diff --git a/core/alien/c-types/c-types.factor b/core/alien/c-types/c-types.factor
index d874243d71..ae99f9e6bf 100755
--- a/core/alien/c-types/c-types.factor
+++ b/core/alien/c-types/c-types.factor
@@ -45,7 +45,7 @@ GENERIC: c-type ( name -- type ) foldable
 
 : parse-array-type ( name -- array )
     "[" split unclip
-    >r [ "]" ?tail drop string>number ] map r> add* ;
+    >r [ "]" ?tail drop string>number ] map r> prefix ;
 
 M: string c-type ( name -- type )
     CHAR: ] over member? [
@@ -162,7 +162,7 @@ DEFER: >c-ushort-array
     >r >c-ushort-array r> byte-array>memory ;
 
 : (define-nth) ( word type quot -- )
-    >r heap-size [ rot * ] swap add* r> append define-inline ;
+    >r heap-size [ rot * ] swap prefix r> append define-inline ;
 
 : nth-word ( name vocab -- word )
     >r "-nth" append r> create ;
@@ -199,12 +199,12 @@ M: long-long-type box-return ( type -- )
     f swap box-parameter ;
 
 : define-deref ( name vocab -- )
-    >r dup CHAR: * add* r> create
-    swap c-getter 0 add* define-inline ;
+    >r dup CHAR: * prefix r> create
+    swap c-getter 0 prefix define-inline ;
 
 : define-out ( name vocab -- )
     over [ <c-object> tuck 0 ] over c-setter append swap
-    >r >r constructor-word r> r> add* define-inline ;
+    >r >r constructor-word r> r> prefix define-inline ;
 
 : c-bool> ( int -- ? )
     zero? not ;
@@ -257,7 +257,7 @@ M: long-long-type box-return ( type -- )
     #! staging violations
     dup array? [
         unclip >r [ dup word? [ word-def call ] when ] map
-        r> add*
+        r> prefix
     ] when ;
 
 : malloc-file-contents ( path -- alien len )
diff --git a/core/alien/compiler/compiler.factor b/core/alien/compiler/compiler.factor
index 3e0062c85a..1a9d5b5392 100755
--- a/core/alien/compiler/compiler.factor
+++ b/core/alien/compiler/compiler.factor
@@ -18,7 +18,7 @@ IN: alien.compiler
 
 : alien-node-parameters* ( node -- seq )
     dup parameters>>
-    swap return>> large-struct? [ "void*" add* ] when ;
+    swap return>> large-struct? [ "void*" prefix ] when ;
 
 : alien-node-return* ( node -- ctype )
     return>> dup large-struct? [ drop "void" ] when ;
diff --git a/core/alien/structs/structs-docs.factor b/core/alien/structs/structs-docs.factor
index 6c7775de2b..e7e576293f 100755
--- a/core/alien/structs/structs-docs.factor
+++ b/core/alien/structs/structs-docs.factor
@@ -8,7 +8,7 @@ kernel words slots assocs namespaces ;
     dup ?word-name swap 2array
     over slot-spec-name
     rot slot-spec-type 2array 2array
-    [ { $instance } swap add ] assoc-map ;
+    [ { $instance } swap suffix ] assoc-map ;
 
 : $spec-reader-values ( slot-spec class -- )
     ($spec-reader-values) $values ;
@@ -16,9 +16,9 @@ kernel words slots assocs namespaces ;
 : $spec-reader-description ( slot-spec class -- )
     [
         "Outputs the value stored in the " ,
-        { $snippet } rot slot-spec-name add ,
+        { $snippet } rot slot-spec-name suffix ,
         " slot of " ,
-        { $instance } swap add ,
+        { $instance } swap suffix ,
         " instance." ,
     ] { } make $description ;
 
@@ -43,9 +43,9 @@ M: word slot-specs "slots" word-prop ;
 : $spec-writer-description ( slot-spec class -- )
     [
         "Stores a new value to the " ,
-        { $snippet } rot slot-spec-name add ,
+        { $snippet } rot slot-spec-name suffix ,
         " slot of " ,
-        { $instance } swap add ,
+        { $instance } swap suffix ,
         " instance." ,
     ] { } make $description ;
 
diff --git a/core/alien/structs/structs.factor b/core/alien/structs/structs.factor
index e5de8ab83e..491f4351a3 100755
--- a/core/alien/structs/structs.factor
+++ b/core/alien/structs/structs.factor
@@ -16,7 +16,7 @@ IN: alien.structs
     ] reduce ;
 
 : define-struct-slot-word ( spec word quot -- )
-    rot slot-spec-offset add* define-inline ;
+    rot slot-spec-offset prefix define-inline ;
 
 : define-getter ( type spec -- )
     [ set-reader-props ] keep
diff --git a/core/bootstrap/image/image.factor b/core/bootstrap/image/image.factor
index 5d49203554..fc963683b6 100755
--- a/core/bootstrap/image/image.factor
+++ b/core/bootstrap/image/image.factor
@@ -305,7 +305,7 @@ M: float-array ' float-array emit-dummy-array ;
 ! Tuples
 : (emit-tuple) ( tuple -- pointer )
     [ tuple>array 1 tail-slice ]
-    [ class transfer-word tuple-layout ] bi add* [ ' ] map
+    [ class transfer-word tuple-layout ] bi prefix [ ' ] map
     tuple type-number dup [ emit-seq ] emit-object ;
 
 : emit-tuple ( tuple -- pointer )
diff --git a/core/classes/algebra/algebra.factor b/core/classes/algebra/algebra.factor
index 2945bd2546..5d7c114cbc 100755
--- a/core/classes/algebra/algebra.factor
+++ b/core/classes/algebra/algebra.factor
@@ -138,10 +138,10 @@ C: <anonymous-complement> anonymous-complement
     members>> [ class-and ] with map <anonymous-union> ;
 
 : left-anonymous-intersection-and ( first second -- class )
-    >r members>> r> add <anonymous-intersection> ;
+    >r members>> r> suffix <anonymous-intersection> ;
 
 : right-anonymous-intersection-and ( first second -- class )
-    members>> swap add <anonymous-intersection> ;
+    members>> swap suffix <anonymous-intersection> ;
 
 : (class-and) ( first second -- class )
     {
@@ -158,10 +158,10 @@ C: <anonymous-complement> anonymous-complement
     } cond ;
 
 : left-anonymous-union-or ( first second -- class )
-    >r members>> r> add <anonymous-union> ;
+    >r members>> r> suffix <anonymous-union> ;
 
 : right-anonymous-union-or ( first second -- class )
-    members>> swap add <anonymous-union> ;
+    members>> swap suffix <anonymous-union> ;
 
 : (class-or) ( first second -- class )
     {
diff --git a/core/classes/classes.factor b/core/classes/classes.factor
index 435c7413a3..d6d1a72121 100755
--- a/core/classes/classes.factor
+++ b/core/classes/classes.factor
@@ -72,7 +72,7 @@ M: word reset-class drop ;
 
 ! update-map
 : class-uses ( class -- seq )
-    dup members swap superclass [ add ] when* ;
+    dup members swap superclass [ suffix ] when* ;
 
 : class-usages ( class -- assoc )
     [ update-map get at ] closure ;
diff --git a/core/classes/mixin/mixin.factor b/core/classes/mixin/mixin.factor
index eb6b3bd6e2..b771aa8920 100755
--- a/core/classes/mixin/mixin.factor
+++ b/core/classes/mixin/mixin.factor
@@ -35,7 +35,7 @@ TUPLE: check-mixin-class mixin ;
     swap redefine-mixin-class ; inline
 
 : add-mixin-instance ( class mixin -- )
-    [ 2drop ] [ [ add ] change-mixin-class ] if-mixin-member? ;
+    [ 2drop ] [ [ suffix ] change-mixin-class ] if-mixin-member? ;
 
 : remove-mixin-instance ( class mixin -- )
     [ [ swap remove ] change-mixin-class ] [ 2drop ] if-mixin-member? ;
diff --git a/core/classes/tuple/tuple.factor b/core/classes/tuple/tuple.factor
index a3d0238d1c..3cacef25a1 100755
--- a/core/classes/tuple/tuple.factor
+++ b/core/classes/tuple/tuple.factor
@@ -40,7 +40,7 @@ PRIVATE>
     [ drop ] [ no-tuple-class ] if ;
 
 : tuple>array ( tuple -- array )
-    prepare-tuple>array >r copy-tuple-slots r> layout-class add* ;
+    prepare-tuple>array >r copy-tuple-slots r> layout-class prefix ;
 
 : tuple-slots ( tuple -- array )
     prepare-tuple>array drop copy-tuple-slots ;
@@ -130,7 +130,7 @@ PRIVATE>
     ] with each ;
 
 : all-slot-names ( class -- slots )
-    superclasses [ slot-names ] map concat \ class add* ;
+    superclasses [ slot-names ] map concat \ class prefix ;
 
 : compute-slot-permutation ( class old-slot-names -- permutation )
     >r all-slot-names r> [ index ] curry map ;
diff --git a/core/combinators/combinators.factor b/core/combinators/combinators.factor
index 276e4cb184..f9ed219d7b 100755
--- a/core/combinators/combinators.factor
+++ b/core/combinators/combinators.factor
@@ -49,7 +49,7 @@ ERROR: no-case ;
 : with-datastack ( stack quot -- newstack )
     datastack >r
     >r >array set-datastack r> call
-    datastack r> swap add set-datastack 2nip ; inline
+    datastack r> swap suffix set-datastack 2nip ; inline
 
 : recursive-hashcode ( n obj quot -- code )
     pick 0 <= [ 3drop 0 ] [ rot 1- -rot call ] if ; inline
@@ -72,7 +72,7 @@ M: hashtable hashcode*
     reverse [ no-cond ] swap alist>quot ;
 
 : linear-case-quot ( default assoc -- quot )
-    [ >r [ dupd = ] curry r> \ drop add* ] assoc-map
+    [ >r [ dupd = ] curry r> \ drop prefix ] assoc-map
     alist>quot ;
 
 : (distribute-buckets) ( buckets pair keys -- )
diff --git a/core/cpu/ppc/intrinsics/intrinsics.factor b/core/cpu/ppc/intrinsics/intrinsics.factor
index 7aa78ce52e..07698eaa92 100755
--- a/core/cpu/ppc/intrinsics/intrinsics.factor
+++ b/core/cpu/ppc/intrinsics/intrinsics.factor
@@ -94,14 +94,14 @@ IN: cpu.ppc.intrinsics
 } define-intrinsics
 
 : fixnum-register-op ( op -- pair )
-    [ "out" operand "y" operand "x" operand ] swap add H{
+    [ "out" operand "y" operand "x" operand ] swap suffix H{
         { +input+ { { f "x" } { f "y" } } }
         { +scratch+ { { f "out" } } }
         { +output+ { "out" } }
     } 2array ;
 
 : fixnum-value-op ( op -- pair )
-    [ "out" operand "x" operand "y" operand ] swap add H{
+    [ "out" operand "x" operand "y" operand ] swap suffix H{
         { +input+ { { f "x" } { [ small-tagged? ] "y" } } }
         { +scratch+ { { f "out" } } }
         { +output+ { "out" } }
@@ -205,11 +205,11 @@ IN: cpu.ppc.intrinsics
 } define-intrinsic
 
 : fixnum-register-jump ( op -- pair )
-    [ "x" operand 0 "y" operand CMP ] swap add
+    [ "x" operand 0 "y" operand CMP ] swap suffix
     { { f "x" } { f "y" } } 2array ;
 
 : fixnum-value-jump ( op -- pair )
-    [ 0 "x" operand "y" operand CMPI ] swap add
+    [ 0 "x" operand "y" operand CMPI ] swap suffix
     { { f "x" } { [ small-tagged? ] "y" } } 2array ;
 
 : define-fixnum-jump ( word op -- )
@@ -336,7 +336,7 @@ IN: cpu.ppc.intrinsics
 } define-intrinsic
 
 : define-float-op ( word op -- )
-    [ "z" operand "x" operand "y" operand ] swap add H{
+    [ "z" operand "x" operand "y" operand ] swap suffix H{
         { +input+ { { float "x" } { float "y" } } }
         { +scratch+ { { float "z" } } }
         { +output+ { "z" } }
@@ -352,7 +352,7 @@ IN: cpu.ppc.intrinsics
 ] each
 
 : define-float-jump ( word op -- )
-    [ "x" operand 0 "y" operand FCMPU ] swap add
+    [ "x" operand 0 "y" operand FCMPU ] swap suffix
     { { float "x" } { float "y" } } define-if-intrinsic ;
 
 {
diff --git a/core/cpu/x86/assembler/assembler.factor b/core/cpu/x86/assembler/assembler.factor
index 796388ffe1..a3ab256ea1 100755
--- a/core/cpu/x86/assembler/assembler.factor
+++ b/core/cpu/x86/assembler/assembler.factor
@@ -230,7 +230,7 @@ UNION: operand register indirect ;
 
 : opcode-or ( opcode mask -- opcode' )
     swap dup array?
-    [ 1 cut* first rot bitor add ] [ bitor ] if ;
+    [ 1 cut* first rot bitor suffix ] [ bitor ] if ;
 
 : 1-operand ( op reg rex.w opcode -- )
     #! The 'reg' is not really a register, but a value for the
diff --git a/core/cpu/x86/intrinsics/intrinsics.factor b/core/cpu/x86/intrinsics/intrinsics.factor
index f5409a24f5..261ada025b 100755
--- a/core/cpu/x86/intrinsics/intrinsics.factor
+++ b/core/cpu/x86/intrinsics/intrinsics.factor
@@ -156,7 +156,7 @@ IN: cpu.x86.intrinsics
 
 ! Fixnums
 : fixnum-op ( op hash -- pair )
-    >r [ "x" operand "y" operand ] swap add r> 2array ;
+    >r [ "x" operand "y" operand ] swap suffix r> 2array ;
 
 : fixnum-value-op ( op -- pair )
     H{
@@ -251,7 +251,7 @@ IN: cpu.x86.intrinsics
 \ fixnum- \ SUB overflow-template
 
 : fixnum-jump ( op inputs -- pair )
-    >r [ "x" operand "y" operand CMP ] swap add r> 2array ;
+    >r [ "x" operand "y" operand CMP ] swap suffix r> 2array ;
 
 : fixnum-value-jump ( op -- pair )
     { { f "x" } { [ small-tagged? ] "y" } } fixnum-jump ;
diff --git a/core/cpu/x86/sse2/sse2.factor b/core/cpu/x86/sse2/sse2.factor
index 98e42fa7fe..9c477b4132 100755
--- a/core/cpu/x86/sse2/sse2.factor
+++ b/core/cpu/x86/sse2/sse2.factor
@@ -8,7 +8,7 @@ math.floats.private layouts quotations ;
 IN: cpu.x86.sse2
 
 : define-float-op ( word op -- )
-    [ "x" operand "y" operand ] swap add H{
+    [ "x" operand "y" operand ] swap suffix H{
         { +input+ { { float "x" } { float "y" } } }
         { +output+ { "x" } }
     } define-intrinsic ;
@@ -23,7 +23,7 @@ IN: cpu.x86.sse2
 ] each
 
 : define-float-jump ( word op -- )
-    [ "x" operand "y" operand UCOMISD ] swap add
+    [ "x" operand "y" operand UCOMISD ] swap suffix
     { { float "x" } { float "y" } } define-if-intrinsic ;
 
 {
diff --git a/core/generic/generic.factor b/core/generic/generic.factor
index 131b7e57c9..7dba7eb709 100755
--- a/core/generic/generic.factor
+++ b/core/generic/generic.factor
@@ -157,7 +157,7 @@ M: assoc update-methods ( assoc -- )
 
 M: generic subwords
     dup "methods" word-prop values
-    swap "default-method" word-prop add ;
+    swap "default-method" word-prop suffix ;
 
 M: generic forget-word
     dup subwords [ forget ] each (forget-word) ;
diff --git a/core/generic/standard/standard.factor b/core/generic/standard/standard.factor
index 3898150c3b..4ed883dad5 100755
--- a/core/generic/standard/standard.factor
+++ b/core/generic/standard/standard.factor
@@ -34,8 +34,8 @@ ERROR: no-method object generic ;
 : empty-method ( word -- quot )
     [
         picker % [ delegate dup ] %
-        unpicker over add ,
-        error-method \ drop add* , \ if ,
+        unpicker over suffix ,
+        error-method \ drop prefix , \ if ,
     ] [ ] make ;
 
 : class-predicates ( assoc -- assoc )
@@ -135,7 +135,7 @@ ERROR: no-method object generic ;
     ] if ;
 
 : standard-methods ( word -- alist )
-    dup methods swap default-method add*
+    dup methods swap default-method prefix
     [ 1quotation ] assoc-map ;
 
 M: standard-combination make-default-method
diff --git a/core/inference/backend/backend.factor b/core/inference/backend/backend.factor
index 2a2e6995eb..5ca9b1b2e7 100755
--- a/core/inference/backend/backend.factor
+++ b/core/inference/backend/backend.factor
@@ -92,7 +92,7 @@ M: wrapper apply-object
     r> recursive-state set ;
 
 : infer-quot-recursive ( quot word label -- )
-    recursive-state get -rot 2array add* infer-quot ;
+    recursive-state get -rot 2array prefix infer-quot ;
 
 : time-bomb ( error -- )
     [ throw ] curry recursive-state get infer-quot ;
@@ -109,7 +109,7 @@ TUPLE: recursive-quotation-error quot ;
         dup value-literal callable? [
             dup value-literal
             over value-recursion
-            rot f 2array add* infer-quot
+            rot f 2array prefix infer-quot
         ] [
             drop bad-call
         ] if
@@ -430,7 +430,7 @@ M: #call-label collect-recursion*
     [ [ swap collect-recursion* ] curry each-node ] { } make ;
 
 : join-values ( node -- )
-    collect-recursion [ node-in-d ] map meta-d get add
+    collect-recursion [ node-in-d ] map meta-d get suffix
     unify-lengths unify-stacks
     meta-d [ length tail* ] change ;
 
diff --git a/core/inference/class/class.factor b/core/inference/class/class.factor
index ed36ca4890..4aac98ce41 100755
--- a/core/inference/class/class.factor
+++ b/core/inference/class/class.factor
@@ -289,7 +289,7 @@ M: #label infer-classes-around ( #label -- )
     dup annotate-node
     dup infer-classes-before
     dup infer-children
-    dup collect-recursion over add
+    dup collect-recursion over suffix
     pick annotate-entry
     node-child (infer-classes) ;
 
diff --git a/core/inference/dataflow/dataflow.factor b/core/inference/dataflow/dataflow.factor
index 0b6cf04028..7fa2fbbcd3 100755
--- a/core/inference/dataflow/dataflow.factor
+++ b/core/inference/dataflow/dataflow.factor
@@ -205,7 +205,7 @@ UNION: #branch #if #dispatch ;
         2dup 2slip rot [
             2drop t
         ] [
-            >r dup node-children swap node-successor add r>
+            >r dup node-children swap node-successor suffix r>
             [ node-exists? ] curry contains?
         ] if
     ] [
diff --git a/core/inference/transforms/transforms.factor b/core/inference/transforms/transforms.factor
index 4d636c24f2..06c2a8f476 100755
--- a/core/inference/transforms/transforms.factor
+++ b/core/inference/transforms/transforms.factor
@@ -58,7 +58,7 @@ M: pair (bitfield-quot) ( spec -- quot )
     [ shift bitor ] append 2curry ;
 
 : bitfield-quot ( spec -- quot )
-    [ (bitfield-quot) ] map [ 0 ] add* concat ;
+    [ (bitfield-quot) ] map [ 0 ] prefix concat ;
 
 \ bitfield [ bitfield-quot ] 1 define-transform
 
diff --git a/core/io/encodings/encodings.factor b/core/io/encodings/encodings.factor
index 2ef26096e0..398fb6a068 100755
--- a/core/io/encodings/encodings.factor
+++ b/core/io/encodings/encodings.factor
@@ -59,7 +59,7 @@ M: tuple <decoder> f decoder construct-boa ;
     over decoder-cr [
         over cr-
         "\n" ?head [
-            over stream-read1 [ add ] when*
+            over stream-read1 [ suffix ] when*
         ] when
     ] when nip ;
 
diff --git a/core/io/files/files.factor b/core/io/files/files.factor
index 458a9145a6..099acb157e 100755
--- a/core/io/files/files.factor
+++ b/core/io/files/files.factor
@@ -267,6 +267,7 @@ M: object copy-file
 DEFER: copy-tree-into
 
 : copy-tree ( from to -- )
+    normalize-pathname
     over link-info type>>
     {
         { +symbolic-link+ [ copy-link ] }
diff --git a/core/math/intervals/intervals-tests.factor b/core/math/intervals/intervals-tests.factor
index f6317e7475..5204d7d45a 100755
--- a/core/math/intervals/intervals-tests.factor
+++ b/core/math/intervals/intervals-tests.factor
@@ -188,7 +188,7 @@ IN: math.intervals.tests
         { max interval-max }
     }
     "math.ratios.private" vocab [
-        { / interval/ } add
+        { / interval/ } suffix
     ] when
     random ;
 
diff --git a/core/optimizer/known-words/known-words.factor b/core/optimizer/known-words/known-words.factor
index aef48452de..108c715ef0 100755
--- a/core/optimizer/known-words/known-words.factor
+++ b/core/optimizer/known-words/known-words.factor
@@ -60,7 +60,7 @@ sequences.private combinators ;
     [ value-literal sequence? ] [ drop f ] if ;
 
 : member-quot ( seq -- newquot )
-    [ [ t ] ] { } map>assoc [ drop f ] add [ nip case ] curry ;
+    [ [ t ] ] { } map>assoc [ drop f ] suffix [ nip case ] curry ;
 
 : expand-member ( #call -- )
     dup node-in-d peek value-literal member-quot f splice-quot ;
diff --git a/core/optimizer/specializers/specializers.factor b/core/optimizer/specializers/specializers.factor
index 560a174289..cbdb1b9ec4 100755
--- a/core/optimizer/specializers/specializers.factor
+++ b/core/optimizer/specializers/specializers.factor
@@ -32,7 +32,7 @@ IN: optimizer.specializers
 
 : method-declaration ( method -- quot )
     dup "method-generic" word-prop dispatch# object <array>
-    swap "method-class" word-prop add* ;
+    swap "method-class" word-prop prefix ;
 
 : specialize-method ( quot method -- quot' )
     method-declaration [ declare ] curry prepend ;
diff --git a/core/parser/parser.factor b/core/parser/parser.factor
index 36e5decd05..58c68a3614 100755
--- a/core/parser/parser.factor
+++ b/core/parser/parser.factor
@@ -294,7 +294,7 @@ M: no-word-error summary
     scan {
         { ";" [ tuple f ] }
         { "<" [ scan-word ";" parse-tokens ] }
-        [ >r tuple ";" parse-tokens r> add* ]
+        [ >r tuple ";" parse-tokens r> prefix ]
     } case ;
 
 ERROR: staging-violation word ;
diff --git a/core/prettyprint/prettyprint-tests.factor b/core/prettyprint/prettyprint-tests.factor
index 35b30ac46f..27b63ec26f 100755
--- a/core/prettyprint/prettyprint-tests.factor
+++ b/core/prettyprint/prettyprint-tests.factor
@@ -192,7 +192,7 @@ unit-test
         "IN: prettyprint.tests"
         ": another-soft-break-layout ( node -- quot )"
         "    parse-error-file"
-        "    [ <reversed> \"hello world foo\" add ] [ ] make ;"
+        "    [ <reversed> \"hello world foo\" suffix ] [ ] make ;"
     } ;
 
 [ t ] [
diff --git a/core/quotations/quotations-tests.factor b/core/quotations/quotations-tests.factor
index a4c9a619b5..d311dfad71 100755
--- a/core/quotations/quotations-tests.factor
+++ b/core/quotations/quotations-tests.factor
@@ -10,8 +10,8 @@ IN: quotations.tests
 ] unit-test
 
 [ [ 1 2 3 4 ] ] [ [ 1 2 ] [ 3 4 ] append ] unit-test
-[ [ 1 2 3 ] ] [ [ 1 2 ] 3 add ] unit-test
-[ [ 3 1 2 ] ] [ [ 1 2 ] 3 add* ] unit-test
+[ [ 1 2 3 ] ] [ [ 1 2 ] 3 suffix ] unit-test
+[ [ 3 1 2 ] ] [ [ 1 2 ] 3 prefix ] unit-test
 
 [ [ "hi" ] ] [ "hi" 1quotation ] unit-test
 
diff --git a/core/sequences/sequences-docs.factor b/core/sequences/sequences-docs.factor
index 9e8dcd6559..f5e5bfcdb3 100755
--- a/core/sequences/sequences-docs.factor
+++ b/core/sequences/sequences-docs.factor
@@ -61,8 +61,8 @@ ARTICLE: "sequences-access" "Accessing sequence elements"
 
 ARTICLE: "sequences-add-remove" "Adding and removing sequence elements"
 "Adding elements:"
-{ $subsection add }
-{ $subsection add* }
+{ $subsection prefix }
+{ $subsection suffix }
 "Removing elements:"
 { $subsection remove }
 { $subsection seq-diff } ;
@@ -641,22 +641,22 @@ HELP: push-new
 }
 { $side-effects "seq" } ;
 
-{ push push-new add add* } related-words
+{ push push-new prefix suffix } related-words
 
-HELP: add
+HELP: suffix
 { $values { "seq" sequence } { "elt" object } { "newseq" sequence } }
 { $description "Outputs a new sequence obtained by adding " { $snippet "elt" } " at the end of " { $snippet "seq" } "." }
 { $errors "Throws an error if the type of " { $snippet "elt" } " is not permitted in sequences of the same class as " { $snippet "seq1" } "." }
 { $examples
-    { $example "USING: prettyprint sequences ;" "{ 1 2 3 } 4 add ." "{ 1 2 3 4 }" }
+    { $example "USING: prettyprint sequences ;" "{ 1 2 3 } 4 suffix ." "{ 1 2 3 4 }" }
 } ;
 
-HELP: add*
+HELP: prefix
 { $values { "seq" sequence } { "elt" object } { "newseq" sequence } }
 { $description "Outputs a new sequence obtained by adding " { $snippet "elt" } " at the beginning of " { $snippet "seq" } "." }
 { $errors "Throws an error if the type of " { $snippet "elt" } " is not permitted in sequences of the same class as " { $snippet "seq1" } "." } 
 { $examples
-{ $example "USING: prettyprint sequences ;" "{ 1 2 3 } 0 add* ." "{ 0 1 2 3 }" }
+{ $example "USING: prettyprint sequences ;" "{ 1 2 3 } 0 prefix ." "{ 0 1 2 3 }" }
 } ;
 
 HELP: seq-diff
@@ -940,7 +940,7 @@ HELP: unclip
 { $values { "seq" sequence } { "rest" sequence } { "first" object } }
 { $description "Outputs a tail sequence and the first element of " { $snippet "seq" } "; the tail sequence consists of all elements of " { $snippet "seq" } " but the first." }
 { $examples
-    { $example "USING: prettyprint sequences ;" "{ 1 2 3 } unclip add ." "{ 2 3 1 }" }
+    { $example "USING: prettyprint sequences ;" "{ 1 2 3 } unclip suffix ." "{ 2 3 1 }" }
 } ;
 
 HELP: unclip-slice
diff --git a/core/sequences/sequences.factor b/core/sequences/sequences.factor
index 1f2a6c5501..ca46066861 100755
--- a/core/sequences/sequences.factor
+++ b/core/sequences/sequences.factor
@@ -478,18 +478,18 @@ M: sequence <=>
 
 : push-new ( elt seq -- ) [ delete ] 2keep push ;
 
-: add ( seq elt -- newseq )
-    over >r over length 1+ r> [
-        [ >r over length r> set-nth-unsafe ] keep
-        [ 0 swap copy ] keep
-    ] new-like ;
-
-: add* ( seq elt -- newseq )
+: prefix ( seq elt -- newseq )
     over >r over length 1+ r> [
         [ 0 swap set-nth-unsafe ] keep
         [ 1 swap copy ] keep
     ] new-like ;
 
+: suffix ( seq elt -- newseq )
+    over >r over length 1+ r> [
+        [ >r over length r> set-nth-unsafe ] keep
+        [ 0 swap copy ] keep
+    ] new-like ;
+
 : seq-diff ( seq1 seq2 -- newseq )
     swap [ member? not ] curry subset ;
 
diff --git a/core/slots/slots.factor b/core/slots/slots.factor
index b674ec8c2a..e46e507b9d 100755
--- a/core/slots/slots.factor
+++ b/core/slots/slots.factor
@@ -14,7 +14,7 @@ C: <slot-spec> slot-spec
     >r create-method r> define ;
 
 : define-slot-word ( class slot word quot -- )
-    rot >fixnum add* define-typecheck ;
+    rot >fixnum prefix define-typecheck ;
 
 : reader-quot ( decl -- quot )
     [
diff --git a/core/splitting/splitting.factor b/core/splitting/splitting.factor
index 9be1d5fc64..260a08c044 100755
--- a/core/splitting/splitting.factor
+++ b/core/splitting/splitting.factor
@@ -76,5 +76,5 @@ INSTANCE: groups sequence
             1 head-slice* [
                 "\r" ?tail drop "\r" split
             ] map
-        ] keep peek "\r" split add concat
+        ] keep peek "\r" split suffix concat
     ] if ;
diff --git a/core/vocabs/loader/loader.factor b/core/vocabs/loader/loader.factor
index 57947eefb0..1489750154 100755
--- a/core/vocabs/loader/loader.factor
+++ b/core/vocabs/loader/loader.factor
@@ -20,7 +20,7 @@ V{
 
 : vocab-dir+ ( vocab str/f -- path )
     >r vocab-name "." split r>
-    [ >r dup peek r> append add ] when*
+    [ >r dup peek r> append suffix ] when*
     "/" join ;
 
 : vocab-dir? ( root name -- ? )
diff --git a/core/vocabs/vocabs.factor b/core/vocabs/vocabs.factor
index 886417b715..a6a5a014a7 100755
--- a/core/vocabs/vocabs.factor
+++ b/core/vocabs/vocabs.factor
@@ -82,7 +82,7 @@ SYMBOL: load-vocab-hook ! ( name -- )
 
 : child-vocab? ( prefix name -- ? )
     2dup = pick empty? or
-    [ 2drop t ] [ swap CHAR: . add head? ] if ;
+    [ 2drop t ] [ swap CHAR: . suffix head? ] if ;
 
 : child-vocabs ( vocab -- seq )
     vocab-name vocabs [ child-vocab? ] with subset ;
diff --git a/extra/benchmark/fasta/fasta.factor b/extra/benchmark/fasta/fasta.factor
index 30c3beb1ef..215b677e16 100755
--- a/extra/benchmark/fasta/fasta.factor
+++ b/extra/benchmark/fasta/fasta.factor
@@ -49,7 +49,7 @@ HINTS: random fixnum ;
 
 : make-cumulative ( freq -- chars floats )
     dup keys >byte-array
-    swap values >float-array unclip [ + ] accumulate swap add ;
+    swap values >float-array unclip [ + ] accumulate swap suffix ;
 
 :: select-random ( seed chars floats -- seed elt )
     floats seed random -rot
diff --git a/extra/cfdg/cfdg.factor b/extra/cfdg/cfdg.factor
index 8a1d93aceb..63fd55a550 100644
--- a/extra/cfdg/cfdg.factor
+++ b/extra/cfdg/cfdg.factor
@@ -32,7 +32,7 @@ VAR: color
 
 ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
-: hsva>rgba ( hsva -- rgba ) [ 3 head hsv>rgb ] [ peek ] bi add ;
+: hsva>rgba ( hsva -- rgba ) [ 3 head hsv>rgb ] [ peek ] bi suffix ;
 
 : gl-set-hsba ( hsva -- ) hsva>rgba gl-color ;
 
diff --git a/extra/cocoa/subclassing/subclassing.factor b/extra/cocoa/subclassing/subclassing.factor
index 42ddce1206..48f45f21c0 100755
--- a/extra/cocoa/subclassing/subclassing.factor
+++ b/extra/cocoa/subclassing/subclassing.factor
@@ -76,7 +76,7 @@ IN: cocoa.subclassing
     r> <method-list> class_addMethods ;
 
 : encode-types ( return types -- encoding )
-    swap add* [
+    swap prefix [
         alien>objc-types get at "0" append
     ] map concat ;
 
diff --git a/extra/color-picker/color-picker.factor b/extra/color-picker/color-picker.factor
index 647c83d667..0480235dfe 100755
--- a/extra/color-picker/color-picker.factor
+++ b/extra/color-picker/color-picker.factor
@@ -21,7 +21,7 @@ M: color-preview model-changed
     swap model-value over set-gadget-interior relayout-1 ;
 
 : <color-model> ( model -- model )
-    [ [ 256 /f ] map 1 add <solid> ] <filter> ;
+    [ [ 256 /f ] map 1 suffix <solid> ] <filter> ;
 
 : <color-sliders> ( -- model gadget )
     3 [ drop 0 0 0 255 <range> ] map
diff --git a/extra/delegate/delegate.factor b/extra/delegate/delegate.factor
index 7f24d6258f..eadd1a03e8 100755
--- a/extra/delegate/delegate.factor
+++ b/extra/delegate/delegate.factor
@@ -27,7 +27,7 @@ M: tuple-class group-words
     swap [ slot-spec-writer ] map append ;
 
 : define-consult-method ( word class quot -- )
-    pick add >r swap create-method r> define ;
+    pick suffix >r swap create-method r> define ;
 
 : define-consult ( class group quot -- )
     >r group-words swap r>
diff --git a/extra/editors/editors.factor b/extra/editors/editors.factor
index 85d58e7572..c442dfaa94 100755
--- a/extra/editors/editors.factor
+++ b/extra/editors/editors.factor
@@ -43,7 +43,7 @@ SYMBOL: edit-hook
 
 : fix ( word -- )
     "Fixing " write dup pprint " and all usages..." print nl
-    dup usage swap add* [
+    dup usage swap prefix [
         "Editing " write dup .
         "RETURN moves on to the next usage, C+d stops." print
         flush
diff --git a/extra/faq/faq.factor b/extra/faq/faq.factor
index c6d9cd04d2..1022a02d7e 100644
--- a/extra/faq/faq.factor
+++ b/extra/faq/faq.factor
@@ -69,7 +69,7 @@ C: <faq> faq
 
 : html>faq ( div -- faq )
     unclip swap { "h3" "ol" } [ tags-named ] with map
-    first2 >r f add* r> [ html>question-list ] 2map <faq> ;
+    first2 >r f prefix r> [ html>question-list ] 2map <faq> ;
 
 : header, ( faq -- )
     dup faq-header ,
diff --git a/extra/fry/fry.factor b/extra/fry/fry.factor
index 490ce992ab..d983bd2715 100755
--- a/extra/fry/fry.factor
+++ b/extra/fry/fry.factor
@@ -28,7 +28,7 @@ DEFER: (fry)
             ! to avoid confusion, remove if fry goes core
             { namespaces:, [ [ curry ] ((fry)) ] }
 
-            [ swap >r add r> (fry) ]
+            [ swap >r suffix r> (fry) ]
         } case
     ] if ;
 
diff --git a/extra/help/markup/markup.factor b/extra/help/markup/markup.factor
index f8d360fd0a..b963a19f29 100755
--- a/extra/help/markup/markup.factor
+++ b/extra/help/markup/markup.factor
@@ -234,7 +234,7 @@ M: string ($instance)
 
 : values-row ( seq -- seq )
     unclip \ $snippet swap ?word-name 2array
-    swap dup first word? [ \ $instance add* ] when 2array ;
+    swap dup first word? [ \ $instance prefix ] when 2array ;
 
 : $values ( element -- )
     "Inputs and outputs" $heading
diff --git a/extra/io/sockets/sockets.factor b/extra/io/sockets/sockets.factor
index 1dc7f4883d..e1cc36cd2e 100755
--- a/extra/io/sockets/sockets.factor
+++ b/extra/io/sockets/sockets.factor
@@ -6,7 +6,8 @@ IN: io.sockets
 
 TUPLE: local path ;
 
-C: <local> local
+: <local> ( path -- addrspec )
+    normalize-pathname local construct-boa ;
 
 TUPLE: inet4 host port ;
 
diff --git a/extra/io/unix/sockets/sockets.factor b/extra/io/unix/sockets/sockets.factor
index c7931c6f0c..69ce6a3069 100755
--- a/extra/io/unix/sockets/sockets.factor
+++ b/extra/io/unix/sockets/sockets.factor
@@ -7,7 +7,7 @@ USING: alien alien.c-types generic io kernel math namespaces
 io.nonblocking parser threads unix sequences
 byte-arrays io.sockets io.binary io.unix.backend
 io.streams.duplex io.sockets.impl math.parser continuations libc
-combinators io.backend ;
+combinators io.backend io.files ;
 IN: io.unix.sockets
 
 : pending-init-error ( port -- )
@@ -189,7 +189,7 @@ M: local protocol-family drop PF_UNIX ;
 M: local sockaddr-type drop "sockaddr-un" c-type ;
 
 M: local make-sockaddr
-    local-path normalize-pathname
+    local-path cwd prepend-path
     dup length 1 + max-un-path > [ "Path too long" throw ] when
     "sockaddr-un" <c-object>
     AF_UNIX over set-sockaddr-un-family
diff --git a/extra/koszul/koszul.factor b/extra/koszul/koszul.factor
index f286690d37..add37173b7 100755
--- a/extra/koszul/koszul.factor
+++ b/extra/koszul/koszul.factor
@@ -184,7 +184,7 @@ DEFER: (d)
     [ length ] keep [ (graded-ker/im-d) ] curry map ;
 
 : graded-betti ( generators -- seq )
-    basis graded graded-ker/im-d flip first2 1 head* 0 add* v- ;
+    basis graded graded-ker/im-d flip first2 1 head* 0 prefix v- ;
 
 ! Bi-graded for two-step complexes
 : (bigraded-ker/im-d) ( u-deg z-deg bigraded-basis -- null/rank )
@@ -203,7 +203,7 @@ DEFER: (d)
     [ basis graded ] bi@ tensor bigraded-ker/im-d
     [ [ [ first ] map ] map ] keep
     [ [ second ] map 2 head* { 0 0 } prepend ] map
-    1 tail dup first length 0 <array> add
+    1 tail dup first length 0 <array> suffix
     [ v- ] 2map ;
 
 ! Laplacian
diff --git a/extra/lazy-lists/lazy-lists.factor b/extra/lazy-lists/lazy-lists.factor
index 52cca64b2f..f642d8881c 100644
--- a/extra/lazy-lists/lazy-lists.factor
+++ b/extra/lazy-lists/lazy-lists.factor
@@ -365,7 +365,7 @@ M: lazy-concat nil? ( lazy-concat -- bool )
     drop nil
   ] [
     [ car ] keep cdr [ car lcartesian-product ] keep cdr list>array swap [
-      swap [ swap [ add ] lmap-with ] lmap-with lconcat
+      swap [ swap [ suffix ] lmap-with ] lmap-with lconcat
     ] reduce
   ] if ;
 
diff --git a/extra/locals/locals.factor b/extra/locals/locals.factor
index 5da0225be9..fe4bd65c14 100755
--- a/extra/locals/locals.factor
+++ b/extra/locals/locals.factor
@@ -108,7 +108,7 @@ UNION: special local quote local-word local-reader local-writer ;
 : point-free-end ( quot args -- newquot )
     over peek special?
     [ drop-locals >r >r peek r> localize r> append ]
-    [ drop-locals nip swap peek add ]
+    [ drop-locals nip swap peek suffix ]
     if ;
 
 : (point-free) ( quot args -- newquot )
@@ -130,9 +130,9 @@ GENERIC: free-vars ( form -- vars )
 
 : add-if-free ( vars object -- vars )
   {
-      { [ dup local-writer? ] [ "local-reader" word-prop add ] }
-      { [ dup lexical? ]      [ add ] }
-      { [ dup quote? ]        [ quote-local add ] }
+      { [ dup local-writer? ] [ "local-reader" word-prop suffix ] }
+      { [ dup lexical? ]      [ suffix ] }
+      { [ dup quote? ]        [ quote-local suffix ] }
       { [ t ]                 [ free-vars append ] }
   } cond ;
 
diff --git a/extra/logging/logging.factor b/extra/logging/logging.factor
index 42545500a5..664337c3d3 100755
--- a/extra/logging/logging.factor
+++ b/extra/logging/logging.factor
@@ -17,7 +17,7 @@ SYMBOL: CRITICAL
     { DEBUG NOTICE NOTICE WARNING ERROR CRITICAL } ;
 
 : send-to-log-server ( array string -- )
-    add* "log-server" get send ;
+    prefix "log-server" get send ;
 
 SYMBOL: log-service
 
diff --git a/extra/lsys/tortoise/graphics/graphics.factor b/extra/lsys/tortoise/graphics/graphics.factor
index d8429e7aaf..87536476ee 100644
--- a/extra/lsys/tortoise/graphics/graphics.factor
+++ b/extra/lsys/tortoise/graphics/graphics.factor
@@ -77,7 +77,7 @@ VAR: color-table
   { 0.25 0.25 0.25 } ! dark grey
   { 0.75 0.75 0.75 } ! medium grey
   { 1    1    1 }    ! white
-} [ 1 add ] map >color-table ;
+} [ 1 suffix ] map >color-table ;
 
 ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
diff --git a/extra/math/combinatorics/combinatorics.factor b/extra/math/combinatorics/combinatorics.factor
index 99a098ca09..487d9828ea 100644
--- a/extra/math/combinatorics/combinatorics.factor
+++ b/extra/math/combinatorics/combinatorics.factor
@@ -18,7 +18,7 @@ IN: math.combinatorics
     0 [ over 0 > ] [ 1+ [ /mod ] keep swap ] [ ] unfold reverse 2nip ;
 
 : (>permutation) ( seq n -- seq )
-    [ [ dupd >= [ 1+ ] when ] curry map ] keep add* ;
+    [ [ dupd >= [ 1+ ] when ] curry map ] keep prefix ;
 
 : >permutation ( factoradic -- permutation )
     reverse 1 cut [ (>permutation) ] each ;
diff --git a/extra/multi-methods/multi-methods.factor b/extra/multi-methods/multi-methods.factor
index ac62fb08f9..5ea19bc957 100755
--- a/extra/multi-methods/multi-methods.factor
+++ b/extra/multi-methods/multi-methods.factor
@@ -191,14 +191,14 @@ M: hook-combination generic-prologue
     [ delete-at ] with-methods ;
 
 : method>spec ( method -- spec )
-    dup method-classes swap method-generic add* ;
+    dup method-classes swap method-generic prefix ;
 
 : parse-method ( -- quot classes generic )
     parse-definition dup 2 tail over second rot first ;
 
 : METHOD:
     location
-    >r parse-method [ define-method ] 2keep add* r>
+    >r parse-method [ define-method ] 2keep prefix r>
     remember-definition ; parsing
 
 ! For compatibility
diff --git a/extra/opengl/gl/extensions/extensions.factor b/extra/opengl/gl/extensions/extensions.factor
index 01725ee9a9..fd9be4eb12 100644
--- a/extra/opengl/gl/extensions/extensions.factor
+++ b/extra/opengl/gl/extensions/extensions.factor
@@ -38,7 +38,7 @@ reset-gl-function-number-counter
     gl-function-calling-convention
     scan
     scan dup
-    scan drop "}" parse-tokens swap add*
+    scan drop "}" parse-tokens swap prefix
     gl-function-number
     [ gl-function-pointer ] 2curry swap
     ";" parse-tokens [ "()" subseq? not ] subset
diff --git a/extra/openssl/openssl-tests.factor b/extra/openssl/openssl-tests.factor
index c689f729d1..c85c0ee218 100755
--- a/extra/openssl/openssl-tests.factor
+++ b/extra/openssl/openssl-tests.factor
@@ -11,11 +11,12 @@ namespaces math math.parser openssl prettyprint sequences tools.test ;
 ]
 [ "Hello world from the openssl binding" >md5 ] unit-test
 
-[
-    B{ 63 113 237 255 181 5 152 241 136 181 43 95 160 105 44 87 49
-    82 115 0 }
-]
-[ "Hello world from the openssl binding" >sha1 ] unit-test
+! Not found on netbsd, windows -- why?
+! [
+    ! B{ 63 113 237 255 181 5 152 241 136 181 43 95 160 105 44 87 49
+    ! 82 115 0 }
+! ]
+! [ "Hello world from the openssl binding" >sha1 ] unit-test
 
 ! =========================================================
 ! Initialize context
diff --git a/extra/oracle/oracle.factor b/extra/oracle/oracle.factor
index d725de5994..a30ce64854 100644
--- a/extra/oracle/oracle.factor
+++ b/extra/oracle/oracle.factor
@@ -236,13 +236,13 @@ C: <connection> connection
 
 : fetch-each ( object -- object )
     fetch-statement [
-        buf get alien>char-string res get swap add res set
+        buf get alien>char-string res get swap suffix res set
         fetch-each
     ] [ ] if ;
 
 : run-query ( object -- object )
     execute-statement [
-        buf get alien>char-string res get swap add res set
+        buf get alien>char-string res get swap suffix res set
         fetch-each
     ] [ ] if ;
 
diff --git a/extra/parser-combinators/parser-combinators.factor b/extra/parser-combinators/parser-combinators.factor
index d6aacf9645..d8fccfb8f9 100755
--- a/extra/parser-combinators/parser-combinators.factor
+++ b/extra/parser-combinators/parser-combinators.factor
@@ -132,7 +132,7 @@ TUPLE: and-parser parsers ;
 
 : <&> ( parser1 parser2 -- parser )
     over and-parser? [
-        >r and-parser-parsers r> add
+        >r and-parser-parsers r> suffix
     ] [
         2array
     ] if and-parser construct-boa ;
@@ -239,11 +239,11 @@ M: some-parser parse ( input parser -- result )
 
 : <:&> ( parser1 parser2 -- result )
     #! Same as <&> except flatten the result.
-    <&> [ first2 add ] <@ ;
+    <&> [ first2 suffix ] <@ ;
 
 : <&:> ( parser1 parser2 -- result )
     #! Same as <&> except flatten the result.
-    <&> [ first2 swap add* ] <@ ;
+    <&> [ first2 swap prefix ] <@ ;
 
 : <:&:> ( parser1 parser2 -- result )
     #! Same as <&> except flatten the result.
diff --git a/extra/peg/peg.factor b/extra/peg/peg.factor
index 9e35c5b9be..3e0ce815f0 100755
--- a/extra/peg/peg.factor
+++ b/extra/peg/peg.factor
@@ -104,7 +104,7 @@ C: <head> peg-head
 :: (setup-lr) ( r l s -- )
   s head>> l head>> eq? [
     l head>> s (>>head)
-    l head>> [ s rule>> add ] change-involved-set drop
+    l head>> [ s rule>> suffix ] change-involved-set drop
     r l s next>> (setup-lr)
   ] unless ;
 
@@ -136,7 +136,7 @@ C: <head> peg-head
           h [ p heads get at ]
         |
     h [
-      m r h involved-set>> h rule>> add member? not and [
+      m r h involved-set>> h rule>> suffix member? not and [
         fail p <memo-entry>
       ] [
         r h eval-set>> member? [
diff --git a/extra/project-euler/043/043.factor b/extra/project-euler/043/043.factor
index ffe3a4bca1..cf09277f31 100644
--- a/extra/project-euler/043/043.factor
+++ b/extra/project-euler/043/043.factor
@@ -76,10 +76,10 @@ PRIVATE>
     dup first 2 tail* swap second 2 head = ;
 
 : clean ( seq -- seq )
-    [ unclip 1 head add* concat ] map [ all-unique? ] subset ;
+    [ unclip 1 head prefix concat ] map [ all-unique? ] subset ;
 
 : add-missing-digit ( seq -- seq )
-    dup natural-sort 10 seq-diff first add* ;
+    dup natural-sort 10 seq-diff first prefix ;
 
 : interesting-pandigitals ( -- seq )
     17 candidates { 13 11 7 5 3 2 } [
diff --git a/extra/project-euler/common/common.factor b/extra/project-euler/common/common.factor
index 087b216b3a..5829f66c01 100644
--- a/extra/project-euler/common/common.factor
+++ b/extra/project-euler/common/common.factor
@@ -72,7 +72,7 @@ PRIVATE>
 
 : max-path ( triangle -- n )
     dup length 1 > [
-        2 cut* first2 max-children [ + ] 2map add max-path
+        2 cut* first2 max-children [ + ] 2map suffix max-path
     ] [
         first first
     ] if ;
@@ -95,7 +95,7 @@ PRIVATE>
 ! Not strictly needed, but it is nice to be able to dump the triangle after the
 ! propagation
 : propagate-all ( triangle -- newtriangle )
-    reverse [ first dup ] keep 1 tail [ propagate dup ] map nip reverse swap add ;
+    reverse [ first dup ] keep 1 tail [ propagate dup ] map nip reverse swap suffix ;
 
 : sum-divisors ( n -- sum )
     dup 4 < [ { 0 1 3 4 } nth ] [ (sum-divisors) ] if ;
diff --git a/extra/qualified/qualified.factor b/extra/qualified/qualified.factor
index b4eb4558fa..69e4c09b6e 100644
--- a/extra/qualified/qualified.factor
+++ b/extra/qualified/qualified.factor
@@ -4,7 +4,7 @@ IN: qualified
 
 : define-qualified ( vocab-name -- )
     dup require
-    dup vocab-words swap CHAR: : add
+    dup vocab-words swap CHAR: : suffix
     [ -rot >r append r> ] curry assoc-map
     use get push ;
 
diff --git a/extra/regexp/regexp.factor b/extra/regexp/regexp.factor
index fa36a7c6f8..b0cd61bd8f 100755
--- a/extra/regexp/regexp.factor
+++ b/extra/regexp/regexp.factor
@@ -21,7 +21,7 @@ SYMBOL: ignore-case?
     if 2curry ;
 
 : or-predicates ( quots -- quot )
-    [ \ dup add* ] map [ [ t ] ] f short-circuit \ nip add ;
+    [ \ dup prefix ] map [ [ t ] ] f short-circuit \ nip suffix ;
 
 : <@literal [ nip ] curry <@ ;
 
diff --git a/extra/regexp2/regexp2.factor b/extra/regexp2/regexp2.factor
index 1f2bbde171..8c26d880f1 100644
--- a/extra/regexp2/regexp2.factor
+++ b/extra/regexp2/regexp2.factor
@@ -21,7 +21,7 @@ SYMBOL: ignore-case?
     if 2curry ;
     
 : or-predicates ( quots -- quot )
-    [ \ dup add* ] map [ [ t ] ] f short-circuit \ nip add ;
+    [ \ dup prefix ] map [ [ t ] ] f short-circuit \ nip suffix ;
 
 : literal-action [ nip ] curry action ;
 
diff --git a/extra/sequences/deep/deep-tests.factor b/extra/sequences/deep/deep-tests.factor
index 541570f3f9..9629d569cb 100755
--- a/extra/sequences/deep/deep-tests.factor
+++ b/extra/sequences/deep/deep-tests.factor
@@ -11,7 +11,7 @@ IN: sequences.deep.tests
 [ { { "foo" } "bar" } t ] [ { { "foo" } "bar" } [ array? ] deep-find* ] unit-test
 
 : change-something ( seq -- newseq )
-    dup array? [ "hi" add ] [ "hello" append ] if ;
+    dup array? [ "hi" suffix ] [ "hello" append ] if ;
 
 [ { { "heyhello" "hihello" } "hihello" } ]
 [ "hey" 1array 1array [ change-something ] deep-map ] unit-test
diff --git a/extra/sequences/lib/lib.factor b/extra/sequences/lib/lib.factor
index 0b93552e76..d246b16b8d 100755
--- a/extra/sequences/lib/lib.factor
+++ b/extra/sequences/lib/lib.factor
@@ -94,7 +94,7 @@ MACRO: firstn ( n -- )
 
 : monotonic-split ( seq quot -- newseq )
     [
-        >r dup unclip add r>
+        >r dup unclip suffix r>
         v, [ pick ,, call [ v, ] unless ] curry 2each ,v
     ] { } make ;
 
diff --git a/extra/springies/springies.factor b/extra/springies/springies.factor
index 3a1af786e2..cd6e1a7cfb 100644
--- a/extra/springies/springies.factor
+++ b/extra/springies/springies.factor
@@ -235,7 +235,7 @@ C: <spring> spring
   6 nrot 6 nrot 2array
   5 nrot 5 nrot 2array
   0 0 2array <node>
-  nodes> swap add >nodes ;
+  nodes> swap suffix >nodes ;
 
 : spng ( id id-a id-b k damp rest-length -- )
   6 nrot drop
@@ -243,4 +243,4 @@ C: <spring> spring
   5 nrot node-id
   5 nrot node-id
   <spring>
-  springs> swap add >springs ;
+  springs> swap suffix >springs ;
diff --git a/extra/state-machine/state-machine.factor b/extra/state-machine/state-machine.factor
index cd3cfc6324..489b7aaeb4 100755
--- a/extra/state-machine/state-machine.factor
+++ b/extra/state-machine/state-machine.factor
@@ -6,7 +6,7 @@ IN: state-machine
     ! STATES: set-name state1 state2 ... ;
     ";" parse-tokens
     [ length ] keep
-    unclip add
+    unclip suffix
     [ create-in swap 1quotation define ] 2each ; parsing
 
 TUPLE: state place data ;
diff --git a/extra/tetris/board/board.factor b/extra/tetris/board/board.factor
index 13850f6bd7..93bbebf34f 100644
--- a/extra/tetris/board/board.factor
+++ b/extra/tetris/board/board.factor
@@ -37,7 +37,7 @@ TUPLE: board width height rows ;
 
 : add-row ( board -- )
     dup board-rows over board-width f <array>
-    add* swap set-board-rows ;
+    prefix swap set-board-rows ;
 
 : top-up-rows ( board -- )
     dup board-height over board-rows length = [
diff --git a/extra/tools/deploy/backend/backend.factor b/extra/tools/deploy/backend/backend.factor
index b019326ed5..395c4ff924 100755
--- a/extra/tools/deploy/backend/backend.factor
+++ b/extra/tools/deploy/backend/backend.factor
@@ -46,7 +46,7 @@ IN: tools.deploy.backend
 
 : staging-image-name ( profile -- name )
     "staging."
-    swap strip-word-names? [ "strip" add ] when
+    swap strip-word-names? [ "strip" suffix ] when
     "-" join ".image" 3append temp-file ;
 
 DEFER: ?make-staging-image
@@ -75,7 +75,7 @@ DEFER: ?make-staging-image
     ] { } make ;
 
 : run-factor ( vm flags -- )
-    swap add* dup . run-with-output ; inline
+    swap prefix dup . run-with-output ; inline
 
 : make-staging-image ( profile -- )
     vm swap staging-command-line run-factor ;
diff --git a/extra/tools/vocabs/vocabs.factor b/extra/tools/vocabs/vocabs.factor
index d7610c21c8..2f941ad2ce 100755
--- a/extra/tools/vocabs/vocabs.factor
+++ b/extra/tools/vocabs/vocabs.factor
@@ -230,7 +230,7 @@ MEMO: all-vocabs-seq ( -- seq )
     try-everything load-failures. ;
 
 : unrooted-child-vocabs ( prefix -- seq )
-    dup empty? [ CHAR: . add ] unless
+    dup empty? [ CHAR: . suffix ] unless
     vocabs
     [ find-vocab-root not ] subset
     [
@@ -242,7 +242,7 @@ MEMO: all-vocabs-seq ( -- seq )
     vocab-roots get [
         dup pick (all-child-vocabs) [ >vocab-link ] map
     ] { } map>assoc
-    swap unrooted-child-vocabs f swap 2array add ;
+    swap unrooted-child-vocabs f swap 2array suffix ;
 
 : all-child-vocabs-seq ( prefix -- assoc )
     vocab-roots get swap [
diff --git a/extra/tools/walker/walker.factor b/extra/tools/walker/walker.factor
index 2aed793a59..d548c0a4f5 100755
--- a/extra/tools/walker/walker.factor
+++ b/extra/tools/walker/walker.factor
@@ -49,10 +49,10 @@ DEFER: start-walker-thread
 \ break t "break?" set-word-prop
 
 : walk ( quot -- quot' )
-    \ break add* [ break rethrow ] recover ;
+    \ break prefix [ break rethrow ] recover ;
 
 : add-breakpoint ( quot -- quot' )
-    dup [ break ] head? [ \ break add* ] unless ;
+    dup [ break ] head? [ \ break prefix ] unless ;
 
 : (step-into-quot) ( quot -- ) add-breakpoint call ;
 
@@ -114,7 +114,7 @@ SYMBOL: +stopped+
     ] change-frame ;
 
 : step-out-msg ( continuation -- continuation' )
-    [ nip \ break add ] change-frame ;
+    [ nip \ break suffix ] change-frame ;
 
 {
     { call [ (step-into-quot) ] }
diff --git a/extra/ui/commands/commands-docs.factor b/extra/ui/commands/commands-docs.factor
index 789d9b9e6a..ed524148e3 100644
--- a/extra/ui/commands/commands-docs.factor
+++ b/extra/ui/commands/commands-docs.factor
@@ -14,7 +14,7 @@ IN: ui.commands
 : command-map. ( command-map -- )
     [ command-map-row ] map
     { "Shortcut" "Command" "Word" "Notes" }
-    [ \ $strong swap ] { } map>assoc add*
+    [ \ $strong swap ] { } map>assoc prefix
     $table ;
 
 : $command-map ( element -- )
diff --git a/extra/ui/gadgets/grid-lines/grid-lines.factor b/extra/ui/gadgets/grid-lines/grid-lines.factor
index fce88c0ebb..533116824b 100755
--- a/extra/ui/gadgets/grid-lines/grid-lines.factor
+++ b/extra/ui/gadgets/grid-lines/grid-lines.factor
@@ -18,7 +18,7 @@ SYMBOL: grid-dim
     grid-dim get spin set-axis ;
 
 : draw-grid-lines ( gaps orientation -- )
-    grid get rot grid-positions grid get rect-dim add [
+    grid get rot grid-positions grid get rect-dim suffix [
         grid-line-from/to gl-line
     ] with each ;
 
diff --git a/extra/ui/gadgets/panes/panes.factor b/extra/ui/gadgets/panes/panes.factor
index 52c5ca8a02..91b7f0f225 100755
--- a/extra/ui/gadgets/panes/panes.factor
+++ b/extra/ui/gadgets/panes/panes.factor
@@ -352,7 +352,7 @@ M: f sloppy-pick-up*
 
 : sloppy-pick-up ( loc gadget -- path )
     2dup sloppy-pick-up* dup
-    [ [ wet-and-sloppy sloppy-pick-up ] keep add* ]
+    [ [ wet-and-sloppy sloppy-pick-up ] keep prefix ]
     [ 3drop { } ]
     if ;
 
diff --git a/extra/ui/gadgets/slate/slate.factor b/extra/ui/gadgets/slate/slate.factor
index 5ea1ec20fa..ab2abeec5b 100644
--- a/extra/ui/gadgets/slate/slate.factor
+++ b/extra/ui/gadgets/slate/slate.factor
@@ -3,7 +3,11 @@ USING: kernel namespaces opengl ui.render ui.gadgets ;
 
 IN: ui.gadgets.slate
 
-TUPLE: slate action dim graft ungraft ;
+TUPLE: slate action dim graft ungraft
+       button-down
+       button-up
+       key-down
+       key-up ;
 
 : <slate> ( action -- slate )
   slate construct-gadget
@@ -19,4 +23,100 @@ M: slate draw-gadget* ( slate -- )
 
 M: slate graft* ( slate -- ) slate-graft call ;
 
-M: slate ungraft* ( slate -- ) slate-ungraft call ;
\ No newline at end of file
+M: slate ungraft* ( slate -- ) slate-ungraft call ;
+
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+SYMBOL: key-pressed-value
+
+: key-pressed? ( -- ? ) key-pressed-value get ;
+
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+SYMBOL: mouse-pressed-value
+
+: mouse-pressed? ( -- ? ) mouse-pressed-value get ;
+
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+SYMBOL: key-value
+
+: key ( -- key ) key-value get ;
+
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+SYMBOL: button-value
+
+: button ( -- val ) button-value get ;
+
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+USING: combinators ui.gestures accessors ;
+
+! M: slate handle-gesture* ( gadget gesture delegate -- ? )
+!    drop nip
+!    {
+!      {
+!        [ dup key-down? ]
+!        [
+       
+!          key-down-sym key-value set
+!          key-pressed-value on
+!          t
+!        ]
+!      }
+!      { [ dup key-up?   ] [ drop key-pressed-value off t ] }
+!      {
+!        [ dup button-down? ]
+!        [
+!          button-down-# mouse-button-value set
+!          mouse-pressed-value on
+!          t
+!        ]
+!      }
+!      { [ dup button-up? ] [ drop mouse-pressed-value off t ] }
+!      { [ t             ] [ drop                       t ] }
+!    }
+!    cond ;
+
+M: slate handle-gesture* ( gadget gesture delegate -- ? )
+   rot drop swap         ! delegate gesture
+   {
+     {
+       [ dup key-down? ]
+       [
+         key-down-sym key-value set
+         key-pressed-value on
+         key-down>> dup [ call ] [ drop ] if
+         t
+       ]
+     }
+     {
+       [ dup key-up?   ]
+       [
+         key-pressed-value off
+         drop
+         key-up>> dup [ call ] [ drop ] if
+         t
+       ] }
+     {
+       [ dup button-down? ]
+       [
+         button-down-# button-value set
+         mouse-pressed-value on
+         button-down>> dup [ call ] [ drop ] if
+         t
+       ]
+     }
+     {
+       [ dup button-up? ]
+       [
+         mouse-pressed-value off
+         drop
+         button-up>> dup [ call ] [ drop ] if
+         t
+       ]
+     }
+     { [ t ] [ 2drop t ] }
+   }
+   cond ;
\ No newline at end of file
diff --git a/extra/unix/process/process.factor b/extra/unix/process/process.factor
index fc8103b656..ba02f15c7a 100755
--- a/extra/unix/process/process.factor
+++ b/extra/unix/process/process.factor
@@ -9,7 +9,7 @@ IN: unix.process
 ! io.launcher instead.
 
 : >argv ( seq -- alien )
-    [ malloc-char-string ] map f add >c-void*-array ;
+    [ malloc-char-string ] map f suffix >c-void*-array ;
 
 : exec ( pathname argv -- int )
     [ malloc-char-string ] [ >argv ] bi* execv ;
diff --git a/extra/windows/com/syntax/syntax.factor b/extra/windows/com/syntax/syntax.factor
index 238ff18c39..acd3848f10 100755
--- a/extra/windows/com/syntax/syntax.factor
+++ b/extra/windows/com/syntax/syntax.factor
@@ -40,7 +40,7 @@ unless
 : (parse-com-function) ( tokens -- definition )
     [ second ]
     [ first ]
-    [ 3 tail 2 group [ first ] map "void*" add* ]
+    [ 3 tail 2 group [ first ] map "void*" prefix ]
     tri
     <com-function-definition> ;
 
diff --git a/extra/xmode/rules/rules.factor b/extra/xmode/rules/rules.factor
index 28237a7b2c..8c74d61656 100755
--- a/extra/xmode/rules/rules.factor
+++ b/extra/xmode/rules/rules.factor
@@ -113,7 +113,7 @@ M: regexp text-hash-char drop f ;
 : rule-chars* ( rule -- string )
     dup rule-chars
     swap rule-start matcher-text
-    text-hash-char [ add ] when* ;
+    text-hash-char [ suffix ] when* ;
 
 : add-rule ( rule ruleset -- )
     >r dup rule-chars* >upper swap
diff --git a/extra/ldap/authors.txt b/unmaintained/ldap/authors.txt
similarity index 100%
rename from extra/ldap/authors.txt
rename to unmaintained/ldap/authors.txt
diff --git a/extra/ldap/conf/addentry.ldif b/unmaintained/ldap/conf/addentry.ldif
similarity index 100%
rename from extra/ldap/conf/addentry.ldif
rename to unmaintained/ldap/conf/addentry.ldif
diff --git a/extra/ldap/conf/createdit.ldif b/unmaintained/ldap/conf/createdit.ldif
similarity index 100%
rename from extra/ldap/conf/createdit.ldif
rename to unmaintained/ldap/conf/createdit.ldif
diff --git a/extra/ldap/conf/slapd.conf b/unmaintained/ldap/conf/slapd.conf
similarity index 100%
rename from extra/ldap/conf/slapd.conf
rename to unmaintained/ldap/conf/slapd.conf
diff --git a/extra/ldap/ldap-tests.factor b/unmaintained/ldap/ldap-tests.factor
similarity index 100%
rename from extra/ldap/ldap-tests.factor
rename to unmaintained/ldap/ldap-tests.factor
diff --git a/extra/ldap/ldap.factor b/unmaintained/ldap/ldap.factor
similarity index 100%
rename from extra/ldap/ldap.factor
rename to unmaintained/ldap/ldap.factor
diff --git a/extra/ldap/libldap/authors.txt b/unmaintained/ldap/libldap/authors.txt
similarity index 100%
rename from extra/ldap/libldap/authors.txt
rename to unmaintained/ldap/libldap/authors.txt
diff --git a/extra/ldap/libldap/libldap.factor b/unmaintained/ldap/libldap/libldap.factor
similarity index 100%
rename from extra/ldap/libldap/libldap.factor
rename to unmaintained/ldap/libldap/libldap.factor
diff --git a/extra/ldap/libldap/tags.txt b/unmaintained/ldap/libldap/tags.txt
similarity index 100%
rename from extra/ldap/libldap/tags.txt
rename to unmaintained/ldap/libldap/tags.txt
diff --git a/extra/ldap/summary.txt b/unmaintained/ldap/summary.txt
similarity index 100%
rename from extra/ldap/summary.txt
rename to unmaintained/ldap/summary.txt
diff --git a/extra/ldap/tags.txt b/unmaintained/ldap/tags.txt
similarity index 100%
rename from extra/ldap/tags.txt
rename to unmaintained/ldap/tags.txt