COMMENT ⊗   VALID 00011 PAGES
C REC  PAGE   DESCRIPTION
C00001 00001
C00002 00002	1
C00003 00003	→foo.bar
C00005 00004	→foo.bar
C00007 00005	→foo.bar
C00009 00006	→foo.bar
C00011 00007	→foo.bar
C00013 00008	→foo.bar
C00016 00009	→foo.bar
C00018 00010	→foo.bar
C00021 00011	→foo.bar
C00031 ENDMK
C⊗;
1
→foo.bar
2
∂21-Jan-82  2053	George J. Carrette <GJC at MIT-MC> 
Date: 21 January 1982 23:50-EST
From: George J. Carrette <GJC at MIT-MC>
To: Morrison at UTAH-20
cc: RMS at MIT-AI, common-lisp at SU-AI

My experience with running macsyma in maclisp and lispm is thatwhat
happens is that compatibility features are not quite compatible, and
that gross amounts of tweeking beyond the scope of a possibility in
FORTRAN 77 goes on. Much of the tweeking takes the form of adding
another layer of abstraction through macros, not using ANY known form
of lisp, buT one which is a generalization, and obscure to anyone but
a macsyma-lisp hacker. At the same time the *really* gross old code
gets rewritten, when significant new features are provided, like
Pathnames.

Anyway, in NIL I wanted to get up macsyma as quickly as possible
without grossing out RLB or myself, or overloading NIL with so many
compatibility features, as happened in the Lispmachine. Also there
was that bad-assed T and NIL problem we only talked about a little
at the common-lisp meeting. [However, more severe problems, like the
fact that macsyma would not run with error-checking in CAR/CDR 
had already been fixed by smoking it out on the Lispmachine.]



→foo,bar
3
∂21-Jan-82  2053	George J. Carrette <DG∃ε↓ChA≠%([≠εx@~∃	¬iJt@HbA∃C9kCerbrpddftj@['(4∃
e←4tA∂K=eOJA(\AπCIeKii∀@y∂∃AChA5∪(@6l→x$*&yiα↔⎇∪K'O}qβπQ¬*Rε!i⊃@4≡→iαJm→βπQ∧j&QX→∩bε=yVn}e]FO∨∧↔"¬:UTHQ!PTo∀WGε↑-⊗.v<Tπ>OM∧π↔.mm⊗v:
\⊗∨∨≥\∩εNd
V∞≡M≡7αε≥lBεf≡>εjε≡4π&F≡@λ∞⎇_=β!-_<∀]\h~.∀≥~_.D_{{.=~8M≥~=≡$Y8=∞↑Y<h≡Y(≠M}λ≤=-≡→(⊂m⎇<_=
≤[→+∧9Yβ!.~_=∧|[|n4_;;n]]≤h
|H≥≥l\:z;Lt_Y>-⎇Yλ≥
(≤xm}→(≠ld_(≤
}|z8M≥~=≡$
;C"HitU∀H→H
md{y<d
{K@	↑8zλ
|H≥~T≥≥y,]z;Yd∞_:y.4≥~→$[|[$
yH_,L~;YaQX;[nM→<H
L>9<D
yH_,.⎇≤X,>~;{D∞~≤[n\zλ≠,≤|[|eD≠[⎇∧∞<z;Lt⊂3V$
{[⎇md→[tMQ"[qD
~<|¬D_]0~λ7w2P≥t4qtλ4yP0H3rw2\0v4⎇_z4ww⊂0w2λ7q9q]y2P:≠P0w<[w2P1≥zεE0H6pqy↑vpVv~yx⊂4_qury⊂ z⊂≥42P9XvrP:~vrP:~2P∃9→pv6<J⊂3y7\yP7v→⊂1wr→FE3r]9P92]y4z:→w⊗⊂;Z2w⊂9Zsw4s~qpw:λ72{P→2pz:\2yP0\2P8 2ovided, like
Pathnames.

Anyway, in NIL I wanted to gat up macsymaas quickly as possible¬
@]SiQ←UhAOe=cgS]≤A←kh↓%→∧A=dA[sMKYLX↓←dA←YKeY←¬ISMNαα0∀LD∞vO&∧∞6zε\≥gHh,9voε≡M⊗⊗NM≡GJεlXλ.N<Y<eD_<h
<≤⊂∩[2r⊂4[⊂:42H&4yx≠pqt4[2W⊂ [9wP*~2y2FB9pyP≥40z bad-aqsed↓(AC]⊂A≥∪_↓ae←E1KZAo∀A←]YdAaCY-KHAC	←khAα	β3''#3∀Q(↔"πMRε≡⎇]V}r]M↔>λ≠9,↑~;Yed⊗r≠n|α{2`2, moRe seVere Prh∂EYα+7MDλ
≥y(⊂~~2@
@→CGhAβ##πQ∧¬V∞∨?_,∀≥{u-Lλ≠[nD≤Y0↔λ;tz4λ2y97\⊗qt2Xutw3H4p∞ CAR/CDR 
Ha` already bee@8AM@'F+⊃βJβO7?↑K;≥βLεBε@⎇=⊂≠w⊂:4→P"4`3phCG!S]J]t~∀4Ph ⊂@ @↓C9[p↔Kαba`$4⊂h~∀<db[∃¬\Z`!⊂∧αβ∪∧V0L>]xL@p¬ J. Carrette <@∂*~βπQαlJQ66≠q$(L↔&+αHF∀⊂¬0w≥py<P\Xλ $α↓IMi+↓6⊗N h*7-yS@$⊃y0↔\3rP%⊂!py≤2z:2H≤#e!H0z⊂&Rj⊂
MC>λ
∃)<tA7|ε'-<{p↔λ0z⊂*U d⊗@20
∃Gp	αJm→βπQ∧j&QX→∩bε=x-]{K;
≡|λ_.D∀u+(→!"C!)>(⊃/∞→<Z,]Xy(∞⎇=~∞:s74[3P6pXy|vpH4w⊂6Xqv4y\⊂0w2λ64yx≠P4yP≥40z wha`(4∃QCaββ↔;M∧K@~πM↔"ε=yWε∂M≤&Nf≡O∩ε6\≡G/⊗↑4ε∂⊗T
f␈"∞≡VO&Tλ6}o≡FN⊗LUBε∞βYβ!.~_=∧|[|n∀_;;n]]≤h
|H≥≥l\8¬tw→P12|[w2⊂:~2P9`#ope Od∧ABAββ?OOL∧&Nf≡O∩εNaQ$4⎇*J$Rεp
d{y<d
{K@⊂∪zqt⊂≠pε the tweeking p	CW∃bAiQ∀AM@?⊗iβ/→ε∪∪'m
of lisp, buT one which is a generalization, and obscure to anyone but
a macsyma-lisp hacker. At the same time the *really* gross old code
gets rewritten, when significant new features are provided, like
Pathnames.

Anyway, in NIL I wanted to get up macsyma as quickly as possible
without grossing out RLB or myself, or overloading NIL with so many
compatibility features, as happened in the Lispmachine. Also there
was thatbad-assed T and NIL problem we only talked about a little
at the common-lisp meeting. [HoweveR, more severe problems, like the
fact that macsyma would not run with error-checking in CAR/CDR 
had already been fixed by smoking it out on the Lispmachine.]



→foo.bar
5
∂21-Jan-82  2053	George J. Carrette <GJC at MIT-MC> 
Date: 21 January 1982 23:50-EST
From: George J. Carrette <GJC at MIT%MC>
To: Morrison at UTAH-20
cc: RMS at MIT ≠β$XAG←5[←\[1Sg`A¬hA'*5β∩~∀4∃≠rA∃qaKe%K]GJ↓oSiP↓ek]]%]NA[¬Ggs[∧AS\A5CGYSM`AC]⊂AYSgAZASf↓iQChαβ←#π h+#ππβ↔;MεKMβSFQβ∂}kCπSN∪'3''Iβ≠↔∂#WK↔~βπK∃εs?Qβ∂+'S∃ε≠?7C∂#'3*aβπ; h+S#∂!β∨K␈≠Mβπn{W;S~β?→β';↔↔/Ns≥β/K?;⊃π##∃β≡≠?C∃ε{→β¬πβ?OON∪'3''Iβ'8hR~>J%∩ε9↓;9β∨?/→β?9rα7W∂Bβ?→β&C∃βS>+↔/'v9βSπ↑+MβSF)β≠?⊗iβ?→ε∪∪'v84+πv{S#↔∩β3πg/⊃β?→εOS⊗∂S'}qβS#⊗{W∨!εkπ∂K␈→1β;␈!βWONs≥αεuIβ/;␈;9β≠␈∪44+}1β3'∨↓1β,εBε}lTπ>F≤=αεO4∩ε>]lW⊗∞M∨&∂&≥⎇bbε≥lBε}.<7/⊗T∞Fzε≥o⊗}vT'/ Q,∩εn≤>7Nn∃]FO∨∧
ε∞≡<↑"r∧≡Dπ&FT∞6∞nT∞FNnT∞FF*¬.&.∞MO∩Rε}-w∨~
⎇F"ε=|F(h,|W'~∞,W?⊗≡NF.rD∞vF.d∞6N>m≤fN≡≥nBεv↑tε6.≡NW⊗/4↔⊗*∞∞&␈6≤LV"b
M⊗↑(Q*ε∂&
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}W"ε}-w∨≡≥lrε␈↑D¬∀d$
w∩ε←≡6.feDε␈∩
}f/⊗M|⊗&Nlp∧tLD∞vO&∧∞6zε\≥gHh,=voε≡M⊗⊗NM≡GJεlX↔'/,↑2bε≡4εF∂∞Vv.D
⊗rπMR∧f≡>εn∞=
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V∞∨?≥V
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mw"π.]bπ>≡Mαε/.-w∩n=V≡↑≥lrεNdλ4
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≡Bε␈↑Dε}r∞Mε*∧M≡7εn≤=εNvUkPhPQ!PPh aNm⎇rv⊗≡!PS0Q!s∪
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∧,≥g.∂/∀βKε$β∪≠&Vαl-:APT7-⎇SR∧|]w⊗>T	"r∧<≡'⊗/NLRβdy(2ε∂D	TM"YX3ph*MsR∧]}'⊗O=⎇bε∂D
U$¬V#h,<3R¬)Z2ε∂D	TM"X→∩bε=⎇Vn}e]FO∨∧↔"¬:UTHQ!PTo∀WGε↑-⊗.v<Tπ>OM∧π↔.mm⊗v:
\⊗∨∨≥\∩εNd
V∞≡M≡7αε≥lBεf≡>εjε≡4π&F≡Dπ>F≡APVF≡∞ε.w4
↔~πM↔"ε=⎇Wε∂M≤&Nf≡O∩ε6\≡G/⊗↑4ε∂⊗T
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v2ε∀∞ε␈∨=≤&Nf≡O∩εNaQ$4⎇*J$rεvrε>|↑2ε}ed∧o.=∧ε}2∞Mε*πN|V.↑≥lrπ&≥<W~πMRε6}-Rε}d⊗&&≥lphV≥mw&F↑$εf∂≤↑"ε}d⊗↔∨N,⊗∨&≥⎇bπ&∞-w.>∧
V∞∨-}2bεm}Bπ/=≥f:∧→k∩ε↑m}vrεm}&hh-|bεf≡>αbε.↑Bε}lTπ>F≤=αεO4∩ε>]lW⊗∞M∨&∂&≥⎇bbε≥lBε}.<7/⊗T∞Fzε≥o⊗}vT'/ Q,∩εn≤>7Nn∃]FO∨∧
ε∞≡<↑"r∧≡Dπ&FT∞6∞nT∞FNnT∞FF*¬.&.∞MO∩Rε}-w∨~
⎇F"ε=|F(h,|W'~∞,W?⊗≡NF.rD∞vF.d∞6N>m≤fN≡≥nBεv↑tε6.≡NW⊗/4↔⊗*∞∞&␈6≤LV"b
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}W"ε}-w∨≡≥lrε␈↑D¬∀d$
w∩ε←≡6.feDε␈∩
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⊗rπMR∧f≡>εn∞=
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88z
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,a_y;|L|(∩KDλx<\L↑≥→(πHrPh≡λ∪2*E30oD↓"Q_.L.HF∀∩X;N\<↑(ε↔.Hε&nM,¬X4uβ!(\[{'$⊃y;n,y(∩Ed⊂x<N,=≥→$π⊃rPd=λ∪)~30ga"U≠g$∪;|N-<{{D=λ∃*H2,F↓"Xxg$∀S4d=λ∪)~	02%D_{{-]{K;
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;H≠,≤{~<n∧_;Y∧
~<|
T~<h∞M_=λ∞⎇_=β!-_<≤]\h~.4≥~_.D_{{.=~8M≥~=≡$Y8=∞↑Y<h≡Y(≠M}λ≤=-≡→(_m⎇<_=
≤[→+∧;Yβ!.~_=∧|[|n4_;;n]]≤h
|H≥≥l\:z;Lt_Y>-⎇Yλ≥
(≤xm}→(≠ld_(≤
}|z8M≥~=≡$
;C"HitU∀H→H
md{y<d
{KH	↑8zλ
|H≥~T≥≥y,]z;Yd∞_:y.4≥~→$[|[$
yH_,L~;YaQX;[nM→<H
L>9<D
yH_,.⎇≤X,>~;{D∞~≤[n\zλ≠,≤|[|eD≠[⎇∧∞<z;Lt⊂3V$
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~<|¬D_]5∧
{Y(∞⎇~8z∧
<h_$y;Y.,;~>L≡~;{ED_;Y∧
x\xn↑Y(≥
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88|o≥8+;
≡|λ~≤zy<Ed⊂=λ∞M→(≤l≥9(≥
≥9(≥
(
\L\;≠≡%$→|[n>h≠{D_{yQ"Yy.Nh≤Y.}Z=≥]Kλ≥m;H≤m≤{Z9M≤x;]∧
Y=hl8=≥.,<h_.,(≤≤M}Z9→,Eλ≠~-<#"T≡~≠X-\<kC!!"P;O≡x>+∧
;H∪I→λ∩(∞|;]→,D≥≠h|=λ≥.∧≠88n?;8(≡h≤=-≤z{≡$<h≤
}|z8ML#"]m≡~≠⎇.D→|[n>z;Yd
⎇=λ
)⊂H≠n$≠><l]→Kλ
}H≠⎇L↑[≠x,M;Yh	i3λ≥m≡~λ≤mt≠8;O⊃"X{m↑_=~,-;~=∂∀→Y8.N<Y<eD_<h
<≤→-l9λ~-d≥~→$	~<|
\8z~-l+H⊂-N{h≥
<Y#!.x<h∞M_=⊂_0r⊗p\yrr∃⊂0w2λ'$f⊂≤97q6→vP;rH7w6<H:0v5Yr⊂0q≠zz⊂ H64z:≠2FE0]⊂:42H1wvv[w⊗v4\x⊂6rYz4w3K⊂-d7]r{2i⊂6wy→P9r{→y2P8≤7q62[yV⊂6~urP*~2FE3_qz⊂:~0z⊂6Xqy|vXP;wz[2⊂77]⊂9:wλ;tz4λ2y97\⊗qt2Xutw3H4w⊂!Pi↔ab∀⊂εE4_r⊂0v≤2pr<H12rwλ34|2Y⊂1<P≤vwut[3P4zλ7zz≠w⊂:4→P&4y\6pqt~w2W.CEεEεBεEβs7wK10yεB≤εEπL_Ve0[⊗\→⊂λ→_~YBcrw`2ga J. Carrette <GBC at MIT-MC> 
αDate: 21 January 1982 23:50-EST
From: George J. Carrette <GJC at MIT ≠≠|~∃)<tA≠←IeSg←8AChAU)β⊂ZH`~¬GtA%≠LAChA5∪(@6I1β∂}k7?9nc'OAεQαN*jε$4Ph*7eε+cC↔⊗K↔;∂*β←'SBβKW;vK;≥βn∂Ogn	β'9εkπ∂3O≠Aβπv!β3'∨β5β'~βS#π ∧π>F≤APVF≡
ε.w4	↔
πM↔"ε=⎇Wε∂M≤&Nf≡O∩ε6\≡G/⊗↑4ε∂⊗T
f␈"∞≡VO&T6}o≡FN⊗LUBε∞lAPW&≡Bε?-}7~ε≥]w.wN4ε}2∞Nv..=≥f:ε,←⊗}vD∞FF*∞86␈εT
v2ε∀∞ε␈∨=≤&Nf≡O∩εNaQ$4⎇*J$rεrrε>|↑2ε}e`λ	↑8zλ
|H≥~T≥≥y,]z;Yd∞_:y.4≥~→$Y|[$
yH_,L~;YaQX;[nM→<@
L>94D
yH_,.⎇≤X,>~;{D∞~≤[n\zλ≠,≤|[|eD≠[⎇∧∞<z;LT⊂3V$
{[⎇md→[p→≠FE7cλ64yx⊂1:`4 one which is a generalization, and kbsCure to anyone but
a macsyma-lisp hacker. At the same @QS[JAβ##∃↓Tε&.∞MO∩Rε}-w∨~
yF"ε=x	Q"Yy.Nh≤Y.}Z=≥]Kλ≥m;H≤m≤{Z1M≤x;]∧
Y=`l8=≥.,<h_.,(≤∀M}Z9→,Eλ≠~-<#"T≡~≠X-\<kC!!"P;O≡x>+∧
;H∪I→λ∩(∞|;]→,D≥≠h|αz⊂:\⊂6pq\|vpP_yP8zZquv<H0yP8≠yytq≠2FE+Zz47z]⊂3y7\ytw3H7zz∀&!⊂7\⊂6|yYv3⊗⊂≠y⊂7{→y67pY4w3@∪$f⊂+Zz4⊂9[P6pw≡FE1w[x0z4X4v4z≡P32p]:y2yK⊂0yP~0x8"[2r⊂4[⊂:42H&4yx≠pqt4[2W⊂ [9wP:~2y2FB;pyP≥40z_0r⊗p\yrr⊂∃⊂0w2λ'$f⊂≤97q6→vP;rH7w6<H:0v5Yr⊂0q≠zz⊂0H64z:≠2FE0]⊂:42H1wvv[w⊗v4\x⊂6rYz4w3K⊂-d7]r{2y⊂6wy→P9r{→y2P8≤7q62[yV⊂6~urP:~2FE3_qz⊂:~0z⊂6Xqy|vXP;wz[2⊂77]⊂9:wλ;tz4λ2y97\⊗qt2Xutw3Had already been fixed by smoking it out on the Lispmachine.]



→foo.bar
9
∂21-Jan-82  2053	George J. Carrette <GJC at MIT-MC> 
Date: 21 January 1982 23:50-EST
From: George J. Carrette <GJC at MIT-MC>
To: Morrison at UTAH-20
cc: RMS at MIT-AI, common-lisp at SU-AI

My experience with running macsyma in maclisp and lispm is that what
happens is that compatibility features are not quite compatible, and
that gross amounts of tweeking beyond the scope of a possibility in
FORTRAN 77 goes on. Much of the tweeking takes the form of adding
another layer of abstraction through macros, not using ANY known form
of lisp, but one which is a generalization, and obscure to anyone but
a macsyma-lisp hacker. At the same time the *really* gross old code
gets rewritten, when significant new features are provided, like
Pathnames.

Anyway, in NIL I wanted to get up macsyma as quickly as possible
without grossing out RLB or myself, or overloading NIL with so many
compatibility features, as happened in the Lispmachine. Also there
was that bad-assed T and NIL problem we only talked about a little
at the common-lisp meeting. [However, more severe problems, like the
fact that macsyma would not run with error-checking in CAR/CDR 
had already been fixed by smoking it out on the Lispmachine.]



→foo.bar
10
∂21-Jan-82  2053	George J. Carrette <GJC at MIT ≠≠|@~∃⊃CiJtdbA∃¬]kCed@brpH@dftT`['P~∃
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βC?O≤K'3O#eβ'ph*~>∃"Jε9β9]β∨}+@~ε⎇eb∧o\9αε↑d
FF*∞Nv..=≥f:πL≥6/~∞Mε*εm}&jε|dε∞→~;Lq"X;M}~→<D
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←[aCQSESY%irAM∃Cike∃fP⊃β∂→β#π∧εε.v\DεNr∞Mε*∧M≡7εn≤=εNvU`∧∞g=tπ&F↑,PhW|≡2π&≡Bε⊗≤EV∂∨<XB¬"≥f"∧i→Bππ-|&f.T∞v*ε⎇mGJπL≥F↑.D⊗⊗␈↑Dε
εM~G&fQQ&∂"∞Mε*ε=⎇Vn}e]FO∨∧
V./M≥f:r	9ε␈>↑hW∩b
]w⊗*∞8W6/,Tππ⊗|-F.o5DεfN<Tπ&FQQ&6∞>Dπ&F≡@λ
\8|}-\(≥{n]→λ⊂↔≠z⊂9:[⊂;tj~⊂2y9≠y⊗qt→qutw→P4w⊂⊂βAR/CDR 
had already been fiXed by smoking it out on the Liqpmachife.]