From 7cce7ae59fdbee5bc9b47b8df44f3065487ca732 Mon Sep 17 00:00:00 2001 From: Matthew Butterick Date: Sun, 11 Aug 2013 18:21:49 -0700 Subject: [PATCH] renamings: convert named-xexpr to tagged-xexpr, name to tag, content to elements --- decode.rkt | 51 ++++++++--------- main.rkt | 6 +- tests/requires/include-me.rkt | 95 ++++++++++++++++--------------- tools.rkt | 102 +++++++++++++++++----------------- 4 files changed, 130 insertions(+), 124 deletions(-) diff --git a/decode.rkt b/decode.rkt index dd515a5..5763ffe 100644 --- a/decode.rkt +++ b/decode.rkt @@ -6,7 +6,8 @@ (require (prefix-in scribble: (only-in scribble/decode whitespace?))) (module+ test (require rackunit)) -(require "tools.rkt" "library/html.rkt") +(require "tools.rkt") +(require (prefix-in html: "library/html.rkt")) (provide (all-defined-out)) @@ -55,14 +56,14 @@ '(p "\n" "foo" "\n\n" "bar" (em "\n\n\n")))) -(define block-names block-tags) -(define (register-block-name tag) - (set! block-names (cons tag block-names))) +(define block-tags html:block-tags) +(define (register-block-tag tag) + (set! block-tags (cons tag block-tags))) ;; todo: add native support for list-xexpr ;; decode triple newlines to list items -;; is the named-xexpr a block element (as opposed to inline) +;; is the tagged-xexpr a block element (as opposed to inline) (define/contract (block-xexpr? x) (any/c . -> . boolean?) ;; this is a change in behavior since first pollen @@ -70,7 +71,7 @@ ;; todo: make sure this is what I want. ;; this is, however, more consistent with browser behavior ;; (browsers assume that tags are inline by default) - ((named-xexpr? x) . and . (->boolean ((named-xexpr-name x) . in . block-names)))) + ((tagged-xexpr? x) . and . (->boolean ((tagged-xexpr-tag x) . in . block-tags)))) (module+ test (check-true (block-xexpr? '(p "foo"))) @@ -129,18 +130,18 @@ ;; function to strip metas (or any tag) (define/contract (extract-tag-from-xexpr tag nx) - (xexpr-name? named-xexpr? . -> . (values named-xexpr? xexpr-content?)) + (xexpr-tag? tagged-xexpr? . -> . (values tagged-xexpr? xexpr-elements?)) (define matches '()) (define (extract-tag x) (cond - [(and (named-xexpr? x) (equal? tag (car x))) + [(and (tagged-xexpr? x) (equal? tag (car x))) ; stash matched tag but return empty value (begin (set! matches (cons x matches)) empty)] - [(named-xexpr? x) (let-values([(name attr body) (break-named-xexpr x)]) - (make-named-xexpr name attr (extract-tag body)))] - [(xexpr-content? x) (filter-not empty? (map extract-tag x))] + [(tagged-xexpr? x) (let-values([(tag attr body) (break-tagged-xexpr x)]) + (make-tagged-xexpr tag attr (extract-tag body)))] + [(xexpr-elements? x) (filter-not empty? (map extract-tag x))] [else x])) (values (extract-tag nx) (reverse matches))) @@ -154,42 +155,42 @@ '((meta "foo" "bar") (meta "foo2" "bar2") (meta "foo3" "bar3"))))) ;; decoder wireframe (define/contract (decode nx - #:exclude-xexpr-names [excluded-xexpr-names '()] - #:xexpr-name-proc [xexpr-name-proc (λ(x)x)] + #:exclude-xexpr-tags [excluded-xexpr-tags '()] + #:xexpr-tag-proc [xexpr-tag-proc (λ(x)x)] #:xexpr-attr-proc [xexpr-attr-proc (λ(x)x)] - #:xexpr-content-proc [xexpr-content-proc (λ(x)x)] + #:xexpr-elements-proc [xexpr-elements-proc (λ(x)x)] #:block-xexpr-proc [block-xexpr-proc (λ(x)x)] #:inline-xexpr-proc [inline-xexpr-proc (λ(x)x)] #:string-proc [string-proc (λ(x)x)] #:meta-proc [meta-proc (λ(x)x)]) ;; use xexpr/c for contract because it gives better error messages - ((xexpr/c) (#:exclude-xexpr-names (λ(i) (or (symbol? i) (list? i))) - #:xexpr-name-proc procedure? + ((xexpr/c) (#:exclude-xexpr-tags (λ(i) (or (symbol? i) (list? i))) + #:xexpr-tag-proc procedure? #:xexpr-attr-proc procedure? - #:xexpr-content-proc procedure? + #:xexpr-elements-proc procedure? #:block-xexpr-proc procedure? #:inline-xexpr-proc procedure? #:string-proc procedure? #:meta-proc procedure?) - . ->* . named-xexpr?) - (when (not (named-xexpr? nx)) - (error (format "decode: ~v not a full named-xexpr" nx))) + . ->* . tagged-xexpr?) + (when (not (tagged-xexpr? nx)) + (error (format "decode: ~v not a full tagged-xexpr" nx))) (define metas (list)) (define (&decode x) (cond - [(named-xexpr? x) (let-values([(name attr content) (break-named-xexpr x)]) - (if (name . in . (->list excluded-xexpr-names)) + [(tagged-xexpr? x) (let-values([(tag attr elements) (break-tagged-xexpr x)]) + (if (tag . in . (->list excluded-xexpr-tags)) x (let ([decoded-xexpr - (apply make-named-xexpr (map &decode (list name attr content)))]) + (apply make-tagged-xexpr (map &decode (list tag attr elements)))]) ((if (block-xexpr? decoded-xexpr) block-xexpr-proc inline-xexpr-proc) decoded-xexpr))))] - [(xexpr-name? x) (xexpr-name-proc x)] + [(xexpr-tag? x) (xexpr-tag-proc x)] [(xexpr-attr? x) (xexpr-attr-proc x)] - [(xexpr-content? x) (map &decode (xexpr-content-proc x))] + [(xexpr-elements? x) (map &decode (xexpr-elements-proc x))] [(string? x) (string-proc x)] [else x])) diff --git a/main.rkt b/main.rkt index 1fef9a6..7913140 100644 --- a/main.rkt +++ b/main.rkt @@ -51,12 +51,12 @@ ;; One of the annoyances of Scribble is its insistence on decoding. ;; Better just to pass through the minimally processed data. ;; Root is treated as a function. - ;; If it's not defined elsewhere, it just hits #%top and becomes a named-xexpr. + ;; If it's not defined elsewhere, it just hits #%top and becomes a tagged-xexpr. (define main (apply root (append (cond [(string? doc) (list doc)] ; doc is probably a list, but might be a single string - [(named-xexpr? doc) (list doc)] ; if it's a single nx, just leave it + [(tagged-xexpr? doc) (list doc)] ; if it's a single nx, just leave it [(list? doc) doc]) ; if it's nx content, splice it in (list `(meta "here" ,inner-here))))) ; append inner-here as meta @@ -67,4 +67,4 @@ (module+ main (print main) (displayln "") - (displayln (format "named-xexpr? ~a" (named-xexpr? main)))))) + (displayln (format "tagged-xexpr? ~a" (tagged-xexpr? main)))))) diff --git a/tests/requires/include-me.rkt b/tests/requires/include-me.rkt index 33496eb..315134b 100644 --- a/tests/requires/include-me.rkt +++ b/tests/requires/include-me.rkt @@ -8,13 +8,13 @@ ;; register custom block tags -(register-block-name 'bloq) -(register-block-name 'fooble) +(register-block-tag 'bloq) +(register-block-tag 'fooble) ;; handle meta tags (define/contract (meta-proc meta) - (meta-xexpr? . -> . named-xexpr?) + (meta-xexpr? . -> . tagged-xexpr?) `(meta ((name ,(second meta))(content ,(third meta))))) (module+ test @@ -35,7 +35,7 @@ (define/contract (convert-linebreaks xc #:newline [newline "\n"]) - ((xexpr-content?) (#:newline string?) . ->* . xexpr-content?) + ((xexpr-elements?) (#:newline string?) . ->* . xexpr-elements?) ;; todo: should this test be not block + not whitespace? (define not-block? (λ(i) (not (block-xexpr? i)))) (filter-not empty? @@ -61,9 +61,9 @@ (check-equal? (convert-linebreaks '("foo" "moo" "bar") #:newline "moo") '("foo" (br) "bar")) (check-equal? (convert-linebreaks '("foo" "\n\n" "bar")) '("foo" "\n\n" "bar"))) -;; prepare content for paragraph testing +;; prepare elements for paragraph testing (define/contract (prep-paragraph-flow xc) - (xexpr-content? . -> . xexpr-content?) + (xexpr-elements? . -> . xexpr-elements?) (convert-linebreaks (merge-newlines (trim xc whitespace?)))) (module+ test @@ -72,14 +72,14 @@ ;; apply paragraph tag (define/contract (wrap-paragraph xc #:tag [tag 'p]) - ((xexpr-content?) (#:tag symbol?) . ->* . block-xexpr?) + ((xexpr-elements?) (#:tag symbol?) . ->* . block-xexpr?) (match xc [(list (? block-xexpr? bx)) bx] ; leave a single block xexpr alone - [else (make-named-xexpr tag empty xc)])) ; otherwise wrap in p tag + [else (make-tagged-xexpr tag empty xc)])) ; otherwise wrap in p tag (module+ test (check-equal? (wrap-paragraph '("foo" "bar")) '(p "foo" "bar")) - (check-equal? (begin (register-block-name 'para) (wrap-paragraph #:tag 'para '("foo" "bar"))) + (check-equal? (begin (register-block-tag 'para) (wrap-paragraph #:tag 'para '("foo" "bar"))) '(para "foo" "bar")) (check-equal? (wrap-paragraph '((p "bar" "foo"))) '(p "bar" "foo")) (check-equal? (wrap-paragraph '((div "bar" "foo") "Hi" )) '(p (div "bar" "foo") "Hi"))) @@ -87,42 +87,44 @@ ;; detect paragraphs ;; todo: unit tests -(define/contract (xexpr-content-proc content) - (xexpr-content? . -> . xexpr-content?) - (let ([content (prep-paragraph-flow content)]) - (if (ormap paragraph-break? content) ; need this condition to prevent infinite recursion - (map wrap-paragraph (splitf-at* content paragraph-break?)) ; split into ¶¶ - content))) +(define/contract (xexpr-elements-proc elements) + (xexpr-elements? . -> . xexpr-elements?) + (let ([elements (prep-paragraph-flow elements)]) + (if (ormap paragraph-break? elements) ; need this condition to prevent infinite recursion + (map wrap-paragraph (splitf-at* elements paragraph-break?)) ; split into ¶¶ + elements))) ;; insert nbsp between last two words -(define/contract (nonbreaking-last-space x #:nbsp-char [nbsp #\ ]) - ((named-xexpr?) (#:nbsp-char char?) . ->* . named-xexpr?) - (define minimum-word-length (add1 5)) ; add1 to account for final punctuation - ; todo: parameterize this, as it will be different for each project +(define/contract (nonbreaking-last-space x + #:nbsp [nbsp (->string #\u00A0)] + #:minimum-word-length [minimum-word-length 6]) + ((tagged-xexpr?) (#:nbsp string? #:minimum-word-length integer?) . ->* . tagged-xexpr?) + ;; todo: parameterize this, as it will be different for each project (define tags-to-pay-attention-to '(p aside)) ; only apply to paragraphs (define (replace-last-space str) (if (#\space . in . str) - (let ([reversed-str-list (reverse (string->list str))]) + (let ([reversed-str-list (reverse (string->list str))] + [reversed-nbsp (reverse (string->list nbsp))]) (define-values (last-word-chars other-chars) (splitf-at reversed-str-list (λ(i) (not (eq? i #\space))))) (list->string (reverse (append last-word-chars ; OK for long words to be on their own line. (if (< (len last-word-chars) minimum-word-length) ; first char of other-chars will be the space, so use cdr - (cons nbsp (cdr other-chars)) + (append reversed-nbsp (cdr other-chars)) other-chars))))) str)) (define (find-last-word-space x) ; recursively traverse xexpr (cond [(string? x) (replace-last-space x)] - [(named-xexpr? x) - (let-values([(name attr content) (break-named-xexpr x)]) - (if (> (length content) 0) ; content is list of xexprs - (let-values ([(all-but-last last) (split-at content (sub1 (length content)))]) - (make-named-xexpr name attr `(,@all-but-last ,(find-last-word-space (car last))))) + [(tagged-xexpr? x) + (let-values([(tag attr elements) (break-tagged-xexpr x)]) + (if (> (length elements) 0) ; elements is list of xexprs + (let-values ([(all-but-last last) (split-at elements (sub1 (length elements)))]) + (make-tagged-xexpr tag attr `(,@all-but-last ,(find-last-word-space (car last))))) x))] [else x])) @@ -132,23 +134,26 @@ ;; todo: make some tougher tests, it gets flaky with edge cases (module+ test - (check-equal? (nonbreaking-last-space '(p "Hi there")) '(p "Hi there")) ; nbsp in between last two words - (check-equal? (nonbreaking-last-space '(p "Hi there") #:nbsp-char #\Ø) '(p "HiØthere")) ; but let's make it visible - (check-equal? (nonbreaking-last-space '(p "Hi here" (em "ho there")) #:nbsp-char #\Ø) '(p "Hi here" (em "hoØthere")))) + (check-equal? (nonbreaking-last-space '(p "Hi there")) '(p "Hi there")) ; nbsp in between last two words + (check-equal? (nonbreaking-last-space '(p "Hi there") #:nbsp "Ø") '(p "HiØthere")) ; but let's make it visible + (check-equal? (nonbreaking-last-space '(p "Hi there") #:nbsp "_up_") '(p "Hi_up_there")) + (check-equal? (nonbreaking-last-space '(p "Hi there") #:nbsp "_up_" #:minimum-word-length 3) + '(p "Hi there")) + (check-equal? (nonbreaking-last-space '(p "Hi here" (em "ho there")) #:nbsp "Ø") '(p "Hi here" (em "hoØthere")))) ; wrap initial quotes for hanging punctuation ; todo: improve this ; does not handle

thing properly (define/contract (wrap-hanging-quotes nx) - (named-xexpr? . -> . named-xexpr?) + (tagged-xexpr? . -> . tagged-xexpr?) (define two-char-string? (λ(i) (and (string? i) (>= (len i) 2)))) - (define-values (name attr content) (break-named-xexpr nx)) - (define new-car-content - (match (car content) - [(? two-char-string? str) - (define str-first (get str 0)) - (define str-rest (get str 1 'end)) + (define-values (tag attr elements) (break-tagged-xexpr nx)) + (define new-car-elements + (match (car elements) + [(? two-char-string? tcs) + (define str-first (get tcs 0)) + (define str-rest (get tcs 1 'end)) (cond [(str-first . in . '("\"" "“")) ;; can wrap with any inline tag @@ -156,10 +161,10 @@ `(hang-double-quote ,(->string #\“) ,str-rest)] [(str-first . in . '("\'" "‘")) `(hang-single-quote ,(->string #\‘) ,str-rest)] - [else str])] - [(? named-xexpr? nx) (wrap-hanging-quotes nx)] - [else (car content)])) - (make-named-xexpr name attr (cons new-car-content (cdr content)))) + [else tcs])] + [(? tagged-xexpr? nx) (wrap-hanging-quotes nx)] + [else (car elements)])) + (make-tagged-xexpr tag attr (cons new-car-elements (cdr elements)))) (module+ test @@ -168,7 +173,7 @@ (define (block-xexpr-proc bx) - (named-xexpr? . -> . named-xexpr?) + (tagged-xexpr? . -> . tagged-xexpr?) (wrap-hanging-quotes (nonbreaking-last-space bx))) @@ -216,12 +221,12 @@ (define (root . items) - (named-xexpr? . -> . named-xexpr?) + (tagged-xexpr? . -> . tagged-xexpr?) (decode (cons 'root items) - ; #:exclude-xexpr-names 'em - ; #:xexpr-name-proc [xexpr-name-proc (λ(x)x)] + ; #:exclude-xexpr-tags 'em + ; #:xexpr-tag-proc [xexpr-tag-proc (λ(x)x)] ; #:xexpr-attr-proc [xexpr-attr-proc (λ(x)x)] - #:xexpr-content-proc xexpr-content-proc + #:xexpr-elements-proc xexpr-elements-proc #:block-xexpr-proc block-xexpr-proc ; #:inline-xexpr-proc [inline-xexpr-proc (λ(x)x)] #:string-proc string-proc diff --git a/tools.rkt b/tools.rkt index e7c9597..ba45a40 100644 --- a/tools.rkt +++ b/tools.rkt @@ -58,8 +58,8 @@ (check-not-equal? (remove-all-ext foo.bar.txt-path) foo.bar-path) ; removes more than one ext (check-equal? (remove-all-ext foo.bar.txt-path) foo-path)) -;; is it an xexpr name? -(define/contract (xexpr-name? x) +;; is it an xexpr tag? +(define/contract (xexpr-tag? x) (any/c . -> . boolean?) (symbol? x)) @@ -81,41 +81,41 @@ ;; is it xexpr content? -(define/contract (xexpr-content? x) +(define/contract (xexpr-elements? x) (any/c . -> . boolean?) (match x ;; this is more strict than xexpr definition in xml module ;; don't allow symbols or numbers to be part of content - [(list elem ...) (andmap (λ(i) (or (string? i) (named-xexpr? i))) elem)] + [(list elem ...) (andmap (λ(i) (or (string? i) (tagged-xexpr? i))) elem)] [else #f])) (module+ test - (check-true (xexpr-content? '("p" "foo" "123"))) - (check-false (xexpr-content? "foo")) ; not a list - (check-false (xexpr-content? '("p" "foo" 123))) ; includes number - (check-false (xexpr-content? '(p "foo" "123"))) ; includes symbol - (check-false (xexpr-content? '(((key "value")) "foo" "bar"))) ; includes attr - (check-false (xexpr-content? '("foo" "bar" ((key "value")))))) ; malformed + (check-true (xexpr-elements? '("p" "foo" "123"))) + (check-false (xexpr-elements? "foo")) ; not a list + (check-false (xexpr-elements? '("p" "foo" 123))) ; includes number + (check-false (xexpr-elements? '(p "foo" "123"))) ; includes symbol + (check-false (xexpr-elements? '(((key "value")) "foo" "bar"))) ; includes attr + (check-false (xexpr-elements? '("foo" "bar" ((key "value")))))) ; malformed ;; is it a named x-expression? ;; todo: rewrite this recurively so errors can be pinpointed (for debugging) -(define/contract (named-xexpr? x) +(define/contract (tagged-xexpr? x) (any/c . -> . boolean?) (and (xexpr? x) ; meets basic xexpr contract (match x [(list (? symbol? name) rest ...) ; is a list starting with a symbol - (or (xexpr-content? rest) ; the rest is content or ... - (and (xexpr-attr? (car rest)) (xexpr-content? (cdr rest))))] ; attr + content + (or (xexpr-elements? rest) ; the rest is content or ... + (and (xexpr-attr? (car rest)) (xexpr-elements? (cdr rest))))] ; attr + content [else #f]))) (module+ test - (check-true (named-xexpr? '(p "foo" "bar"))) - (check-true (named-xexpr? '(p ((key "value")) "foo" "bar"))) - (check-false (named-xexpr? "foo")) ; not a list with symbol - (check-false (named-xexpr? '(p "foo" "bar" ((key "value"))))) ; malformed - (check-false (named-xexpr? '("p" "foo" "bar"))) ; no name - (check-false (named-xexpr? '(p 123)))) ; content is a number + (check-true (tagged-xexpr? '(p "foo" "bar"))) + (check-true (tagged-xexpr? '(p ((key "value")) "foo" "bar"))) + (check-false (tagged-xexpr? "foo")) ; not a list with symbol + (check-false (tagged-xexpr? '(p "foo" "bar" ((key "value"))))) ; malformed + (check-false (tagged-xexpr? '("p" "foo" "bar"))) ; no name + (check-false (tagged-xexpr? '(p 123)))) ; content is a number @@ -125,61 +125,61 @@ (call-with-values (λ() vs) list)) -;; create named-xexpr from parts (opposite of break-named-xexpr) -(define/contract (make-named-xexpr name [attr empty] [content empty]) - ((symbol?) (xexpr-attr? xexpr-content?) . ->* . named-xexpr?) +;; create tagged-xexpr from parts (opposite of break-tagged-xexpr) +(define/contract (make-tagged-xexpr name [attr empty] [content empty]) + ((symbol?) (xexpr-attr? xexpr-elements?) . ->* . tagged-xexpr?) (filter-not empty? `(,name ,attr ,@content))) (module+ test - (check-equal? (make-named-xexpr 'p) '(p)) - (check-equal? (make-named-xexpr 'p '((key "value"))) '(p ((key "value")))) - (check-equal? (make-named-xexpr 'p empty '("foo" "bar")) '(p "foo" "bar")) - (check-equal? (make-named-xexpr 'p '((key "value")) (list "foo" "bar")) + (check-equal? (make-tagged-xexpr 'p) '(p)) + (check-equal? (make-tagged-xexpr 'p '((key "value"))) '(p ((key "value")))) + (check-equal? (make-tagged-xexpr 'p empty '("foo" "bar")) '(p "foo" "bar")) + (check-equal? (make-tagged-xexpr 'p '((key "value")) (list "foo" "bar")) '(p ((key "value")) "foo" "bar"))) -;; decompose named-xexpr into parts (opposite of make-named-xexpr) -(define/contract (break-named-xexpr nx) - (named-xexpr? . -> . (values symbol? xexpr-attr? xexpr-content?)) +;; decompose tagged-xexpr into parts (opposite of make-tagged-xexpr) +(define/contract (break-tagged-xexpr nx) + (tagged-xexpr? . -> . (values symbol? xexpr-attr? xexpr-elements?)) (match - ; named-xexpr may or may not have attr + ; tagged-xexpr may or may not have attr ; if not, add empty attr so that decomposition only handles one case (match nx [(list _ (? xexpr-attr?) _ ...) nx] [else `(,(car nx) ,empty ,@(cdr nx))]) - [(list name attr content ...) (values name attr content)])) + [(list tag attr content ...) (values tag attr content)])) (module+ test - (check-equal? (values->list (break-named-xexpr '(p))) + (check-equal? (values->list (break-tagged-xexpr '(p))) (values->list (values 'p empty empty))) - (check-equal? (values->list (break-named-xexpr '(p "foo"))) + (check-equal? (values->list (break-tagged-xexpr '(p "foo"))) (values->list (values 'p empty '("foo")))) - (check-equal? (values->list (break-named-xexpr '(p ((key "value"))))) + (check-equal? (values->list (break-tagged-xexpr '(p ((key "value"))))) (values->list (values 'p '((key "value")) empty))) - (check-equal? (values->list (break-named-xexpr '(p ((key "value")) "foo"))) + (check-equal? (values->list (break-tagged-xexpr '(p ((key "value")) "foo"))) (values->list (values 'p '((key "value")) '("foo"))))) -;; convenience functions to retrieve only one part of named-xexpr -(define (named-xexpr-name nx) - (named-xexpr? . -> . symbol?) - (define-values (name attr content) (break-named-xexpr nx)) - name) +;; convenience functions to retrieve only one part of tagged-xexpr +(define (tagged-xexpr-tag nx) + (tagged-xexpr? . -> . xexpr-tag?) + (define-values (tag attr content) (break-tagged-xexpr nx)) + tag) -(define (named-xexpr-attr nx) - (named-xexpr? . -> . xexpr-attr?) - (define-values (name attr content) (break-named-xexpr nx)) +(define (tagged-xexpr-attr nx) + (tagged-xexpr? . -> . xexpr-attr?) + (define-values (tag attr content) (break-tagged-xexpr nx)) attr) -(define (named-xexpr-content nx) - (named-xexpr? . -> . xexpr-content?) - (define-values (name attr content) (break-named-xexpr nx)) - content) +(define (tagged-xexpr-elements nx) + (tagged-xexpr? . -> . xexpr-elements?) + (define-values (tag attrt elements) (break-tagged-xexpr nx)) + elements) (module+ test - (check-equal? (named-xexpr-name '(p ((key "value"))"foo" "bar" (em "square"))) 'p) - (check-equal? (named-xexpr-attr '(p ((key "value"))"foo" "bar" (em "square"))) '((key "value"))) - (check-equal? (named-xexpr-content '(p ((key "value"))"foo" "bar" (em "square"))) + (check-equal? (tagged-xexpr-tag '(p ((key "value"))"foo" "bar" (em "square"))) 'p) + (check-equal? (tagged-xexpr-attr '(p ((key "value"))"foo" "bar" (em "square"))) '((key "value"))) + (check-equal? (tagged-xexpr-elements '(p ((key "value"))"foo" "bar" (em "square"))) '("foo" "bar" (em "square")))) @@ -214,7 +214,7 @@ (check-equal? (filter-not-tree string? '(p)) '(p)) (check-equal? (filter-not-tree string? '(p "foo" "bar")) '(p)) (check-equal? (filter-not-tree string? '(p "foo" (p "bar"))) '(p (p))) - ;(check-equal? (filter-tree (λ(i) (and (named-xexpr? i) (equal? 'em (car i)))) '(p "foo" (em "bar"))) '(p "foo")) + ;(check-equal? (filter-tree (λ(i) (and (tagged-xexpr? i) (equal? 'em (car i)))) '(p "foo" (em "bar"))) '(p "foo")) )