Index: edit.c
==================================================================
--- edit.c
+++ edit.c
@@ -108,11 +108,11 @@
   if(!o) goto nrle;
   b=o->dir&7;
   if(o->x==x+1) b|=0x40; else if(o->x!=x) b|=0x20;
   if(o->y!=y) b|=0x10;
   p=m[b&0x70?0:1];
-  if((b&0x70)!=0x20 || !r || !p) goto nrle;
+  if((b&0x70)!=0x40 || !r || !p) goto nrle;
   if(o->class!=p->class || o->image!=p->image || !ValueEq(o->misc1,p->misc1) || !ValueEq(o->misc2,p->misc2) || !ValueEq(o->misc3,p->misc3)) goto nrle;
   if(0x0F&~r) {
     r++;
   } else {
     sqlite3_str_appendchar(s,1,r);