mirror of
https://github.com/ilyakooo0/urbit.git
synced 2024-12-16 10:49:26 +03:00
634 lines
19 KiB
Plaintext
634 lines
19 KiB
Plaintext
::
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:::: hoon/cram/gen
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::
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:- %say
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|= {^ {pax/path $~} $~}
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:- %noun
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=< (test pax)
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=> |%
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++ item (pair mite (list flow)) :: xml node generator
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++ colm @ud :: column
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++ flow manx :: node or generator
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++ mite :: context
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$? $down :: outer embed
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$list :: unordered list
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$lime :: list item
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$lord :: ordered list
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$poem :: verse
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$bloc :: blockquote
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$code :: preformatted code
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$head :: heading
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$expr :: dynamic expression
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== ::
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++ trig :: line style
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$: col/@ud :: start column
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$= sty :: style
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$? $done :: terminator
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$none :: end of input
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$lint :: + line item
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$lite :: - line item
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$head :: # heading
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$text :: anything else
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== == ::
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++ graf :: input fragment
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$% {$bold p/(list graf)} :: *bold*
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{$talc p/(list graf)} :: _italics_
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{$quod p/(list graf)} :: "double quote"
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{$code p/tape} :: code literal
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{$text p/tape} :: text symbol
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{$link p/(list graf) q/tape} :: URL
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==
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--
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|% ::
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++ test :: test text parsing
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|= pax/path
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^- tape
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:: src: text file as (list cord)
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:: txt: source as tape with newlines
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:: vex: parsing result
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::
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=/ src .^(wain %cx pax)
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=* txt (zing (turn src |=(@t (weld (rip 3 +<) `tape`~[`@`10]))))
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=/ vex (cram [1 1] txt)
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:: print result as error or xml text
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::
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?~ q.vex
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"syntax error: line {(scow %ud p.p.vex)}, column {(scow %ud q.p.vex)}"
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(poxo p.u.q.vex)
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:: ::
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++ cram :: parse unmark
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|= {naz/hair los/tape}
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^- (like flow)
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::
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:: err: error position
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:: col: current control column
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:: hac: stack of items under construction
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:: cur: current item under construction
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:: lub: current block being read in
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::
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=| err/(unit hair)
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=/ col q.naz
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=| hac/(list item)
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=/ cur/item [%down ~]
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=| lub/(unit (pair hair (list tape)))
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=< $:line
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|%
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:: ::
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++ $ :: resolve
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^- (like flow)
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:: if error position is set, produce error
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::
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?. =(~ err) [+.err ~]
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:: all data was consumed
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::
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=- [naz `[- [naz los]]]
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|- ^- flow
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:: fold all the way to top
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::
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?~ hac fine
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$(..^$ fold)
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:: ::
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++ back :: column retreat
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|= luc/@ud
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^+ +>
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?: =(luc col) +>
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:: nex: next backward step that terminates this context
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::
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=/ nex/@ud
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?- p.cur
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$down 2
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$head 0
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$expr 2
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$list 0
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$lime 2
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$lord 0
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$poem 8
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$code 4
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$bloc 6
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==
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?: (gth nex (sub col luc))
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:: indenting pattern violation
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::
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..^$(col luc, err `[p.naz luc])
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=. ..^$ fold
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$(col (sub col nex))
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:: ::
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++ fine :: item to flow
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^- flow
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?: ?=($head p.cur)
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?> ?=({* $~} q.cur)
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i.q.cur
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=- [[- ~] (flop q.cur)]
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?+ p.cur !!
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$down %div
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$list %ul
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$lord %ol
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$lime %li
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$bloc %bq
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$code %pre
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==
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:: ::
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++ fold ^+ . :: complete and pop
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?~ hac .
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%= .
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hac t.hac
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cur [p.i.hac [fine q.i.hac]]
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==
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:: ::
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++ snap :: capture raw line
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=| nap/tape
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|- ^+ [nap +>]
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:: no unterminated lines
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::
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?~ los [~ +>(err `naz)]
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?: =(`@`10 i.los)
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:: consume newline
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::
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:_ +>(los t.los, naz [+(p.naz) 1])
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:: trim trailing spaces
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::
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|- ^- tape
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?: ?=({$' ' *} nap)
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$(nap t.nap)
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(flop nap)
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:: save byte and repeat
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::
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$(los t.los, q.naz +(q.naz), nap [i.los nap])
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:: ::
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++ skip +:snap :: discard line
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++ look :: inspect line
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^- (unit trig)
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?~ los
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`[q.naz %none]
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?: =(`@`10 i.los)
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~
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?: =(' ' i.los)
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look(los t.los, q.naz +(q.naz))
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:+ ~ q.naz
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?: =('\\' i.los)
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%done
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?: ?& =('#' i.los)
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|- ^- ?
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?~ t.los |
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?: =(' ' i.t.los) &
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?: =('#' i.t.los) $(t.los t.t.los)
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==
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%head
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?: ?=({$'-' $' ' *} los)
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%lite
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?: ?=({$'+' $' ' *} los)
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%lint
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%text
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:: ::
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++ cape :: xml-escape
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|= tex/tape
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^- tape
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?~ tex tex
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=+ $(tex t.tex)
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?+ i.tex [i.tex -]
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$34 ['&' 'q' 'u' 'o' 't' ';' -]
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$38 ['&' 'a' 'm' 'p' ';' -]
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$39 ['&' 'a' 'p' 'o' 's' ';' -]
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$60 ['&' 'l' 't' ';' -]
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$62 ['&' 'g' 't' ';' -]
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==
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:: ::
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++ clue :: tape to xml
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|= tex/tape
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^- manx
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[[%$ [%$ tex] ~] ~]
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:: ::
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++ cash :: escaped fence
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|* tem/rule
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;~ sfix
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%- star
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=+ ;~(pose bas tem)
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;~ pose
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(cold ' ' whit)
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;~(pose ;~(less - prn) ;~(pfix bas -))
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==
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::
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tem
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==
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:: ::
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++ cool :: reparse
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|* $: :: fex: primary parser
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:: sab: secondary parser
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::
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fex/rule
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sab/rule
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==
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|= {naz/hair los/tape}
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^+ *sab
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:: vex: fenced span
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::
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=/ vex/(like tape) (fex naz los)
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?~ q.vex vex
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:: hav: reparse full fenced text
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::
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=/ hav ((full sab) [naz p.u.q.vex])
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:: reparsed error position is always at start
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::
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?~ q.hav [naz ~]
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:: the complete span with the main product
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::
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:- p.vex
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`[p.u.q.hav q.u.q.vex]
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:: ::
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++ echo :: hoon literal
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|* sab/rule
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|= {naz/hair los/tape}
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^- (like tape)
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:: vex: result of parsing wide twig
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::
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=/ vex (sab naz los)
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:: use result of expression parser
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::
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?~ q.vex vex
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=- [p.vex `[- q.u.q.vex]]
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:: but replace payload with bytes consumed
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::
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|- ^- tape
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?: =(q.q.u.q.vex los) ~
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?~ los ~
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[i.los $(los +.los)]
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:: ::
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++ word :: flow parser
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%+ knee *(list graf) |. ~+
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;~ pose
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:: whitespace
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::
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(cold [%text " "]~ whit)
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:: ordinary word
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::
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%+ cook |=(graf [+< ~])
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(stag %text ;~(plug ;~(pose low hig) (star ;~(pose nud low hig hep))))
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:: naked \escape
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::
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%+ cook |=(@ [%text [+< ~]]~)
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;~(pfix bas ;~(less ace prn))
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:: *bold literal*
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::
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%+ cook |=(graf [+< ~])
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(stag %bold ;~(pfix tar (cool (cash tar) work)))
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:: _italic literal_
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::
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%+ cook |=(graf [+< ~])
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(stag %talc ;~(pfix cab (cool (cash cab) work)))
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:: "quoted text"
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::
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%+ cook |=(graf [+< ~])
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(stag %quod ;~(pfix doq (cool (cash doq) work)))
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:: `classic markdown quote`
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::
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%+ cook |=(graf [+< ~])
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(stag %code ;~(pfix tec (cash tec)))
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:: #twig
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::
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%+ cook |=(graf [+< ~])
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(stag %code ;~(pfix hax (echo wide:vast)))
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:: ++arm
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::
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%+ cook |=(graf [+< ~])
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(stag %code ;~(plug lus lus low (star ;~(pose nud low hep))))
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:: [arbitrary *content*](url)
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::
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%+ cook |=(graf [+< ~])
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%+ stag %link
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;~ plug
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;~(pfix sel (cool (cash ser) work))
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;~(pfix gay ;~(pfix pel (cash per)))
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==
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:: direct hoon constant
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::
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%+ cook |=(graf [+< ~])
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%+ stag %code
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%- echo
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;~ pose
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bisk:so
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tash:so
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;~(pfix dot perd:so)
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;~(pfix sig ;~(pose twid:so (easy [%$ %n 0])))
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;~(pfix cen ;~(pose sym buc pam bar qut nuck:so))
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==
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:: just a byte
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::
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(cook |=(@ [%text [+< ~]]~) ;~(less ace prn))
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==
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:: ::
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++ work :: indefinite flow
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%+ cook
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|=((list (list graf)) (zing +<))
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(star word)
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:: ::
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++ down :: parse inline flow
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%+ knee *(list manx) |. ~+
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%+ cook
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:: collect raw flow into xml tags
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::
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|= gaf/(list graf)
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^- (list manx)
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:: nap: collected words
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:: max: collected tags
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::
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=| fip/(list tape)
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=| max/(list manx)
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=< (flop max:main)
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|% ::
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++ fill %_ . :: unify text block
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max :_(max (clue (zing (flop fip))))
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fip ~
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== ::
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++ main ^+ . :: flow to
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?~ gaf fill
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?: ?=($text -.i.gaf)
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main(gaf t.gaf, fip [(cape p.i.gaf) fip])
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:: nex: first word in flow
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:: mor: rest of flow
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::
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=> :- [nex=i.gaf mor=t.gaf]
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:: combine accumulated text
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::
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fill
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:: convert and accumulate fragment
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::
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=- main(gaf mor, max (weld - max))
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^- (list manx)
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?- -.nex
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$bold [[%b ~] $(gaf p.nex)]~
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$talc [[%i ~] $(gaf p.nex)]~
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$code [[%code ~] (clue (cape p.nex)) ~]~
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$quod :: smart quotes
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::
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%= $
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gaf
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:- [%text `@`226 `@`128 `@`156 ~]
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%+ weld p.nex
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`(list graf)`[%text `@`226 `@`128 `@`157 ~]~
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==
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$link [[%a [%href (cape q.nex)] ~] $(gaf p.nex)]~
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==
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--
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work
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:: ::
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++ para :: paragraph
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%+ cook
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|=((list manx) [[%p ~] +<]~)
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;~(pfix gay down)
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:: ::
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++ whit :: whitespace
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(cold ' ' (plus ;~(pose (just ' ') (just `@`10))))
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:: ::
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++ head :: parse heading
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%+ cook
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|= $: :: a: list of #
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:: b: tag flow of header line
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::
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a/tape
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b/(list manx)
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==
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^- (list manx)
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:: hag: header tag, h1 through h6
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::
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=* hag (cat 3 'h' (add '0' =+((lent a) ?:((gth - 6) 6 -))))
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:: sid: header text flattened as id
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::
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=/ sid ^- tape
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:: assemble, normalize and kebab-case
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::
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=- %- zing
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%+ turn `(list tape)`(flop -)
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|= tape ^- tape
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%+ turn `tape`+<
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|= @tD
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^- @tD
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?: ?| &((gte +< 'a') (lte +< 'z'))
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&((gte +< '0') (lte +< '9'))
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==
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+<
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?: &((gte +< 'A') (lte +< 'Z'))
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(add 32 +<)
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'-'
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:: collect all text in header flow
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::
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=| ges/(list tape)
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|- ^- (list tape)
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?~ b ges
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%= $
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b t.b
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ges
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?: ?=({{$$ {$$ *} $~} $~} i.b)
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:: capture text
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::
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[v.i.a.g.i.b ges]
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:: descend into children
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::
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$(b c.i.b)
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==
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:: header as tag with id attribute
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::
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[[[hag [%id sid] ~] b] ~]
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;~ plug
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;~(sfix (star (just '#')) whit)
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down
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==
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:: ::
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++ made :: compose block
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^+ .
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:: empty block, no action
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::
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?~ lub .
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:: if block is preformatted code
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::
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?: ?=($code p.cur)
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:: add blank line between blocks
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::
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=. q.cur
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?~ q.cur q.cur
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:_(q.cur (clue `@`10 ~))
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%= .
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q.cur
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%+ weld
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%+ turn
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q.u.lub
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|= tape ^- flow
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:: each line is text data with its newline
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::
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(clue (weld (slag (dec col) +<) `tape`[`@`10 ~]))
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q.cur
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==
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:: if block is verse
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::
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?: ?=($poem p.cur)
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:: add break between stanzas
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::
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=. q.cur ?~(q.cur q.cur [[[%br ~] ~] q.cur])
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%= .
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q.cur
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%+ weld
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%+ turn
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q.u.lub
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|= tape ^- flow
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:: each line is a paragraph
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::
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:- [%p ~]
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:_ ~
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(clue (weld (slag (dec col) +<) `tape`[`@`10 ~]))
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q.cur
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==
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:: yex: block recomposed, with newlines
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::
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=/ yex/tape
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=/ hel (flop q.u.lub)
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|- ^- tape
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?~ hel ~
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?~ t.hel i.hel
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(weld i.hel `tape`[`@`10 $(hel t.hel)])
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:: XX live expressions stubbed out
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::
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?< ?=($expr p.cur)
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:: vex: parse of paragraph
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::
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=/ vex/(like (list manx))
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:: either a one-line header or a paragraph
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::
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%.([p.u.lub yex] ?:(?=($head p.cur) head para))
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:: if error, propagate correctly
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::
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?~ q.vex ..$(err `p.vex)
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:: finish tag if it's a header
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::
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=< ?. =(%head p.cur) ..$ fold
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:: save good result, clear buffer
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::
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..$(lub ~, q.cur (weld p.u.q.vex q.cur))
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:: ::
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++ line ^+ . :: body line loop
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:: abort after first error
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::
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?: !=(~ err) .
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:: pic: profile of this line
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::
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=/ pic look
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:: if line is blank
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::
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?~ pic
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:: break section
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::
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line:made:skip
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:: line is not blank
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::
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=> .(pic u.pic)
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:: if end of input, complete
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::
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?: ?=($none sty.pic)
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..$(q.naz col.pic)
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:: if end marker behind current column
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::
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?: &(?=($done sty.pic) (lth col.pic col))
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:: retract and complete
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::
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(back(q.naz (add 2 col.pic)) col.pic)
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:: bal: inspection copy of lub, current section
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::
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=/ bal lub
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:: if within section
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::
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?^ bal
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:: detect bad block structure
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::
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?: ?| :: only one line in a heading
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::
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=(%head p.cur)
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?: ?=(?($code $poem $expr) p.cur)
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:: literals need to end with a blank line
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::
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(lth col.pic col)
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:: text flows must continue aligned
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::
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|(!=(%text sty.pic) !=(col.pic col))
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==
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..$(err `[p.naz col.pic])
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:: accept line and continue
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::
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=^ nap ..$ snap
|
|
line(lub bal(q.u [nap q.u.bal]))
|
|
:: if column has retreated, adjust stack
|
|
::
|
|
=. ..$ ?. (lth col.pic col) ..$ (back col.pic)
|
|
:: dif: columns advanced
|
|
:: erp: error position
|
|
::
|
|
=/ dif (sub col.pic col)
|
|
=/ erp [p.naz col.pic]
|
|
=. col col.pic
|
|
:: nap: take first line
|
|
::
|
|
=^ nap ..$ snap
|
|
:: execute appropriate paragraph form
|
|
::
|
|
=< line:abet:apex
|
|
|%
|
|
:: ::
|
|
++ abet :: accept line
|
|
..$(lub `[naz nap ~])
|
|
:: ::
|
|
++ apex ^+ . :: by column offset
|
|
?+ dif fail
|
|
$0 apse
|
|
$2 expr
|
|
$4 code
|
|
$6 bloc
|
|
$8 poem
|
|
==
|
|
:: ::
|
|
++ apse ^+ . :: by prefix style
|
|
?- sty.pic
|
|
$done !!
|
|
$head head
|
|
$lite lite
|
|
$lint lint
|
|
$text text
|
|
==
|
|
:: ::
|
|
++ bloc apse:(push %bloc) :: blockquote line
|
|
++ fail .(err `erp) :: set error position
|
|
++ push |=(mite %_(+> hac [cur hac], cur [+< ~])) :: push context
|
|
++ expr (push %expr) :: hoon expression
|
|
++ code (push %code) :: code literal
|
|
++ poem (push %poem) :: verse literal
|
|
++ head (push %head) :: heading
|
|
++ lent :: list entry
|
|
|= ord/?
|
|
^+ +>
|
|
:: erase list marker
|
|
::
|
|
=. nap =+(+(col) (runt [- ' '] (slag - nap)))
|
|
:: indent by 2
|
|
::
|
|
=. col (add 2 col)
|
|
:: can't switch list types
|
|
::
|
|
?: =(?:(ord %list %lord) p.cur) fail
|
|
:: push list item
|
|
::
|
|
%. %lime
|
|
=< push
|
|
:: push list context, unless we're in list
|
|
::
|
|
=+ ?:(ord %lord %list)
|
|
?: =(- p.cur) ..push (push -)
|
|
::
|
|
++ lint (lent &) :: numbered list
|
|
++ lite (lent |) :: unnumbered list
|
|
++ text :: plain text
|
|
^+ .
|
|
:: only in lists, fold
|
|
::
|
|
?. ?=(?($list $lord) p.cur) .
|
|
.($ fold)
|
|
--
|
|
--
|
|
--
|