diff --git a/basis/compiler/cfg/linear-scan/linear-scan-tests.factor b/basis/compiler/cfg/linear-scan/linear-scan-tests.factor
index 2f49bf7fae..3a9a7ac0a1 100644
--- a/basis/compiler/cfg/linear-scan/linear-scan-tests.factor
+++ b/basis/compiler/cfg/linear-scan/linear-scan-tests.factor
@@ -1465,7 +1465,7 @@ V{
 
 [ ] [ { 1 2 3 } test-linear-scan-on-cfg ] unit-test
 
-[ { 1 } ] [ 1 get instructions>> first tagged-values>> ] unit-test
+[ { { 0 1 } } ] [ 1 get instructions>> first tagged-values>> ] unit-test
 
 V{
     T{ ##peek f 0 D 0 }
@@ -1487,4 +1487,4 @@ V{
 
 [ ] [ { 1 2 3 } test-linear-scan-on-cfg ] unit-test
 
-[ { 1 } ] [ 1 get instructions>> first tagged-values>> ] unit-test
+[ { { 0 1 } } ] [ 1 get instructions>> first tagged-values>> ] unit-test
diff --git a/basis/io/streams/limited/limited-docs.factor b/basis/io/streams/limited/limited-docs.factor
index 833e53820e..6c1806ff38 100755
--- a/basis/io/streams/limited/limited-docs.factor
+++ b/basis/io/streams/limited/limited-docs.factor
@@ -88,7 +88,7 @@ HELP: stream-throws
 { stream-eofs stream-throws } related-words
 
 ARTICLE: "io.streams.limited" "Limited input streams"
-"The " { $vocab-link "io.streams.limited" } " vocabulary wraps a stream to behave as if it had only a limited number of bytes, either throwing an error or returning " { $link f } " upon reaching the end." $nl
+"The " { $vocab-link "io.streams.limited" } " vocabulary wraps a stream to behave as if it had only a limited number of bytes, either throwing an error or returning " { $link f } " upon reaching the end. Limiting a non-seekable stream keeps a byte count and triggers the end-of-stream behavior when this byte count has been reached. However, limiting a seekable stream creates a window of bytes that supports seeking and re-reading of bytes in that window." $nl
 "Wrap a stream in a limited stream:"
 { $subsections limit }
 "Wrap the current " { $link input-stream } " in a limited stream:"
diff --git a/basis/ui/gadgets/buttons/buttons.factor b/basis/ui/gadgets/buttons/buttons.factor
index d5e8dff3b1..061fd8d364 100644
--- a/basis/ui/gadgets/buttons/buttons.factor
+++ b/basis/ui/gadgets/buttons/buttons.factor
@@ -69,8 +69,8 @@ C: <button-pen> button-pen
 
 : button-pen ( button pen -- button pen )
     over find-button {
-        { [ dup { [ pressed?>> ] [ selected?>> ] } 1&& ]
-            [ drop pressed-selected>>
+        { [ dup { [ pressed?>> ] [ selected?>> ] } 1&& ] [
+            drop pressed-selected>>
         ] }
         { [ dup pressed?>> ] [ drop pressed>> ] }
         { [ dup selected?>> ] [ drop selected>> ] }
diff --git a/basis/ui/gadgets/editors/editors.factor b/basis/ui/gadgets/editors/editors.factor
index 80e15d8a98..f83c5d710a 100755
--- a/basis/ui/gadgets/editors/editors.factor
+++ b/basis/ui/gadgets/editors/editors.factor
@@ -112,7 +112,7 @@ M: editor ungraft*
     } cond ;
 
 : clicked-loc ( editor -- loc )
-    [ hand-rel ] [ point>loc ] bi ;
+    [ hand-rel ] keep point>loc ;
 
 : click-loc ( editor model -- )
     [ clicked-loc ] dip set-model ;
@@ -130,7 +130,7 @@ M: editor ungraft*
     [ loc>x ] [ [ first ] dip line>y ceiling ] 2bi 2array ;
 
 : caret-loc ( editor -- loc )
-    [ editor-caret ] [ loc>point ] bi ;
+    [ editor-caret ] keep loc>point ;
 
 : caret-dim ( editor -- dim )
     [ 0 ] dip line-height 2array ;
@@ -139,7 +139,7 @@ M: editor ungraft*
     dup graft-state>> second [
         [
             [ caret-loc ] [ caret-dim { 2 1 } v+ ] bi <rect>
-        ] [ scroll>rect ] bi
+        ] keep scroll>rect
     ] [ drop ] if ;
 
 : draw-caret? ( editor -- ? )
@@ -212,7 +212,7 @@ M: editor cap-height font>> font-metrics cap-height>> ;
     [ nip relayout ] 2tri ;
 
 : caret/mark-changed ( editor -- )
-    [ restart-blinking ] [ scroll>caret ] bi ;
+    [ restart-blinking ] keep scroll>caret ;
 
 M: editor model-changed
     {
diff --git a/basis/ui/gadgets/gadgets.factor b/basis/ui/gadgets/gadgets.factor
index a6d9028a46..e4a0e672d2 100644
--- a/basis/ui/gadgets/gadgets.factor
+++ b/basis/ui/gadgets/gadgets.factor
@@ -115,7 +115,7 @@ M: gadget gadget-text-separator
     gadget-text-separator '[ _ % ] [ gadget-text* ] interleave ;
 
 M: gadget gadget-text*
-    [ children>> ] [ gadget-seq-text ] bi ;
+    [ children>> ] keep gadget-seq-text ;
 
 M: array gadget-text*
     [ gadget-text* ] each ;
@@ -183,7 +183,7 @@ GENERIC: pref-dim* ( gadget -- dim )
 
 : pref-dim ( gadget -- dim )
     dup pref-dim>> [ ] [
-        [ pref-dim* ] [ dup layout-state>> ] bi
+        [ pref-dim* ] [ ] [ layout-state>> ] tri
         [ drop ] [ dupd (>>pref-dim) ] if
     ] ?if ;
 
@@ -388,7 +388,7 @@ M: gadget request-focus-on parent>> request-focus-on ;
 M: f request-focus-on 2drop ;
 
 : request-focus ( gadget -- )
-    [ focusable-child ] [ request-focus-on ] bi ;
+    [ focusable-child ] keep request-focus-on ;
 
 : focus-path ( gadget -- seq )
     [ focus>> ] follow ;
diff --git a/vm/os-genunix.cpp b/vm/os-genunix.cpp
index 7bbe388ff2..065f0dfd40 100644
--- a/vm/os-genunix.cpp
+++ b/vm/os-genunix.cpp
@@ -30,6 +30,7 @@ const char *default_image_path()
 	char *new_path = new char[PATH_MAX + SUFFIX_LEN + 1];
 	memcpy(new_path,path,len + 1);
 	memcpy(new_path + len,SUFFIX,SUFFIX_LEN + 1);
+	free(const_cast<char *>(path));
 	return new_path;
 }
 
diff --git a/vm/os-linux.cpp b/vm/os-linux.cpp
index 2d26fba390..352467d379 100644
--- a/vm/os-linux.cpp
+++ b/vm/os-linux.cpp
@@ -3,7 +3,7 @@
 namespace factor
 {
 
-/* Snarfed from SBCL linux-so.c. You must delete[] the result yourself. */
+/* Snarfed from SBCL linux-so.c. You must free() the result yourself. */
 const char *vm_executable_path()
 {
 	char *path = new char[PATH_MAX + 1];
@@ -17,7 +17,10 @@ const char *vm_executable_path()
 	else
 	{
 		path[size] = '\0';
-		return safe_strdup(path);
+
+		const char *ret = safe_strdup(path);
+		delete[] path;
+		return ret;
 	}
 }