diff --git a/books/bookvol10.2.pamphlet b/books/bookvol10.2.pamphlet
index 818be51..eb4f3c0 100644
--- a/books/bookvol10.2.pamphlet
+++ b/books/bookvol10.2.pamphlet
@@ -22277,7 +22277,7 @@ ListAggregate(S:Type): Category == Join(StreamAggregate S,
      removeDuplicates_! l ==
        p := l
        while not empty? p repeat
-	 p := setrest_!(p, remove_!(#1 = first p, rest p))
+	 p := setrest_!(p, remove_!((x:S):Boolean +-> x = first p, rest p))
        l
 
    if S has OrderedSet then
diff --git a/changelog b/changelog
index 93aafe8..7042874 100644
--- a/changelog
+++ b/changelog
@@ -1,3 +1,5 @@
+20090510 tpd src/axiom-website/patches.html 20090510.12.tpd.patch
+20090510 tpd books/bookvol10.2 LSAGG +-> conversion
 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
diff --git a/src/axiom-website/patches.html b/src/axiom-website/patches.html
index 09b864b..1688801 100644
--- a/src/axiom-website/patches.html
+++ b/src/axiom-website/patches.html
@@ -1182,5 +1182,7 @@ bookvol10.2 FLAGG +-> conversion<br/>
 bookvol10.3 D01AMFA +-> conversion<br/>
 <a href="patches/20090510.11.tpd.patch">20090510.11.tpd.patch</a>
 bookvol10.4 ASSOCEQ +-> conversion<br/>
+<a href="patches/20090510.12.tpd.patch">20090510.12.tpd.patch</a>
+bookvol10.2 LSAGG +-> conversion<br/>
  </body>
 </html>