From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Sat, 24 Aug 1996 15:39:26 -0400
From: Rob Pike rob@plan9.bell-labs.com
Subject: fix to acme
Topicbox-Message-UUID: 4b7de8dc-eac8-11e9-9e20-41e7f4b1d025
Message-ID: <19960824193926.lARL6rBxtAF_CgBOgtk-FUXs5UH-in6aED_6zGpVSzI@z>

Some time ago, someone posted a way to crash acme by creating
and deleting colums.  The fix is in /sys/src/cmd/acme/rows.l
Change

	if(c == nil){
		c = malloc(sizeof(Column));
		c->init(r);
	}else

to

	if(c == nil){
		c = malloc(sizeof(Column));
		c->init(r);
		reffont.inc();
	}else