])) == 0)
+			threadexitsall(msg);
+	print("acme: %s\n", msg);
+	abort();
+	return 0;
+}
+
+void
+killprocs(void)
+{
+	Command *c;
+
+	fsysclose();
+//	if(display)
+//		flushimage(display, 1);
+
+	for(c=command; c; c=c->next)
+		postnote(PNGROUP, c->pid, "hangup");
+	remove(acmeerrorfile);
+}
+
+static int errorfd;
+
+void
+acmeerrorproc(void *)
+{
+	char *buf, *s;
+	int n;
+
+	threadsetname("acmeerrorproc");
+	buf = emalloc(8192+1);
+	while((n=read(errorfd, buf, 8192)) >= 0){
+		buf[n] = '\0';
+		s = estrdup(buf);
+		sendp(cerr, s);
+	}
+	free(buf);
+}
+
+void
+acmeerrorinit(void)
+{
+	int fd, pfd[2];
+	char buf[64];
+
+	if(pipe(pfd) < 0)
+		error("can't create pipe");
+	sprint(acmeerrorfile, "/srv/acme.%s.%d", getuser(), mainpid);
+	fd = create(acmeerrorfile, OWRITE, 0666);
+	if(fd < 0){
+		remove(acmeerrorfile);
+  		fd = create(acmeerrorfile, OWRITE, 0666);
+		if(fd < 0)
+			error("can't create acmeerror file");
+	}
+	sprint(buf, "%d", pfd[0]);
+	write(fd, buf, strlen(buf));
+	close(fd);
+	/* reopen pfd[1] close on exec */
+	sprint(buf, "/fd/%d", pfd[1]);
+	errorfd = open(buf, OREAD|OCEXEC);
+	if(errorfd < 0)
+		error("can't re-open acmeerror file");
+	close(pfd[1]);
+	close(pfd[0]);
+	proccreate(acmeerrorproc, nil, STACK);
+}
+
+void
+plumbproc(void *)
+{
+	Plumbmsg *m;
+
+	threadsetname("plumbproc");
+	for(;;){
+		m = plumbrecv(plumbeditfd);
+		if(m == nil)
+			threadexits(nil);
+		sendp(cplumb, m);
+	}
+}
+
+void
+keyboardthread(void *)
+{
+	Rune r;
+	Timer *timer;
+	Text *t;
+	enum { KTimer, KKey, NKALT };
+	static Alt alts[NKALT+1];
+
+	alts[KTimer].c = nil;
+	alts[KTimer].v = nil;
+	alts[KTimer].op = CHANNOP;
+	alts[KKey].c = keyboardctl->c;
+	alts[KKey].v = &r;
+	alts[KKey].op = CHANRCV;
+	alts[NKALT].op = CHANEND;
+
+	timer = nil;
+	typetext = nil;
+	threadsetname("keyboardthread");
+	for(;;){
+		switch(alt(alts)){
+		case KTimer:
+			timerstop(timer);
+			t = typetext;
+			if(t!=nil && t->what==Tag){
+				winlock(t->w, 'K');
+				wincommit(t->w, t);
+				winunlock(t->w);
+				flushimage(display, 1);
+			}
+			alts[KTimer].c = nil;
+			alts[KTimer].op = CHANNOP;
+			break;
+		case KKey:
+		casekeyboard:
+			typetext = rowtype(&row, r, mouse->xy);
+			t = typetext;
+			if(t!=nil && t->col!=nil && !(r==Kdown || r==Kleft || r==Kright))	/* scrolling doesn't change activecol */
+				activecol = t->col;
+			if(t!=nil && t->w!=nil)
+				t->w->body.file->curtext = &t->w->body;
+			if(timer != nil)
+				timercancel(timer);
+			if(t!=nil && t->what==Tag) {
+				timer = timerstart(500);
+				alts[KTimer].c = timer->c;
+				alts[KTimer].op = CHANRCV;
+			}else{
+				timer = nil;
+				alts[KTimer].c = nil;
+				alts[KTimer].op = CHANNOP;
+			}
+			if(nbrecv(keyboardctl->c, &r) > 0)
+				goto casekeyboard;
+			flushimage(display, 1);
+			break;
+		}
+	}
+}
+
+void
+mousethread(void *)
+{
+	Text *t, *argt;
+	int but;
+	uint q0, q1;
+	Window *w;
+	Plumbmsg *pm;
+	Mouse m;
+	char *act;
+	enum { MResize, MMouse, MPlumb, MWarnings, NMALT };
+	static Alt alts[NMALT+1];
+
+	threadsetname("mousethread");
+	alts[MResize].c = mousectl->resizec;
+	alts[MResize].v = nil;
+	alts[MResize].op = CHANRCV;
+	alts[MMouse].c = mousectl->c;
+	alts[MMouse].v = &mousectl->Mouse;
+	alts[MMouse].op = CHANRCV;
+	alts[MPlumb].c = cplumb;
+	alts[MPlumb].v = &pm;
+	alts[MPlumb].op = CHANRCV;
+	alts[MWarnings].c = cwarn;
+	alts[MWarnings].v = nil;
+	alts[MWarnings].op = CHANRCV;
+	if(cplumb == nil)
+		alts[MPlumb].op = CHANNOP;
+	alts[NMALT].op = CHANEND;
+	
+	for(;;){
+		qlock(&row);
+		flushwarnings();
+		qunlock(&row);
+		flushimage(display, 1);
+		switch(alt(alts)){
+		case MResize:
+			if(getwindow(display, Refnone) < 0)
+				error("attach to window");
+			scrlresize();
+			rowresize(&row, screen->clipr);
+			break;
+		case MPlumb:
+			if(strcmp(pm->type, "text") == 0){
+				act = plumblookup(pm->attr, "action");
+				if(act==nil || strcmp(act, "showfile")==0)
+					plumblook(pm);
+				else if(strcmp(act, "showdata")==0)
+					plumbshow(pm);
+			}
+			plumbfree(pm);
+			break;
+		case MWarnings:
+			break;
+		case MMouse:
+			/*
+			 * Make a copy so decisions are consistent; mousectl changes
+			 * underfoot.  Can't just receive into m because this introduces
+			 * another race; see /sys/src/libdraw/mouse.c.
+			 */
+			m = mousectl->Mouse;
+			qlock(&row);
+			t = rowwhich(&row, m.xy);
+
+			if((t!=mousetext && t!=nil && t->w!=nil) &&
+				(mousetext==nil || mousetext->w==nil || t->w->id!=mousetext->w->id)) {
+				xfidlog(t->w, "focus");
+			}
+
+			if(t!=mousetext && mousetext!=nil && mousetext->w!=nil){
+				winlock(mousetext->w, 'M');
+				mousetext->eq0 = ~0;
+				wincommit(mousetext->w, mousetext);
+				winunlock(mousetext->w);
+			}
+			mousetext = t;
+			if(t == nil)
+				goto Continue;
+			w = t->w;
+			if(t==nil || m.buttons==0)
+				goto Continue;
+			but = 0;
+			if(m.buttons == 1)
+				but = 1;
+			else if(m.buttons == 2)
+				but = 2;
+			else if(m.buttons == 4)
+				but = 3;
+			barttext = t;
+			if(t->what==Body && ptinrect(m.xy, t->scrollr)){
+				if(but){
+					winlock(w, 'M');
+					t->eq0 = ~0;
+					textscroll(t, but);
+					winunlock(w);
+				}
+				goto Continue;
+			}
+			/* scroll buttons, wheels, etc. */
+			if(t->what==Body && w != nil && (m.buttons & (8|16))){
+				if(m.buttons & 8)
+					but = Kscrolloneup;
+				else
+					but = Kscrollonedown;
+				winlock(w, 'M');
+				t->eq0 = ~0;
+				texttype(t, but);
+				winunlock(w);
+				goto Continue;
+			}
+			if(ptinrect(m.xy, t->scrollr)){
+				if(but){
+					if(t->what == Columntag)
+						rowdragcol(&row, t->col, but);
+					else if(t->what == Tag){
+						coldragwin(t->col, t->w, but);
+						if(t->w)
+							barttext = &t->w->body;
+					}
+					if(t->col)
+						activecol = t->col;
+				}
+				goto Continue;
+			}
+			if(m.buttons){
+				if(w)
+					winlock(w, 'M');
+				t->eq0 = ~0;
+				if(w)
+					wincommit(w, t);
+				else
+					textcommit(t, TRUE);
+				if(m.buttons & 1){
+					textselect(t);
+					if(w)
+						winsettag(w);
+					argtext = t;
+					seltext = t;
+					if(t->col)
+						activecol = t->col;	/* button 1 only */
+					if(t->w!=nil && t==&t->w->body)
+						activewin = t->w;
+				}else if(m.buttons & 2){
+					if(textselect2(t, &q0, &q1, &argt))
+						execute(t, q0, q1, FALSE, argt);
+				}else if(m.buttons & 4){
+					if(textselect3(t, &q0, &q1))
+						look3(t, q0, q1, FALSE);
+				}
+				if(w)
+					winunlock(w);
+				goto Continue;
+			}
+    Continue:
+			qunlock(&row);
+			break;
+		}
+	}
+}
+
+/*
+ * There is a race between process exiting and our finding out it was ever created.
+ * This structure keeps a list of processes that have exited we haven't heard of.
+ */
+typedef struct Pid Pid;
+struct Pid
+{
+	int	pid;
+	char	msg[ERRMAX];
+	Pid	*next;
+};
+
+void
+waitthread(void *)
+{
+	Waitmsg *w;
+	Command *c, *lc;
+	uint pid;
+	int found, ncmd;
+	Rune *cmd;
+	char *err;
+	Text *t;
+	Pid *pids, *p, *lastp;
+	enum { WErr, WKill, WWait, WCmd, NWALT };
+	Alt alts[NWALT+1];
+
+	threadsetname("waitthread");
+	pids = nil;
+	alts[WErr].c = cerr;
+	alts[WErr].v = &err;
+	alts[WErr].op = CHANRCV;
+	alts[WKill].c = ckill;
+	alts[WKill].v = &cmd;
+	alts[WKill].op = CHANRCV;
+	alts[WWait].c = cwait;
+	alts[WWait].v = &w;
+	alts[WWait].op = CHANRCV;
+	alts[WCmd].c = ccommand;
+	alts[WCmd].v = &c;
+	alts[WCmd].op = CHANRCV;
+	alts[NWALT].op = CHANEND;
+
+	command = nil;
+	for(;;){
+		switch(alt(alts)){
+		case WErr:
+			qlock(&row);
+			warning(nil, "%s", err);
+			free(err);
+			flushimage(display, 1);
+			qunlock(&row);
+			break;
+		case WKill:
+			found = FALSE;
+			ncmd = runestrlen(cmd);
+			for(c=command; c; c=c->next){
+				/* -1 for blank */
+				if(runeeq(c->name, c->nname-1, cmd, ncmd) == TRUE){
+					if(postnote(PNGROUP, c->pid, "kill") < 0)
+						warning(nil, "kill %S: %r\n", cmd);
+					found = TRUE;
+				}
+			}
+			if(!found)
+				warning(nil, "Kill: no process %S\n", cmd);
+			free(cmd);
+			break;
+		case WWait:
+			pid = w->pid;
+			lc = nil;
+			for(c=command; c; c=c->next){
+				if(c->pid == pid){
+					if(lc)
+						lc->next = c->next;
+					else
+						command = c->next;
+					break;
+				}
+				lc = c;
+			}
+			qlock(&row);
+			t = &row.tag;
+			textcommit(t, TRUE);
+			if(c == nil){
+				/* helper processes use this exit status */
+				if(strncmp(w->msg, "libthread", 9) != 0){
+					p = emalloc(sizeof(Pid));
+					p->pid = pid;
+					strncpy(p->msg, w->msg, sizeof(p->msg));
+					p->next = pids;
+					pids = p;
+				}
+			}else{
+				if(search(t, c->name, c->nname)){
+					textdelete(t, t->q0, t->q1, TRUE);
+					textsetselect(t, 0, 0);
+				}
+				if(w->msg[0])
+					warning(c->md, "%s\n", w->msg);
+				flushimage(display, 1);
+			}
+			qunlock(&row);
+			free(w);
+    Freecmd:
+			if(c){
+				if(c->iseditcmd)
+					sendul(cedit, 0);
+				free(c->text);
+				free(c->name);
+				fsysdelid(c->md);
+				free(c);
+			}
+			break;
+		case WCmd:
+			/* has this command already exited? */
+			lastp = nil;
+			for(p=pids; p!=nil; p=p->next){
+				if(p->pid == c->pid){
+					if(p->msg[0])
+						warning(c->md, "%s\n", p->msg);
+					if(lastp == nil)
+						pids = p->next;
+					else
+						lastp->next = p->next;
+					free(p);
+					goto Freecmd;
+				}
+				lastp = p;
+			}
+			c->next = command;
+			command = c;
+			qlock(&row);
+			t = &row.tag;
+			textcommit(t, TRUE);
+			textinsert(t, 0, c->name, c->nname, TRUE);
+			textsetselect(t, 0, 0);
+			flushimage(display, 1);
+			qunlock(&row);
+			break;
+		}
+	}
+}
+
+void
+xfidallocthread(void*)
+{
+	Xfid *xfree, *x;
+	enum { Alloc, Free, N };
+	static Alt alts[N+1];
+
+	threadsetname("xfidallocthread");
+	alts[Alloc].c = cxfidalloc;
+	alts[Alloc].v = nil;
+	alts[Alloc].op = CHANRCV;
+	alts[Free].c = cxfidfree;
+	alts[Free].v = &x;
+	alts[Free].op = CHANRCV;
+	alts[N].op = CHANEND;
+
+	xfree = nil;
+	for(;;){
+		switch(alt(alts)){
+		case Alloc:
+			x = xfree;
+			if(x)
+				xfree = x->next;
+			else{
+				x = emalloc(sizeof(Xfid));
+				x->c = chancreate(sizeof(void(*)(Xfid*)), 0);
+				x->arg = x;
+				threadcreate(xfidctl, x->arg, STACK);
+			}
+			sendp(cxfidalloc, x);
+			break;
+		case Free:
+			x->next = xfree;
+			xfree = x;
+			break;
+		}
+	}
+}
+
+/* this thread, in the main proc, allows fsysproc to get a window made without doing graphics */
+void
+newwindowthread(void*)
+{
+	Window *w;
+
+	threadsetname("newwindowthread");
+
+	for(;;){
+		/* only fsysproc is talking to us, so synchronization is trivial */
+		recvp(cnewwindow);
+		w = makenewwindow(nil);
+		winsettag(w);
+		xfidlog(w, "new");
+		sendp(cnewwindow, w);
+	}
+}
+
+Reffont*
+rfget(int fix, int save, int setfont, char *name)
+{
+	Reffont *r;
+	Font *f;
+	int i;
+
+	r = nil;
+	if(name == nil){
+		name = fontnames[fix];
+		r = reffonts[fix];
+	}
+	if(r == nil){
+		for(i=0; i<nfontcache; i++)
+			if(strcmp(name, fontcache[i]->f->name) == 0){
+				r = fontcache[i];
+				goto Found;
+			}
+		f = openfont(display, name);
+		if(f == nil){
+			warning(nil, "can't open font file %s: %r\n", name);
+			return nil;
+		}
+		r = emalloc(sizeof(Reffont));
+		r->f = f;
+		fontcache = erealloc(fontcache, (nfontcache+1)*sizeof(Reffont*));
+		fontcache[nfontcache++] = r;
+	}
+    Found:
+	if(save){
+		incref(r);
+		if(reffonts[fix])
+			rfclose(reffonts[fix]);
+		reffonts[fix] = r;
+		if(name != fontnames[fix]){
+			free(fontnames[fix]);
+			fontnames[fix] = estrdup(name);
+		}
+	}
+	if(setfont){
+		reffont.f = r->f;
+		incref(r);
+		rfclose(reffonts[0]);
+		font = r->f;
+		reffonts[0] = r;
+		incref(r);
+		iconinit();
+	}
+	incref(r);
+	return r;
+}
+
+void
+rfclose(Reffont *r)
+{
+	int i;
+
+	if(decref(r) == 0){
+		for(i=0; i<nfontcache; i++)
+			if(r == fontcache[i])
+				break;
+		if(i >= nfontcache)
+			warning(nil, "internal error: can't find font in cache\n");
+		else{
+			nfontcache--;
+			memmove(fontcache+i, fontcache+i+1, (nfontcache-i)*sizeof(Reffont*));
+		}
+		freefont(r->f);
+		free(r);
+	}
+}
+
+Cursor boxcursor = {
+	{-7, -7},
+	{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+	 0xFF, 0xFF, 0xF8, 0x1F, 0xF8, 0x1F, 0xF8, 0x1F,
+	 0xF8, 0x1F, 0xF8, 0x1F, 0xF8, 0x1F, 0xFF, 0xFF,
+	 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
+	{0x00, 0x00, 0x7F, 0xFE, 0x7F, 0xFE, 0x7F, 0xFE,
+	 0x70, 0x0E, 0x70, 0x0E, 0x70, 0x0E, 0x70, 0x0E,
+	 0x70, 0x0E, 0x70, 0x0E, 0x70, 0x0E, 0x70, 0x0E,
+	 0x7F, 0xFE, 0x7F, 0xFE, 0x7F, 0xFE, 0x00, 0x00}
+};
+
+void
+iconinit(void)
+{
+	Rectangle r;
+	Image *tmp;
+
+	/* Blue */
+	tagcols[BACK] = allocimagemix(display, DPalebluegreen, DWhite);
+	tagcols[HIGH] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DPalegreygreen);
+	tagcols[BORD] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DPurpleblue);
+	tagcols[TEXT] = display->black;
+	tagcols[HTEXT] = display->black;
+
+	/* Yellow */
+	textcols[BACK] = allocimagemix(display, DPaleyellow, DWhite);
+	textcols[HIGH] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DDarkyellow);
+	textcols[BORD] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DYellowgreen);
+	textcols[TEXT] = display->black;
+	textcols[HTEXT] = display->black;
+
+	if(button){
+		freeimage(button);
+		freeimage(modbutton);
+		freeimage(colbutton);
+	}
+
+	r = Rect(0, 0, Scrollwid+2, font->height+1);
+	button = allocimage(display, r, screen->chan, 0, DNofill);
+	draw(button, r, tagcols[BACK], nil, r.min);
+	r.max.x -= 2;
+	border(button, r, 2, tagcols[BORD], ZP);
+
+	r = button->r;
+	modbutton = allocimage(display, r, screen->chan, 0, DNofill);
+	draw(modbutton, r, tagcols[BACK], nil, r.min);
+	r.max.x -= 2;
+	border(modbutton, r, 2, tagcols[BORD], ZP);
+	r = insetrect(r, 2);
+	tmp = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DMedblue);
+	draw(modbutton, r, tmp, nil, ZP);
+	freeimage(tmp);
+
+	r = button->r;
+	colbutton = allocimage(display, r, screen->chan, 0, DPurpleblue);
+
+	but2col = allocimage(display, r, screen->chan, 1, 0xAA0000FF);
+	but3col = allocimage(display, r, screen->chan, 1, 0x006600FF);
+}
+
+/*
+ * /dev/snarf updates when the file is closed, so we must open our own
+ * fd here rather than use snarffd
+ */
+
+/* rio truncates larges snarf buffers, so this avoids using the
+ * service if the string is huge */
+
+#define MAXSNARF 100*1024
+
+void
+putsnarf(void)
+{
+	int fd, i, n;
+
+	if(snarffd<0 || snarfbuf.nc==0)
+		return;
+	if(snarfbuf.nc > MAXSNARF)
+		return;
+	fd = open("/dev/snarf", OWRITE);
+	if(fd < 0)
+		return;
+	for(i=0; i<snarfbuf.nc; i+=n){
+		n = snarfbuf.nc-i;
+		if(n >= NSnarf)
+			n = NSnarf;
+		bufread(&snarfbuf, i, snarfrune, n);
+		if(fprint(fd, "%.*S", n, snarfrune) < 0)
+			break;
+	}
+	close(fd);
+}
+
+void
+getsnarf()
+{
+	int nulls;
+
+	if(snarfbuf.nc > MAXSNARF)
+		return;
+	if(snarffd < 0)
+		return;
+	seek(snarffd, 0, 0);
+	bufreset(&snarfbuf);
+	bufload(&snarfbuf, 0, snarffd, &nulls);
+}
diff --git a/patch/acme-fixfont/acme.c.new b/patch/acme-fixfont/acme.c.new
new file mode 100644
index 0000000..90ff9c5
--- /dev/null
+++ b/patch/acme-fixfont/acme.c.new
@@ -0,0 +1,971 @@
+#include <u.h>
+#include <libc.h>
+#include <draw.h>
+#include <thread.h>
+#include <cursor.h>
+#include <mouse.h>
+#include <keyboard.h>
+#include <frame.h>
+#include <fcall.h>
+#include <plumb.h>
+#include "dat.h"
+#include "fns.h"
+	/* for generating syms in mkfile only: */
+	#include <bio.h>
+	#include "edit.h"
+
+void	mousethread(void*);
+void	keyboardthread(void*);
+void	waitthread(void*);
+void	xfidallocthread(void*);
+void	newwindowthread(void*);
+void plumbproc(void*);
+
+Reffont	**fontcache;
+int		nfontcache;
+char		wdir[512] = ".";
+Reffont	*reffonts[2];
+int		snarffd = -1;
+int		mainpid;
+int		plumbsendfd;
+int		plumbeditfd;
+
+enum{
+	NSnarf = 1000	/* less than 1024, I/O buffer size */
+};
+Rune	snarfrune[NSnarf+1];
+
+char		*fontnames[2];
+
+Command *command;
+
+void	acmeerrorinit(void);
+void	readfile(Column*, char*);
+int	shutdown(void*, char*);
+
+void
+derror(Display*, char *errorstr)
+{
+	error(errorstr);
+}
+
+void
+threadmain(int argc, char *argv[])
+{
+	int i;
+	char *p, *loadfile;
+	char buf[256];
+	Column *c;
+	int ncol;
+	Display *d;
+
+	rfork(RFENVG|RFNAMEG);
+
+	ncol = -1;
+
+	loadfile = nil;
+	ARGBEGIN{
+	case 'a':
+		globalindent[AUTOINDENT] = TRUE;
+		break;
+	case 'b':
+		bartflag = TRUE;
+		break;
+	case 'c':
+		p = ARGF();
+		if(p == nil)
+			goto Usage;
+		ncol = atoi(p);
+		if(ncol <= 0)
+			goto Usage;
+		break;
+	case 'f':
+		fontnames[0] = ARGF();
+		if(fontnames[0] == nil)
+			goto Usage;
+		break;
+	case 'F':
+		fontnames[1] = ARGF();
+		if(fontnames[1] == nil)
+			goto Usage;
+		break;
+	case 'i':
+		globalindent[SPACESINDENT] = TRUE;
+		break;
+	case 'l':
+		loadfile = ARGF();
+		if(loadfile == nil)
+			goto Usage;
+		break;
+	default:
+	Usage:
+		fprint(2, "usage: acme [-aib] [-c ncol] [-f font] [-F fixedfont] [-l loadfile | file...]\n");
+		exits("usage");
+	}ARGEND
+
+	if(fontnames[0] == nil)
+		fontnames[0] = getenv("font");
+	if(fontnames[0] == nil)
+		fontnames[0] = "/lib/font/bit/vga/unicode.font";
+	if(access(fontnames[0], 0) < 0){
+		fprint(2, "acme: can't access %s: %r\n", fontnames[0]);
+		exits("font open");
+	}
+	if(fontnames[1] == nil)
+		fontnames[1] = getenv("fixfont");
+	if(fontnames[1] == nil)
+		fontnames[1] = fontnames[0];
+	fontnames[0] = estrdup(fontnames[0]);
+	fontnames[1] = estrdup(fontnames[1]);
+
+	quotefmtinstall();
+	cputype = getenv("cputype");
+	objtype = getenv("objtype");
+	home = getenv("home");
+	p = getenv("tabstop");
+	if(p != nil){
+		maxtab = strtoul(p, nil, 0);
+		free(p);
+	}
+	if(maxtab == 0)
+		maxtab = 4; 
+	if(loadfile)
+		rowloadfonts(loadfile);
+	putenv("font", fontnames[0]);
+	putenv("fixfont", fontnames[1]);
+	snarffd = open("/dev/snarf", OREAD|OCEXEC);
+	if(cputype){
+		sprint(buf, "/acme/bin/%s", cputype);
+		bind(buf, "/bin", MBEFORE);
+	}
+	bind("/acme/bin", "/bin", MBEFORE);
+	getwd(wdir, sizeof wdir);
+
+	if(geninitdraw(nil, derror, fontnames[0], "acme", nil, Refnone) < 0){
+		fprint(2, "acme: can't open display: %r\n");
+		exits("geninitdraw");
+	}
+	d = display;
+	font = d->defaultfont;
+
+	reffont.f = font;
+	reffonts[0] = &reffont;
+	incref(&reffont);	/* one to hold up 'font' variable */
+	incref(&reffont);	/* one to hold up reffonts[0] */
+	fontcache = emalloc(sizeof(Reffont*));
+	nfontcache = 1;
+	fontcache[0] = &reffont;
+
+	iconinit();
+	timerinit();
+	rxinit();
+
+	cwait = threadwaitchan();
+	ccommand = chancreate(sizeof(Command**), 0);
+	ckill = chancreate(sizeof(Rune*), 0);
+	cxfidalloc = chancreate(sizeof(Xfid*), 0);
+	cxfidfree = chancreate(sizeof(Xfid*), 0);
+	cnewwindow = chancreate(sizeof(Channel*), 0);
+	cerr = chancreate(sizeof(char*), 0);
+	cedit = chancreate(sizeof(int), 0);
+	cexit = chancreate(sizeof(int), 0);
+	cwarn = chancreate(sizeof(void*), 1);
+	if(cwait==nil || ccommand==nil || ckill==nil || cxfidalloc==nil || cxfidfree==nil || cnewwindow==nil || cerr==nil || cedit==nil || cexit==nil || cwarn==nil){
+		fprint(2, "acme: can't create initial channels: %r\n");
+		threadexitsall("channels");
+	}
+
+	mousectl = initmouse(nil, screen);
+	if(mousectl == nil){
+		fprint(2, "acme: can't initialize mouse: %r\n");
+		threadexitsall("mouse");
+	}
+	mouse = mousectl;
+	keyboardctl = initkeyboard(nil);
+	if(keyboardctl == nil){
+		fprint(2, "acme: can't initialize keyboard: %r\n");
+		threadexitsall("keyboard");
+	}
+	mainpid = getpid();
+	plumbeditfd = plumbopen("edit", OREAD|OCEXEC);
+	if(plumbeditfd >= 0){
+		cplumb = chancreate(sizeof(Plumbmsg*), 0);
+		proccreate(plumbproc, nil, STACK);
+	}
+	plumbsendfd = plumbopen("send", OWRITE|OCEXEC);
+
+	fsysinit();
+
+	#define	WPERCOL	8
+	disk = diskinit();
+	if(!loadfile || !rowload(&row, loadfile, TRUE)){
+		rowinit(&row, screen->clipr);
+		if(ncol < 0){
+			if(argc == 0)
+				ncol = 2;
+			else{
+				ncol = (argc+(WPERCOL-1))/WPERCOL;
+				if(ncol < 2)
+					ncol = 2;
+			}
+		}
+		if(ncol == 0)
+			ncol = 2;
+		for(i=0; i<ncol; i++){
+			c = rowadd(&row, nil, -1);
+			if(c==nil && i==0)
+				error("initializing columns");
+		}
+		c = row.col[row.ncol-1];
+		if(argc == 0){
+			Window *w = errorwin(nil, 'E');
+			winunlock(w);
+			readfile(row.col[0], wdir);
+		}else
+			for(i=0; i<argc; i++){
+				p = utfrrune(argv[i], '/');
+				if((p!=nil && strcmp(p, "/guide")==0) || i/WPERCOL>=row.ncol)
+					readfile(c, argv[i]);
+				else
+					readfile(row.col[i/WPERCOL], argv[i]);
+			}
+	}
+	flushimage(display, 1);
+
+	acmeerrorinit();
+	threadcreate(keyboardthread, nil, STACK);
+	threadcreate(mousethread, nil, STACK);
+	threadcreate(waitthread, nil, STACK);
+	threadcreate(xfidallocthread, nil, STACK);
+	threadcreate(newwindowthread, nil, STACK);
+
+	threadnotify(shutdown, 1);
+	recvul(cexit);
+	killprocs();
+	threadexitsall(nil);
+}
+
+void
+readfile(Column *c, char *s)
+{
+	Window *w;
+	Rune rb[256];
+	int nb, nr;
+	Runestr rs;
+
+	w = coladd(c, nil, nil, -1);
+	cvttorunes(s, strlen(s), rb, &nb, &nr, nil);
+	rs = cleanrname((Runestr){rb, nr});
+	winsetname(w, rs.r, rs.nr);
+	textload(&w->body, 0, s, 1);
+	w->body.file->mod = FALSE;
+	w->dirty = FALSE;
+	winsettag(w);
+	textscrdraw(&w->body);
+	textsetselect(&w->tag, w->tag.file->nc, w->tag.file->nc);
+	xfidlog(w, "new");
+}
+
+char *oknotes[] ={
+	"delete",
+	"hangup",
+	"kill",
+	"exit",
+	nil
+};
+
+int	dumping;
+
+int
+shutdown(void*, char *msg)
+{
+	int i;
+
+	killprocs();
+	if(!dumping && strcmp(msg, "kill")!=0 && strcmp(msg, "exit")!=0 && getpid()==mainpid){
+		dumping = TRUE;
+		rowdump(&row, nil);
+	}
+	for(i=0; oknotes[i]; i++)
+		if(strncmp(oknotes[i], msg, strlen(oknotes[i])) == 0)
+			threadexitsall(msg);
+	print("acme: %s\n", msg);
+	abort();
+	return 0;
+}
+
+void
+killprocs(void)
+{
+	Command *c;
+
+	fsysclose();
+//	if(display)
+//		flushimage(display, 1);
+
+	for(c=command; c; c=c->next)
+		postnote(PNGROUP, c->pid, "hangup");
+	remove(acmeerrorfile);
+}
+
+static int errorfd;
+
+void
+acmeerrorproc(void *)
+{
+	char *buf, *s;
+	int n;
+
+	threadsetname("acmeerrorproc");
+	buf = emalloc(8192+1);
+	while((n=read(errorfd, buf, 8192)) >= 0){
+		buf[n] = '\0';
+		s = estrdup(buf);
+		sendp(cerr, s);
+	}
+	free(buf);
+}
+
+void
+acmeerrorinit(void)
+{
+	int fd, pfd[2];
+	char buf[64];
+
+	if(pipe(pfd) < 0)
+		error("can't create pipe");
+	sprint(acmeerrorfile, "/srv/acme.%s.%d", getuser(), mainpid);
+	fd = create(acmeerrorfile, OWRITE, 0666);
+	if(fd < 0){
+		remove(acmeerrorfile);
+  		fd = create(acmeerrorfile, OWRITE, 0666);
+		if(fd < 0)
+			error("can't create acmeerror file");
+	}
+	sprint(buf, "%d", pfd[0]);
+	write(fd, buf, strlen(buf));
+	close(fd);
+	/* reopen pfd[1] close on exec */
+	sprint(buf, "/fd/%d", pfd[1]);
+	errorfd = open(buf, OREAD|OCEXEC);
+	if(errorfd < 0)
+		error("can't re-open acmeerror file");
+	close(pfd[1]);
+	close(pfd[0]);
+	proccreate(acmeerrorproc, nil, STACK);
+}
+
+void
+plumbproc(void *)
+{
+	Plumbmsg *m;
+
+	threadsetname("plumbproc");
+	for(;;){
+		m = plumbrecv(plumbeditfd);
+		if(m == nil)
+			threadexits(nil);
+		sendp(cplumb, m);
+	}
+}
+
+void
+keyboardthread(void *)
+{
+	Rune r;
+	Timer *timer;
+	Text *t;
+	enum { KTimer, KKey, NKALT };
+	static Alt alts[NKALT+1];
+
+	alts[KTimer].c = nil;
+	alts[KTimer].v = nil;
+	alts[KTimer].op = CHANNOP;
+	alts[KKey].c = keyboardctl->c;
+	alts[KKey].v = &r;
+	alts[KKey].op = CHANRCV;
+	alts[NKALT].op = CHANEND;
+
+	timer = nil;
+	typetext = nil;
+	threadsetname("keyboardthread");
+	for(;;){
+		switch(alt(alts)){
+		case KTimer:
+			timerstop(timer);
+			t = typetext;
+			if(t!=nil && t->what==Tag){
+				winlock(t->w, 'K');
+				wincommit(t->w, t);
+				winunlock(t->w);
+				flushimage(display, 1);
+			}
+			alts[KTimer].c = nil;
+			alts[KTimer].op = CHANNOP;
+			break;
+		case KKey:
+		casekeyboard:
+			typetext = rowtype(&row, r, mouse->xy);
+			t = typetext;
+			if(t!=nil && t->col!=nil && !(r==Kdown || r==Kleft || r==Kright))	/* scrolling doesn't change activecol */
+				activecol = t->col;
+			if(t!=nil && t->w!=nil)
+				t->w->body.file->curtext = &t->w->body;
+			if(timer != nil)
+				timercancel(timer);
+			if(t!=nil && t->what==Tag) {
+				timer = timerstart(500);
+				alts[KTimer].c = timer->c;
+				alts[KTimer].op = CHANRCV;
+			}else{
+				timer = nil;
+				alts[KTimer].c = nil;
+				alts[KTimer].op = CHANNOP;
+			}
+			if(nbrecv(keyboardctl->c, &r) > 0)
+				goto casekeyboard;
+			flushimage(display, 1);
+			break;
+		}
+	}
+}
+
+void
+mousethread(void *)
+{
+	Text *t, *argt;
+	int but;
+	uint q0, q1;
+	Window *w;
+	Plumbmsg *pm;
+	Mouse m;
+	char *act;
+	enum { MResize, MMouse, MPlumb, MWarnings, NMALT };
+	static Alt alts[NMALT+1];
+
+	threadsetname("mousethread");
+	alts[MResize].c = mousectl->resizec;
+	alts[MResize].v = nil;
+	alts[MResize].op = CHANRCV;
+	alts[MMouse].c = mousectl->c;
+	alts[MMouse].v = &mousectl->Mouse;
+	alts[MMouse].op = CHANRCV;
+	alts[MPlumb].c = cplumb;
+	alts[MPlumb].v = &pm;
+	alts[MPlumb].op = CHANRCV;
+	alts[MWarnings].c = cwarn;
+	alts[MWarnings].v = nil;
+	alts[MWarnings].op = CHANRCV;
+	if(cplumb == nil)
+		alts[MPlumb].op = CHANNOP;
+	alts[NMALT].op = CHANEND;
+	
+	for(;;){
+		qlock(&row);
+		flushwarnings();
+		qunlock(&row);
+		flushimage(display, 1);
+		switch(alt(alts)){
+		case MResize:
+			if(getwindow(display, Refnone) < 0)
+				error("attach to window");
+			scrlresize();
+			rowresize(&row, screen->clipr);
+			break;
+		case MPlumb:
+			if(strcmp(pm->type, "text") == 0){
+				act = plumblookup(pm->attr, "action");
+				if(act==nil || strcmp(act, "showfile")==0)
+					plumblook(pm);
+				else if(strcmp(act, "showdata")==0)
+					plumbshow(pm);
+			}
+			plumbfree(pm);
+			break;
+		case MWarnings:
+			break;
+		case MMouse:
+			/*
+			 * Make a copy so decisions are consistent; mousectl changes
+			 * underfoot.  Can't just receive into m because this introduces
+			 * another race; see /sys/src/libdraw/mouse.c.
+			 */
+			m = mousectl->Mouse;
+			qlock(&row);
+			t = rowwhich(&row, m.xy);
+
+			if((t!=mousetext && t!=nil && t->w!=nil) &&
+				(mousetext==nil || mousetext->w==nil || t->w->id!=mousetext->w->id)) {
+				xfidlog(t->w, "focus");
+			}
+
+			if(t!=mousetext && mousetext!=nil && mousetext->w!=nil){
+				winlock(mousetext->w, 'M');
+				mousetext->eq0 = ~0;
+				wincommit(mousetext->w, mousetext);
+				winunlock(mousetext->w);
+			}
+			mousetext = t;
+			if(t == nil)
+				goto Continue;
+			w = t->w;
+			if(t==nil || m.buttons==0)
+				goto Continue;
+			but = 0;
+			if(m.buttons == 1)
+				but = 1;
+			else if(m.buttons == 2)
+				but = 2;
+			else if(m.buttons == 4)
+				but = 3;
+			barttext = t;
+			if(t->what==Body && ptinrect(m.xy, t->scrollr)){
+				if(but){
+					winlock(w, 'M');
+					t->eq0 = ~0;
+					textscroll(t, but);
+					winunlock(w);
+				}
+				goto Continue;
+			}
+			/* scroll buttons, wheels, etc. */
+			if(t->what==Body && w != nil && (m.buttons & (8|16))){
+				if(m.buttons & 8)
+					but = Kscrolloneup;
+				else
+					but = Kscrollonedown;
+				winlock(w, 'M');
+				t->eq0 = ~0;
+				texttype(t, but);
+				winunlock(w);
+				goto Continue;
+			}
+			if(ptinrect(m.xy, t->scrollr)){
+				if(but){
+					if(t->what == Columntag)
+						rowdragcol(&row, t->col, but);
+					else if(t->what == Tag){
+						coldragwin(t->col, t->w, but);
+						if(t->w)
+							barttext = &t->w->body;
+					}
+					if(t->col)
+						activecol = t->col;
+				}
+				goto Continue;
+			}
+			if(m.buttons){
+				if(w)
+					winlock(w, 'M');
+				t->eq0 = ~0;
+				if(w)
+					wincommit(w, t);
+				else
+					textcommit(t, TRUE);
+				if(m.buttons & 1){
+					textselect(t);
+					if(w)
+						winsettag(w);
+					argtext = t;
+					seltext = t;
+					if(t->col)
+						activecol = t->col;	/* button 1 only */
+					if(t->w!=nil && t==&t->w->body)
+						activewin = t->w;
+				}else if(m.buttons & 2){
+					if(textselect2(t, &q0, &q1, &argt))
+						execute(t, q0, q1, FALSE, argt);
+				}else if(m.buttons & 4){
+					if(textselect3(t, &q0, &q1))
+						look3(t, q0, q1, FALSE);
+				}
+				if(w)
+					winunlock(w);
+				goto Continue;
+			}
+    Continue:
+			qunlock(&row);
+			break;
+		}
+	}
+}
+
+/*
+ * There is a race between process exiting and our finding out it was ever created.
+ * This structure keeps a list of processes that have exited we haven't heard of.
+ */
+typedef struct Pid Pid;
+struct Pid
+{
+	int	pid;
+	char	msg[ERRMAX];
+	Pid	*next;
+};
+
+void
+waitthread(void *)
+{
+	Waitmsg *w;
+	Command *c, *lc;
+	uint pid;
+	int found, ncmd;
+	Rune *cmd;
+	char *err;
+	Text *t;
+	Pid *pids, *p, *lastp;
+	enum { WErr, WKill, WWait, WCmd, NWALT };
+	Alt alts[NWALT+1];
+
+	threadsetname("waitthread");
+	pids = nil;
+	alts[WErr].c = cerr;
+	alts[WErr].v = &err;
+	alts[WErr].op = CHANRCV;
+	alts[WKill].c = ckill;
+	alts[WKill].v = &cmd;
+	alts[WKill].op = CHANRCV;
+	alts[WWait].c = cwait;
+	alts[WWait].v = &w;
+	alts[WWait].op = CHANRCV;
+	alts[WCmd].c = ccommand;
+	alts[WCmd].v = &c;
+	alts[WCmd].op = CHANRCV;
+	alts[NWALT].op = CHANEND;
+
+	command = nil;
+	for(;;){
+		switch(alt(alts)){
+		case WErr:
+			qlock(&row);
+			warning(nil, "%s", err);
+			free(err);
+			flushimage(display, 1);
+			qunlock(&row);
+			break;
+		case WKill:
+			found = FALSE;
+			ncmd = runestrlen(cmd);
+			for(c=command; c; c=c->next){
+				/* -1 for blank */
+				if(runeeq(c->name, c->nname-1, cmd, ncmd) == TRUE){
+					if(postnote(PNGROUP, c->pid, "kill") < 0)
+						warning(nil, "kill %S: %r\n", cmd);
+					found = TRUE;
+				}
+			}
+			if(!found)
+				warning(nil, "Kill: no process %S\n", cmd);
+			free(cmd);
+			break;
+		case WWait:
+			pid = w->pid;
+			lc = nil;
+			for(c=command; c; c=c->next){
+				if(c->pid == pid){
+					if(lc)
+						lc->next = c->next;
+					else
+						command = c->next;
+					break;
+				}
+				lc = c;
+			}
+			qlock(&row);
+			t = &row.tag;
+			textcommit(t, TRUE);
+			if(c == nil){
+				/* helper processes use this exit status */
+				if(strncmp(w->msg, "libthread", 9) != 0){
+					p = emalloc(sizeof(Pid));
+					p->pid = pid;
+					strncpy(p->msg, w->msg, sizeof(p->msg));
+					p->next = pids;
+					pids = p;
+				}
+			}else{
+				if(search(t, c->name, c->nname)){
+					textdelete(t, t->q0, t->q1, TRUE);
+					textsetselect(t, 0, 0);
+				}
+				if(w->msg[0])
+					warning(c->md, "%s\n", w->msg);
+				flushimage(display, 1);
+			}
+			qunlock(&row);
+			free(w);
+    Freecmd:
+			if(c){
+				if(c->iseditcmd)
+					sendul(cedit, 0);
+				free(c->text);
+				free(c->name);
+				fsysdelid(c->md);
+				free(c);
+			}
+			break;
+		case WCmd:
+			/* has this command already exited? */
+			lastp = nil;
+			for(p=pids; p!=nil; p=p->next){
+				if(p->pid == c->pid){
+					if(p->msg[0])
+						warning(c->md, "%s\n", p->msg);
+					if(lastp == nil)
+						pids = p->next;
+					else
+						lastp->next = p->next;
+					free(p);
+					goto Freecmd;
+				}
+				lastp = p;
+			}
+			c->next = command;
+			command = c;
+			qlock(&row);
+			t = &row.tag;
+			textcommit(t, TRUE);
+			textinsert(t, 0, c->name, c->nname, TRUE);
+			textsetselect(t, 0, 0);
+			flushimage(display, 1);
+			qunlock(&row);
+			break;
+		}
+	}
+}
+
+void
+xfidallocthread(void*)
+{
+	Xfid *xfree, *x;
+	enum { Alloc, Free, N };
+	static Alt alts[N+1];
+
+	threadsetname("xfidallocthread");
+	alts[Alloc].c = cxfidalloc;
+	alts[Alloc].v = nil;
+	alts[Alloc].op = CHANRCV;
+	alts[Free].c = cxfidfree;
+	alts[Free].v = &x;
+	alts[Free].op = CHANRCV;
+	alts[N].op = CHANEND;
+
+	xfree = nil;
+	for(;;){
+		switch(alt(alts)){
+		case Alloc:
+			x = xfree;
+			if(x)
+				xfree = x->next;
+			else{
+				x = emalloc(sizeof(Xfid));
+				x->c = chancreate(sizeof(void(*)(Xfid*)), 0);
+				x->arg = x;
+				threadcreate(xfidctl, x->arg, STACK);
+			}
+			sendp(cxfidalloc, x);
+			break;
+		case Free:
+			x->next = xfree;
+			xfree = x;
+			break;
+		}
+	}
+}
+
+/* this thread, in the main proc, allows fsysproc to get a window made without doing graphics */
+void
+newwindowthread(void*)
+{
+	Window *w;
+
+	threadsetname("newwindowthread");
+
+	for(;;){
+		/* only fsysproc is talking to us, so synchronization is trivial */
+		recvp(cnewwindow);
+		w = makenewwindow(nil);
+		winsettag(w);
+		xfidlog(w, "new");
+		sendp(cnewwindow, w);
+	}
+}
+
+Reffont*
+rfget(int fix, int save, int setfont, char *name)
+{
+	Reffont *r;
+	Font *f;
+	int i;
+
+	r = nil;
+	if(name == nil){
+		name = fontnames[fix];
+		r = reffonts[fix];
+	}
+	if(r == nil){
+		for(i=0; i<nfontcache; i++)
+			if(strcmp(name, fontcache[i]->f->name) == 0){
+				r = fontcache[i];
+				goto Found;
+			}
+		f = openfont(display, name);
+		if(f == nil){
+			warning(nil, "can't open font file %s: %r\n", name);
+			return nil;
+		}
+		r = emalloc(sizeof(Reffont));
+		r->f = f;
+		fontcache = erealloc(fontcache, (nfontcache+1)*sizeof(Reffont*));
+		fontcache[nfontcache++] = r;
+	}
+    Found:
+	if(save){
+		incref(r);
+		if(reffonts[fix])
+			rfclose(reffonts[fix]);
+		reffonts[fix] = r;
+		if(name != fontnames[fix]){
+			free(fontnames[fix]);
+			fontnames[fix] = estrdup(name);
+		}
+	}
+	if(setfont){
+		reffont.f = r->f;
+		incref(r);
+		rfclose(reffonts[0]);
+		font = r->f;
+		reffonts[0] = r;
+		incref(r);
+		iconinit();
+	}
+	incref(r);
+	return r;
+}
+
+void
+rfclose(Reffont *r)
+{
+	int i;
+
+	if(decref(r) == 0){
+		for(i=0; i<nfontcache; i++)
+			if(r == fontcache[i])
+				break;
+		if(i >= nfontcache)
+			warning(nil, "internal error: can't find font in cache\n");
+		else{
+			nfontcache--;
+			memmove(fontcache+i, fontcache+i+1, (nfontcache-i)*sizeof(Reffont*));
+		}
+		freefont(r->f);
+		free(r);
+	}
+}
+
+Cursor boxcursor = {
+	{-7, -7},
+	{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+	 0xFF, 0xFF, 0xF8, 0x1F, 0xF8, 0x1F, 0xF8, 0x1F,
+	 0xF8, 0x1F, 0xF8, 0x1F, 0xF8, 0x1F, 0xFF, 0xFF,
+	 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
+	{0x00, 0x00, 0x7F, 0xFE, 0x7F, 0xFE, 0x7F, 0xFE,
+	 0x70, 0x0E, 0x70, 0x0E, 0x70, 0x0E, 0x70, 0x0E,
+	 0x70, 0x0E, 0x70, 0x0E, 0x70, 0x0E, 0x70, 0x0E,
+	 0x7F, 0xFE, 0x7F, 0xFE, 0x7F, 0xFE, 0x00, 0x00}
+};
+
+void
+iconinit(void)
+{
+	Rectangle r;
+	Image *tmp;
+
+	/* Blue */
+	tagcols[BACK] = allocimagemix(display, DPalebluegreen, DWhite);
+	tagcols[HIGH] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DPalegreygreen);
+	tagcols[BORD] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DPurpleblue);
+	tagcols[TEXT] = display->black;
+	tagcols[HTEXT] = display->black;
+
+	/* Yellow */
+	textcols[BACK] = allocimagemix(display, DPaleyellow, DWhite);
+	textcols[HIGH] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DDarkyellow);
+	textcols[BORD] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DYellowgreen);
+	textcols[TEXT] = display->black;
+	textcols[HTEXT] = display->black;
+
+	if(button){
+		freeimage(button);
+		freeimage(modbutton);
+		freeimage(colbutton);
+	}
+
+	r = Rect(0, 0, Scrollwid+2, font->height+1);
+	button = allocimage(display, r, screen->chan, 0, DNofill);
+	draw(button, r, tagcols[BACK], nil, r.min);
+	r.max.x -= 2;
+	border(button, r, 2, tagcols[BORD], ZP);
+
+	r = button->r;
+	modbutton = allocimage(display, r, screen->chan, 0, DNofill);
+	draw(modbutton, r, tagcols[BACK], nil, r.min);
+	r.max.x -= 2;
+	border(modbutton, r, 2, tagcols[BORD], ZP);
+	r = insetrect(r, 2);
+	tmp = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DMedblue);
+	draw(modbutton, r, tmp, nil, ZP);
+	freeimage(tmp);
+
+	r = button->r;
+	colbutton = allocimage(display, r, screen->chan, 0, DPurpleblue);
+
+	but2col = allocimage(display, r, screen->chan, 1, 0xAA0000FF);
+	but3col = allocimage(display, r, screen->chan, 1, 0x006600FF);
+}
+
+/*
+ * /dev/snarf updates when the file is closed, so we must open our own
+ * fd here rather than use snarffd
+ */
+
+/* rio truncates larges snarf buffers, so this avoids using the
+ * service if the string is huge */
+
+#define MAXSNARF 100*1024
+
+void
+putsnarf(void)
+{
+	int fd, i, n;
+
+	if(snarffd<0 || snarfbuf.nc==0)
+		return;
+	if(snarfbuf.nc > MAXSNARF)
+		return;
+	fd = open("/dev/snarf", OWRITE);
+	if(fd < 0)
+		return;
+	for(i=0; i<snarfbuf.nc; i+=n){
+		n = snarfbuf.nc-i;
+		if(n >= NSnarf)
+			n = NSnarf;
+		bufread(&snarfbuf, i, snarfrune, n);
+		if(fprint(fd, "%.*S", n, snarfrune) < 0)
+			break;
+	}
+	close(fd);
+}
+
+void
+getsnarf()
+{
+	int nulls;
+
+	if(snarfbuf.nc > MAXSNARF)
+		return;
+	if(snarffd < 0)
+		return;
+	seek(snarffd, 0, 0);
+	bufreset(&snarfbuf);
+	bufload(&snarfbuf, 0, snarffd, &nulls);
+}
diff --git a/patch/acme-fixfont/acme.c.orig b/patch/acme-fixfont/acme.c.orig
new file mode 100644
index 0000000..e874d35
--- /dev/null
+++ b/patch/acme-fixfont/acme.c.orig
@@ -0,0 +1,966 @@
+#include <u.h>
+#include <libc.h>
+#include <draw.h>
+#include <thread.h>
+#include <cursor.h>
+#include <mouse.h>
+#include <keyboard.h>
+#include <frame.h>
+#include <fcall.h>
+#include <plumb.h>
+#include "dat.h"
+#include "fns.h"
+	/* for generating syms in mkfile only: */
+	#include <bio.h>
+	#include "edit.h"
+
+void	mousethread(void*);
+void	keyboardthread(void*);
+void	waitthread(void*);
+void	xfidallocthread(void*);
+void	newwindowthread(void*);
+void plumbproc(void*);
+
+Reffont	**fontcache;
+int		nfontcache;
+char		wdir[512] = ".";
+Reffont	*reffonts[2];
+int		snarffd = -1;
+int		mainpid;
+int		plumbsendfd;
+int		plumbeditfd;
+
+enum{
+	NSnarf = 1000	/* less than 1024, I/O buffer size */
+};
+Rune	snarfrune[NSnarf+1];
+
+char		*fontnames[2];
+
+Command *command;
+
+void	acmeerrorinit(void);
+void	readfile(Column*, char*);
+int	shutdown(void*, char*);
+
+void
+derror(Display*, char *errorstr)
+{
+	error(errorstr);
+}
+
+void
+threadmain(int argc, char *argv[])
+{
+	int i;
+	char *p, *loadfile;
+	char buf[256];
+	Column *c;
+	int ncol;
+	Display *d;
+
+	rfork(RFENVG|RFNAMEG);
+
+	ncol = -1;
+
+	loadfile = nil;
+	ARGBEGIN{
+	case 'a':
+		globalindent[AUTOINDENT] = TRUE;
+		break;
+	case 'b':
+		bartflag = TRUE;
+		break;
+	case 'c':
+		p = ARGF();
+		if(p == nil)
+			goto Usage;
+		ncol = atoi(p);
+		if(ncol <= 0)
+			goto Usage;
+		break;
+	case 'f':
+		fontnames[0] = ARGF();
+		if(fontnames[0] == nil)
+			goto Usage;
+		break;
+	case 'F':
+		fontnames[1] = ARGF();
+		if(fontnames[1] == nil)
+			goto Usage;
+		break;
+	case 'i':
+		globalindent[SPACESINDENT] = TRUE;
+		break;
+	case 'l':
+		loadfile = ARGF();
+		if(loadfile == nil)
+			goto Usage;
+		break;
+	default:
+	Usage:
+		fprint(2, "usage: acme [-aib] [-c ncol] [-f font] [-F fixedfont] [-l loadfile | file...]\n");
+		exits("usage");
+	}ARGEND
+
+	if(fontnames[0] == nil)
+		fontnames[0] = getenv("font");
+	if(fontnames[0] == nil)
+		fontnames[0] = "/lib/font/bit/vga/unicode.font";
+	if(access(fontnames[0], 0) < 0){
+		fprint(2, "acme: can't access %s: %r\n", fontnames[0]);
+		exits("font open");
+	}
+	if(fontnames[1] == nil)
+		fontnames[1] = fontnames[0];
+	fontnames[0] = estrdup(fontnames[0]);
+	fontnames[1] = estrdup(fontnames[1]);
+
+	quotefmtinstall();
+	cputype = getenv("cputype");
+	objtype = getenv("objtype");
+	home = getenv("home");
+	p = getenv("tabstop");
+	if(p != nil){
+		maxtab = strtoul(p, nil, 0);
+		free(p);
+	}
+	if(maxtab == 0)
+		maxtab = 4; 
+	if(loadfile)
+		rowloadfonts(loadfile);
+	putenv("font", fontnames[0]);
+	snarffd = open("/dev/snarf", OREAD|OCEXEC);
+	if(cputype){
+		sprint(buf, "/acme/bin/%s", cputype);
+		bind(buf, "/bin", MBEFORE);
+	}
+	bind("/acme/bin", "/bin", MBEFORE);
+	getwd(wdir, sizeof wdir);
+
+	if(geninitdraw(nil, derror, fontnames[0], "acme", nil, Refnone) < 0){
+		fprint(2, "acme: can't open display: %r\n");
+		exits("geninitdraw");
+	}
+	d = display;
+	font = d->defaultfont;
+
+	reffont.f = font;
+	reffonts[0] = &reffont;
+	incref(&reffont);	/* one to hold up 'font' variable */
+	incref(&reffont);	/* one to hold up reffonts[0] */
+	fontcache = emalloc(sizeof(Reffont*));
+	nfontcache = 1;
+	fontcache[0] = &reffont;
+
+	iconinit();
+	timerinit();
+	rxinit();
+
+	cwait = threadwaitchan();
+	ccommand = chancreate(sizeof(Command**), 0);
+	ckill = chancreate(sizeof(Rune*), 0);
+	cxfidalloc = chancreate(sizeof(Xfid*), 0);
+	cxfidfree = chancreate(sizeof(Xfid*), 0);
+	cnewwindow = chancreate(sizeof(Channel*), 0);
+	cerr = chancreate(sizeof(char*), 0);
+	cedit = chancreate(sizeof(int), 0);
+	cexit = chancreate(sizeof(int), 0);
+	cwarn = chancreate(sizeof(void*), 1);
+	if(cwait==nil || ccommand==nil || ckill==nil || cxfidalloc==nil || cxfidfree==nil || cnewwindow==nil || cerr==nil || cedit==nil || cexit==nil || cwarn==nil){
+		fprint(2, "acme: can't create initial channels: %r\n");
+		threadexitsall("channels");
+	}
+
+	mousectl = initmouse(nil, screen);
+	if(mousectl == nil){
+		fprint(2, "acme: can't initialize mouse: %r\n");
+		threadexitsall("mouse");
+	}
+	mouse = mousectl;
+	keyboardctl = initkeyboard(nil);
+	if(keyboardctl == nil){
+		fprint(2, "acme: can't initialize keyboard: %r\n");
+		threadexitsall("keyboard");
+	}
+	mainpid = getpid();
+	plumbeditfd = plumbopen("edit", OREAD|OCEXEC);
+	if(plumbeditfd >= 0){
+		cplumb = chancreate(sizeof(Plumbmsg*), 0);
+		proccreate(plumbproc, nil, STACK);
+	}
+	plumbsendfd = plumbopen("send", OWRITE|OCEXEC);
+
+	fsysinit();
+
+	#define	WPERCOL	8
+	disk = diskinit();
+	if(!loadfile || !rowload(&row, loadfile, TRUE)){
+		rowinit(&row, screen->clipr);
+		if(ncol < 0){
+			if(argc == 0)
+				ncol = 2;
+			else{
+				ncol = (argc+(WPERCOL-1))/WPERCOL;
+				if(ncol < 2)
+					ncol = 2;
+			}
+		}
+		if(ncol == 0)
+			ncol = 2;
+		for(i=0; i<ncol; i++){
+			c = rowadd(&row, nil, -1);
+			if(c==nil && i==0)
+				error("initializing columns");
+		}
+		c = row.col[row.ncol-1];
+		if(argc == 0)
+			readfile(c, wdir);
+		else
+			for(i=0; i<argc; i++){
+				p = utfrrune(argv[i], '/');
+				if((p!=nil && strcmp(p, "/guide")==0) || i/WPERCOL>=row.ncol)
+					readfile(c, argv[i]);
+				else
+					readfile(row.col[i/WPERCOL], argv[i]);
+			}
+	}
+	flushimage(display, 1);
+
+	acmeerrorinit();
+	threadcreate(keyboardthread, nil, STACK);
+	threadcreate(mousethread, nil, STACK);
+	threadcreate(waitthread, nil, STACK);
+	threadcreate(xfidallocthread, nil, STACK);
+	threadcreate(newwindowthread, nil, STACK);
+
+	threadnotify(shutdown, 1);
+	recvul(cexit);
+	killprocs();
+	threadexitsall(nil);
+}
+
+void
+readfile(Column *c, char *s)
+{
+	Window *w;
+	Rune rb[256];
+	int nb, nr;
+	Runestr rs;
+
+	w = coladd(c, nil, nil, -1);
+	cvttorunes(s, strlen(s), rb, &nb, &nr, nil);
+	rs = cleanrname((Runestr){rb, nr});
+	winsetname(w, rs.r, rs.nr);
+	textload(&w->body, 0, s, 1);
+	w->body.file->mod = FALSE;
+	w->dirty = FALSE;
+	winsettag(w);
+	textscrdraw(&w->body);
+	textsetselect(&w->tag, w->tag.file->nc, w->tag.file->nc);
+	xfidlog(w, "new");
+}
+
+char *oknotes[] ={
+	"delete",
+	"hangup",
+	"kill",
+	"exit",
+	nil
+};
+
+int	dumping;
+
+int
+shutdown(void*, char *msg)
+{
+	int i;
+
+	killprocs();
+	if(!dumping && strcmp(msg, "kill")!=0 && strcmp(msg, "exit")!=0 && getpid()==mainpid){
+		dumping = TRUE;
+		rowdump(&row, nil);
+	}
+	for(i=0; oknotes[i]; i++)
+		if(strncmp(oknotes[i], msg, strlen(oknotes[i])) == 0)
+			threadexitsall(msg);
+	print("acme: %s\n", msg);
+	abort();
+	return 0;
+}
+
+void
+killprocs(void)
+{
+	Command *c;
+
+	fsysclose();
+//	if(display)
+//		flushimage(display, 1);
+
+	for(c=command; c; c=c->next)
+		postnote(PNGROUP, c->pid, "hangup");
+	remove(acmeerrorfile);
+}
+
+static int errorfd;
+
+void
+acmeerrorproc(void *)
+{
+	char *buf, *s;
+	int n;
+
+	threadsetname("acmeerrorproc");
+	buf = emalloc(8192+1);
+	while((n=read(errorfd, buf, 8192)) >= 0){
+		buf[n] = '\0';
+		s = estrdup(buf);
+		sendp(cerr, s);
+	}
+	free(buf);
+}
+
+void
+acmeerrorinit(void)
+{
+	int fd, pfd[2];
+	char buf[64];
+
+	if(pipe(pfd) < 0)
+		error("can't create pipe");
+	sprint(acmeerrorfile, "/srv/acme.%s.%d", getuser(), mainpid);
+	fd = create(acmeerrorfile, OWRITE, 0666);
+	if(fd < 0){
+		remove(acmeerrorfile);
+  		fd = create(acmeerrorfile, OWRITE, 0666);
+		if(fd < 0)
+			error("can't create acmeerror file");
+	}
+	sprint(buf, "%d", pfd[0]);
+	write(fd, buf, strlen(buf));
+	close(fd);
+	/* reopen pfd[1] close on exec */
+	sprint(buf, "/fd/%d", pfd[1]);
+	errorfd = open(buf, OREAD|OCEXEC);
+	if(errorfd < 0)
+		error("can't re-open acmeerror file");
+	close(pfd[1]);
+	close(pfd[0]);
+	proccreate(acmeerrorproc, nil, STACK);
+}
+
+void
+plumbproc(void *)
+{
+	Plumbmsg *m;
+
+	threadsetname("plumbproc");
+	for(;;){
+		m = plumbrecv(plumbeditfd);
+		if(m == nil)
+			threadexits(nil);
+		sendp(cplumb, m);
+	}
+}
+
+void
+keyboardthread(void *)
+{
+	Rune r;
+	Timer *timer;
+	Text *t;
+	enum { KTimer, KKey, NKALT };
+	static Alt alts[NKALT+1];
+
+	alts[KTimer].c = nil;
+	alts[KTimer].v = nil;
+	alts[KTimer].op = CHANNOP;
+	alts[KKey].c = keyboardctl->c;
+	alts[KKey].v = &r;
+	alts[KKey].op = CHANRCV;
+	alts[NKALT].op = CHANEND;
+
+	timer = nil;
+	typetext = nil;
+	threadsetname("keyboardthread");
+	for(;;){
+		switch(alt(alts)){
+		case KTimer:
+			timerstop(timer);
+			t = typetext;
+			if(t!=nil && t->what==Tag){
+				winlock(t->w, 'K');
+				wincommit(t->w, t);
+				winunlock(t->w);
+				flushimage(display, 1);
+			}
+			alts[KTimer].c = nil;
+			alts[KTimer].op = CHANNOP;
+			break;
+		case KKey:
+		casekeyboard:
+			typetext = rowtype(&row, r, mouse->xy);
+			t = typetext;
+			if(t!=nil && t->col!=nil && !(r==Kdown || r==Kleft || r==Kright))	/* scrolling doesn't change activecol */
+				activecol = t->col;
+			if(t!=nil && t->w!=nil)
+				t->w->body.file->curtext = &t->w->body;
+			if(timer != nil)
+				timercancel(timer);
+			if(t!=nil && t->what==Tag) {
+				timer = timerstart(500);
+				alts[KTimer].c = timer->c;
+				alts[KTimer].op = CHANRCV;
+			}else{
+				timer = nil;
+				alts[KTimer].c = nil;
+				alts[KTimer].op = CHANNOP;
+			}
+			if(nbrecv(keyboardctl->c, &r) > 0)
+				goto casekeyboard;
+			flushimage(display, 1);
+			break;
+		}
+	}
+}
+
+void
+mousethread(void *)
+{
+	Text *t, *argt;
+	int but;
+	uint q0, q1;
+	Window *w;
+	Plumbmsg *pm;
+	Mouse m;
+	char *act;
+	enum { MResize, MMouse, MPlumb, MWarnings, NMALT };
+	static Alt alts[NMALT+1];
+
+	threadsetname("mousethread");
+	alts[MResize].c = mousectl->resizec;
+	alts[MResize].v = nil;
+	alts[MResize].op = CHANRCV;
+	alts[MMouse].c = mousectl->c;
+	alts[MMouse].v = &mousectl->Mouse;
+	alts[MMouse].op = CHANRCV;
+	alts[MPlumb].c = cplumb;
+	alts[MPlumb].v = &pm;
+	alts[MPlumb].op = CHANRCV;
+	alts[MWarnings].c = cwarn;
+	alts[MWarnings].v = nil;
+	alts[MWarnings].op = CHANRCV;
+	if(cplumb == nil)
+		alts[MPlumb].op = CHANNOP;
+	alts[NMALT].op = CHANEND;
+	
+	for(;;){
+		qlock(&row);
+		flushwarnings();
+		qunlock(&row);
+		flushimage(display, 1);
+		switch(alt(alts)){
+		case MResize:
+			if(getwindow(display, Refnone) < 0)
+				error("attach to window");
+			scrlresize();
+			rowresize(&row, screen->clipr);
+			break;
+		case MPlumb:
+			if(strcmp(pm->type, "text") == 0){
+				act = plumblookup(pm->attr, "action");
+				if(act==nil || strcmp(act, "showfile")==0)
+					plumblook(pm);
+				else if(strcmp(act, "showdata")==0)
+					plumbshow(pm);
+			}
+			plumbfree(pm);
+			break;
+		case MWarnings:
+			break;
+		case MMouse:
+			/*
+			 * Make a copy so decisions are consistent; mousectl changes
+			 * underfoot.  Can't just receive into m because this introduces
+			 * another race; see /sys/src/libdraw/mouse.c.
+			 */
+			m = mousectl->Mouse;
+			qlock(&row);
+			t = rowwhich(&row, m.xy);
+
+			if((t!=mousetext && t!=nil && t->w!=nil) &&
+				(mousetext==nil || mousetext->w==nil || t->w->id!=mousetext->w->id)) {
+				xfidlog(t->w, "focus");
+			}
+
+			if(t!=mousetext && mousetext!=nil && mousetext->w!=nil){
+				winlock(mousetext->w, 'M');
+				mousetext->eq0 = ~0;
+				wincommit(mousetext->w, mousetext);
+				winunlock(mousetext->w);
+			}
+			mousetext = t;
+			if(t == nil)
+				goto Continue;
+			w = t->w;
+			if(t==nil || m.buttons==0)
+				goto Continue;
+			but = 0;
+			if(m.buttons == 1)
+				but = 1;
+			else if(m.buttons == 2)
+				but = 2;
+			else if(m.buttons == 4)
+				but = 3;
+			barttext = t;
+			if(t->what==Body && ptinrect(m.xy, t->scrollr)){
+				if(but){
+					winlock(w, 'M');
+					t->eq0 = ~0;
+					textscroll(t, but);
+					winunlock(w);
+				}
+				goto Continue;
+			}
+			/* scroll buttons, wheels, etc. */
+			if(t->what==Body && w != nil && (m.buttons & (8|16))){
+				if(m.buttons & 8)
+					but = Kscrolloneup;
+				else
+					but = Kscrollonedown;
+				winlock(w, 'M');
+				t->eq0 = ~0;
+				texttype(t, but);
+				winunlock(w);
+				goto Continue;
+			}
+			if(ptinrect(m.xy, t->scrollr)){
+				if(but){
+					if(t->what == Columntag)
+						rowdragcol(&row, t->col, but);
+					else if(t->what == Tag){
+						coldragwin(t->col, t->w, but);
+						if(t->w)
+							barttext = &t->w->body;
+					}
+					if(t->col)
+						activecol = t->col;
+				}
+				goto Continue;
+			}
+			if(m.buttons){
+				if(w)
+					winlock(w, 'M');
+				t->eq0 = ~0;
+				if(w)
+					wincommit(w, t);
+				else
+					textcommit(t, TRUE);
+				if(m.buttons & 1){
+					textselect(t);
+					if(w)
+						winsettag(w);
+					argtext = t;
+					seltext = t;
+					if(t->col)
+						activecol = t->col;	/* button 1 only */
+					if(t->w!=nil && t==&t->w->body)
+						activewin = t->w;
+				}else if(m.buttons & 2){
+					if(textselect2(t, &q0, &q1, &argt))
+						execute(t, q0, q1, FALSE, argt);
+				}else if(m.buttons & 4){
+					if(textselect3(t, &q0, &q1))
+						look3(t, q0, q1, FALSE);
+				}
+				if(w)
+					winunlock(w);
+				goto Continue;
+			}
+    Continue:
+			qunlock(&row);
+			break;
+		}
+	}
+}
+
+/*
+ * There is a race between process exiting and our finding out it was ever created.
+ * This structure keeps a list of processes that have exited we haven't heard of.
+ */
+typedef struct Pid Pid;
+struct Pid
+{
+	int	pid;
+	char	msg[ERRMAX];
+	Pid	*next;
+};
+
+void
+waitthread(void *)
+{
+	Waitmsg *w;
+	Command *c, *lc;
+	uint pid;
+	int found, ncmd;
+	Rune *cmd;
+	char *err;
+	Text *t;
+	Pid *pids, *p, *lastp;
+	enum { WErr, WKill, WWait, WCmd, NWALT };
+	Alt alts[NWALT+1];
+
+	threadsetname("waitthread");
+	pids = nil;
+	alts[WErr].c = cerr;
+	alts[WErr].v = &err;
+	alts[WErr].op = CHANRCV;
+	alts[WKill].c = ckill;
+	alts[WKill].v = &cmd;
+	alts[WKill].op = CHANRCV;
+	alts[WWait].c = cwait;
+	alts[WWait].v = &w;
+	alts[WWait].op = CHANRCV;
+	alts[WCmd].c = ccommand;
+	alts[WCmd].v = &c;
+	alts[WCmd].op = CHANRCV;
+	alts[NWALT].op = CHANEND;
+
+	command = nil;
+	for(;;){
+		switch(alt(alts)){
+		case WErr:
+			qlock(&row);
+			warning(nil, "%s", err);
+			free(err);
+			flushimage(display, 1);
+			qunlock(&row);
+			break;
+		case WKill:
+			found = FALSE;
+			ncmd = runestrlen(cmd);
+			for(c=command; c; c=c->next){
+				/* -1 for blank */
+				if(runeeq(c->name, c->nname-1, cmd, ncmd) == TRUE){
+					if(postnote(PNGROUP, c->pid, "kill") < 0)
+						warning(nil, "kill %S: %r\n", cmd);
+					found = TRUE;
+				}
+			}
+			if(!found)
+				warning(nil, "Kill: no process %S\n", cmd);
+			free(cmd);
+			break;
+		case WWait:
+			pid = w->pid;
+			lc = nil;
+			for(c=command; c; c=c->next){
+				if(c->pid == pid){
+					if(lc)
+						lc->next = c->next;
+					else
+						command = c->next;
+					break;
+				}
+				lc = c;
+			}
+			qlock(&row);
+			t = &row.tag;
+			textcommit(t, TRUE);
+			if(c == nil){
+				/* helper processes use this exit status */
+				if(strncmp(w->msg, "libthread", 9) != 0){
+					p = emalloc(sizeof(Pid));
+					p->pid = pid;
+					strncpy(p->msg, w->msg, sizeof(p->msg));
+					p->next = pids;
+					pids = p;
+				}
+			}else{
+				if(search(t, c->name, c->nname)){
+					textdelete(t, t->q0, t->q1, TRUE);
+					textsetselect(t, 0, 0);
+				}
+				if(w->msg[0])
+					warning(c->md, "%s\n", w->msg);
+				flushimage(display, 1);
+			}
+			qunlock(&row);
+			free(w);
+    Freecmd:
+			if(c){
+				if(c->iseditcmd)
+					sendul(cedit, 0);
+				free(c->text);
+				free(c->name);
+				fsysdelid(c->md);
+				free(c);
+			}
+			break;
+		case WCmd:
+			/* has this command already exited? */
+			lastp = nil;
+			for(p=pids; p!=nil; p=p->next){
+				if(p->pid == c->pid){
+					if(p->msg[0])
+						warning(c->md, "%s\n", p->msg);
+					if(lastp == nil)
+						pids = p->next;
+					else
+						lastp->next = p->next;
+					free(p);
+					goto Freecmd;
+				}
+				lastp = p;
+			}
+			c->next = command;
+			command = c;
+			qlock(&row);
+			t = &row.tag;
+			textcommit(t, TRUE);
+			textinsert(t, 0, c->name, c->nname, TRUE);
+			textsetselect(t, 0, 0);
+			flushimage(display, 1);
+			qunlock(&row);
+			break;
+		}
+	}
+}
+
+void
+xfidallocthread(void*)
+{
+	Xfid *xfree, *x;
+	enum { Alloc, Free, N };
+	static Alt alts[N+1];
+
+	threadsetname("xfidallocthread");
+	alts[Alloc].c = cxfidalloc;
+	alts[Alloc].v = nil;
+	alts[Alloc].op = CHANRCV;
+	alts[Free].c = cxfidfree;
+	alts[Free].v = &x;
+	alts[Free].op = CHANRCV;
+	alts[N].op = CHANEND;
+
+	xfree = nil;
+	for(;;){
+		switch(alt(alts)){
+		case Alloc:
+			x = xfree;
+			if(x)
+				xfree = x->next;
+			else{
+				x = emalloc(sizeof(Xfid));
+				x->c = chancreate(sizeof(void(*)(Xfid*)), 0);
+				x->arg = x;
+				threadcreate(xfidctl, x->arg, STACK);
+			}
+			sendp(cxfidalloc, x);
+			break;
+		case Free:
+			x->next = xfree;
+			xfree = x;
+			break;
+		}
+	}
+}
+
+/* this thread, in the main proc, allows fsysproc to get a window made without doing graphics */
+void
+newwindowthread(void*)
+{
+	Window *w;
+
+	threadsetname("newwindowthread");
+
+	for(;;){
+		/* only fsysproc is talking to us, so synchronization is trivial */
+		recvp(cnewwindow);
+		w = makenewwindow(nil);
+		winsettag(w);
+		xfidlog(w, "new");
+		sendp(cnewwindow, w);
+	}
+}
+
+Reffont*
+rfget(int fix, int save, int setfont, char *name)
+{
+	Reffont *r;
+	Font *f;
+	int i;
+
+	r = nil;
+	if(name == nil){
+		name = fontnames[fix];
+		r = reffonts[fix];
+	}
+	if(r == nil){
+		for(i=0; i<nfontcache; i++)
+			if(strcmp(name, fontcache[i]->f->name) == 0){
+				r = fontcache[i];
+				goto Found;
+			}
+		f = openfont(display, name);
+		if(f == nil){
+			warning(nil, "can't open font file %s: %r\n", name);
+			return nil;
+		}
+		r = emalloc(sizeof(Reffont));
+		r->f = f;
+		fontcache = erealloc(fontcache, (nfontcache+1)*sizeof(Reffont*));
+		fontcache[nfontcache++] = r;
+	}
+    Found:
+	if(save){
+		incref(r);
+		if(reffonts[fix])
+			rfclose(reffonts[fix]);
+		reffonts[fix] = r;
+		if(name != fontnames[fix]){
+			free(fontnames[fix]);
+			fontnames[fix] = estrdup(name);
+		}
+	}
+	if(setfont){
+		reffont.f = r->f;
+		incref(r);
+		rfclose(reffonts[0]);
+		font = r->f;
+		reffonts[0] = r;
+		incref(r);
+		iconinit();
+	}
+	incref(r);
+	return r;
+}
+
+void
+rfclose(Reffont *r)
+{
+	int i;
+
+	if(decref(r) == 0){
+		for(i=0; i<nfontcache; i++)
+			if(r == fontcache[i])
+				break;
+		if(i >= nfontcache)
+			warning(nil, "internal error: can't find font in cache\n");
+		else{
+			nfontcache--;
+			memmove(fontcache+i, fontcache+i+1, (nfontcache-i)*sizeof(Reffont*));
+		}
+		freefont(r->f);
+		free(r);
+	}
+}
+
+Cursor boxcursor = {
+	{-7, -7},
+	{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+	 0xFF, 0xFF, 0xF8, 0x1F, 0xF8, 0x1F, 0xF8, 0x1F,
+	 0xF8, 0x1F, 0xF8, 0x1F, 0xF8, 0x1F, 0xFF, 0xFF,
+	 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
+	{0x00, 0x00, 0x7F, 0xFE, 0x7F, 0xFE, 0x7F, 0xFE,
+	 0x70, 0x0E, 0x70, 0x0E, 0x70, 0x0E, 0x70, 0x0E,
+	 0x70, 0x0E, 0x70, 0x0E, 0x70, 0x0E, 0x70, 0x0E,
+	 0x7F, 0xFE, 0x7F, 0xFE, 0x7F, 0xFE, 0x00, 0x00}
+};
+
+void
+iconinit(void)
+{
+	Rectangle r;
+	Image *tmp;
+
+	/* Blue */
+	tagcols[BACK] = allocimagemix(display, DPalebluegreen, DWhite);
+	tagcols[HIGH] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DPalegreygreen);
+	tagcols[BORD] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DPurpleblue);
+	tagcols[TEXT] = display->black;
+	tagcols[HTEXT] = display->black;
+
+	/* Yellow */
+	textcols[BACK] = allocimagemix(display, DPaleyellow, DWhite);
+	textcols[HIGH] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DDarkyellow);
+	textcols[BORD] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DYellowgreen);
+	textcols[TEXT] = display->black;
+	textcols[HTEXT] = display->black;
+
+	if(button){
+		freeimage(button);
+		freeimage(modbutton);
+		freeimage(colbutton);
+	}
+
+	r = Rect(0, 0, Scrollwid+2, font->height+1);
+	button = allocimage(display, r, screen->chan, 0, DNofill);
+	draw(button, r, tagcols[BACK], nil, r.min);
+	r.max.x -= 2;
+	border(button, r, 2, tagcols[BORD], ZP);
+
+	r = button->r;
+	modbutton = allocimage(display, r, screen->chan, 0, DNofill);
+	draw(modbutton, r, tagcols[BACK], nil, r.min);
+	r.max.x -= 2;
+	border(modbutton, r, 2, tagcols[BORD], ZP);
+	r = insetrect(r, 2);
+	tmp = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DMedblue);
+	draw(modbutton, r, tmp, nil, ZP);
+	freeimage(tmp);
+
+	r = button->r;
+	colbutton = allocimage(display, r, screen->chan, 0, DPurpleblue);
+
+	but2col = allocimage(display, r, screen->chan, 1, 0xAA0000FF);
+	but3col = allocimage(display, r, screen->chan, 1, 0x006600FF);
+}
+
+/*
+ * /dev/snarf updates when the file is closed, so we must open our own
+ * fd here rather than use snarffd
+ */
+
+/* rio truncates larges snarf buffers, so this avoids using the
+ * service if the string is huge */
+
+#define MAXSNARF 100*1024
+
+void
+putsnarf(void)
+{
+	int fd, i, n;
+
+	if(snarffd<0 || snarfbuf.nc==0)
+		return;
+	if(snarfbuf.nc > MAXSNARF)
+		return;
+	fd = open("/dev/snarf", OWRITE);
+	if(fd < 0)
+		return;
+	for(i=0; i<snarfbuf.nc; i+=n){
+		n = snarfbuf.nc-i;
+		if(n >= NSnarf)
+			n = NSnarf;
+		bufread(&snarfbuf, i, snarfrune, n);
+		if(fprint(fd, "%.*S", n, snarfrune) < 0)
+			break;
+	}
+	close(fd);
+}
+
+void
+getsnarf()
+{
+	int nulls;
+
+	if(snarfbuf.nc > MAXSNARF)
+		return;
+	if(snarffd < 0)
+		return;
+	seek(snarffd, 0, 0);
+	bufreset(&snarfbuf);
+	bufload(&snarfbuf, 0, snarffd, &nulls);
+}
diff --git a/patch/acme-fixfont/email b/patch/acme-fixfont/email
new file mode 100644
index 0000000..191feb6
--- /dev/null
+++ b/patch/acme-fixfont/email
@@ -0,0 +1 @@
+john@ankarstrom.se
diff --git a/patch/acme-fixfont/files b/patch/acme-fixfont/files
new file mode 100644
index 0000000..0350059
--- /dev/null
+++ b/patch/acme-fixfont/files
@@ -0,0 +1 @@
+/sys/src/cmd/acme/acme.c acme.c
diff --git a/patch/acme-fixfont/notes b/patch/acme-fixfont/notes
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/patch/acme-fixfont/notes
diff --git a/patch/acme-fixfont/readme b/patch/acme-fixfont/readme
new file mode 100644
index 0000000..2714bbc
--- /dev/null
+++ b/patch/acme-fixfont/readme
@@ -0,0 +1,5 @@
+Set fontnames[1] to $fixfont
+
+fontnames[1] is the "alternate" font.
+The Font command without an argument
+toggles between fontnames[0] and [1].