FIT2102ProgrammingParadigms2024

Assignment2:MarkdowntoHTML

DueDate:Friday,18thOctober,11:55pm

Weighting:30%ofyourfinalmarkfortheunit

Interview:SWOTVAC+Week13

Overview:Studentswillworkindependentlytocreateaparserforasubsetofthe

Markdownspecificationusingfunctionalprogrammingtechniques.Programswillbe

implementedinHaskell.Thegoalistodemonstrateagoodunderstandingof

functionalprogrammingtechniquesasexploredthroughouttheunit,including

writtendocumentationofthedesigndecisionsandfeatures.

SubmissionInstructions

Submitazippedfilenamed_.zipwhichextractstoafolder

named_

●Itmustcontainallthecodethatwillbemarkedincludingthereportandall

codefiles

●Youalsoneedtoincludeareportdescribingyourdesigndecisions.Thereport

mustbenamed_.pdf.

●NoadditionalHaskelllibrariesshouldbeused

○Youmayuseadditionallibrariesonlyfortestingpurposes.

●Beforezipping,runstackclean--full(toensureasmallbundle)

●Donotsubmitnode_modulesorthe.gitfolder

●Makesurethecodeyousubmitexecutesproperly.

Themarkingprocesswilllooksomethinglikethis:

1.Extract_.zip

2.Copythesubmissionfoldercontentsintotheassignmentcodebundle

submissionfolder

3.Executestackbuild,stacktest(forautomatedtesting)andstack

execmain/npmrundevforfrontend

Pleaseensurethatyoutestthisprocessbeforesubmitting.Anyissuesduringthis

processwillmakeyourmarkerunhappyandmayresultinadeductioninmarks.

Latesubmissionswillbepenalisedat5%percalendarday,roundedup.Late

submissionsmorethansevendayswillreceivezeromarksandnofeedback.

TableofContents

Assignment2:MarkdowntoHTML1

SubmissionInstructions1

TableofContents2

Introduction3

Goals/LearningOutcomes3

Scopeofassignment3

Exercises(24marks)4

PartA:(12marks):ParsingMarkdown5

Aside-TextModifiers(2marks)5

Images(0.5marks)6

FootnoteReferences(0.5marks)6

FreeText(1mark)6

Headings(1mark)6

Blockquotes(1mark)7

Code(1mark)8

OrderedLists(2marks)8

Tables(3marks)8

PartB:(6marks):HTMLConversion9

TextModifiers(1mark)9

Images(0.5marks)10

FootnoteReferences(0.5marks)10

FreeText(0.5marks)10

Headings(0.5marks)10

Blockquotes(0.5marks)10

Code(0.5marks)11

OrderedLists(1marks)11

Tables(1mark)11

PartC(6marks):Addingextrafunctionalitytothewebpage13

PartD(upto6bonusmarks):Extension14

Report(2marks)15

CodeQuality(4marks)16

Markingbreakdown17

Correctness17

MinimumRequirements:18

Changelog18

Introduction

Inthisassignment,wewilluseHaskelltodevelopatranspilerthatconvertsMarkdown

stringsintoHyperTextMarkupLanguage(HTML).ThistaskinvolvesparsingMarkdown

syntaxandgeneratingcorrespondingHTMLoutput.Awebpageisprovided,inwhich

MarkdownwillbesentthroughanHTML-basedwebsocketconnectiontoaHaskell

backendserver,theHaskellserverwillneedtoconvertthisMarkdownintothe

correspondingHTMLandreturnitbacktothewebsite.Askeletoncodewasprovided

whichwillhandlethebasiccommunicationbetweenthewebpageandyourassignment

code.

Youareencouragedtoutilisematerialscoveredinpreviousweeks,includingsolutions

fortutorialquestions,toaidinthedevelopmentofyourtranspiler.Youmustreference

orciteideasandcodeconstructsobtainedfromexternalsources,aswellas

anythingelseyoumightfindinyourindependentresearch,forthisassignment.

TheassignmentissplitupintoPartA(parsing),PartB(prettyprinting)andPartC

(extras).However,wedorecommendcompletingPartA/PartBintandem.

ThelanguageyouwillparsewillbebasedontheMarkdownspecification,howeverwith

additionalrestrictionstoreduceambiguity.Itisimportantthatyoureadtherequirements

ofeachexercisecarefullytoavoidunnecessarywork.

Goals/LearningOutcomes

Thepurposeofthisassignmentistohighlightandapplytheskillsyouhavelearnedtoa

practicalexercise(parsing):

●Usefunctionalprogrammingandparsingeffectively

●Understandandbeabletousekeyfunctionalprogrammingprinciples(higher

orderfunctions,purefunctions,immutabledatastructures,abstractions)

●ApplyHaskellandFPtechniquestoparsenon-trivialMarkdowntext

Scopeofassignment

Youareonlyrequiredtoparseanexpressionintothenecessarydatatypesandconvert

theresulttoanHTMLstringsuchthatitcanberenderedusinganexistinginterpreter.

YouwillnotberequiredtorendertheMarkdownorHTMLstrings.

Exercises(24marks)

Theseexercisesprovideastructuredapproachforcreatingthebeginningsofa

transpiler.

●PartA(12marks):ParsingMarkdownstrings

●PartB(6marks):ConversionbetweenMarkdownandHTML

●PartC(6marks):Addingextrafunctionalitytothewebpage.

●(Extension)PartDPartE:extensionsforbonusmarks!

Youmustparsetheinputintoanintermediaryrepresentation(ADT)suchasan

AbstractSyntaxTreetoreceivemarks.Thiswillalloweasyconversionbetween

yourADTandHTML.

YoumustaddderivingShowtoyourADTandallcustomtypesyourADT

contains.(NotethattheskeletoncodealreadyhasderivingShowontheADTtype

foryou,whichyoumustnotremove.)YoumustnotoverridethisdefaultShow

instanceasthiswillhelpustestyourcode.

YourAssignment.hsfilemustexportthefollowingfunctions:

●markdownParser::ParserADT

●convertADTHTML::ADT->String

ExampleScripts

Foreachoftheseexercises,therewillbeaseriesofprovidedMarkdownfiles.By

runningstacktest,itwilltrytoparsetheMarkdownandsavetheoutputtoafolder.

ThiswillgenerateHTMLwhichyoucanmanuallyviewforcorrectnessinabrowser.

Duringmarking,wewillberunningyourtranspileronmorecomplexexamplesthanthe

providedexamplescripts,therefore,itisimportantyoudeviseyourowntestcasesto

ensureyourparserisvalidonmorecomplexMarkdown.Itwillalsoaimtoproduceagit

diff,whichisthedifferencebetweenyouroutputandtheexpectedoutput.However,this

requiresinstallingthegitcommandlinetool.So,ensurethatitisinstalled.

Furthermore,themorerecommendedwaytotestyourcodewillbetousenpmrun

devincombinationwithstackrunmaincanbeusedtorunthewebpagewithalive

editor,runningyourcodeinreal-time.

PartA:(12marks):ParsingMarkdown

Thefirstpartofthistask,requiresyoutoparseamarkdownstringintoanAlgebraic

DataType(ADT).ThisrequiresyoutodefineyourownAlgebraicDataTypeanddefine

aseriesoffunctionsthatparseeverythingintherequirements.Considerthatyouwill

needtoconverttheresulttoHTMLandtherefore,yourADTshouldhaveenough

informationtoassistyouinconvertingtoHTML.

Aside-TextModifiers(2marks)

Therearesixdifferentmodifiersforinlinetext,whichcanchangethewaya

markdownstringwillberendered.Youdonothavetoworryaboutanyescape

characters.Alltextmodifierswillneedtobestrictlynon-empty.

●ItalicText:Specifiedbyasingleunderscorecharacter,_.Forexample,

_italics_

●BoldText:Specifiedbyasetoftwoasterisks,**,aroundaword.Forexample,

**bold**

●Strikethrough:Specifiedbytwotildecharacters,~~,aroundaword.Forexample,

~~strikethrough~~

●Link:Userscanincludealinktoanexternalpageusing[linktext](URL).

Forexample,[clickhere](www.google.com).Youdonotneedto

considerlinksinsidelinks.

●InlineCode:Userscanincludecodeinthemiddleofsentences,usingabacktick

character,`.Forexample,thereis`code`here

●Footnotes:Userscanindicateafootnotewith[^ℤ

+

],whereℤ

+

={1,2,3,...},i.e.,

anypositiveinteger.Forexample,[^1],[^2]andsoforth.Notethatyoudo

notneedtovalidateanysortoforderingonthesenumbers,e.g.,themarkdown

mayonlycontainonefootnote[^10].Youalsodonotneedtovalidatethatthe

footnotecomeswithanappropriatereference(seeFootnoteReferences).

○Notethattheremustnotbeanywhitespaceinsidethe[and].For

example,[^1],[^2],and[^3]areallnotvalidfootnotes.

Youdonotneedtoconsidertextwithnestedmodifiers,suchas**_boldand

italics_**.

Unlessspecifiedotherwise,thetextinsidethemodifierscanincludeanyamountof

whitespace(excludingnewlines).Forexample,_italics_,**bold**,~~

strikethrough~~,`inlinecode`,and[linktext](example.com),and

[linktext](example.com)areallvalid.

Images(0.5marks)

Animageisspecifiedwiththreeparts:

1.TheAltTextisthealternativetextfortheimage,whichisdisplayedifthe

imagefailstoloadorforaccessibilitypurposes.

2.TheURListheURLorpathtotheimagefile.ThiscanbeawebURLoralocalfile

path.TheURLcannotcontainanywhitespace.

3.TheCaptionTextisthecaptionfortheimage.

![AltText](URL"CaptionText")

Thealternativetext,captiontext,andURLshouldnotconsiderthetextmodifiers.

Theremustbeatleastonenon-newlinewhitespacecharacterbetweentheURLand

thecaptiontext.Forexample,![AltText](URL"CaptionText")isnotavalid

image.

Theremustnotbeanyspacesafterthe!andbeforethe[.

FootnoteReferences(0.5marks)

Similarlytofootnotes,footnotereferencesconsistof[^ℤ

+

],whereℤ

+

={1,2,3,...},i.e.,

anypositiveinteger,followedbyacolon(:),andthensometext.Notethatthistextwill

notincludethetextmodifiers.Leadingwhitespacebeforethetextshouldbeignored.

[^1]:Myreference.

[^2]:Anotherreference.

[^3]:The2spacesafterthecolonshouldbeignored

FreeText(1mark)

Therecanbeanyamountoftextwhichdoesnotfollowanyofthefollowingothertypes.

Thistextmaycontainthemodifiers.Forexample:

Hereissome**markdown**

Morelineshere

Text

Headings(1mark)

Markdownheadingsaredenotedbyoneormorehashsymbols(#),followedbyatleast

onewhitespacecharacter(excludingnewlines).Therecanbeupto6#’s,producinga

headinguptolevel6.

#Heading1

##Heading2

###Heading3

####Heading4

#####Heading5

######Heading6

Notethatbecauseatleastonenon-newlinewhitespacecharacterisrequired,thisisnot

avalidheading:#Heading1

Alternatively,Heading1andHeading2canbespecifiedwithanalternativesyntax

(shownbelow).Onthelinebelowthetext,addatleast2equalssign(=)charactersfor

headinglevel1oratleast2dash(-)charactersforheadinglevel2.Thereisno

alternativesyntaxforanyotherheadinglevels.

AlternativeHeading1

======

Headinglevel2

---------------

Importantly,headingsmayincludeanyofthepreviouslymentionedtextmodifiers,for

example,aheadingcanbebolded,bysurroundingitwithadoubleasterisk.

#**BoldedHeading1**

Blockquotes(1mark)

TocreateablockquoteinMarkdown,youusethegreaterthansymbol(>)atthe

beginningofalinefollowedbythetextyouwanttoquote.Youcanalsoincludemultiple

linesoftextwithinthesameblockquotebystartingeachconsecutivelinewiththe

greaterthansymbol(>).Leadingwhitespaceafterthegreaterthansymbol(>)and

beforethetextshouldbeignored.Thetextinsidetheblockquotemayhavetext

modifiers.Youdonotneedtoconsidernestedblockquotes.Forexample:

>Thisisablockquote.

>Itcan**span**multiplelines.

Code(1mark)

AcodeblockinMarkdownstartswiththreebackticks(```)onalinebythemselves,

followedbyanoptionallanguageidentifier.Thecodeblockendswithanotherthree

backticksonalinebythemselves.Thecodeblockshouldnotconsiderthetext

modifiers.Anexamplecodeblockis:

```haskell

main::IO()

main=do

putStrLn"Nevergonnagiveyouup"

putStrLn"Nevergonnaletyoudown"

putStrLn"Nevergonnarunaroundanddesertyou"

```

OrderedLists(2marks)

Anorderedlistconsistsofatleastoneorderedlistitemseparatedbyexactly1newline

character.Anorderedlistitemstartswithapositivenumber,a.(fullstop)character,

andatleastonewhitespacecharacter(excludingnewlines).Anorderedlistmuststart

withthenumber1,andanynumberafterthatcanappear.Youdonothavetoconsider

anyothernumberingsystemoranunorderedlist.

Orderedlistsmaycontainsublists,wheretherewillbeexactly4spacesbeforeeach

orderedlistitem.Eachsublistmustalsostartwiththenumber1.Similartoprevious

sections,listitemsmayalsocontaintextmodifiers.

1.Item1

1.SubItem1

2.SubItem2

3.SubItem3

2.**BoldedItem2**

6.Item3

7.Item4

Youdonothavetohandleunorderedlists.

Tables(3marks)

TocreateatableinMarkdown,youusepipes(|)toseparatecolumnsandatleast

threedashes(-)betweeneachcolumntoseparatetheheaderrowfromthecontent

rows.Eachcolumnmaycontainvaryingamountsofdashes.Eachrowiswrittenona

separateline.Thebeginningandendingpipes(|)arecompulsory.Eachrowmusthave

thesameamountofcolumns.Eachcellmayalsocontaintextwiththetextmodifiers.

Leadingandtrailingwhitespacebeforeandafterthetextineachcellshouldbeignored.

|Tables|Are|Cool|

|-------------|-------------|-----|

|here|is|data|

|here|is|data|

|here|isalso|**boldeddata**|

PartB:(6marks):HTMLConversion

ThesecondpartofthistaskrequiresyoutoconvertyourADTintoaHTML

representation.TheresultingHTMLfilemustbeformattedsuchthatitisindentedwith4

spacesatthecorrectleveltoreflectthetreestructureofHTML,ensuringthattheHTML

isvalidandcorrectlyrenderstheprovidedmarkdown.Youdonotneedtoindentthetext

modifiers,butothernestedobjectsshouldbeindententedcorrectly.

AllHTMLgeneratedmustbeaself-containedwebpage,i.e.,includingthefollowing

information,placingallgeneratedHTMLwithinthetags.

GENERATEDCONTENTGOESHERE

AsareferencefortheconversionbetweenmarkdownandHTML,herewillbelistedthe

conversionofalloftheexamplesfromabove.

TextModifiers(1mark)

●Italics:italics

●Bold:bold

●Strikethrough:strikethrough

●Link:linktext

●InlineCode:code

●Footnotes:¹.Itis

importantthatyoufollowthisconventionprecisely,where1isthenumber

specifiedwiththefootnote,toensurethefootnoteswork.

Images(0.5marks)

Theimagemustbeinanimagetag,withtheappropriateattributesfilled.

FootnoteReferences(0.5marks)

Afootnotereferencemustbeencasedina

tag,andhavetheappropriately

numberedid.

Myreference.

Everyreferenceshouldbeprefixedwith2

spaces.

FreeText(0.5marks)

Everylineoffreetextmustbeencasedin

tags.Youdonotneedtoconsiderhowto

handlenewlines.

Hereissomemarkdown

Morelineshere

Text

Headings(0.5marks)

Where,thenumberaftertheh,containstheleveloftheheading,forexample,in

headinglevel1:

Heading1

Blockquotes(0.5marks)

Eachblockquotemustbeencasedby

,whileeachlinewithinthe

blockquotemustbeencasedwitha

tag.

Thisisablockquote.

Itcanspanmultiplelines.

Code(0.5marks)

Thecodeblockmustbeencasedinboththe

andthetags,andthe
language(e.g.,haskell)mustbeincludedwithintheclassattribute,prefixedby
language-.Thenewlinesandcodeindentationmustremain.
main::IO()
main=do
putStrLn"Nevergonnagiveyouup"
putStrLn"Nevergonnaletyoudown"
putStrLn"Nevergonnarunaroundanddesertyou"
OrderedLists(1marks)
Orderedlistsmustbeginandendwiththe
tag,andeachlistitemmustbeginand
endwiththeopening/closing
tag.
Item1
SubItem1
SubItem2
SubItem3
BoldedItem2
Item3
Item4
Tables(1mark)
TheHTMLconventionforrepresentingtablesinvolvesusingthe
,,
,and
elements.representstheentiretable,representsa
rowwithinthetable,
representsaheadercellwithinatablerow,usedforthe
headerrow,and
representsadatacellwithinatablerow,usedforthecontent
rows.
Tables
Are
Cool
here
is
data
here
is
data
here
isalso
boldeddata
PartC(6marks):Addingextrafunctionalitytothewebpage
Thistaskinvolveschangingthewebpagetoincludeextracapabilitiesallowingamore
feature-fullUI.Youwillnotbemarkedonthelayout,oreaseofuseoffeatures,aslong
astheyareclearlyvisibletoyourmarker,e.g.,abuttonshouldbeclearlyvisibleonthe
screen.ThistaskwillinvolvesomelightadditionstoboththeHTMLpageand
TypeScriptcode.Thiswilllikelyinvolvecreatinganobservablestreamforthedata,
mergingitintothesubscriptionstream,andsendingtheinformationtotheHaskell
backend.ThecommunicatedinformationbetweentheHaskellbackendandthe
webpagewillneedtobeupdatedtoincludeadditionalinformationthattheuserwants
theenginetoachieve.
●Abuttonmustbeaddedtothewebpageforsaving,wheretheconvertedHTML
issavedusingHaskell.Theuserdoesnotneedtobepromptedforafilename,
andtheHTMLshouldbesavedaccordingtothecurrenttime,formattedinISO
8601formatforthecurrentdateandtime:YYYY-MM-DDTHH:MM:SS.The
functiongetTimeisprovidedwhichwillprovideyouthistimeinanIOString
format.
●Aseparateinputbox,toallowtheusertochangethetitleofthepage,insteadof
thedefaultConvertedHTML.
PartD(upto6bonusmarks):Extension
Implementanythingthatisinteresting,impressive,orotherwise“showsoff”your
understandingofHaskell,FunctionalProgramming,and/orParsing.
Toachievethemaximumamountofbonusmarks,thefeatureshouldbesimilarin
complexitytoPartC(6marks):
Thebonusmarksonlyapplytothisassignment,andthefinalmarkforthisassignment
iscappedat30marks(100%).Thismeansyoucannotscoremorethan30marksor
100%.
Somesuggestionsforextensionsofvaryingcomplexityanddifficulty:
●Markdownvalidation
○E.g.,enforcealltablecolumnshavethesamewidth
●CorrectBNFfortheMarkdownyouareparsinginreport(worth2marks)
○Foranypartoftheparserwhichisnotcontext-free,youmaysimplifythe
parsingrulestobecontext-free.
●Furtherextensionstothewebpageforextrafeatures,usingRxJS
●Parsenestedtextmodifiers,suchas**_boldanditalics_**and[click
**here**](https://example.com)
●Parsefurtherpartsofthemarkdownspecificationwhichmakeuseofinteresting
parsers,whichyouhavenotusedinotherpartsoftheassignment.
●Comprehensivetestcasesovertheparserandprettyprinting
○Warning:Itissuperhardtobecomprehensive,stayawayunlessyoulove
testing.
(Choosingoneofthesimplersuggestionstoimplementmaynotreceivethemaximum
availablemarks).
Report(2marks)
YouarerequiredtoprovideareportinPDFformatofmax.600words(markerswillnot
markbeyondthiswordlimit).Descriptionsofextensionscanuseupto200wordsper
extensionfeature.
Makesuretosummarisetheintentionofthecode,andhighlighttheinterestingparts
anddifficultiesyouencountered.Focusonthe"why"notthe"how".
Additionally,justpostingscreenshotsofcodeisheavilydiscouraged,unlessit
containssomethingofparticularimportance.Remember,markerswillbelookingatyour
codealongsideyourreport,sowedonotneedtoseeyourcodetwice.
Importantly,thisreportmustincludeadescriptionofwhyandhowparsercombinators
helpedyoucompletetheparsing.Insummary,yourreportshouldincludethefollowing
sections:
●Designofthecode(includingdatastructures)
○High-leveldescriptionofapproach
○High-levelstructureofcode
○Codearchitecturechoices
●Parsing
○Usageofparsercombinators
○Choicesmadeincreatingparsersandparsercombinators
○HowparsersandparsercombinatorswereconstructedusingtheFunctor,
Applicative,andMonadtypeclasses
●FunctionalProgramming(focusingonthewhy)
○Smallmodularfunctions
○Composingsmallfunctionstogether
○Declarativestyle(includingpointfreestyle)
●HaskellLanguageFeaturesUsed(focusingonthewhy)
○TypeclassesandCustomTypes
○Higherorderfunctions,fmap,apply,bind
○Functioncomposition
●DescriptionofExtensions(ifapplicable)
○Whatyouintendedtoimplement
○Whatyoudidimplement
○Whatiscool/interesting/complexaboutit
○ThismayincludeusingHaskellfeaturesthatarenotcoveredincourse
content
Thereissomeoverlapbetweenthesections.Youshouldavoidrepeatingdescriptions
orideasinthereport.
CodeQuality(4marks)
Codequalitywillrelatemoretohowunderstandableyourcodeis.Youmusthave
readableandfunctionalcode,commentedwhennecessary.Readablecodemeans
thatyoukeepyourlinesatareasonablelength(<80characters),thatyouprovide
commentsabovenon-trivialfunctions,andthatyoucommentsectionsofyourcode
whosefunctionmaynotbeclear.
Yourfunctionsshouldallbesmallandmodular,buildingupincomplexity,andtaking
advantageofbuilt-infunctionsorself-definedutilityfunctionswhenpossible.Itshould
beeasytoreadandunderstandwhateachpieceofyourcodeisdoing,andwhyitis
useful.Donotreimplementlibraryfunctions,suchasmap,andusetheappropriate
libraryfunctionwhenpossible.
Yourcodeshouldaimtore-usepreviousfunctionsasmuchaspossible,andnotrepeat
workwhenpossible.
CodequalityincludesyourADTandifitiswellstructured,i.e.,doesnothaveabunchof
repeateddatatypesandfollowsalogicalmanner(theJSONexamplefromtheapplied
sessionisagoodexampleofwhatanADTshouldlooklike).
Markingbreakdown
Themainmarkingcriteriaforeachparsingandprettyprintingexerciseconsistsoftwo
parts:correctnessandFPstyle.BothcorrectnessandFPstylewillbeworth50%of
themarksforeachoftheexercises,i.e.,ifyourcodepassesalltests,youwillgetat
leasthalfmarksforExerciseA,andExerciseB.
Youwillbeprovidedwithsomesampleinputandtestsfordeterminingthevalidityofthe
outputtedHTMLfiles.Thesampleinputsprovidedwillnotbeexhaustive,youare
heavilyencouragedtoaddyourown,perhapscoveringedgecases.
Correctness
Wewillberunningaseriesoftestswhichtesteachexercise,anddependingonhow
manyofthetestsyoupass,aproportionofmarkswillbeawarded
FPStyle
FPstylerelatestoifthecodeisdoneinawaythatalignswiththeunitcontentand
functionalprogramming.
Youmustapplyconceptsfromthecourse.Theimportantthinghereisthatyouneedto
usewhatwehavetaughtyoueffectively.Forexample,defininganewtypeandits
Monadinstance,butthenneveractuallyneedingtouseitwillnotgiveyoumarks.Note:
usingbind(>>=)forthesakeofusingtheMonadwhenitisnotneededwillnotcount
as"effectiveusage."
Mostimportantly,codethatdoesnotutiliseHaskell'slanguagefeatures,andthat
attemptstocodeinamoreimperativestyle,willnotbeawardedhighmarks.
MinimumRequirements:
Anestimateofapassinggradewillbeparsinguptoandincludingcodeblocks,butnot
listsortables,wherethedifficultyandthemarksstepup.However,thiswillneedtobe
accompaniedbyhighcodequalityandagoodreport.
Ahighermarkwillrequireparsingofthemoredifficultdatastructures,andmodifications
oftheHTMLpage.
Changelog
●Addnotethattextmodifiersmustbenon-empty
●AddnoteaboutBNFcansimplifyparser,ifandonlyiftheparserisnotcontext
free.
●18Sep:Removetherequirementtoparsenestedtextmodifiersandinstead
makethatanextension
●18Sep:FixissueinscaffoldwherefrontendwouldshowoutputHTMLwitha
leadingandtrailingquote
●20Sep:Changed“AbstractDataType”to“AlgebraicDataType”(underPartA)
●24Sep:ClarifythatURLsinimagesshouldnotconsidertextmodifiers
●25Sep:Clarifythatthereshouldbenospacesafter!andbefore[inimages
        
    
    

        
        
    



    

        

            
                
                
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