diff -Nu libjwc_c-1.1/imglib.c libjwc_c/imglib.c
--- libjwc_c-1.1/imglib.c	1999-08-17 15:58:11.000000000 +0200
+++ libjwc_c/imglib.c	2004-06-03 14:24:05.000000000 +0200
@@ -4259,7 +4259,7 @@
 {
 
 /* Note: In this routine the first local axis is called 'x' and the
-         second logal axi is called 'y' */
+         second local axis is called 'y' */
 
    int mxcent;                  /* Current max no. of elements in active 
                                    spots array */
@@ -4469,6 +4469,7 @@
 
 /* skipping condition */
 
+               iymid = (actspots[j].iyend+actspots[j].iybeg)/2;
                itmp = abs(iymid-actspots[j].iycent);
                if (abs((actspots[j].iyend+actspots[j].iybeg) -(iel+ibl))>
                    abs((actspots[j].iyend-actspots[j].iybeg) +(iel-ibl))&&