This distribution includes a pre-patched copy of Abyss. But if you decide
to use your own copy of Abyss, you'll need to apply the following patch to
ConnReadLine:

--- conn.c~	Sun Feb 13 09:22:10 2000
+++ conn.c	Thu Jan  4 16:07:36 2001
@@ -232,7 +232,12 @@
 					*(p++)=' ';
 					continue;
 				};
-			};
+			} else {
+			    /* emk - 04 Jan 2001 - Bug fix to leave buffer
+			    ** pointing at start of body after reading blank
+			    ** line following header. */
+			    p=t;
+			}
 
 			c->bufferpos+=p+1-*z;

