Revert commits to the wrong tree.

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diff --git a/src/interp/format.boot b/src/interp/format.boot
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--- a/src/interp/format.boot
+++ /dev/null
@@ -1,780 +0,0 @@
--- Copyright (c) 1991-2002, The Numerical ALgorithms Group Ltd.
--- All rights reserved.
---
--- Redistribution and use in source and binary forms, with or without
--- modification, are permitted provided that the following conditions are
--- met:
---
---     - Redistributions of source code must retain the above copyright
---       notice, this list of conditions and the following disclaimer.
---
---     - Redistributions in binary form must reproduce the above copyright
---       notice, this list of conditions and the following disclaimer in
---       the documentation and/or other materials provided with the
---       distribution.
---
---     - Neither the name of The Numerical ALgorithms Group Ltd. nor the
---       names of its contributors may be used to endorse or promote products
---       derived from this software without specific prior written permission.
---
--- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
--- IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
--- TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
--- PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
--- OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
--- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
--- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
--- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
--- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
--- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
--- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
---% Functions for display formatting system objects
-
--- some of these are redundant and should be compacted
-$formatSigAsTeX := 1
-
---% Formatting modemaps
-
-sayModemap m ==
-  -- sayMSG formatModemap displayTranModemap m
-  sayMSG formatModemap old2NewModemaps displayTranModemap m
-
-sayModemapWithNumber(m,n) ==
-  msg := reverse cleanUpSegmentedMsg reverse ["%i","%i",'" ",
-    STRCONC(lbrkSch(),object2String n,rbrkSch()),
-      :formatModemap displayTranModemap m,"%u","%u"]
-  sayMSG flowSegmentedMsg(reverse msg,$LINELENGTH,3)
-
-displayOpModemaps(op,modemaps) ==
-  TERPRI()
-  count:= #modemaps
-  phrase:= (count=1 => 'modemap;'modemaps)
-  sayMSG ['%b,count,'%d,phrase,'" for",'%b,op,'%d,'":"]
-  for modemap in modemaps repeat sayModemap modemap
-
-displayTranModemap (mm is [[x,:sig],[pred,:y],:z]) ==
-  -- The next 8 lines are a HACK to deal with the "partial" definition
-  -- JHD/RSS
-  if pred is ['partial,:pred'] then
-    [b,:c]:=sig
-    sig:=[['Union,b,'"failed"],:c]
-    mm:=[[x,:sig],[pred',:y],:z]
-  else if pred = 'partial then
-    [b,:c]:=sig
-    sig:=[['Union,b,'"failed"],:c]
-    mm:=[[x,:sig],y,:z]
-  mm' := EQSUBSTLIST('(m n p q r s t i j k l),
-    MSORT listOfPredOfTypePatternIds pred,mm)
-  EQSUBSTLIST('(D D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14),
-    MSORT listOfPatternIds [sig,[pred,:y]],mm')
-
-listOfPredOfTypePatternIds p ==
-  p is ['AND,:lp] or p is ['OR,:lp] =>
-    UNIONQ([:listOfPredOfTypePatternIds p1 for p1 in lp],NIL)
-  p is [op,a,.] and op = 'ofType =>
-    isPatternVar a => [a]
-    nil
-  nil
-
-removeIsDomains pred ==
-  pred is ['isDomain,a,b] => true
-  pred is ['AND,:predl] =>
-    MKPF([x for x in predl | x isnt ['isDomain,:.]],'AND)
-  pred
-
-canRemoveIsDomain? pred ==
-  -- returns nil OR an alist for substitutions of domains ordered so that
-  -- after substituting for each pair in turn, no left-hand names remain
-  alist :=
-    pred is ['isDomain,a,b] => [[a,:b],:alist]
-    pred is ['AND,:predl] =>
-      [[a,:b] for pred in predl | pred is ['isDomain,a,b]]
-  findSubstitutionOrder? alist
-
-findSubstitutionOrder? alist == fn(alist,nil) where
-  -- returns NIL or an appropriate substituion order
-  fn(alist,res) ==
-    null alist => NREVERSE res
-    choice := or/[x for (x:=[a,:b]) in alist | null containedRight(a,alist)] =>
-      fn(delete(choice,alist),[choice,:res])
-    nil
-
-containedRight(x,alist)== or/[CONTAINED(x,y) for [.,:y] in alist]
-
-removeIsDomainD pred ==
-  pred is ['isDomain,'D,D] =>
-    [D,nil]
-  pred is ['AND,:preds] =>
-    D := nil
-    for p in preds while not D repeat
-      p is ['isDomain,'D,D1] =>
-        D := D1
-        npreds := delete(['isDomain,'D,D1],preds)
-    D =>
-      1 = #npreds => [D,first npreds]
-      [D,['AND,:npreds]]
-    nil
-  nil
-
-formatModemap modemap ==
-  [[dc,target,:sl],pred,:.]:= modemap
-  if alist := canRemoveIsDomain? pred then
-    dc:= substInOrder(alist,dc)
-    pred:= substInOrder(alist,removeIsDomains pred)
-    target:= substInOrder(alist,target)
-    sl:= substInOrder(alist,sl)
-  else if removeIsDomainD pred is [D,npred] then
-    pred := SUBST(D,'D,npred)
-    target := SUBST(D,'D,target)
-    sl := SUBST(D,'D,sl)
-  predPart:= formatIf pred
-  targetPart:= prefix2String target
-  argTypeList:=
-    null sl => nil
-    concat(prefix2String first sl,fn(rest sl)) where
-      fn l ==
-        null l => nil
-        concat(",",prefix2String first l,fn rest l)
-  argPart:=
-    #sl<2 => argTypeList
-    ['"_(",:argTypeList,'"_)"]
-  fromPart:=
-    if dc = 'D and D
-      then concat('%b,'"from",'%d,prefix2String D)
-      else concat('%b,'"from",'%d,prefix2String dc)
-  firstPart:= concat('" ",argPart,'" -> ",targetPart)
-  sayWidth firstPart + sayWidth fromPart > 74 => --allow 5 spaces for " [n]"
-    fromPart:= concat('" ",fromPart)
-    secondPart :=
-      sayWidth fromPart + sayWidth predPart < 75 =>
-        concat(fromPart,predPart)
-      concat(fromPart,'%l,predPart)
-    concat(firstPart,'%l,secondPart)
-  firstPart:= concat(firstPart,fromPart)
-  sayWidth firstPart + sayWidth predPart < 80 =>
-    concat(firstPart,predPart)
-  concat(firstPart,'%l,predPart)
-
-substInOrder(alist,x) ==
-  alist is [[a,:b],:y] => substInOrder(y,SUBST(b,a,x))
-  x
-
-reportOpSymbol op1 ==
-  op := (STRINGP op1 => INTERN op1; op1)
-  modemaps := getAllModemapsFromDatabase(op,nil)
-  null modemaps =>
-    ok := true
-    sayKeyedMsg("S2IF0010",[op1])
-    if SIZE PNAME op1 < 3 then
-      x := UPCASE queryUserKeyedMsg("S2IZ0060",[op1])
-      null MEMQ(STRING2ID_-N(x,1),'(Y YES)) =>
-        ok := nil
-        sayKeyedMsg("S2IZ0061",[op1])
-    ok => apropos [op1]
-  sayNewLine()
-  -- filter modemaps on whether they are exposed
-  mmsE := mmsU := NIL
-  for mm in modemaps repeat
-    isFreeFunctionFromMm(mm) or isExposedConstructor getDomainFromMm(mm) => mmsE := [mm,:mmsE]
-    mmsU := [mm,:mmsU]
-  if mmsE then
-    sayMms(op,mmsE,'"exposed") where
-      sayMms(op,mms,label) ==
-        m := # mms
-        sayMSG
-          m = 1 =>
-            ['"There is one",:bright label,'"function called",
-              :bright op,'":"]
-          ['"There are ",m,:bright label,'"functions called",
-            :bright op,'":"]
-        for mm in mms for i in 1.. repeat
-          sayModemapWithNumber(mm,i)
-  if mmsU then
-    if mmsE then sayNewLine()
-    sayMms(op,mmsU,'"unexposed")
-  nil
-
-formatOpType (form:=[op,:argl]) ==
-  null argl => unabbrev op
-  form2String [unabbrev op, :argl]
-
-formatOperationAlistEntry (entry:= [op,:modemaps]) ==
-  -- alist has entries of the form: ((op sig) . pred)
-  -- opsig on this list => op is defined only when the predicate is true
-  ans:= nil
-  for [sig,.,:predtail] in modemaps repeat
-    pred := (predtail is [p,:.] => p; 'T)
-    -- operation is always defined
-    ans :=
-      [concat(formatOpSignature(op,sig),formatIf pred),:ans]
-  ans
-
-formatOperation([[op,sig],.,[fn,.,n]],domain) ==
-  opSigString := formatOpSignature(op,sig)
-  INTEGERP n and Undef = KAR domain.n =>
-    if INTEGERP $commentedOps then $commentedOps := $commentedOps + 1
-    concat(" --",opSigString)
-  opSigString
-
-formatOpSignature(op,sig) ==
-  concat('%b,formatOpSymbol(op,sig),'%d,": ",formatSignature sig)
-
-formatOpConstant op ==
-  concat('%b,formatOpSymbol(op,'($)),'%d,'": constant")
-
-formatOpSymbol(op,sig) ==
-  if op = 'Zero then op := "0"
-  else if op = 'One then op := "1"
-  null sig => op
-  quad := specialChar 'quad
-  n := #sig
-  (op = 'elt) and (n = 3) =>
-    (CADR(sig) = '_$) =>
-      STRINGP (sel := CADDR(sig)) =>
-        [quad,".",sel]
-      [quad,".",quad]
-    op
-  STRINGP op or GET(op,"Led") or GET(op,"Nud") =>
-    n = 3 =>
-      if op = 'SEGMENT then op := '".."
-      op = 'in => [quad,'" ",op,'" ",quad]
--- stop exquo from being displayed as infix (since it is not accepted
--- as such by the interpreter)
-      op = 'exquo => op
-      [quad,op,quad]
-    n = 2 =>
-      not GET(op,"Nud") => [quad,op]
-      [op,quad]
-    op
-  op
-
-formatAttribute x ==
-  atom x => ["  ",x]
-  x is [op,:argl] =>
-    for x in argl repeat
-      argPart:= NCONC(argPart,concat(",",formatAttributeArg x))
-    argPart => concat("  ",op,"_(",rest argPart,"_)")
-    ["  ",op]
-
-formatAttributeArg x ==
-  STRINGP x and x ='"*" => "_"*_""
-  atom x => formatOpSymbol (x,nil)
-  x is [":",op,["Mapping",:sig]] =>
-    concat('%b,formatOpSymbol(op,sig),": ",'%d,formatMapping sig)
-  prefix2String0 x
-
-formatMapping sig ==
-  "STRCONC"/concat("Mapping(",formatSignature sig,")")
-
-dollarPercentTran x ==
-    -- Translate $ to %. We actually return %% so that the message
-    -- printer will display a single %
-    x is [y,:z] =>
-        y1 := dollarPercentTran y
-        z1 := dollarPercentTran z
-        EQ(y, y1) and EQ(z, z1) => x
-        [y1, :z1]
-    x = "$" or x = '"$" => "%%"
-    x
-
-formatSignatureAsTeX sig == 
-  $formatSigAsTeX: local := 2
-  formatSignature0 sig
-
-formatSignature sig ==
-  $formatSigAsTeX: local := 1
-  formatSignature0 sig
-
-formatSignatureArgs sml ==
-  $formatSigAsTeX: local := 1
-  formatSignatureArgs0 sml
-  
-formatSignature0 sig ==
-  null sig => "() -> ()"
-  INTEGERP sig => '"hashcode"
-  [tm,:sml] := sig
-  sourcePart:= formatSignatureArgs0 sml
-  targetPart:= prefix2String0 tm
-  dollarPercentTran concat(sourcePart,concat(" -> ",targetPart))
-
-formatSignatureArgs0(sml) ==
--- formats the arguments of a signature
-  null sml => ["_(_)"]
-  null rest sml => prefix2String0 first sml
-  argList:= prefix2String0 first sml
-  for m in rest sml repeat
-    argList:= concat(argList,concat(",",prefix2String0 m))
-  concat("_(",concat(argList,"_)"))
-
---% Conversions to string form
-
-expr2String x ==
-  atom (u:= prefix2String0 x) => u
-  "STRCONC"/[atom2String y for y in u]
-
--- exports (this is a badly named bit of sillyness)
-prefix2StringAsTeX form ==
-  form2StringAsTeX form
-
-prefix2String form ==
-  form2String form
-
--- local version
-prefix2String0 form ==
-  form2StringLocal form
-
---  SUBRP form => formWrapId BPINAME form
---  atom form =>
---    form=$EmptyMode or form=$quadSymbol => formWrapId specialChar 'quad
---    STRINGP form => formWrapId form
---    IDENTP form => 
---      constructor? form => app2StringWrap(formWrapId form, [form])
---      formWrapId form
---    formWrapId STRINGIMAGE form
-
-form2StringWithWhere u ==
-  $permitWhere : local := true
-  $whereList: local := nil
-  s:= form2String u
-  $whereList => concat(s,'%b,'"where",'%d,"%i",$whereList,"%u")
-  s
-
-form2StringWithPrens form ==
-  null (argl := rest form) => [first form]
-  null rest argl => [first form,"(",first argl,")"]
-  form2String form
-
-formString u ==
-  x := form2String u
-  atom x => STRINGIMAGE x
-  "STRCONC"/[STRINGIMAGE y for y in x]
-
-form2String u == 
-  $formatSigAsTeX: local := 1
-  form2StringLocal u
-
-form2StringAsTeX u == 
-  $formatSigAsTeX: local := 2
-  form2StringLocal u
-
-form2StringLocal u ==
---+
-  $NRTmonitorIfTrue : local := nil
-  $fortInts2Floats  : local := nil
-  form2String1 u
-
-constructorName con ==
-  $abbreviateTypes => abbreviate con
-  con
-
-form2String1 u ==
-  ATOM u => 
-    u=$EmptyMode or u=$quadSymbol => formWrapId specialChar 'quad
-    IDENTP u =>
-      constructor? u => app2StringWrap(formWrapId u, [u])
-      u
-    SUBRP u => formWrapId BPINAME u
-    STRINGP u => formWrapId u
-    WRITE_-TO_-STRING formWrapId u
-  u1 := u
-  op := CAR u
-  argl := CDR u
-  op='Join or op= 'mkCategory => formJoin1(op,argl)
-  $InteractiveMode and (u:= constructor? op) =>
-    null argl => app2StringWrap(formWrapId constructorName op, u1)
-    op = "NTuple"  => [ form2String1 first argl, "*"]
-    op = "Map"     => ["(",:formatSignature0 [argl.1,argl.0],")"]
-    op = 'Record => record2String(argl)
-    null (conSig := getConstructorSignature op) =>
-      application2String(constructorName op,[form2String1(a) for a in argl], u1)
-    ml := rest conSig
-    if not freeOfSharpVars ml then
-      ml:=SUBLIS([[pvar,:val] for pvar in $FormalMapVariableList
-        for val in argl], ml)
-    argl:= formArguments2String(argl,ml)
-      -- extra null check to handle mutable domain hack.
-    null argl => constructorName op
-    application2String(constructorName op,argl, u1)
-  op = "Mapping" => ["(",:formatSignature argl,")"]
-  op = "Record" => record2String(argl)
-  op = 'Union  =>
-    application2String(op,[form2String1 x for x in argl], u1)
-  op = ":" =>
-      null argl => [ '":" ]
-      null rest argl => [ '":", form2String1 first argl ]
-      formDecl2String(argl.0,argl.1)
-  op = "#" and PAIRP argl and LISTP CAR argl =>
-    STRINGIMAGE SIZE CAR argl
-  op = 'Join => formJoin2String argl
-  op = "ATTRIBUTE" => form2String1 first argl
-  op='Zero => 0
-  op='One => 1
-  op = 'AGGLST => tuple2String argl
-  op = 'BRACKET =>
-    argl' := form2String1 first argl
-    ["[",:(atom argl' => [argl']; argl'),"]"]
-  op = "SIGNATURE" =>
-     [operation,sig] := argl
-     concat(operation,": ",formatSignature sig)
-  op = 'COLLECT => formCollect2String argl
-  op = 'construct =>
-    concat(lbrkSch(),
-           tuple2String [form2String1 x for x in argl],rbrkSch())
-  op = "SEGMENT" =>
-    null argl => '".."
-    lo := form2String1 first argl
-    argl := rest argl
-    (null argl) or null (first argl) => [lo, '".."]
-    [lo, '"..", form2String1 first argl]
-  isBinaryInfix op => fortexp0 [op,:argl]
-  -- COMPILED_-FUNCTION_-P(op) => form2String1 coerceMap2E(u1,NIL)
-  application2String(op,[form2String1 x for x in argl], u1)
-
-formWrapId id == 
-  $formatSigAsTeX = 1 => id
-  $formatSigAsTeX = 2 => 
-    sep := '"`"
-    FORMAT(NIL,'"\verb~a~a~a",sep, id, sep)
-  error "Bad formatSigValue"
-
-formArguments2String(argl,ml) == [fn(x,m) for x in argl for m in ml] where
-  fn(x,m) ==
-    x=$EmptyMode or x=$quadSymbol => specialChar 'quad
-    STRINGP(x) or IDENTP(x) => x
-    x is [ ='_:,:.] => form2String1 x
-    isValidType(m) and PAIRP(m) and
-      (GETDATABASE(first(m),'CONSTRUCTORKIND) = 'domain) =>
-        (x' := coerceInteractive(objNewWrap(x,m),$OutputForm)) =>
-          form2String1 objValUnwrap x'
-        form2String1 x
-    form2String1 x
-
-formDecl2String(left,right) ==
-  $declVar: local := left
-  whereBefore := $whereList
-  ls:= form2StringLocal left
-  rs:= form2StringLocal right
-  NE($whereList,whereBefore) and $permitWhere => ls
-  concat(form2StringLocal ls,'": ",rs)
-
-formJoin1(op,u) ==
-  if op = 'Join then [:argl,last] := u else (argl := nil; last := [op,:u])
-  last is [id,.,:r] and id in '(mkCategory CATEGORY) =>
-    $abbreviateJoin = true => concat(formJoin2 argl,'%b,'"with",'%d,'"...")
-    $permitWhere = true =>
-      opList:= formatJoinKey(r,id)
-      $whereList:= concat($whereList,"%l",$declVar,": ",
-        formJoin2 argl,'%b,'"with",'%d,"%i",opList,"%u")
-      formJoin2 argl
-    opList:= formatJoinKey(r,id)
-    suffix := concat('%b,'"with",'%d,"%i",opList,"%u")
-    concat(formJoin2 argl,suffix)
-  formJoin2 u
-
-formatJoinKey(r,key) ==
-  key = 'mkCategory =>
-    r is [opPart,catPart,:.] =>
-      opString :=
-        opPart is [='LIST,:u] =>
-          "append"/[concat("%l",formatOpSignature(op,sig),formatIf pred)
-            for [='QUOTE,[[op,sig],pred]] in u]
-        nil
-      catString :=
-        catPart is [='LIST,:u] =>
-          "append"/[concat("%l",'" ",form2StringLocal con,formatIf pred)
-            for [='QUOTE,[con,pred]] in u]
-        nil
-      concat(opString,catString)
-    '"?? unknown mkCategory format ??"
-  -- otherwise we have the CATEGORY form
-  "append"/[fn for x in r] where fn ==
-    x is ['SIGNATURE,op,sig] => concat("%l",formatOpSignature(op,sig))
-    x is ['ATTRIBUTE,a] => concat("%l",formatAttribute a)
-    x
-
-formJoin2 argl ==
--- argl is a list of categories NOT containing a "with"
-  null argl => '""
-  1=#argl => form2StringLocal argl.0
-  application2String('Join,[form2StringLocal x for x in argl], NIL)
-
-formJoin2String (u:=[:argl,last]) ==
-  last is ["CATEGORY",.,:atsigList] =>
-    postString:= concat("_(",formTuple2String atsigList,"_)")
-    #argl=1 => concat(first argl,'" with ",postString)
-    concat(application2String('Join,argl, NIL)," with ",postString)
-  application2String('Join,u, NIL)
-
-formCollect2String [:itl,body] ==
-  ["_(",body,:"append"/[formIterator2String x for x in itl],"_)"]
-
-formIterator2String x ==
-  x is ["STEP",y,s,.,:l] =>
-    tail:= (l is [f] => form2StringLocal f; nil)
-    concat("for ",y," in ",s,'"..",tail)
-  x is ["tails",y] => concat("tails ",formatIterator y)
-  x is ["reverse",y] => concat("reverse ",formatIterator y)
-  x is ["|",y,p] => concat(formatIterator y," | ",form2StringLocal p)
-  x is ["until",p] => concat("until ",form2StringLocal p)
-  x is ["while",p] => concat("while ",form2StringLocal p)
-  systemErrorHere "formatIterator"
-
-tuple2String argl ==
-  null argl => nil
-  string := first argl
-  if string in '("failed" "nil" "prime" "sqfr" "irred")
-    then string := STRCONC('"_"",string,'"_"")
-    else string :=
-      ATOM string => object2String string
-      [f x for x in string] where
-        f x ==
-          ATOM x => object2String x
-          -- [f CAR x,:f CDR x]
-          [f y for y in x]
-  for x in rest argl repeat
-    if x in '("failed" "nil" "prime" "sqfr" "irred") then
-      x := STRCONC('"_"",x,'"_"")
-    string:= concat(string,concat(",",f x))
-  string
-
-script2String s ==
-  null s => '""   -- just to be safe
-  if not PAIRP s then s := [s]
-  linearFormatForm(CAR s, CDR s)
-
-linearFormatName x ==
-  atom x => x
-  linearFormat x
-
-linearFormat x ==
-  atom x => x
-  x is [op,:argl] and atom op =>
-    argPart:=
-      argl is [a,:l] => [a,:"append"/[[",",x] for x in l]]
-      nil
-    [op,"(",:argPart,")"]
-  [linearFormat y for y in x]
-
-numOfSpadArguments id ==
-  char("*") = (s:= PNAME id).0 =>
-      +/[n for i in 1.. while INTEGERP (n:=PARSE_-INTEGER PNAME s.i)]
-  keyedSystemError("S2IF0012",[id])
-
-linearFormatForm(op,argl) ==
-  s:= PNAME op
-  indexList:= [PARSE_-INTEGER PNAME d for i in 1.. while
-    (DIGITP (d:= s.(maxIndex:= i)))]
-  cleanOp:= INTERN ("STRCONC"/[PNAME s.i for i in maxIndex..MAXINDEX s])
-  fnArgs:=
-    indexList.0 > 0 =>
-      concat('"(",formatArgList take(-indexList.0,argl),'")")
-    nil
-  if #indexList > 1 then
-    scriptArgs:= formatArgList take(indexList.1,argl)
-    argl := drop(indexList.1,argl)
-    for i in rest rest indexList repeat
-      subArglist:= take(i,argl)
-      argl:= drop(i,argl)
-      scriptArgs:= concat(scriptArgs,";",formatArgList subArglist)
-  scriptArgs:=
-    scriptArgs => concat(specialChar 'lbrk,scriptArgs, specialChar 'rbrk)
-    nil
-  l := [(STRINGP f => f; STRINGIMAGE f) for f in
-       concat(cleanOp,scriptArgs,fnArgs)]
-  "STRCONC"/l
-
-formatArgList l ==
-  null l => nil
-  acc:= linearFormat first l
-  for x in rest l repeat
-    acc:= concat(acc,",",linearFormat x)
-  acc
-
-formTuple2String argl ==
-  null argl => nil
-  string:= form2StringLocal first argl
-  for x in rest argl repeat
-    string:= concat(string,concat(",",form2StringLocal x))
-  string
-
-isInternalFunctionName(op) ==
-  (not IDENTP(op)) or (op = "*") or (op = "**") => NIL
-  (1 = SIZE(op':= PNAME op)) or (char("*") ^= op'.0) => NIL
-  -- if there is a semicolon in the name then it is the name of
-  -- a compiled spad function
-  null (e := STRPOS('"_;",op',1,NIL)) => NIL
-  (char(" ") = (y := op'.1)) or (char("*") = y) => NIL
-  table := MAKETRTTABLE('"0123456789",NIL)
-  s := STRPOSL(table,op',1,true)
-  null(s) or s > e => NIL
-  SUBSTRING(op',s,e-s)
-
-application2String(op,argl, linkInfo) ==
-  null argl =>
-    (op' := isInternalFunctionName(op)) => op'
-    app2StringWrap(formWrapId op, linkInfo)
-  1=#argl =>
-    first argl is ["<",:.] => concat(op,first argl)
-    concat(app2StringWrap(formWrapId op, linkInfo)," ",first argl)
---op in '(UP SM) =>
---  newop:= (op = "UP" => "P";"M")
---  concat(newop,concat(lbrkSch(),argl.0,rbrkSch(),argl.1))
---op='RM  =>concat("M",concat(lbrkSch(),
---                     argl.0,",",argl.1,rbrkSch(),argl.2))
---op='MP =>concat("P",concat(argl.0,argl.1))
-  op='SEGMENT =>
-    null argl => '".."
-    (null rest argl) or (null first rest argl) =>
-      concat(first argl, '"..")
-    concat(first argl, concat('"..", first rest argl))
-  concat(app2StringWrap(formWrapId op, linkInfo) ,
-                        concat("_(",concat(tuple2String argl,"_)")))
-
-app2StringConcat0(x,y) ==
-  FORMAT(NIL, '"~a ~a", x, y)
-
-app2StringWrap(string, linkInfo) ==
-  not linkInfo => string
-  $formatSigAsTeX = 1 => string
-  $formatSigAsTeX = 2 =>
-    str2 :=  "app2StringConcat0"/form2Fence linkInfo
-    sep := '"`"
-    FORMAT(NIL, '"\lispLink{\verb!(|conPage| '~a)!}{~a}", 
-          str2, string)
-  error "Bad value for $formatSigAsTeX"
-
-record2String x ==
-  argPart := NIL
-  for [":",a,b] in x repeat argPart:=
-    concat(argPart,",",a,": ",form2StringLocal b)
-  null argPart => '"Record()"
-  concat("Record_(",rest argPart,"_)")
-
-plural(n,string) ==
-  suffix:=
-    n = 1 => '""
-    '"s"
-  [:bright n,string,suffix]
-
-formatIf pred ==
-  not pred => nil
-  pred in '(T (QUOTE T)) => nil
-  concat('%b,'"if",'%d,pred2English pred)
-
-formatPredParts s ==
-  s is ['QUOTE,s1] => formatPredParts s1
-  s is ['LIST,:s1] => [formatPredParts s2 for s2 in s1]
-  s is ['devaluate,s1] => formatPredParts s1
-  s is ['getDomainView,s1,.] => formatPredParts s1
-  s is ['SUBST,a,b,c] =>    -- this is a signature
-    s1 := formatPredParts SUBST(formatPredParts a,b,c)
-    s1 isnt [fun,sig] => s1
-    ['SIGNATURE,fun,[formatPredParts(r) for r in sig]]
-  s
-
-pred2English x ==
-  x is ['IF,cond,thenClause,elseClause] =>
-    c := concat('"if ",pred2English cond)
-    t := concat('" then ",pred2English thenClause)
-    e := concat('" else ",pred2English elseClause)
-    concat(c,t,e)
-  x is ['AND,:l] =>
-    tail:="append"/[concat(bright '"and",pred2English x) for x in rest l]
-    concat(pred2English first l,tail)
-  x is ['OR,:l] =>
-    tail:= "append"/[concat(bright '"or",pred2English x) for x in rest l]
-    concat(pred2English first l,tail)
-  x is ['NOT,l] =>
-    concat('"not ",pred2English l)
-  x is [op,a,b] and op in '(has ofCategory) =>
-    concat(pred2English a,'%b,'"has",'%d,form2String abbreviate b)
-  x is [op,a,b] and op in '(HasSignature HasAttribute HasCategory) =>
-    concat(prefix2String0 formatPredParts a,'%b,'"has",'%d,
-      prefix2String0 formatPredParts b)
-  x is [op,a,b] and op in '(ofType getDomainView) =>
-    if b is ['QUOTE,b'] then b := b'
-    concat(pred2English a,'": ",form2String abbreviate b)
-  x is [op,a,b] and op in '(isDomain domainEqual) =>
-    concat(pred2English a,'" = ",form2String abbreviate b)
-  x is [op,:.] and (translation := LASSOC(op,'(
-    (_< . " < ") (_<_= . " <= ")
-      (_> . " > ") (_>_= . " >= ") (_=  . " = ") (_^_= . " _^_= ")))) =>
-        concat(pred2English a,translation,pred2English b)
-  x is ['ATTRIBUTE,form] =>
-    concat("attribute: ",form2String form)
-  form2String x
-
-object2String x ==
-  STRINGP x => x
-  IDENTP x  => PNAME x
-  NULL x    => '""
-  PAIRP  x  => STRCONC(object2String first x, object2String rest x)
-  WRITE_-TO_-STRING x
-
-object2Identifier x ==
-  IDENTP x  => x
-  STRINGP x => INTERN x
-  INTERN WRITE_-TO_-STRING x
-
-blankList x == "append"/[[BLANK,y] for y in x]
---------------------> NEW DEFINITION (see cformat.boot.pamphlet)
-pkey keyStuff ==
-    if not PAIRP keyStuff then keyStuff := [keyStuff]
-    allMsgs := ['" "]
-    while not null keyStuff repeat
-        dbN := NIL
-        argL := NIL
-        key := first keyStuff
-        keyStuff := IFCDR keyStuff
-        next := IFCAR keyStuff
-        while PAIRP next repeat
-            if CAR next = 'dbN then dbN := CADR next
-            else argL := next
-            keyStuff  := IFCDR keyStuff
-            next      := IFCAR keyStuff
-        oneMsg  := returnStLFromKey(key,argL,dbN)
-        allMsgs := ['" ", :NCONC (oneMsg,allMsgs)]
-    allMsgs
-
-string2Float s ==
-  -- takes a string, calls the parser on it and returns a float object
-  p := ncParseFromString s
-  p isnt [["$elt", FloatDomain, "float"], x, y, z] =>
-    systemError '"string2Float: did not get a float expression"
-  flt := getFunctionFromDomain("float", FloatDomain,
-    [$Integer, $Integer, $PositiveInteger])
-  SPADCALL(x, y, z, flt)
-
-
-
-form2Fence form == 
-  -- body of dbMkEvalable
-  [op, :.] := form
-  kind := GETDATABASE(op,'CONSTRUCTORKIND)
-  kind = 'category => form2Fence1 form
-  form2Fence1 mkEvalable form
-
-form2Fence1 x ==
-  x is [op,:argl] =>
-    op = 'QUOTE => ['"(QUOTE ",:form2FenceQuote first argl,'")"]
-    ['"(", FORMAT(NIL, '"|~a|", op),:"append"/[form2Fence1 y for y in argl],'")"]
-  IDENTP x => FORMAT(NIL, '"|~a|", x)
---  [x]
-  ['"  ", x]
-
-form2FenceQuote x ==
-  NUMBERP x => [STRINGIMAGE x]
-  SYMBOLP x => [FORMAT(NIL, '"|~a|", x)]
-  atom    x => '"??"   
-  ['"(",:form2FenceQuote first x,:form2FenceQuoteTail rest x]
-
-form2FenceQuoteTail x ==
-  null x => ['")"]
-  atom x => ['" . ",:form2FenceQuote x,'")"]
-  ['" ",:form2FenceQuote first x,:form2FenceQuoteTail rest x]
-
-form2StringList u ==
-  atom (r := form2String u) => [r]
-  r