diff --git a/books/bookvol10.4.pamphlet b/books/bookvol10.4.pamphlet
index 5df8087..3ffc530 100644
--- a/books/bookvol10.4.pamphlet
+++ b/books/bookvol10.4.pamphlet
@@ -4136,7 +4136,7 @@ AssociatedEquations(R, L):Exports == Implementation where
n := nrows m
v:Vector MAT := new(n, zero(1, 0)$MAT)
v.1 := mi := m
- for i in 2..n repeat v.i := mi := map(diff #1, mi) + mi * m
+ for i in 2..n repeat v.i := mi := map((z1:R):R +-> diff z1, mi) + mi * m
[makeMatrix(v, i) for i in 1..n]
if R has Field then
diff --git a/changelog b/changelog
index 133ba78..93aafe8 100644
--- a/changelog
+++ b/changelog
@@ -1,3 +1,5 @@
+20090510 tpd src/axiom-website/patches.html 20090510.11.tpd.patch
+20090510 tpd books/bookvol10.4 ASSOCEQ +-> conversion
20090510 tpd src/axiom-website/patches.html 20090510.10.tpd.patch
20090510 tpd books/bookvol10.3 D01AMFA +-> conversion
20090510 tpd src/axiom-website/patches.html 20090510.09.tpd.patch
diff --git a/src/axiom-website/patches.html b/src/axiom-website/patches.html
index a493dba..09b864b 100644
--- a/src/axiom-website/patches.html
+++ b/src/axiom-website/patches.html
@@ -1180,5 +1180,7 @@ bookvol10.4 INTPACK +-> conversion
bookvol10.2 FLAGG +-> conversion
20090510.10.tpd.patch
bookvol10.3 D01AMFA +-> conversion
+20090510.11.tpd.patch
+bookvol10.4 ASSOCEQ +-> conversion