diff -ur axiom-20050901/src/algebra/sttaylor.spad.pamphlet axiom-20050901.new/src/algebra/sttaylor.spad.pamphlet
--- axiom-20050901/src/algebra/sttaylor.spad.pamphlet	2005-01-30 07:03:10.000000000 -0500
+++ axiom-20050901.new/src/algebra/sttaylor.spad.pamphlet	2006-08-21 15:49:25.000000000 -0400
@@ -448,6 +448,9 @@
 
           RATPOWERS => co**rn * YS(powerrn(rn,(invCo :: A) * x,#1))
           error "** rational power of coefficient undefined"
+        zeropref : ST A := new(ord::I::NNI,0::A)$LA :: ST A
+        concat(zeropref, power)
+
 
     if A has Field then
       mapdiv(x,y) == delay