test.scm now shows examples for all surflets-input-fields.
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(define-structure surflet surflet-interface
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(open scheme-with-scsh
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surflets
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receiving
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srfi-1
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srfi-13
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srfi-14
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surflets/utilities
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surflets/callbacks
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httpd-responses)
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(begin
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(define global '())
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(define global 0)
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(define select (make-select-input-field '("a" "b" "c") #t '(@ (size 2))))
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(define selections (cons '("a" "b" "c")
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'("Andreas" "Bernd" "Clara")))
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(define radio-elements '(1 2 3 "a" *))
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(define select (make-annotated-select-input-field
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(map make-annotated-sel-if-option
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(car selections)
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(cdr selections))
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#t '(@ (size 2))))
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(define select2 (make-select-input-field (car selections)))
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(define text (make-text-input-field "yoho"))
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(define number (make-number-input-field 23))
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(define hidden (make-hidden-input-field "value"))
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(define password (make-password-input-field "asdf"))
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(define textarea (make-textarea-input-field "This
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is
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a
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test"))
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(define radio (make-annotated-radio-input-field-group))
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(define radios (map radio radio-elements))
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(define checkbox (make-annotated-checkbox-input-field "hooray!"))
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(define (result req arg)
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(define (translate-line-breaks text)
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(let lp ((result '())
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(text text))
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(let ((index (string-index text char-set:iso-control)))
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(if index
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(lp (cons '(br)
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(cons (substring/shared text 0 index) result))
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;; +2, as we probably have cr+lf
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(substring/shared text (+ index 2)))
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(reverse (cons text result))))))
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(define (cb-result req arg)
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(send-html
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`(html (title "Result")
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(body (h2 "Result")
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(p "Returned via callback with arg" (br)
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,(format #f "~s" arg))))))
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,(format #f "~s" arg))
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(hr)
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(p (url "test.scm" "Test again.") (br)
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(url "/" "Return to main menu."))))))
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(define an-cb (make-annotated-callback cb-result))
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(define addr (make-annotated-address))
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(define (main req)
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(set! global (cons 1 global))
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(let* ((an-cb (make-annotated-callback result))
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(addr (make-annotated-address))
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(req (send-html/suspend
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(set! global (+ 1 global))
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(let* ((req (send-html/suspend
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(lambda (new-url)
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`(html (body (h1 "This is from SUrflet")
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(p "called " ,(length global) " times")
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`(html
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(body
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(h1 "This is from SUrflet")
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(p "called " ,global " times")
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(p "Choose an annotated address:" (br)
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(ul
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(li (url ,(addr new-url "ab=ba") "ab=ba"))
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(li (url ,(addr new-url "Eva Gottwald") "ab=ba"))
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(li (url ,(addr new-url "be<ta") "be<ta"))
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(li (url ,(addr new-url) "<nothing>"))))
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(p "Or choose an annotated callback" (br)
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@ -35,53 +74,115 @@
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(li (url ,(an-cb '(1 2 3)) "'(1 2 3)"))
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(li (url ,(an-cb "hello") "hello"))
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(li (url ,(an-cb #f) "#f"))))
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(p "Or choose an input field." (br)
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(surflet-form
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,new-url
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POST
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,select
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'(input (@ (type "text") (name "TeST")))
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,(make-submit-button))
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(table
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(tr (td "Selection:") (td ,select))
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(tr (td "Selection2:") (td ,select2))
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(tr (td "Simple text: ") (td ,text))
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(tr (td "Number: " ) (td ,number))
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(tr (td "Hidden: " ) (td ,hidden))
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(tr (td "Password: " ) (td ,password))
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(tr (td "Textarea: " ) (td ,textarea))
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(tr (td "Radio:")
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(td ,(zip radios
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(map (lambda (elem)
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(list (format #f "~%~s" elem)
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'(nbsp) '(nbsp)))
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radio-elements))))
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(tr (td "Checkbox:") (td ,checkbox)))
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,(make-submit-button) ,(make-reset-button) (br)
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,(make-image-button "/img/221.gif")))
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(hr)
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(p (url "/" "Return to main menu."))
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)))))
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(save-k #f)
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(done? #f)
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(p (url "/" "Return to main menu.")))))))
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(bindings (get-bindings req))
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(selected (input-field-value select bindings))
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(selected2 (input-field-value select2 bindings))
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(text-entered (input-field-value text bindings))
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(number-entered (input-field-value number bindings))
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(hidden-value (input-field-value hidden bindings))
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(password-text (input-field-value password bindings))
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(textarea-text (input-field-value textarea bindings))
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(radio-result (input-field-value (radio #f) bindings))
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(checkbox-result (input-field-value checkbox bindings))
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(result
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(cond
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((returned-via? addr bindings) =>
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(lambda (string)
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(format #f "returned via annotated string ~s" string)))
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(else
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(format #f "~s" bindings)))))
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(call-with-current-continuation
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(lambda (k)
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(set! save-k k)
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13))
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(set! global (cons 1 global))
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(if (not done?)
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(set-text-input-field-value! text text-entered)
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(only-select-selected! select selected (cdr selections))
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(only-select-selected! select2 (list selected2) (car selections))
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(if number-entered
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(set-number-input-field-value! number number-entered))
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(set-hidden-input-field-value!
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hidden
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(string-append "value" (number->string global)))
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(set-password-input-field-value! password password-text)
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(set-textarea-input-field-value! textarea textarea-text)
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(if radio-result
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(begin
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(map uncheck-radio-input-field! radios)
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(check-radio-input-field!
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(list-ref radios
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(list-index (lambda (a) (equal? a radio-result))
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radio-elements)))))
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(if checkbox-result
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(check-checkbox-input-field! checkbox)
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(uncheck-checkbox-input-field! checkbox))
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`(p "Returned via submit" (br)
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"Bindings were: " ,(format #f "~s" bindings) (br)
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(table
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(@ (valign "top"))
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(tr (td "Selected: ") (td ,(format #f "~s" selected)))
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(tr (td "Selected2:") (td ,(format #f "~s" selected2)))
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(tr (td "Text entered:") (td ,(format #f "~s" text-entered)))
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(tr (td "Number entered:")
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(td ,(if number-entered
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number-entered
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"no valid number")))
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(tr (td "Hidden:") (td ,hidden-value))
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(tr (td "Plain password:") (td ,password-text ))
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(tr (td "Textarea:")
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(td #\" ,@(translate-line-breaks textarea-text) #\"))
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(tr (td "Radio:") (td ,(format #f "~s" radio-result)))
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(tr (td "Checkbox:") (td ,(format #f "~s" checkbox-result)))))
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))))
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(set! global (+ 1 global))
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(send-html/suspend
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(lambda (continue)
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`(html (body (h1 "Result")
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(p "called " ,(length global) " times")
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(p "called " ,global " times")
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,result (br)
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(url ,continue "show results again")
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(url ,continue "show results again") (br)
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(url ,(make-callback main) "continue testing")
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(font (@ (size "small"))
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"(Note: This is not a browser history link)")
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(hr)
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(p (url "test.scm" "Test again.") (br)
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(url "/" "Return to main menu."))))))
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(set! done? #t)
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(save-k 13))
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(send-html/finish
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`(html (body (h1 "Result 2")
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(p "called " ,(length global) " times")
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(p "called " ,global " times")
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,(format #f "~s" (get-bindings req))
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(hr)
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(p (url "test.scm" "Test again.") (br)
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(url "/" "Return to main menu."))))))))
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(url "/" "Return to main menu.")))))))
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(define (only-select-selected! sel-if selected indices)
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(for-each (lambda (index)
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(unselect-sel-if-option! index sel-if))
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(iota (length (cdr selections))))
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(for-each (lambda (selected)
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(select-sel-if-option!
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(list-index (lambda (s) (string=? s selected))
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indices)
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sel-if))
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selected))
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))
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