28 files changed, 86 insertions, 87 deletions

diff --git a/src/boot/strap/tokens.clisp b/src/boot/strap/tokens.clisp
index c288dd05..ba6fe1e6 100644
--- a/src/boot/strap/tokens.clisp
+++ b/src/boot/strap/tokens.clisp
@@ -201,7 +201,6 @@
 (EVAL-WHEN (:EXECUTE :LOAD-TOPLEVEL)
   (LET ((|bfVar#9| (LIST (LIST '|and| 'AND) (LIST '|append| 'APPEND)
                          (LIST '|apply| 'APPLY) (LIST '|atom| 'ATOM)
-                         (LIST '|car| 'CAR) (LIST '|cdr| 'CDR)
                          (LIST '|cons?| 'CONSP) (LIST '|copy| 'COPY)
                          (LIST '|croak| 'CROAK) (LIST '|drop| 'DROP)
                          (LIST '|exit| 'EXIT) (LIST '|false| 'NIL)
@@ -215,7 +214,7 @@
                          (LIST '|not| 'NOT)
                          (LIST '|nreverse| 'NREVERSE)
                          (LIST '|null| 'NULL) (LIST '|or| 'OR)
-                         (LIST '|otherwise| 'T) (LIST 'PAIRP 'CONSP)
+                         (LIST '|otherwise| 'T)
                          (LIST '|removeDuplicates| 'REMDUP)
                          (LIST '|rest| 'CDR) (LIST '|reverse| 'REVERSE)
                          (LIST '|second| 'CADR)
diff --git a/src/interp/as.boot b/src/interp/as.boot
index beca8669..1473192c 100644
--- a/src/interp/as.boot
+++ b/src/interp/as.boot
@@ -72,7 +72,7 @@ astran asyFile ==
   $mmAlist : local :=
     [[con,:asyConstructorModemap con] for con in conlist]
   $docAlist : local :=
-    [[con,:REMDUP asyDocumentation con] for con in conlist]
+    [[con,:removeDuplicates asyDocumentation con] for con in conlist]
   $parentsHash : local := MAKE_-HASH_-TABLE()
 --$childrenHash: local := MAKE_-HASH_-TABLE()
   for con in conlist repeat
@@ -151,7 +151,7 @@ asMakeAlist con ==
   opAlist := SUBLISLIS($FormalMapVariableList,KDR form,CDDR alists)
   ancestorAlist:= SUBLISLIS($FormalMapVariableList,KDR form,first alists)
   catAttrs := [[x,:true] for x in getAttributesFromCATEGORY $constructorCategory]
-  attributeAlist := REMDUP [:second alists,:catAttrs]
+  attributeAlist := removeDuplicates [:second alists,:catAttrs]
   documentation :=
     SUBLISLIS($FormalMapVariableList,KDR form,LASSOC(con,$docAlist))
   filestring := strconc(PATHNAME_-NAME STRINGIMAGE filename,'".as")
@@ -375,7 +375,7 @@ asyMakeOperationAlist(con,proplist, key) ==
       pred => [sig,nil,asyPredTran pred]
       [sig]
     HPUT(ht,id,[entry,:HGET(ht,id)])
-  opalist := [[op,:REMDUP HGET(ht,op)] for op in HKEYS ht]
+  opalist := [[op,:removeDuplicates HGET(ht,op)] for op in HKEYS ht]
   --HPUT($opHash,con,[ancestorAlist,attributeAlist,:opalist])
   HPUT($opHash,con,[ancestorAlist,nil,:opalist])
 
diff --git a/src/interp/br-con.boot b/src/interp/br-con.boot
index 32e0c9df..eb85c055 100644
--- a/src/interp/br-con.boot
+++ b/src/interp/br-con.boot
@@ -959,7 +959,7 @@ conPageChoose conname ==
   dbShowCons1(nil,cAlist,'names)
 
 dbShowCons1(htPage,cAlist,key) ==
-  conlist := REMDUP [item for x in cAlist | pred] where
+  conlist := removeDuplicates [item for x in cAlist | pred] where
     pred() ==
       item := first x
       $exposedOnlyIfTrue => isExposedConstructor opOf item
@@ -991,12 +991,12 @@ dbShowCons1(htPage,cAlist,key) ==
       flist :=
         [y for con in conlist |
           y := (fn := getConstructorSourceFileFromDB con)]
-      bcUnixTable(listSort(function GLESSEQP,REMDUP flist))
+      bcUnixTable(listSort(function GLESSEQP,removeDuplicates flist))
     key = 'documentation   => dbShowConsDoc(page,conlist)
     if $exposedOnlyIfTrue then
       cAlist := [x for x in cAlist | isExposedConstructor opOf first x]
     key = 'conditions =>     dbShowConditions(page,cAlist,kind)
-    key = 'parameters => bcConTable REMDUP ASSOCLEFT cAlist
+    key = 'parameters => bcConTable removeDuplicates ASSOCLEFT cAlist
     key = 'kinds => dbShowConsKinds cAlist
   dbConsExposureMessage()
   htSayStandard("\endscroll ")
@@ -1033,7 +1033,7 @@ dbConsExposureMessage() ==
 --    htSay '" "
 --    htSay (c > 1 => pluralize kind; kind)
 --    htSay '":}"
---    bcConTable REMDUP [CAAR y for y in x]
+--    bcConTable removeDuplicates [CAAR y for y in x]
 --  htEndMenu(2)
 --  htSay '"\indent{0}"
 
@@ -1046,7 +1046,7 @@ dbShowConsDoc(htPage,conlist) ==
   cAlist := htpProperty(htPage,'cAlist)
   --the following code is necessary to skip over duplicates on cAlist
   index := 0
-  for x in REMDUP conlist repeat
+  for x in removeDuplicates conlist repeat
   -- for x in conlist repeat
     dbShowConsDoc1(htPage,getConstructorForm x,i) where i() ==
       while CAAAR cAlist ~= x repeat
@@ -1102,7 +1102,7 @@ dbConsHeading(htPage,conlist,view,kind) ==
   place :=
     htPage => htpProperty(htPage,'domname) or htpProperty(htPage,'conform)
     nil
-  count := #(REMDUP conlist)
+  count := #(removeDuplicates conlist)
   -- count := #conlist
   thing = '"benefactor" =>
     [STRINGIMAGE count,'" Constructors Used by ",form2HtString(place,nil,true)]
diff --git a/src/interp/br-op1.boot b/src/interp/br-op1.boot
index 943b7588..b75ac711 100644
--- a/src/interp/br-op1.boot
+++ b/src/interp/br-op1.boot
@@ -935,7 +935,7 @@ getDomainOpTable(dom,fromIfTrue,:options) ==
   conname := first domname
   abb := getConstructorAbbreviation conname
   opAlist := getOperationAlistFromLisplib conname
-  "append"/[REMDUP [[op1,:fn] for [sig,slot,pred,key,:.] in u
+  "append"/[removeDuplicates [[op1,:fn] for [sig,slot,pred,key,:.] in u
               | key ~= 'Subsumed and ((null ops and (op1 := op)) or (op1 := memq(op,ops)))]
                  for [op,:u] in opAlist] where
     memq(op,ops) ==   --dirty trick to get 0 and 1 instead of Zero and One
diff --git a/src/interp/br-op2.boot b/src/interp/br-op2.boot
index 61e76d98..de06e99a 100644
--- a/src/interp/br-op2.boot
+++ b/src/interp/br-op2.boot
@@ -281,7 +281,7 @@ whoUsesOperation(htPage,which,key) ==  --see dbPresentOps
     htSay('"Users of {\em ",ops,'": ")
     bcConform ['Mapping,:sublisFormal(conargs,sig)]
     htSay('"}\newline")
-    bcConTable listSort(function GLESSEQP,REMDUP namelist)
+    bcConTable listSort(function GLESSEQP,removeDuplicates namelist)
   noOneUses := SETDIFFERENCE(opl,usedList)
   if #noOneUses > 0 then
     htSay('"No constructor uses the ")
@@ -298,8 +298,8 @@ whoUsesOperation(htPage,which,key) ==  --see dbPresentOps
   htShowPageNoScroll()
 
 whoUses(opSigList,conform) ==
-  opList := REMDUP ASSOCLEFT opSigList
-  numOfArgsList := REMDUP [-1 + #sig for [.,:sig] in opSigList]
+  opList := removeDuplicates ASSOCLEFT opSigList
+  numOfArgsList := removeDuplicates [-1 + #sig for [.,:sig] in opSigList]
   acc  := nil
   $conname : local := first conform
   domList := getUsersOfConstructor $conname
diff --git a/src/interp/br-saturn.boot b/src/interp/br-saturn.boot
index 6dd77c9e..7a968bfb 100644
--- a/src/interp/br-saturn.boot
+++ b/src/interp/br-saturn.boot
@@ -905,7 +905,7 @@ dbShowConsKinds cAlist ==
     htSay(c > 1 => pluralize kind; kind)
     htSay '":}"
     htSaySaturn '"\\"
-    bcConTable REMDUP [CAAR y for y in x]
+    bcConTable removeDuplicates [CAAR y for y in x]
   htEndMenu 'description
   htSayStandard '"\indent{0}"
 
diff --git a/src/interp/br-util.boot b/src/interp/br-util.boot
index 0003cf3c..6f926ab6 100644
--- a/src/interp/br-util.boot
+++ b/src/interp/br-util.boot
@@ -388,7 +388,7 @@ bcOpTable(u,fn) ==
 
 bcNameConTable u ==
   $bcMultipleNames: local := (#u ~= 1)
-  bcConTable REMDUP u
+  bcConTable removeDuplicates u
   -- bcConTable u
 
 bcConTable u ==
@@ -406,7 +406,7 @@ bcConTable u ==
 bcAbbTable u ==
   htBeginTable()
   firstTime := true
-  for x in REMDUP u repeat        --allow x to be NIL meaning "no abbreviation"
+  for x in removeDuplicates u repeat        --allow x to be NIL meaning "no abbreviation"
   -- for x in u repeat    --allow x to be NIL meaning "no abbreviation"
     if firstTime then firstTime := false
     else htSaySaturn '"&"
diff --git a/src/interp/c-doc.boot b/src/interp/c-doc.boot
index 2ef2bca1..535c5e31 100644
--- a/src/interp/c-doc.boot
+++ b/src/interp/c-doc.boot
@@ -181,7 +181,7 @@ finalizeDocumentation() ==
         macroExpand(x,e))
     hn u ==
      -- ((op,sig,doc), ...)  --> ((op ((sig doc) ...)) ...)
-      opList := REMDUP ASSOCLEFT u
+      opList := removeDuplicates ASSOCLEFT u
       [[op,:[[sig,doc] for [op1,sig,doc] in u | op = op1]] for op in opList]
 
 --=======================================================================
diff --git a/src/interp/c-util.boot b/src/interp/c-util.boot
index bdf55366..7463b2fc 100644
--- a/src/interp/c-util.boot
+++ b/src/interp/c-util.boot
@@ -190,7 +190,7 @@ DOWN() == down()
 down() == displayComp ($level:= $level+1)
  
 displaySemanticErrors() ==
-  n:= #($semanticErrorStack:= REMDUP $semanticErrorStack)
+  n:= #($semanticErrorStack:= removeDuplicates $semanticErrorStack)
   n=0 => nil
   l:= nreverse $semanticErrorStack
   $semanticErrorStack:= nil
@@ -204,7 +204,7 @@ displaySemanticError(l,stream) ==
     sayBrightly(['"      [",i,'"] ",:first x],stream)
  
 displayWarnings() ==
-  n:= #($warningStack:= REMDUP $warningStack)
+  n:= #($warningStack:= removeDuplicates $warningStack)
   n=0 => nil
   sayBrightly bright '"  Warnings:"
   l := nreverse $warningStack
@@ -296,8 +296,8 @@ intersectionContour(c,c') ==
   $var: local
   computeIntersection(c,c') where
     computeIntersection(c,c') ==
-      varlist:= REMDUP ASSOCLEFT c
-      varlist':= REMDUP ASSOCLEFT c'
+      varlist:= removeDuplicates ASSOCLEFT c
+      varlist':= removeDuplicates ASSOCLEFT c'
       interVars:= intersection(varlist,varlist')
       unionVars:= union(varlist,varlist')
       diffVars:= setDifference(unionVars,interVars)
@@ -714,7 +714,7 @@ genSomeVariable() ==
  
 listOfIdentifiersIn x ==
   IDENTP x => [x]
-  x is [op,:l] => REMDUP ("append"/[listOfIdentifiersIn y for y in l])
+  x is [op,:l] => removeDuplicates ("append"/[listOfIdentifiersIn y for y in l])
   nil
  
 mapInto(x,fn) == [FUNCALL(fn,y) for y in x]
@@ -1556,8 +1556,8 @@ transformToBackendCode x ==
       (atom stmt or first stmt = "SEQ" or not CONTAINED("EXIT",stmt)) =>
         body
     [simplifySEQ ["SEQ",:body]]
-  $FluidVars := REMDUP nreverse $FluidVars
-  $LocalVars := S_-(S_-(REMDUP nreverse $LocalVars,$FluidVars),
+  $FluidVars := removeDuplicates nreverse $FluidVars
+  $LocalVars := S_-(S_-(removeDuplicates nreverse $LocalVars,$FluidVars),
                   LISTOFATOMS second x)
   lvars := [:$FluidVars,:$LocalVars]
   fluids := S_+($FluidVars,$SpecialVars)
diff --git a/src/interp/clammed.boot b/src/interp/clammed.boot
index 5462d0ee..18632214 100644
--- a/src/interp/clammed.boot
+++ b/src/interp/clammed.boot
@@ -82,7 +82,7 @@ isValidType form ==
     and/[isValidType type for [:.,type] in selectors]
   form is ['Enumeration,:args] =>
     null (and/[IDENTP x for x in args]) => false
-    ((# args) = (# REMDUP args)) => true
+    ((# args) = (# removeDuplicates args)) => true
     false
   form is ['Mapping,:mapargs] =>
     null mapargs => NIL
@@ -92,7 +92,7 @@ isValidType form ==
     args and first args is [":",:.] =>
       and/[isValidType type for [:.,type] in args]
     null (and/[isValidType arg for arg in args]) => NIL
-    ((# args) = (# REMDUP args)) => true
+    ((# args) = (# removeDuplicates args)) => true
     sayKeyedMsg("S2IR0005",[form])
     NIL
 
@@ -199,12 +199,12 @@ isLegitimateMode(t,hasPolyMode,polyVarList) ==
     -- check for tagged union
     ml and first ml is [":",:.] => isLegitimateRecordOrTaggedUnion ml
     null (and/[isLegitimateMode(m,nil,nil) for m in ml]) => false
-    ((# ml) = (# REMDUP ml)) => true
+    ((# ml) = (# removeDuplicates ml)) => true
     false
   t is ['Record,:r] => isLegitimateRecordOrTaggedUnion r
   t is ['Enumeration,:r] =>
     null (and/[IDENTP x for x in r]) => false
-    ((# r) = (# REMDUP r)) => true
+    ((# r) = (# removeDuplicates r)) => true
     false
   false
 
diff --git a/src/interp/database.boot b/src/interp/database.boot
index 92938d81..6c7c54c4 100644
--- a/src/interp/database.boot
+++ b/src/interp/database.boot
@@ -607,7 +607,7 @@ mkAlistOfExplicitCategoryOps target ==
                 op is [a] => a
                 keyedSystemError("S2GE0016",
                   ['"mkAlistOfExplicitCategoryOps",'"bad signature"])
-    opList:= REMDUP ASSOCLEFT u
+    opList:= removeDuplicates ASSOCLEFT u
     [[x,:fn(x,u)] for x in opList] where
       fn(op,u) ==
         u is [[a,:b],:c] => (a=op => [b,:fn(op,c)]; fn(op,c))
diff --git a/src/interp/define.boot b/src/interp/define.boot
index 9c799c1f..8bcdfef1 100644
--- a/src/interp/define.boot
+++ b/src/interp/define.boot
@@ -568,7 +568,7 @@ compMakeCategoryObject(c,$e) ==
 
 predicatesFromAttributes: %List -> %List
 predicatesFromAttributes attrList ==
-  REMDUP [second x for x in attrList]
+  removeDuplicates [second x for x in attrList]
 
  
 compDefineFunctor(df,m,e,prefix,fal) ==
@@ -941,7 +941,7 @@ orderByDependency(vl,dl) ==
     dl':= [setDifference(d,newl) for x in vl for d in dl | member(x,vl')]
     vl:= vl'
     dl:= dl'
-  REMDUP nreverse orderedVarList --ordered so ith is indep. of jth if i < j
+  removeDuplicates nreverse orderedVarList --ordered so ith is indep. of jth if i < j
  
 compDefineCapsuleFunction(df is ['DEF,form,signature,specialCases,body],
   m,$e,$prefix,$formalArgList) ==
@@ -1057,7 +1057,7 @@ hasSigInTargetCategory(argl,form,opsig,e) ==
             for x in argl for i in 0..]
     --each element is a declared mode for the variable or nil if none exists
   potentialSigList:=
-    REMDUP
+    removeDuplicates
       [sig for sig in sigs |
           fn(sig,opsig,mList)] where
             fn(sig,opsig,mList) ==
@@ -1102,7 +1102,7 @@ checkAndDeclare(argl,form,sig,e) ==
 getSignature(op,argModeList,$e) ==
   1=#
     (sigl:=
-      REMDUP
+      removeDuplicates
         [sig
           for [[dc,:sig],[pred,:.]] in (mmList:= get(op,'modemap,$e)) | dc='_$
             and rest sig=argModeList and knownInfo pred]) => first sigl
@@ -1611,7 +1611,7 @@ mkExplicitCategoryFunction(domainOrPackage,sigList,atList) ==
           ("union"/[fn sig for ["QUOTE",[[.,sig,:.],:.]] in sigList]) where
             fn sig == [D for D in sig | mustInstantiate D]
   parameters:=
-    REMDUP
+    removeDuplicates
       ("append"/
         [[x for x in sig | IDENTP x and x~='_$]
           for ["QUOTE",[[.,sig,:.],:.]] in sigList])
diff --git a/src/interp/functor.boot b/src/interp/functor.boot
index c0bafcd1..4e747b44 100644
--- a/src/interp/functor.boot
+++ b/src/interp/functor.boot
@@ -688,7 +688,7 @@ LookUpSigSlots(sig,siglist) ==
   if $insideCategoryPackageIfTrue then
            sig := substitute('$,second($functorForm),sig)
   siglist := $lisplibOperationAlist
-  REMDUP [implem for u in siglist | SigSlotsMatch(sig,first u,implem:=third u)
+  removeDuplicates [implem for u in siglist | SigSlotsMatch(sig,first u,implem:=third u)
               and KADDR implem]
  
 SigSlotsMatch(sig,pattern,implem) ==
@@ -821,7 +821,7 @@ ICformat u ==
       atom u => u
       u is ["has",:.] => compHasFormat u
       u is ['AND,:l] or u is ['and,:l] =>
-        l:= REMDUP [ICformat v for [v,:l'] in tails l | not member(v,l')]
+        l:= removeDuplicates [ICformat v for [v,:l'] in tails l | not member(v,l')]
              -- we could have duplicates after, even if not before
         LENGTH l=1 => first l
         l1:= first l
@@ -831,7 +831,7 @@ ICformat u ==
       u is ['OR,:l] =>
         (l:= ORreduce l)
         LENGTH l=1 => ICformat first l
-        l:= ORreduce REMDUP [ICformat u for u in l]
+        l:= ORreduce removeDuplicates [ICformat u for u in l]
                  --causes multiple ANDs to be squashed, etc.
                  -- and duplicates that have been built up by tidying
         (l:= Hasreduce l) where
diff --git a/src/interp/guess.boot b/src/interp/guess.boot
index 43113eea..21014170 100644
--- a/src/interp/guess.boot
+++ b/src/interp/guess.boot
@@ -83,7 +83,7 @@ wordsOfString1(s,j) ==
   nil
 
 wordKeys s == 
-  REMDUP [UPCASE s.0,:fn(s,1,-1,MAXINDEX s,nil)] where fn(s,i,lastKeyIndex,n,acc) ==
+  removeDuplicates [UPCASE s.0,:fn(s,1,-1,MAXINDEX s,nil)] where fn(s,i,lastKeyIndex,n,acc) ==
     i > n => acc
     UPPER_-CASE_-P s.i =>
 --    i = lastKeyIndex + 1 => fn(s,i + 1,i,n,[s.i,:rest acc])
@@ -125,7 +125,7 @@ findWords(word,table) ==
       $totalWords
   $lastWords := nil
 
-wordSort u == REMDUP listSort(function GLESSEQP,u)
+wordSort u == removeDuplicates listSort(function GLESSEQP,u)
 
 more() == moreWords($lastWord,$lastTable)
 
diff --git a/src/interp/i-coerce.boot b/src/interp/i-coerce.boot
index a5842d89..823e6df4 100644
--- a/src/interp/i-coerce.boot
+++ b/src/interp/i-coerce.boot
@@ -154,7 +154,7 @@ retract2Specialization object ==
 --    coerceInt(object,$Symbol)
   type is ['Polynomial,D] =>
     val' is [ =1,x,:.] =>
-      vl := REMDUP reverse varsInPoly val'
+      vl := removeDuplicates reverse varsInPoly val'
       1 = #vl => coerceInt(object,['UnivariatePolynomial,x,D])
       NIL
     val' is [ =0,:.] => coerceInt(object, D)
@@ -655,8 +655,8 @@ canCoerceByFunction1(m1,m2,fun) ==
   $reportBottomUpFlag:local:= NIL
   -- have to handle cases where we might have changed from RN to QF I
   -- make 2 lists of expanded and unexpanded types
-  l1 := REMDUP [m1,eqType m1]
-  l2 := REMDUP [m2,eqType m2]
+  l1 := removeDuplicates [m1,eqType m1]
+  l2 := removeDuplicates [m2,eqType m2]
   ans  := NIL
   for t1 in l1 while not ans repeat
     for t2 in l2 while not ans repeat
@@ -1208,11 +1208,11 @@ computeTTTranspositions(t1,t2) ==
   p2' := MSORT p2
   p2 = p2' => NIL
   -- if anything is repeated twice, leave
-  p2' ~= MSORT REMDUP p2' => NIL
+  p2' ~= MSORT removeDuplicates p2' => NIL
   -- create a list of permutations that transform the tower parts
   -- of t1 into the order they are in in t2
   n1 := #tl1
-  p2 := LIST2VEC compress(p2,0,# REMDUP tl1) where
+  p2 := LIST2VEC compress(p2,0,# removeDuplicates tl1) where
     compress(l,start,len) ==
       start >= len => l
       member(start,l) => compress(l,start+1,len)
diff --git a/src/interp/i-funsel.boot b/src/interp/i-funsel.boot
index c7c9c11a..345b67f9 100644
--- a/src/interp/i-funsel.boot
+++ b/src/interp/i-funsel.boot
@@ -204,7 +204,7 @@ selectMms2(op,tar,args1,args2,$Coerce) ==
     -- any Unions, Mapping or Records
 
     a' := nil
-    a := nreverse REMDUP a
+    a := nreverse removeDuplicates a
     for x in a repeat
       null x => 'iterate
       x = '(RationalRadicals) => a' := [$RationalNumber,:a']
@@ -220,7 +220,7 @@ selectMms2(op,tar,args1,args2,$Coerce) ==
       x is ['FunctionCalled,name] =>
         (xm := get(name,'mode,$e)) and not isPartialMode xm =>
           a' := [xm,:a']
-    a := append(a,REMDUP a')
+    a := append(a,removeDuplicates a')
     a := [x for x in a | cons?(x)]
 
     -- step 1. see if we have one without coercing
@@ -1037,7 +1037,7 @@ selectMmsGen(op,tar,args1,args2) ==
   else args := append(args1,args2)
   if tar then args := [tar,:args]
   -- for common aggregates, use under domain also
-  for a in REMDUP args repeat
+  for a in removeDuplicates args repeat
     a =>
       atom a => nil
       fa := QCAR a
diff --git a/src/interp/i-map.boot b/src/interp/i-map.boot
index a93883cd..03c15c50 100644
--- a/src/interp/i-map.boot
+++ b/src/interp/i-map.boot
@@ -151,7 +151,7 @@ addDefMap(['DEF,lhs,mapsig,.,rhs],pred) ==
   for parm in parameters repeat mkLocalVar($mapName,parm)
   userVariables2 := setDifference(userVariables1,findLocalVars(op,rhs))
   userVariables3 := setDifference(userVariables2, parameters)
-  userVariables4 := REMDUP setDifference (userVariables3, [op])
+  userVariables4 := removeDuplicates setDifference (userVariables3, [op])
 
   --figure out the new dependencies for the new map (what it depends on)
   newDependencies := makeNewDependencies (op, userVariables4)
@@ -235,7 +235,7 @@ getUserIdentifiersIn body ==
       cons? op or not (GETL(op,'Nud) or GETL(op,'Led) or GETL(op,'up))=>
         NCONC(getUserIdentifiersIn op, argIdList)
       argIdList
-    REMDUP bodyIdList
+    removeDuplicates bodyIdList
 
 getUserIdentifiersInIterators itl ==
   for x in itl repeat
@@ -247,7 +247,7 @@ getUserIdentifiersInIterators itl ==
       varList:= [:getUserIdentifiersIn a,:varList]
     keyedSystemError("S2GE0016",['"getUserIdentifiersInIterators",
       '"unknown iterator construct"])
-  REMDUP varList
+  removeDuplicates varList
 
 getIteratorIds itl ==
   for x in itl repeat
@@ -1067,7 +1067,7 @@ listOfVariables pat ==
   IDENTP pat => (pat='_. => nil ; [pat])
   pat is ['_:,var] or pat is ['_=,var] =>
     (var='_. => NIL ; [var])
-  cons? pat => REMDUP [:listOfVariables p for p in pat]
+  cons? pat => removeDuplicates [:listOfVariables p for p in pat]
   nil
 
 getMapBody(op,mapDef) ==
diff --git a/src/interp/i-resolv.boot b/src/interp/i-resolv.boot
index 0af2a733..afc8f07d 100644
--- a/src/interp/i-resolv.boot
+++ b/src/interp/i-resolv.boot
@@ -148,7 +148,7 @@ resolveTTUnion(t1 is ['Union,:doms],t2) ==
       null (d' := resolveTT(d,t2)) => bad := true
       ud := [d',:ud]
     bad => NIL
-    ['Union,:REMDUP reverse ud]
+    ['Union,:removeDuplicates reverse ud]
   ud := nil
   bad := nil
   for d in doms2 while not bad repeat
@@ -156,7 +156,7 @@ resolveTTUnion(t1 is ['Union,:doms],t2) ==
     null (d' := resolveTTUnion(t1,d)) => bad := true
     ud := append(ud,rest d')
   bad => NIL
-  ['Union,:REMDUP ud]
+  ['Union,:removeDuplicates ud]
 
 resolveTTSpecial(t1,t2) ==
   -- tries to resolve things that would otherwise get mangled in the
@@ -413,7 +413,7 @@ getConditionalCategoryOfType(t,conditions,match) ==
   if cons? t then t := first t
   t in '(Union Mapping Record) => NIL
   conCat := getConstructorCategoryFromDB t
-  REMDUP rest getConditionalCategoryOfType1(conCat,conditions,match,[NIL])
+  removeDuplicates rest getConditionalCategoryOfType1(conCat,conditions,match,[NIL])
 
 getConditionalCategoryOfType1(cat,conditions,match,seen) ==
   cat is ['Join,:cs] or cat is ['CATEGORY,:cs] =>
@@ -522,7 +522,7 @@ resolveTMUnion(t, m is ['Union,:ums]) ==
   isTaggedUnion m => resolveTMTaggedUnion(t,m)
   -- resolves t with a Union type
   t isnt ['Union,:uts] =>
-    ums := REMDUP spliceTypeListForEmptyMode([t],ums)
+    ums := removeDuplicates spliceTypeListForEmptyMode([t],ums)
     ums' := nil
     success := nil
     for um in ums repeat
@@ -532,14 +532,14 @@ resolveTMUnion(t, m is ['Union,:ums]) ==
         ums' := [um',:ums']
       ums' := [um,:ums']
     -- remove any duplicate domains that might have been created
-    m' := ['Union,:REMDUP reverse ums']
+    m' := ['Union,:removeDuplicates reverse ums']
     success =>
       null CONTAINED('_*_*,m') => m'
       t = $Integer => NIL
       resolveTM1($Integer,m')
     NIL
   -- t is actually a Union if we got here
-  ums := REMDUP spliceTypeListForEmptyMode(uts,ums)
+  ums := removeDuplicates spliceTypeListForEmptyMode(uts,ums)
   bad := nil
   doms := nil
   for ut in uts while not bad repeat
@@ -547,7 +547,7 @@ resolveTMUnion(t, m is ['Union,:ums]) ==
       doms := append(rest m',doms)
     bad := true
   bad => NIL
-  ['Union,:REMDUP doms]
+  ['Union,:removeDuplicates doms]
 
 resolveTMTaggedUnion(t, m is ['Union,:ums]) ==
   NIL
diff --git a/src/interp/i-spec1.boot b/src/interp/i-spec1.boot
index 88a7675b..48cf90fa 100644
--- a/src/interp/i-spec1.boot
+++ b/src/interp/i-spec1.boot
@@ -536,7 +536,7 @@ upLoopIterSTEP(index,lower,step,upperList) ==
       throwKeyedMsg("S2IS0007",['"upper"])
   if utype then types := [utype, :types]
   else types := [stype, :types]
-  type := resolveTypeListAny REMDUP types
+  type := resolveTypeListAny removeDuplicates types
   put(index,'mode,type,$env)
   mkLocalVar('"the iterator expression",index)
 
diff --git a/src/interp/i-spec2.boot b/src/interp/i-spec2.boot
index 8a8a955e..e5c2bb15 100644
--- a/src/interp/i-spec2.boot
+++ b/src/interp/i-spec2.boot
@@ -405,7 +405,7 @@ compileIs(val,pattern) ==
     pat is ["=",var] => vars:= [var,:vars]
   predCode:=["%LET",g:=GENSYM(),["isPatternMatch",
     getArgValue(val,computedMode val),MKQ removeConstruct pattern]]
-  for var in REMDUP vars repeat
+  for var in removeDuplicates vars repeat
     assignCode:=[["%LET",var,["CDR",["ASSQ",MKQ var,g]]],:assignCode]
   null $opIsIs =>
     ["COND",[["EQ",predCode,MKQ "failed"],["SEQ",:assignCode,MKQ 'T]]]
diff --git a/src/interp/i-syscmd.boot b/src/interp/i-syscmd.boot
index e251c5e4..0c0df310 100644
--- a/src/interp/i-syscmd.boot
+++ b/src/interp/i-syscmd.boot
@@ -350,7 +350,7 @@ clearCmdParts(l is [opt,:vl]) ==
   imacs := getInterpMacroNames()
   if vl='(all) then
     vl := ASSOCLEFT CAAR $InteractiveFrame
-    vl := REMDUP(append(vl, pmacs))
+    vl := removeDuplicates(append(vl, pmacs))
   $e : local := $InteractiveFrame
   for x in vl repeat
     clearDependencies(x,true)
@@ -1050,7 +1050,7 @@ displayMacros names ==
   macros :=
      null names => append (imacs, pmacs)
      names
-  macros := REMDUP macros
+  macros := removeDuplicates macros
 
   null macros => sayBrightly '"   There are no OpenAxiom macros."
 
@@ -1080,7 +1080,7 @@ displayMacros names ==
   NIL
 
 getParserMacroNames() ==
-  REMDUP [first mac for mac in getParserMacros()]
+  removeDuplicates [first mac for mac in getParserMacros()]
 
 clearParserMacro(macro) ==
   -- first see if it is one
@@ -1150,7 +1150,7 @@ displayProperties(option,l) ==
   [opt,:vl]:= (l or ['properties])
   imacs := getInterpMacroNames()
   pmacs := getParserMacroNames()
-  macros := REMDUP append(imacs, pmacs)
+  macros := removeDuplicates append(imacs, pmacs)
   if vl is ['all] or null vl then
     vl := MSORT append(getWorkspaceNames(),macros)
   if $frameMessages then sayKeyedMsg("S2IZ0065",[$interpreterFrameName])
@@ -2500,7 +2500,7 @@ reportOpsFromUnitDirectly unitForm ==
       isRecordOrUnion =>
         sayBrightly '"   Records and Unions have no attributes."
       sayBrightly '""
-      attList:= REMDUP MSORT [x for [x,:.] in unit.2]
+      attList:= removeDuplicates MSORT [x for [x,:.] in unit.2]
       say2PerLine [formatAttribute x for x in attList]
       NIL
     opt = 'operations =>
@@ -2514,11 +2514,11 @@ reportOpsFromUnitDirectly unitForm ==
             systemErrorHere ["reportOpsFromUnitDirectly",top]
           [funlist,.]:= FUNCALL(constructorFunction,"$",unitForm,
             $CategoryFrame)
-          sigList := REMDUP MSORT
+          sigList := removeDuplicates MSORT
                       [[[a,b],true,slot c] for [a,b,c] in funlist]
                              where slot c == (atom c => [c,0,1]; c)
         else
-          sigList:= REMDUP MSORT getOplistForConstructorForm unitForm
+          sigList:= removeDuplicates MSORT getOplistForConstructorForm unitForm
       say2PerLine [formatOperation(x,unit) for x in sigList]
       if $commentedOps ~= 0 then
         sayBrightly
@@ -2560,7 +2560,7 @@ reportOpsFromLisplib(op,u) ==
     opt = 'attributes =>
       centerAndHighlight('"Attributes",$LINELENGTH,specialChar 'hbar)
       sayBrightly '""
-      attList:= REMDUP MSORT [x for [x,:.] in
+      attList:= removeDuplicates MSORT [x for [x,:.] in
         getConstructorAttributesFromDB op]
       null attList => sayBrightly
         concat('%b,form2String functorForm,'%d,"has no attributes.",'%l)
@@ -2576,7 +2576,7 @@ displayOperationsFromLisplib form ==
   opList:= getConstructorOperationsFromDB name
   null opList => 
     centerAndHighlight('"No exported operations",$LINELENGTH)
-  opl:=REMDUP MSORT EQSUBSTLIST(argl,$FormalMapVariableList,opList)
+  opl:=removeDuplicates MSORT EQSUBSTLIST(argl,$FormalMapVariableList,opList)
   ops:= nil
   for x in opl repeat
     ops := [:ops,:formatOperationAlistEntry(x)]
diff --git a/src/interp/mark.boot b/src/interp/mark.boot
index ce5c7b3a..6c0c26a2 100644
--- a/src/interp/mark.boot
+++ b/src/interp/mark.boot
@@ -388,7 +388,7 @@ markChanges(originalDef,T,sig) ==
     markEncodeChanges(code,nil)
     frees := 
       null $markFreeStack => nil
-      [['free,:mySort REMDUP $markFreeStack]]
+      [['free,:mySort removeDuplicates $markFreeStack]]
     noriginalBody := markSpliceInChanges originalBody
     nbody := augmentBodyByLoopDecls noriginalBody
     ndef := ['DEF,form,signature,[nil for x in form],nbody]
@@ -870,7 +870,7 @@ markFinish1() ==
      $globalImportStack := delete($categoryNameForDollar,$globalImportStack)
   $commonImports : local := getCommonImports()
   globalImports := 
-    reverse orderByContainment REMDUP [:$commonImports,:$globalImportStack]
+    reverse orderByContainment removeDuplicates [:$commonImports,:$globalImportStack]
   $finalImports: local := SETDIFFERENCE(globalImports,$globalDeclareStack)
   $capsuleStack := 
     [mkNewCapsuleItem(freepart,imports,x) for freepart in $freeStack 
@@ -955,7 +955,7 @@ markRemImportsAndLeadingMacros(leadingMacros,body) ==
 
 mkNewCapsuleItem(frees,i,x) ==
   [originalDef,:ndef] := x
-  imports := reverse orderByContainment REMDUP SETDIFFERENCE(i,$finalImports)
+  imports := reverse orderByContainment removeDuplicates SETDIFFERENCE(i,$finalImports)
   importPart := [["import",d] for d in imports]
   nbody := 
     ndef is ["%LET",.,x] => x
@@ -1362,7 +1362,7 @@ markGetPaths(x,y) ==
   markPaths(x,y,[nil])
  
 mkCheck() ==
-  for [x, :y] in REMDUP $badStack repeat
+  for [x, :y] in removeDuplicates $badStack repeat
     pp '"!!-------------------------------!!"
     res := mkGetPaths(x, y)
     oldRes := markPaths(x, y, [nil])
@@ -1376,11 +1376,11 @@ mkCheck() ==
 reverseDown u == [reverse x for x in u]
 
 mkCheckRun() ==
-  for [x, :y] in REMDUP $badStack repeat
+  for [x, :y] in removeDuplicates $badStack repeat
     pp mkGetPaths(x,y)
 
 mkGetPaths(x,y) ==
-  u := REMDUP mkPaths(x,y) => getLocationsOf(u,y,nil)
+  u := removeDuplicates mkPaths(x,y) => getLocationsOf(u,y,nil)
   nil   
 
 mkPaths(x,y) ==   --x < y; find location s of x in y (initially s=nil)
diff --git a/src/interp/nruncomp.boot b/src/interp/nruncomp.boot
index 14f694c0..b9fbe98b 100644
--- a/src/interp/nruncomp.boot
+++ b/src/interp/nruncomp.boot
@@ -438,7 +438,7 @@ buildFunctor($definition is [name,:args],sig,code,$locals,$e) ==
 
   oldtime:= TEMPUS_-FUGIT()
   [$catsig,:argsig]:= sig
-  catvecListMaker:=REMDUP
+  catvecListMaker:=removeDuplicates
     [(comp($catsig,$EmptyMode,$e)).expr,
       :[compCategories first u for u in second $domainShell.4]]
   condCats:= InvestigateConditions [$catsig,:rest catvecListMaker]
@@ -554,7 +554,7 @@ NRTsetVector4(siglist,formlist,condlist) ==
                   NRTsetVector4a(sig,form,cond)
 
   $lisplibCategoriesExtended:= [$uncondList,:$condList]
-  code := ['mapConsDB,MKQ reverse REMDUP $uncondList]
+  code := ['mapConsDB,MKQ reverse removeDuplicates $uncondList]
   if $condList then
     localVariable := GENSYM()
     code := [["%LET",localVariable,code]]
@@ -575,7 +575,7 @@ NRTsetVector4Part1(siglist,formlist,condlist) ==
   for sig in reverse siglist for form in reverse formlist
          for cond in reverse condlist repeat
                   NRTsetVector4a(sig,form,cond)
-  reducedUncondlist := REMDUP $uncondList
+  reducedUncondlist := removeDuplicates $uncondList
   reducedConlist :=
     [[x,:y] for [x,z] in $condList| y := SETDIFFERENCE(z,reducedUncondlist)]
   revCondlist := reverseCondlist reducedConlist
@@ -594,7 +594,7 @@ reverseCondlist cl ==
 
 NRTsetVector4Part2(uncondList,condList) ==
   $lisplibCategoriesExtended:= [uncondList,:condList]
-  code := ['mapConsDB,MKQ reverse REMDUP uncondList]
+  code := ['mapConsDB,MKQ reverse removeDuplicates uncondList]
   if condList then
     localVariable := GENSYM()
     code := [["%LET",localVariable,code]]
diff --git a/src/interp/nrunopt.boot b/src/interp/nrunopt.boot
index 57833083..ef33f475 100644
--- a/src/interp/nrunopt.boot
+++ b/src/interp/nrunopt.boot
@@ -394,7 +394,7 @@ orderCatAnc x == nreverse ASSOCLEFT SORTBY('CDR,rest depthAssoc x)
  
 depthAssocList u == 
   u := delete('DomainSubstitutionMacro,u)  --hack by RDJ 8/90
-  REMDUP ("append"/[depthAssoc(y) for y in u])
+  removeDuplicates ("append"/[depthAssoc(y) for y in u])
  
 depthAssoc x ==
   y := HGET($depthAssocCache,x) => y
diff --git a/src/interp/postpar.boot b/src/interp/postpar.boot
index 99ef5eda..770e44cf 100644
--- a/src/interp/postpar.boot
+++ b/src/interp/postpar.boot
@@ -61,7 +61,7 @@ postTransform y ==
   u
 
 displayPreCompilationErrors() ==
-  n:= #($postStack:= REMDUP nreverse $postStack)
+  n:= #($postStack:= removeDuplicates nreverse $postStack)
   n=0 => nil
   errors:=
     1<n => '"errors"
diff --git a/src/interp/showimp.boot b/src/interp/showimp.boot
index d9273326..7dfe9c18 100644
--- a/src/interp/showimp.boot
+++ b/src/interp/showimp.boot
@@ -115,7 +115,7 @@ getDomainOps D ==
   domname := D.0
   conname := first domname
   $predicateList: local := getConstructorPredicatesFromDB conname
-  REMDUP listSort(function GLESSEQP,ASSOCLEFT getDomainOpTable(D,nil))
+  removeDuplicates listSort(function GLESSEQP,ASSOCLEFT getDomainOpTable(D,nil))
  
 getDomainSigs(D,:option) ==
   domname := D.0
diff --git a/src/interp/topics.boot b/src/interp/topics.boot
index ef413b3e..f3959be9 100644
--- a/src/interp/topics.boot
+++ b/src/interp/topics.boot
@@ -163,7 +163,7 @@ topicCode lst ==
     x
   if null intersection('(basic extended hidden),u) then u := ['extended,:u]
   bitIndexList := nil
-  for x in REMDUP u repeat
+  for x in removeDuplicates u repeat
     bitIndexList := [fn x,:bitIndexList] where fn x ==
       k := HGET($topicHash,x) => k
       HPUT($topicHash,x,$topicIndex := $topicIndex * 2)
@@ -214,7 +214,7 @@ topics con ==
       [[HGET($topicHash,key),:key] for key in HKEYS $topicHash]      
   hash := MAKE_-HASHTABLE 'ID
   tdAdd(con,hash)
-  for x in REMDUP [CAAR y for y in ancestorsOf(getConstructorForm con,nil)] repeat
+  for x in removeDuplicates [CAAR y for y in ancestorsOf(getConstructorForm con,nil)] repeat
     tdAdd(x,hash)
   for x in HKEYS hash repeat HPUT(hash,x,mySort HGET(hash,x))
   tdPrint hash 
diff --git a/src/interp/wi2.boot b/src/interp/wi2.boot
index 32b64c19..f73710de 100644
--- a/src/interp/wi2.boot
+++ b/src/interp/wi2.boot
@@ -108,7 +108,7 @@ compDefineFunctor1(df, m,$e,$prefix,$formalArgList) ==
     $uncondAlist: local := nil
 -->>-- next global initialized here, reset by buildFunctor
     $NRTslot1PredicateList: local :=
-      REMDUP [second x for x in attributeList]
+      removeDuplicates [second x for x in attributeList]
 -->>-- next global initialized here, used by NRTgenAttributeAlist (NRUNOPT)
     $NRTattributeAlist: local := NRTgenInitialAttributeAlist attributeList
     $NRTslot1Info: local := nil --set in NRTmakeSlot1Info