made abaco's gui respect $font and made readweb respect most installations

rc/bin/readweb

@@ -1,10 +1,15 @@
 #!/bin/rc
 # start abaco and its prerequisites
-rfork n
-
-# outside && bind /net.alt /net
-
+rfork ne
+if(~ $#1 0){
+	rimport '$cpu' /net
+}
+if not {
+	rimport $1 /net
+	shift
+}
 webfs
 webcookies
-echo useragent netscape 1.0 >/mnt/web/ctl
+# probably not needed
+# echo useragent netscape 1.0 >/mnt/web/ctl
 exec /$cputype/bin/abaco $*

sys/src/cmd/abaco/main.c

@@ -50,7 +50,7 @@ derror(Display *, char *s)
 static void
 usage(void)
 {
-	fprint(2, "usage: %s [-c ncol] [-m mtpt] [-t charset] [url...]\n",
+	fprint(2, "usage: %s [-c ncol] [-m mtpt] [-t charset] [-f font] [url...]\n",
 		argv0);
 	exits("usage");
 }
@@ -61,6 +61,7 @@ threadmain(int argc, char *argv[])
 	Column *c;
 	char buf[256];
 	int i, ncol;
+	char *tfnt = nil;
 
 	rfork(RFENVG|RFNAMEG);
 
@@ -80,6 +81,8 @@ threadmain(int argc, char *argv[])
 	case 't':
 		charset = EARGF(usage());
 		break;
+	case 'f':
+		tfnt = EARGF(usage());
 	default:
 		usage();
 		break;
@@ -92,6 +95,12 @@ threadmain(int argc, char *argv[])
 
 	snarffd = open("/dev/snarf", OREAD|OCEXEC);
 
+	if(tfnt == nil){
+		tfnt = getenv("font");
+		if(tfnt != nil)
+			fontnames[0] = tfnt;
+	}
+
 	if(initdraw(derror, fontnames[0], "abaco") < 0)
 		sysfatal("can't open display: %r");
 	memimageinit();