diff --git a/books/bookvol10.4.pamphlet b/books/bookvol10.4.pamphlet
index 8bc3344..d995ac6 100644
--- a/books/bookvol10.4.pamphlet
+++ b/books/bookvol10.4.pamphlet
@@ -117783,7 +117783,7 @@ ODETools(F, LODO): Exports == Implementation where
m:M := zero(q, #v)
for i in minRowIndex m .. maxRowIndex m repeat
setRow_!(m, i, v)
- v := map_!(diff #1, v)
+ v := map_!((f1:F):F +-> diff f1, v)
m
variationOfParameters(op, g, b) ==
diff --git a/changelog b/changelog
index 22d0840..c92f949 100644
--- a/changelog
+++ b/changelog
@@ -1,3 +1,5 @@
+20090609 tpd src/axiom-website/patches.html 20090609.04.tpd.patch
+20090609 tpd books/bookvol10.4 ODETOOLS +-> conversion
20090609 tpd src/axiom-website/patches.html 20090609.03.tpd.patch
20090609 tpd books/bookvol10.4 ODEINT +-> conversion
20090609 tpd src/axiom-website/patches.html 20090609.02.tpd.patch
diff --git a/src/axiom-website/patches.html b/src/axiom-website/patches.html
index 2d53f3b..2327627 100644
--- a/src/axiom-website/patches.html
+++ b/src/axiom-website/patches.html
@@ -1519,5 +1519,7 @@ bookvol10.4 NPCOEF +-> conversion
bookvol10.4 NUMFMT +-> conversion
20090609.03.tpd.patch
bookvol10.4 ODEINT +-> conversion
+20090609.04.tpd.patch
+bookvol10.4 ODETOOLS +-> conversion