; TeX output 1995.03.26:0043$+$': cmti10Bugsin!p0J cmsl10ComputersUU&TypGesetting C"V cmbx101K`y cmr10This§isalistofallcorrectionsmadetoComputers&TypGesetting,V*olumesA{E, bGetweenbthedateofpublication(May*,f91986)and15June1987.PItalsoincludescorrectionsmadetothesoftcoverversionofTheTU>'ExXbGook,beginningwiththesixthܷprinting(January1986); hthesearethesameascorrectionstoV*olumeA.CorrectionsiytothesoftcoveriyversionofThe1*= manfnt89:;<9=>:bGookarethesameascorrectionsUUtoV*olumeC. ffff\ PageUUA7,fourthlinefromthebGottomN(6/28/86)fff\ Ǎsince:controlsequencesofthesecondkindalwayshaveexactlyonesymbGolafterX-ff\PageUUA35,second-lastline(1/31/87)ff\ 9cmssqi8HeUVmayrunwhoreads.#cKtEocmssq8|UVHABAKKUK2:2UV(c.600B.C.)HeUVthatrunsmayread. ؉ff\ PageUUA43,lines8{9x(8/23/86)ff\ ǍofWAppGendixB,whichde nes cmmi10).(\Similarly*,\varsigma(&p)shouldnotbGeconfusedwith\zeta().Itturnsoutthat\varsigmaand\upsilonarealmostneverusedinmathformulas;theyZareincludedinplainTU>'ExXprimarilybGecausetheyaresometimesneededinshortUUGreekcitations(cf.AppGendixJ).pff\ PageUUA447,line32j(6/1/87)ff\ Gters[alsoa ectmathematicalt9ypAesetting:dimensionparameters\delimitershortfall ff\PageUUA455,newparagraphtofollowline9v(2/15/87)ff\ EG$Theǯcon9trolsequence\-isequiv|ralentto\discretionary{\charh}{}{}, $whereDzhisthe\hyphencharofthecurren9tfont,cprovidedthathliesbAe-t9weenT0and255.pOtherwise\-isequiv|ralen9tto\discretionary{}{}{}. ff\ PageUUA457,leftcolumn, fth-lastline#p(2/17/87)ff\ 5155,X201,&#fcmti8305,324,357fe d,394{395; $+BugsinComputersUU&TypGesetting C5ff\ PageUUA458,leftcolumn,line6#u(2/15/87)fff\ ;*$\-X(discretionaryhÎyphen),95,283,287, 5292,X455Xfe d.Չff\PageUUA458,leftcolumn,nearthebGottom}Q(5/19/87)ff\ ;$! (exclamationXpMorethana dozenXp =3,Xxx73.font҉ff$(base$CO=0,Xxx12.font҉ff$(info!F: arraOyq!,Xxx549.get҉ff$(token": proEcedure.,Xxx365.glue҉ff$(base$CN=2626,Xxx222.half҉ff$(bufC: dvi҉ff$(index',Xxx595.handp[le҉ff$(right҉ff$braceD]\:&proEcedure/ ,x G(1068.hash҉ff$(base&<=258,Xxx222.head׭=macro,Xxx213.hyf҉ff$(distance-tc: arraOyq!,Xxx921.hyf҉ff$(next!: arraOyq!,Xxx921.hyf҉ff$(num腭: arraOyq!,Xxx921. index+ =macro,Xxx302.inf@_: boolean,Xxx448.init҉ff$(colm: proEcedure.,Xxx788.init҉ff$(span: proEcedure.,Xxx787.input҉ff$(lnt: function&,Xxx31.interaction: 0\t:j: |3,Xxx73.limitǭ=macro,Xxx302.line҉ff$(widthS: scaled,Xxx830.macro҉ff$(calp[l 2: proEcedure.,Xxx389.main҉ff$(control#: proEcedure.,Xxx1030.mem: arraOyq!,Xxx116.mem҉ff$(bot=0,Xxx12.mem҉ff$(end: pointerM3,Xxx118.mem҉ff$(topڭ=macro,Xxx12.mlist҉ff$(to҉ff$hlist: proEcedure.,Xxx726.modeY=macro,Xxx213.mode҉ff$(line=macro,Xxx213.more҉ff$(nameS: function&,Xxx516.mu: boolean,Xxx448.name:T=macro,Xxx302.nestT: arraOyq!,Xxx213.o ҉ff$(save: proEcedure.,Xxx1064.open҉ff$(log҉ff$ leܭ: proEcedure.,Xxx534.output҉ff$(activeŭ: boolean,Xxx989.pQn: pointerM3,Xxx498.param҉ff$(stack }: arraOyq!,Xxx308.pool҉ff$( le: alpha҉ff$( le&,Xxx50.pool҉ff$(ptrS: pool҉ff$(pointer0,Xxx39. pre xed҉ff$(commandd%:proEcedure/%, (x,G(1211. prev҉ff$(depthI֭=macro,Xxx213. prev҉ff$(grafD,=macro,Xxx213. prev҉ff$(prev҉ff$rJ.­: pointerM3,Xxx830. print҉ff$(errC=macro,Xxx73. r$뾭: trie҉ff$(pointer/,Xxx960. reconstituteK: function&,Xxx906. resume҉ff$(after҉ff$displaylͻ:proEcedure.,(x,G(1200. save҉ff$(ptr?d: 0\t:j: |save҉ff$(size,wB,Xxx271. save҉ff$(stackF鵭: arraOyq!,Xxx271. scan҉ff$(dimenKQĭ: proEcedure.,Xxx448. scan҉ff$(mathG&c: proEcedure.,Xxx1151. short҉ff$(displayP: proEcedure.,Xxx174. show҉ff$(node҉ff$listU0: proEcedure.,Xxx182. start4j=macro,Xxx302. state44=macro,Xxx302. str҉ff$(pool< : pacOked#arraOy:f,Xxx39. str҉ff$(ptr9N: str҉ff$(number-S,Xxx39. str҉ff$(start?: arraOyq!,Xxx39. tail/L=macro,Xxx213. trap҉ff$(zero҉ff$glueS: proEcedure.,Xxx1229. trie.: arraOyq!,Xxx921. trie҉ff$(charCݞ=macro,Xxx921. trie҉ff$(linkAe=macro,Xxx921. trie҉ff$(op;십=macro,Xxx921. vlist҉ff$(out?W: proEcedure.,Xxx629. write҉ff$(loc@ѭ: pointerM3,Xxx1345. ffV*olumeUUB,ingeneral"_(4/6/87)fff [ThepGercentsignsinallthecomments(forexample,onpages7and50)areinthewrongfont!ChangeUU`%'to`%'.]fffPageUUBvi,bGottomline,andtoplineofnextpage(10/12/86)fff puterScienceRepGort1097(Stanford, California,April1986),146pp. The 'ExXistryingto xanon-fatalone. ButUUsuchrecursionisnevermorethantwolevelsdeep.X-ffPageUUB55,lines12{13y(4/21/87)ff ifTrӍ=Ʋpthenifrlink,(p)6=pthenhAlloAcateen9tirenodepandgotofoundhٓRcmr7129i;fffPageUUB57,lines25{28y(6/14/87)ff ǍThe( rstofthesehasfont+5=fontffb}'ase*(,anditslink ޫpGointstothesecond;thesecondidenti esthe fontyandthecharacterdimensions.ThesavingfeatureabGoutorientalcharactersisthatmostofthemhavethesamebGoxdimensions.0+Thechar}'acter/ eldofthe rstcharffno}'de1 isa\char}'ext d"thatdistinguishes(bGetweengraphicsymbGolswhosedimensionsareidenticalfortypGesettingpurposes.(SeetheMETAF9ONTmanual.)|SuchanextensionofTU>'ExXwouldnotbGedicult;ڀfurtherdetailsareUUlefttothereader. ffff PageUUB58,secondlineofsection136(7/23/86)ff ǍthegHvqaluescorrespGondingto`\hbox{}'.Thesubtyp}'e' eldissettominffquarterwor}'dM,ksincethat's _$+BugsinComputersUU&TypGesetting C9ff PageUUB66,lines2{8#{(4/21/87)fff ǍloGcationnismoreecientthandynamicallocationwhenwecangetawaywithit.F*orexam- ple,0loGcations7memffb}'ot.`sto7memffb}'ot-]+!37arealways7usedtostorethespeci cationforgluethatis;`0pt?plus0ptminus0pts'.zThefollowingmacrode nitionsaccomplishthestaticalloGca-tionCbygivingsymbGolicnamestothe xedpositions.memffYfimin-.do [NoÎwXnulp[l(canXbmemffYfimin-.do&fffPageUUB84,line12,C(2/15/87)ff de neTrelax;=0 ?fdoTnothing(\relax)gfffPageUUB86,thirdlineofsection210(8/23/86)ff ǍthatUUtheirspGecialnatureiseasilydiscernible.qThe\expandable"commandscome rst.X-ffPageUUB88,line23,C(5/22/86)ff proKcedureTprintffYfimode0! (mƬ:integerH); ?fprin9tsTthemoAderepresentedbymgfffPageUUB93,lines3{4#{(8/17/86)ff Ǎ Inthe rstregionwehave128equivqalentsfor\activecharacters"thatactascontrolsequences, followedUUby128equivqalentsforsingle-charactercontrolsequences.X-ffPageUUB130,ninth-lastline ?(5/7/87)ff ǍThisUUvqariablehassixpGossiblevalues: j$10BugsinComputersUU&TypGesettingff PageUUB151,line9,C(4/22/87)fff bKeginifT(endffYfilineffYchar94<Ƭ0)8_(endffYfilineffYchar>Ƭ127)Tthenincr(limitج); ifTlimit=startthen ?fpreviousTlinew9asemptygfffPageUUB160,lines17{20x(7/28/86)ff Ǎ389. After}parameterscanningiscomplete,theparametersaremoved}tothep}'aramffstack:Yc. ThenthemacrobGodyisfedtothescanner;inotherwords,$macr}'offcall6kplacesthede nedtextofjthecontrolsequenceatthetopofGTU>'ExX'sinputstack,0sothatgetffnext*)willproGceedtoreaditnext. ffff PageUUB200,topline(c{(5/5/87)ff Ǎ495. Wheni;webGegintoprocessanew\if,twesetiffflimit$ ifffc}'ode @ܫ;thenif0X\oror\elseor\fiX-ffPageUUB217,lines15{16x(6/14/87)ff ǍDVIUUformat. ffffPageUUB224,lines4{7ofsection560(10/22/86)ff Ǎnameyandareastringsnom#andair}'e8,andthe\at"sizes.ޤIfsisnegative,it'sthenegativeofa scalefactortobGeappliedtothedesignsize;>s#7=1000isthenormalcase.Otherwiseswillbesubstituted ƲgR;&fffPageUUB255,mini-indexatthebGottom՜Q(4/15/87)ff 9$mag6x=\tmacro,Xxx236. ffPageUUB257,lines11{13x(6/14/87)ff ifTcƸqi (128)thendviffYfiout \(set1z); dviffYfiout1Gd(qo (c));fffPageUUB260,lines7{8z(4/15/87)ff InM thecaseofcffle}'aders/a(centeredleaders),wewanttoincreasecurffh «byhalfoftheexcess spaceZnotoGccupiedbytheleaders;\andinthecaseofxffle}'aders/(expandedleaders)weincreasefffPageUUB267,mini-indexatthebGottom՜Q(4/15/87)ff qǍcur҉ff$(s $: integerl},Xxx616. mag=\tmacro,Xx236. popŭ=142,Xx586. v+$+BugsinComputersUU&TypGesetting C11ff PageUUB271,line10'B(8/23/86)fff !whichUUwillbGeignoredinthecalculationsbecauseitisahighlynegativenumbGer. ffPageUUB285,lines23and24[(5/4/87)ff ZthencurrentstringwouldbGe`.^._/'ifppointstotheor}'dffnoad.vforxinthe(ridiculous)formula `\sqrt{a^{\mathinner{b_{c\over?x+y}}}}$'. ffPageUUB296,lines3{5#{(5/8/87)ff !bGox?bandchangesitsothatthenewbGoxiscenteredinabGoxofwidthwD.jThecenteringisdone byYputting\hssglueattheleftandrightofthelistinsideb,ZthenpackqagingthenewbGox;\thus,theUUactualbGoxmightnotreallybGecentered,ifitalreadycontainsin niteglue. ff PageUUB346,line19'B(5/19/87)ff ^ZpassffYfinumber3X:phalfword''8; ?ftheTn9umbAerofpassivenoAdesallocatedonthispassg ffPageUUB350,lines36and37Z(1/28/87)ff ^ZvR:ppointer!ĉ; ?fpAoin9tsTtoagluespeci cationoranodeaheadofcurffYfipg t:pinteger ; ?fnoAdeTcoun9t,ifcurffYfipnisadiscretionarynodeg ffPageUUB353,lines8{22y(1/28/87)ff ~Y sƸ curffYfipڬ; ifTbreakffYfitype.;>unhyphenated=HthenTifcurffYfip.6=nulxle^thenhComputeTthediscretionarybreakffYfiwidth47v|raluesr840i; whileTsƸ6=nulxle^do䍍...>[asTbAefore,butinden9tedonelessnotch] end; cff PageUUB354,line6,C(1/28/87)ff !willbGethebackgroundplusl1|s, sothelengthfromcurffpEtocurffpshouldbGe D0+l02k+l1l2`, minus theUUlengthofnoGdesthatwillbediscardedafterthediscretionarybreak. ffPageUUB354,lines12{18x(1/28/87)ff ^Z bKeginTtƸ replaceffYficount8(curffYfipD);vp curffYfipڬ;s postffYfibreak+j(curffYfipD); whileTt>0dobKeginTdecr+(t);vp linkE(vR);hSubtractTthewidthofnoAdevgfrombreakffYfiwidth5U841i;end; whileTsƸ6=nulxle^dobKeginThAddthewidthofnoAdestobreakffYfiwidth47andincreaset,unlessit'sdiscardabler842i; ff PageUUB354,newlineafterline21(1/28/87)ff ^Z ifTtƬ=0thens linkE(vR); ?fmorenoAdesma9yalsobediscardableafterthebreakg $12BugsinComputersUU&TypGesettingff PageUUB354,lines26{34x(1/28/87)fff [ChangeT`s'to`vR'throughoutthissection(8times).]fffPageUUB354,line9fromthebGottom౩(1/28/87)ff 842. hAddTthewidthofnoAdestobreakffYfiwidth47andincreaset,unlessit'sdiscardabler842ifffPageUUB355,lines1{3z(1/28/87)ff hlistffYfinode;;vlistffYfinode(t;ruleffYfinode':pbreakffYfiwidth2[1]Ƹ breakffYfiwidth1U[1]8+width۬(s); kernffYfinode'ExX1 rstloGokstoseeifitisintheuser'sexceptiondictionary*.Ifnot,hyphens areAEinsertedbasedonpatternsthatappGearwithinthegivenword,|@usinganalgorithmduetoF*rankUUM.Liang.X-ff PageUUB397,line28'B(5/21/87)ff Ǎh<=z>ܷEc.It5mfollowsthatloGcationtrieffmax.willneverbGeoccupiedintrie9,msandwewillhaveff PageUUB415,themini-index Z(4/6/87)ff [DeleteXthespuriousenÎtryfor`c'.]ffffPageUUB419,mini-indexentryforcs(4/6/87)ff 9$c: integerl},Xxx994. $+BugsinComputersUU&TypGesetting C13ff PageUUB422,line24'B(8/23/86)fff prevffYfip-:ppointer!ĉ; ?fpredecessorTofpgfffPageUUB435,line16"A(10/12/86)ff width*(p)Ƹ fontffYfiinfo&ir[kC]:sc$; ?fthat'sTspaceq(f)g stretch/3(p)Ƹ fontffYfiinfo&ir[kQƬ+81]:sc$; ?fandTspaceffYfistretch7(f)gshrink.l(p)Ƹ fontffYfiinfo&ir[kQƬ+82]:sc$; ?fandTspaceffYfishrink5`V(f)g [Andthemini-indexgetsthreenewenÎtries:!space#?=macrt#:;:5[ht 䝟t#vf;dp ]Rt#]=axist#;qff\PageUUC105,line13ڱ(10/13/86)ff\ O$The v9erticallinejusttotherightoftheitalicleftparenthesisshowstheitalic ff\PageUUC113,lines20{27̿(8/23/86)ff\ EO$The2command`erased ll+c'isanabbreviationfor`cullit;;!un llc;;!cullit巬'; $thisQzerosoutthepixelv|raluesinsidethecyclicpathc,andsetsotherpixelv|ralues0:r((w+charic*hppp,h.o_),(w+charic*hppp,.5h.o_));fiffff\PageUUC286,lines24{26ǿ(10/13/86)ff\ @butiChij:klumnjw9on'tletyou.Andevenifthishadworked,itwouldn'thavesolvedthe problem;\itw9ouldsimplyhaveputENDFORintothereplacementtextofast,bAecauseexpansionTisinhibitedwhenthereplacemen9ttextisbAeingread.&fff\ PageUUC290,line1䱶(8/23/86)ff\ @2.FJortuitouskyloops.The5&`max'and`min'macrosinAppAendixB5mak9euseofthefactff\ PageUUC298,third-lastline#(8/23/86)ff\ $t[u1*;::: ;u ;cmmi6n7]#=t[t[u1;::: ;unq% cmsy61];t[u2;::: ;un7]]fff\PageUUC304,14th-lastlineN#(2/15/87)ff\ [replaceTthis`\smallskip'b9ya\smallskipbAetweenlines!]fff\PageUUC307, fth-lastlineı(12/7/86)ff\ $adjustm 1뎑y t(hleftTsidebAearingadjustmen9tiuM,hrigh9tTsidebAearingadjustmenti}p);fff\PageUUC312,line34ڱ(10/12/86)ff\ @params[2]="sans_params";Yfontname[2]="cmssbx10";ffff\PageUUC316,lines19{21̿(8/17/86)ff\ @example, `(someNcharhtvalueshadtobeadjustedbyasmuchas0.12pt)'means thatby9ouhadtoAomanydi erentnonzeroheights,:buthij:klumnjfoundawaytoreduce[then9umbAer[toatmost15b9ychangingsomeofthem;~noneofthemhadtobAe&fff\ PageUUC319,line3䱶(8/23/86)ff\ @spAeci edTb9ysaying,e.g.,ff\ PageUUC321,line6䱶(7/28/86)ff\  s,special"identifier"&font_identifier_;ffff\PageUUC334,line2䱶(6/23/86)ff\ @ s,currentpicture:=currentpictureshifted-(1,1);pix:=currentpicture;ffff\PageUUC339,tenth-lastlineı(2/4/87)ff\ @ s,JackieK\=aren{\L}au\.raMar{\'\i}aN\H{a}ta{\l}{\u\i}e{\O}ctaveL$18BugsinComputersUU&TypGesettingff\ PageUUC343,second-lastline$(8/23/86)fff\ ZqmtheUVpreciseneedsofaprecisebutlimitedintellectualgoal. Hff\PageUUC346,2ndlineofentryfor`;'Z(1/12/87)ff\ 5217,X223{224,263,312. ff\PageUUC348,line6䱶(6/17/86)ff\ Zq$concatenation,Xofpaths,70{71,123,127, ff\PageUUC348,justbGefore`debugging'(3/16/87)ff\ Zq$deXCasteljau,PÎauldeFJaget,14. ff\PageUUC348,rightcolumnĸ(3/16/87)ff\ 8[The_enÎtryfor`define_whole_vertical_blacker_pixels'shouldb =3,Xxx68. rm҉ff$(up҉ff$the҉ff$line;ϭ:proEcedure.b, x+682.get҉ff$(next,: proEcedure.,Xxx667.gf҉ff$(buf: arraOyq!,Xxx1152.gf҉ff$(o set9: integerl},Xxx1152.gf҉ff$(ptr: gf҉ff$(index"z,Xxx1152.halfword=min҉ff$(halfword73t:j: max҉ff$(halfwordˇC,Xxx156.hashƨ: arraOyq!,Xxx201.index+ =macro,Xxx629.input҉ff$(lnt: function&,Xxx30.interaction: 0\t:j: |3,Xxx68.j9: 0\t:j: |move҉ff$(size/,Xxx357.known҉ff$(pairѭ: proEcedure.,Xxx872.limitǭ=macro,Xxx629.m҉ff$(spread: integerl},Xxx357.materialize҉ff$(pen!ʭ: proEcedure.,Xxx865.max҉ff$(alp[lowed: scaled,Xxx403.max҉ff$(cW4: arraOyq!,Xxx813.max҉ff$(linkod: arraOyq!,Xxx813.max҉ff$(tfm҉ff$dimenL: scaled,Xxx1130.mem҉ff$(topڭ=macro,Xxx12.mem: arraOyq!,Xxx159.memory҉ff$(word:=recordJ,Xxx156.more҉ff$(nameS: function&,Xxx771.m1c: integerl},Xxx464.n : screen҉ff$(col)10,Xxx580.n҉ff$(sin҉ff$cos: proEcedure.,Xxx145.name:T=macro,Xxx629.negate҉ff$(dep҉ff$list: proEcedure.,Xxx904.new҉ff$(knoti: function&,Xxx871.node҉ff$(to҉ff$roundMX: arraOyq!,Xxx427.n1: integerl},Xxx464.octant҉ff$(dir: arraOyq!,Xxx395.o1IA: smalp[l҉ff$(number7=,Xxx453.o2IA: smalp[l҉ff$(number7=,Xxx453.paint҉ff$(rowc: proEcedure.,Xxx568.param: arraOyq!,Xxx1096.param҉ff$(stack }: arraOyq!,Xxx633.path҉ff$(length: function&,Xxx916.perturbationMͭ: scaled,Xxx1119.phi~: angle ,Xxx542.pool҉ff$(ptrS: pool҉ff$(pointer0,Xxx38.post҉ff$(headĺ: pointerM3,Xxx843. pre҉ff$(head@%: pointerM3,Xxx843.  print҉ff$(errC=macro,Xxx68. print҉ff$(macro҉ff$named͵:proEcedure/ ,(x,G(722. quarterwordO≭=0\t:j: |255,Xxx156. recycle҉ff$(valueP2: proEcedure.,Xxx809. row҉ff$(transitionU$: trans҉ff$(spec){ۭ,Xxx579. scan҉ff$(text҉ff$argP,: proEcedure.,Xxx730. scrolp[l҉ff$(modeM^=2,Xxx68. set҉ff$(controlsKi\: proEcedure.,Xxx299. sf(M+: fraction!,Xxx298. show҉ff$(contextPí: proEcedure.,Xxx635. sorted9b=macro,Xxx325. st': fraction!,Xxx298. start4j=macro,Xxx629. start҉ff$(symD/: halfword$Fέ,Xxx1077. str҉ff$(pool< : pacOked#arraOy:f,Xxx38. str҉ff$(ptr9N: str҉ff$(number-S,Xxx38. str҉ff$(start?: arraOyq!,Xxx38. take҉ff$(partBM: proEcedure.,Xxx910. tfm҉ff$(changedNME: integerl},Xxx1130. tol*: integerl},Xxx557. tt&Y: smalp[l҉ff$(number7=,Xxx843. tx(8: scaled,Xxx954. txx,-: scaled,Xxx954. txy,: scaled,Xxx954. ty()C: scaled,Xxx954. tyx,c: scaled,Xxx954. tyy,T: scaled,Xxx954. unsortedB =macro,Xxx325. uv)ۿ: 0\t:j: |bistack҉ff$(size5,Xxx557. xy)DI: 0\t:j: |bistack҉ff$(size5,Xxx557. x1) : scaled,Xxx542. x2) : scaled,Xxx542. x3) : scaled,Xxx542. y1*: scaled,Xxx542. y2*: scaled,Xxx542. y3*: scaled,Xxx542.ٔ$20BugsinComputersUU&TypGesettingff V*olumeUUD,ingeneral!'(4/6/87)fff &[ThepGercentsignsinallthecomments(forexample,onpages7and42)areinthewrongfont! ChangeUU`%'to`%'.] ܲffPageUUDvii,line90q(9/25/86)ff &DiscreteQandComputationalGeometry,_1(1986),Q123{140.{Developsthethe}'ory ܲffPageUUD2,line271G (6/17/86)ff ;& de neTbanner" K\This is METAFONT, Version 1.3 ?fprin9tedTwhenhij:klumnjstartsg ffPageUUD18,line30,G (5/22/86)ff ;&strffYfiptrE:pstrffYfinumber1S; ?fn9umbAerTofthecurren9tstringbeingcreatedg ffPageUUD23,secondlineofmini-index,rightcolumn?(6/14/87)ff _$pool҉ff$(nameL ="string",Xxx11. #ΉffPageUUD30,lines33{34UA(6/14/87)ff &toUSdeleteatoken,UTand/orifsomefatalerroroGccurswhileMETAF9ONTistryingto xanon-fatal one.qButUUsuchrecursionisnevermorethantwolevelsdeep. NyffPageUUD63,lines13{14UB(5/5/87)ff ;&[These t9wolinescanbAeeliminated,{sincethev|rariabletempffYfiptr+ngisnolongerused!ћIfyoudeletethem, also remo9vex)158fromthelistofsectionswhereglobalv|rariablesaredeclared(pagesD7andD552),]andremo9veTtempffYfiptr*JfromTtheindexonpageD540.] ff PageUUD66,line61G (5/22/86)ff ;&functionTgetffYfinode%8(sƬ:integerH):ppointer!ĉ; ?fv|rariable-sizeTnoAdeallocationgff PageUUD66,lines31{32UA(3/16/86)ff lcontrolled$growthhelpstokeepthememDusageconsecutivewhenMETAF9ONTisimplementedon \virtualUUmemory"systems. NyffPageUUD67,lines7{8#UC(4/21/87)ff ;& ifTrӍ=Ʋpthenifrlink,(p)6=pthenhAlloAcateen9tirenodepandgotofoundh171i; ffPageUUD86,secondlineofsection1988(2/27/87)ff lIndividual'classnumbGers'havenosemanticorsyntacticsigni cance,\Kexceptinafewinstances NyffPageUUD101,line2,G (3/16/86)ff llikep`x',N7ortheycancombinethestructuralpropGertiesofarraysandrecords,N7like`x20a.b'.A$+BugsinComputersUU&TypGesetting C21ff PageUUD102,line24'G (3/16/86)fff Ǎ Injotherwords,vqariableshaveahierarchicalstructurethatincludesenoughthreadsrunningX-ffPageUUD127,line10,G (5/5/87)ff [V:ariableڲr졬canbAeeliminated,Ĭ[fontmaking-a]Ƹ 0; ?fa9voidTloAopincaseoffatalerrorgfffPageUUD520,rightcolumn N"(6/14/87)ff 9ChineseXcÎharacters:1147. ffffPageUUD526,leftcolumn,lines1{2(7/30/86)ff 9$fraction҉ff$(halfSǗ:105fe @,X111,152,288,408,496,543, 51098,X1128,1141. ffPageUUD526,leftcolumn,lines6{7(7/30/86)ff 'Ӎ5478,X497,499,503,530,540,547,549,599,603, 5612,X615,815{816,917,1169{1170. ffPageUUD528,rightcolumn N"(6/14/87)ff 9JapaneseXcÎharacters:1147. ffPageUUD530,rightcolumn,line45N(7/30/86)ff 'Ӎ$max4|:539fe @,X543.f_ffPageUUD533,rightcolumn N"(6/14/87)ff 9orienÎtalXcharacters:1147. ffffPageUUD535,rightcolumn,line27N(6/17/86)ff 'Ӎ51134,X1163{1165,1182,1194,1200,1205,1213. ffPageUUD547,bGottomtwolines(11/27/86)ff [TheseZlines,lUandthetopt9woZonthenextpage,shouldmo9veZdownsothattheyappAearinalphabetical orderTjustbAefore`Computetestcoecien9ts'.]fff\PageUUExiii,lines1{2؎%(7/28/86)ff\ F*ebruary311{13, k1984),49. An/examplemeta-char}'acteroftheDevanagarial- phab}'et,workedout\online"withthehelpofMatthewCarter.X-ff\PageUUExiii,line6(7/28/86)ff\ Ǎandwesternalphab}'etsworkalsoforDevanagariandT;amil.X-ff\PageUUE12,lines15and19cx(7/23/86)ff\ [changeUU`17.32'to`17.28'inbGothplaces]"$24BugsinComputersUU&TypGesettingff\ PageUUE12,third-lastlinex(12/18/86)fff\ [changeUU`41'to`40']fff\PageUUE13,lines3,4,and20(12/18/86)ff\ [changeUU`40'to`41',`48'to`47',`17'to`7']fff\PageUUE18,line20`(7/23/86)ff\ [changeUU`17.32'to`17.28']fff\PageUUE18,line29`(12/9/86)ff\ [changeUU`236'to`212'inthecmss9column]fff\PageUUE170,topillustration\X(11/2/86)ff\ [ThereXshouldbGeno\dish"ordepressioninthevicinityofpoint3r;xthetop edge yofthecharactershouldbGestraight.2ThiserrorappGearsalsointheotheruses8of`noffdishffserif9#'throughoutthebGook,qsince8theillustrationsweremadebGefore`noffdishffserif9#'wasaddedtotheprogram.SeepageE180(twiceatthetop),Q\E370(twice),E374(twice),E376(twice),E378(top),E390(bGottom),E398UU(top),E402(top),E406(top),E453(twice).]fff\ PageUUE179,newlinetobGeinsertedafterline6aU7(10/13/86)ff\ @ifTshavedffYfistem6Dz<crisp:breadth6:pshavedffYfistem7:=crisp:breadth;T &fff\PageUUE219,line29`(6/2/87)ff\ topy1m=Ʋh;*x1=x2*;* lldraCwstrokeTz1e E#--вzfh2G0ncmsy50se gЬ;s5N%stem&fff\PageUUE279,seventhlinefromthebGottom}j(7/20/86)ff\ 9+TthatUVdeliciousbutrestrainedhumorwhichherreadersfoundsoirresistible. ffff\PageUUE301,newlinetobGeinsertedafterline28aU7(5/15/87)ff\ @ ?ifTlowerffYfiside/(">Ƭ1:2upperffYfiside*6^:pupperffYfiside0䔬:=lowerffYfiside,ά;T &fff\PageUUE554,bGottomhalfofpageS(12/18/86)ff\ [Theletterswillc9hangeslightlybAecauseofthecorrectionstocmr17notedonpages12 andT13.]fff\PageUUE561,line3`(12/9/86)ff\ [Then9umeralsshouldbAe`7ow cmss90123456789'(i.e.,K2/3poin9tlesstall)becauseofthecorrection madeTtopage18.]+ $+BugsinComputersUU&TypGesetting C25ff\ PageUUE562,line9`(12/9/86)fff\ [Then9umeralsshouldbAe`8+ cmssi90123456789V'(i.e., 2/3poin9tlesstall)becauseofthecorrec- tionTmadetopage18.]fff\PageUUE572,entryforbr}'eadthh(10/13/86)ff\ 9$breadth,X59,75,79,91,93,179,225,233, ff\PageUUE573,entryforcmcsc10:(8/17/86)ff\ 'Ӎ$cmcsc10,X30Xfe U`{31fe,X567.f_ff\PageUUE576,tenth-lastline\(5/15/87)ff\ 9$loOwresdV𧎑 x,X550.5;48+ cmssi97ow cmss92 cmmi10Aacmr6ٓRcmr7|{Ycmr8o cmr9K`y cmr108