diff --git a/books/bookvol10.4.pamphlet b/books/bookvol10.4.pamphlet
index d7a75f1..ea748c0 100644
--- a/books/bookvol10.4.pamphlet
+++ b/books/bookvol10.4.pamphlet
@@ -27685,7 +27685,7 @@ FractionalIdealFunctions2(R1, F1, U1, A1, R2, F2, U2, A2):
 
     map(f, i) ==
       b := basis i
-      ideal [fmap(f(numer #1) / f(denom #1), qelt(b, j))
+      ideal [fmap(s +-> f(numer s) / f(denom s), qelt(b, j))
              for j in minIndex b .. maxIndex b]$Vector(A2)
 
 @
diff --git a/changelog b/changelog
index e412771..415a08f 100644
--- a/changelog
+++ b/changelog
@@ -1,3 +1,5 @@
+20090518 tpd src/axiom-website/patches.html 20090519.01.tpd.patch
+20090519 tpd books/bookvol10.4 FRIDEAL2 +-> conversion
 20090518 tpd src/axiom-website/patches.html 20090518.13.tpd.patch
 20090518 tpd books/bookvol10.4 FDIV2 +-> conversion
 20090518 tpd src/axiom-website/patches.html 20090518.12.tpd.patch
diff --git a/src/axiom-website/patches.html b/src/axiom-website/patches.html
index 3c9761b..8210475 100644
--- a/src/axiom-website/patches.html
+++ b/src/axiom-website/patches.html
@@ -1364,5 +1364,7 @@ bookvol10.3 ULSCONS +-> conversion<br/>
 bookvol10.4 EXPRTUBE +-> conversion<br/>
 <a href="patches/20090518.13.tpd.patch">20090518.13.tpd.patch</a>
 bookvol10.4 FDIV2 +-> conversion<br/>
+<a href="patches/20090519.01.tpd.patch">20090519.01.tpd.patch</a>
+bookvol10.4 FRIDEAL2 +-> conversion<br/>
  </body>
 </html>