diff --git a/collects/racket/sandbox.rkt b/collects/racket/sandbox.rkt index 65a6e17dc3..c08eaf7723 100644 --- a/collects/racket/sandbox.rkt +++ b/collects/racket/sandbox.rkt @@ -1,11 +1,11 @@ -#lang scheme/base +#lang racket/base -(require scheme/port - scheme/path - scheme/list - scheme/string +(require racket/port + racket/path + racket/list + racket/string syntax/moddep - scheme/gui/dynamic + racket/gui/dynamic planet/config) (provide gui? @@ -53,7 +53,7 @@ (define gui? (gui-available?)) -(define-syntax mz/mr ; use a value for mzscheme, or pull a mred binding +(define-syntax mz/mr ; use a value for mzracket, or pull a mred binding (syntax-rules () [(mz/mr mzval mrsym) (if gui? (gui-dynamic-require 'mrsym) mzval)])) @@ -479,8 +479,8 @@ ;; needed to make the test-engine work (let ([orig-ns (namespace-anchor->empty-namespace anchor)]) (parameterize ([current-namespace orig-ns]) - (dynamic-require 'scheme/class #f)) - (namespace-attach-module orig-ns 'scheme/class))])) + (dynamic-require 'racket/class #f)) + (namespace-attach-module orig-ns 'racket/class))])) ;; Returns a single (module ...) or (begin ...) expression (a `begin' list ;; will be evaluated one by one -- the language might not have a `begin'). @@ -490,7 +490,7 @@ ;; A more general solution would be to create a new module that exports ;; the given language plus all of the given extra requires. ;; -;; We use `#%requre' because, unlike the `require' of scheme/base, +;; We use `#%requre' because, unlike the `require' of racket/base, ;; it comes from `#%kernel', so it's always present through ;; transitive requires. (define (build-program language requires input-program) @@ -882,7 +882,7 @@ (if (eq? h default-sandbox-exit-handler) (lambda _ (terminate+kill! 'exited #f)) h))] - ;; Note the above definition of `current-eventspace': in MzScheme, it + ;; Note the above definition of `current-eventspace': in Racket, it ;; is an unused parameter. Also note that creating an eventspace ;; starts a thread that will eventually run the callback code (which ;; evaluates the program in `run-in-bg') -- so this parameterization diff --git a/collects/scheme/base.rkt b/collects/scheme/base.rkt index a02cf9fd4a..9ce71d3cee 100644 --- a/collects/scheme/base.rkt +++ b/collects/scheme/base.rkt @@ -1,5 +1,8 @@ #lang scheme/private +(require "private/namespace.ss") (provide (except-out (all-from-out racket/base) struct - hash hasheq hasheqv)) + hash hasheq hasheqv) + make-base-empty-namespace + make-base-namespace) diff --git a/collects/scheme/private/namespace.ss b/collects/scheme/private/namespace.ss new file mode 100644 index 0000000000..657fdc329f --- /dev/null +++ b/collects/scheme/private/namespace.ss @@ -0,0 +1,21 @@ +#lang racket/base + +(provide make-base-empty-namespace + make-base-namespace) + +(define orig-varref (#%variable-reference orig-varref)) + +(define (make-base-empty-namespace) + (let* ([this-ns (variable-reference->empty-namespace orig-varref)] + [ns (parameterize ([current-namespace this-ns]) ; ensures correct phase + (make-empty-namespace))]) + (namespace-attach-module this-ns + 'scheme/base + ns) + ns)) + +(define (make-base-namespace) + (let ([ns (make-base-empty-namespace)]) + (parameterize ([current-namespace ns]) + (namespace-require 'scheme/base)) + ns)) diff --git a/collects/scheme/sandbox.rkt b/collects/scheme/sandbox.rkt index dead2ecec8..75d4169142 100644 --- a/collects/scheme/sandbox.rkt +++ b/collects/scheme/sandbox.rkt @@ -1,2 +1,36 @@ -#lang scheme/private/provider -racket/sandbox +#lang scheme/base +(require racket/sandbox + scheme/gui/dynamic) + +(provide (except-out (all-from-out racket/sandbox) + sandbox-namespace-specs + make-evaluator + make-module-evaluator) + (rename-out + [scheme:sandbox-namespace-specs sandbox-namespace-specs] + [scheme:make-evaluator make-evaluator] + [scheme:make-module-evaluator make-module-evaluator])) + +;; copied from racket/sandbox :( +(define-syntax mz/mr ; use a value for mzracket, or pull a mred binding + (syntax-rules () + [(mz/mr mzval mrsym) + (if gui? (gui-dynamic-require 'mrsym) mzval)])) + + +(define scheme:sandbox-namespace-specs + (make-parameter `(,(mz/mr make-base-namespace make-gui-namespace)))) + +(define (scheme:make-evaluator language + #:requires [requires null] #:allow-read [allow null] + . input-program) + (parameterize ([sandbox-namespace-specs (scheme:sandbox-namespace-specs)]) + (apply make-evaluator + language #:requires requires #:allow-read allow + input-program))) + +(define (scheme:make-module-evaluator + input-program #:allow-read [allow null] #:language [reqlang #f]) + (parameterize ([sandbox-namespace-specs (scheme:sandbox-namespace-specs)]) + (make-module-evaluator + input-program #:allow-read allow #:language reqlang))) diff --git a/collects/scribble/eval.ss b/collects/scribble/eval.ss index c2c01634c4..f0a8f74578 100644 --- a/collects/scribble/eval.ss +++ b/collects/scribble/eval.ss @@ -5,7 +5,7 @@ "scheme.ss" "decode.ss" racket/file - scheme/sandbox + racket/sandbox racket/promise mzlib/string (for-syntax racket/base)) diff --git a/collects/scribble/text.ss b/collects/scribble/text.ss index 6532984523..90c106d57e 100644 --- a/collects/scribble/text.ss +++ b/collects/scribble/text.ss @@ -1,5 +1,5 @@ -#lang scheme/base +#lang racket/base -(require scheme/promise "text/output.ss" "text/syntax-utils.ss") -(provide (all-from-out scheme/promise "text/output.ss") +(require racket/promise "text/output.ss" "text/syntax-utils.ss") +(provide (all-from-out racket/promise "text/output.ss") begin/text include/text) diff --git a/collects/scribble/text/textlang.ss b/collects/scribble/text/textlang.ss index 9a31fa3405..0708781f5c 100644 --- a/collects/scribble/text/textlang.ss +++ b/collects/scribble/text/textlang.ss @@ -1,9 +1,9 @@ -#lang scheme/base +#lang racket/base -(require "syntax-utils.ss" "output.ss" scheme/promise) +(require "syntax-utils.ss" "output.ss" racket/promise) -(provide (except-out (all-from-out scheme/base) #%module-begin) - (all-from-out "output.ss" scheme/promise) +(provide (except-out (all-from-out racket/base) #%module-begin) + (all-from-out "output.ss" racket/promise) begin/text (rename-out [module-begin/text #%module-begin] [include/text include])) diff --git a/collects/scribblings/scheme/scheme.scrbl b/collects/scribblings/scheme/scheme.scrbl index 55ddc949b2..0fff806222 100644 --- a/collects/scribblings/scheme/scheme.scrbl +++ b/collects/scribblings/scheme/scheme.scrbl @@ -1,12 +1,21 @@ #lang scribble/manual @(require (for-syntax racket) - (for-label (only-in scheme/foreign unsafe! provide* define-unsafer))) + (for-label (only-in scheme/foreign unsafe! provide* define-unsafer) + (only-in racket/base make-base-namespace make-base-empty-namespace))) -@(define-syntax-rule (def-extras unit-struct) +@(define-syntax-rule (def-extras unit-struct + make-base-namespace-id + make-base-empty-namespace-id) (begin - (require (for-label scheme)) - (define unit-struct (racket struct)))) -@(def-extras unit-struct) + (require (for-label (only-in scheme struct) + (only-in racket/base make-base-namespace + make-base-empty-namespace))) + (define unit-struct (racket struct)) + (define make-base-namespace-id (racket make-base-namespace)) + (define make-base-empty-namespace-id (racket make-base-empty-namespace)))) +@(def-extras unit-struct + make-base-namespace-id + make-base-empty-namespace-id) @(define-syntax-rule (compat-except sid rid . rest) (begin @@ -29,7 +38,20 @@ old name. @schememodname[scheme/unit] is exported, instead} @compat-except[scheme/base racket/base]{, except that -@schememodname[racket]'s @scheme[struct] is not exported} +@schememodname[racket]'s @scheme[struct] is not exported, and +@scheme[make-base-namespace] and @scheme[make-base-empty-namespace] +are different} + +@defproc[(make-base-empty-namespace) namespace?]{ + +Like @|make-base-empty-namespace-id| from @schememodname[racket/base], +but with @schememodname[scheme/base] attached.} + +@defproc[(make-base-namespace) namespace?]{ + +Like @|make-base-namespace-id| from @schememodname[racket/base], but +with @schememodname[scheme/base] attached.} + @compat[scheme/async-channel racket/async-channel] @compat[scheme/bool racket/bool] diff --git a/collects/scribblings/scribble/config.scrbl b/collects/scribblings/scribble/config.scrbl index 1048715f8b..fd94a42704 100644 --- a/collects/scribblings/scribble/config.scrbl +++ b/collects/scribblings/scribble/config.scrbl @@ -5,7 +5,7 @@ scribble/html-properties scribble/latex-properties "utils.ss" - (for-label scheme/base)) + (for-label racket/base)) @(define (fake-title . str) (apply bold str)) @@ -20,16 +20,16 @@ extend or configure Scribble fall into two groups: @item{You may need to drop into the back-end ``language'' of CSS or Latex to create a specific output effect. For this kind of extension, you will mostly likely attach a - @scheme[css-addition] or @scheme[tex-addition] @tech{style property} + @racket[css-addition] or @racket[tex-addition] @tech{style property} to style, where the addition implements the style name. This kind of extension is described in @secref["extra-style"].} @item{You may need to produce a document whose page layout is - different from the PLT Scheme documentation style. For that + different from the Racket documentation style. For that kind of configuration, you can run the @exec{scribble} command-line tool and supply flags like @DFlag{prefix} or @DPFlag{style}, or - you can associate a @scheme[html-defaults] or - @scheme[latex-defaults] @tech{style property} to the main document's + you can associate a @racket[html-defaults] or + @racket[latex-defaults] @tech{style property} to the main document's style. This kind of configuration is described in @secref["config-style"].} @@ -42,46 +42,46 @@ extend or configure Scribble fall into two groups: (make-tex-addition "inbox.tex"))) ]{Implementing Styles} -When a string is uses as a style in an @scheme[element], -a @scheme[multiarg-element], @scheme[paragraph], @scheme[table], -@scheme[itemization], @scheme[nested-flow], or -@scheme[compound-paragraph], it corresponds to a CSS class for HTML +When a string is uses as a style in an @racket[element], +a @racket[multiarg-element], @racket[paragraph], @racket[table], +@racket[itemization], @racket[nested-flow], or +@racket[compound-paragraph], it corresponds to a CSS class for HTML output or a Latex macro/environment for Latex output. In Latex output, -the string is used as a command name for a @scheme[paragraph] -and an environment name for a @scheme[table], @scheme[itemization], -@scheme[nested-flow], or @scheme[compound-paragraph]; the if style has -a @scheme['command] @tech{style property} for a @scheme[nested-flow] or -@scheme[compound-paragraph], then the style name is used as a command +the string is used as a command name for a @racket[paragraph] +and an environment name for a @racket[table], @racket[itemization], +@racket[nested-flow], or @racket[compound-paragraph]; the if style has +a @racket['command] @tech{style property} for a @racket[nested-flow] or +@racket[compound-paragraph], then the style name is used as a command instead of an environment. In addition, for an itemization, the style -string is suffixed with @scheme["Item"] and used as a CSS class or Latex +string is suffixed with @racket["Item"] and used as a CSS class or Latex macro name to use for the itemization's items (in place of @tt{item} in the case of Latex). To add a mapping from your own style name to a CSS configuration, add -a @scheme[css-addition] structure instance to a style's @tech{style property} +a @racket[css-addition] structure instance to a style's @tech{style property} list. To map a style name to a Latex macro or environment, add a -@scheme[tex-addition] structure instance. A @scheme[css-addition] or -@scheme[tex-addition] is normally associated with the style whose name +@racket[tex-addition] structure instance. A @racket[css-addition] or +@racket[tex-addition] is normally associated with the style whose name is implemented by the adition, but it can also be added to the style for an enclosing part. Scribble includes a number of predefined styles that are used by the -exports of @scheme[scribble/base]. You can use them or redefine +exports of @racket[scribble/base]. You can use them or redefine them. The styles are specified by @filepath{scribble.css} and @filepath{scribble.tex} in the @filepath{scribble} collection. -The styles used by @schememodname[scribble/manual] are implemented by -@filepath{scheme.css} and @filepath{scheme.tex} in the +The styles used by @racketmodname[scribble/manual] are implemented by +@filepath{racket.css} and @filepath{racket.tex} in the @filepath{scribble} collection. Other libraries, such as -@schememodname[scriblib/autobib], similarly implement styles through files -that are associated by @scheme[css-addition] and @scheme[tex-addition] +@racketmodname[scriblib/autobib], similarly implement styles through files +that are associated by @racket[css-addition] and @racket[tex-addition] @tech{style properties}. To avoid collisions with future additions to Scribble, start your style name with an uppercase letter that is not @litchar{S}. An uppercase letter helps to avoid collisions with macros defined by -Latex packages, and future styles needed by @schememodname[scribble/base] and -@schememodname[scribble/manual] will start with @litchar{S}. +Latex packages, and future styles needed by @racketmodname[scribble/base] and +@racketmodname[scribble/manual] will start with @litchar{S}. For example, a Scribble document @@ -136,9 +136,9 @@ set of page-layout and font properties that are used by other commands. The style-replacement kind of configuration corresponds to re-defining Latex macros or overriding CSS class attributes. When @exec{setup-plt} builds PDF documentation, it uses both kinds of -configuration to produce a standard layout for PLT Scheme manuals; +configuration to produce a standard layout for Racket manuals; that is, it selects a particular page layout, and it replaces some -@schememodname[scheme/base] styles. +@racketmodname[racket/base] styles. Two kinds of files implement the two kinds of configuration: @@ -155,7 +155,7 @@ Two kinds of files implement the two kinds of configuration: @item{A @deftech{style file} refines the implementation of styles nused in the document---typically just the ``built-in'' styles - used by @schememodname[scribble/base]. + used by @racketmodname[scribble/base]. The default style files, @filepath{scribble-style.css} and @filepath{scribble-style.tex} in the @filepath{scribble} @@ -191,24 +191,24 @@ accompanying files: When using the @exec{scribble} command-line utility, a document can declare its default style, prefix, and extra files through a -@scheme[html-defaults] and/or @scheme[latex-defaults] +@racket[html-defaults] and/or @racket[latex-defaults] @tech{style property}. In particular, when using the @exec{scribble} command-line tool to generate Latex or PDF a document whose main part -is implemented with @scheme[#, @hash-lang[] #, -@schememodname[scribble/manual]], the result has the standard PLT -Scheme manual configuration, because @schememodname[scribble/manual] -associates a @scheme[latex-defaults] @tech{style property} with the exported -document. The @schememodname[scribble/sigplan] language similarly +is implemented with @racket[#, @hash-lang[] #, +@racketmodname[scribble/manual]], the result has the standard +Racket manual configuration, because @racketmodname[scribble/manual] +associates a @racket[latex-defaults] @tech{style property} with the exported +document. The @racketmodname[scribble/sigplan] language similarly associates a default configuration with an exported document. As -libraries imported with @scheme[require], however, -@schememodname[scribble/manual] and @schememodname[scribble/sigplan] +libraries imported with @racket[require], however, +@racketmodname[scribble/manual] and @racketmodname[scribble/sigplan] simply implement new styles in a composable way. Whether or not a document has a default prefix- and style-file configuration through a @tech{style property}, the defaults can be overridden using @exec{scribble} command-line flags. Furthermore, -languages like @schememodname[scribble/manual] and -@schememodname[scribble/sigplan] add a @scheme[html-defaults] and/or -@scheme[latex-defaults] @tech{style property} to a main-document part only if +languages like @racketmodname[scribble/manual] and +@racketmodname[scribble/sigplan] add a @racket[html-defaults] and/or +@racket[latex-defaults] @tech{style property} to a main-document part only if it does not already have such a property added through the -@scheme[#:style] argument of @scheme[title]. +@racket[#:style] argument of @racket[title]. diff --git a/collects/scribblings/scribble/preprocessor.scrbl b/collects/scribblings/scribble/preprocessor.scrbl index 1eefe13548..cd8adeb0e4 100644 --- a/collects/scribblings/scribble/preprocessor.scrbl +++ b/collects/scribblings/scribble/preprocessor.scrbl @@ -2,7 +2,7 @@ @(require scribble/manual scribble/core scribble/html-properties scribble/latex-properties "utils.ss" - (for-label scheme/base + (for-label racket/base ;; FIXME: need to get this in ;; scribble/text )) @@ -13,21 +13,21 @@ (make-css-addition "shaded.css"))) ]{Text Preprocessing} -@defmodulelang[scribble/text]{The @schememodname[scribble/text] -language provides everything from @scheme[scheme/base] with a few +@defmodulelang[scribble/text]{The @racketmodname[scribble/text] +language provides everything from @racket[racket/base] with a few changes that make it suitable as a preprocessor language: @itemize[ - @item{It uses @scheme[read-syntax-inside] to read the body of the + @item{It uses @racket[read-syntax-inside] to read the body of the module, similar to @secref["docreader"]. This means that by - default, all text is read in as Scheme strings; and - @seclink["reader"]|{@-forms}| can be used to use Scheme + default, all text is read in as Racket strings; and + @seclink["reader"]|{@-forms}| can be used to use Racket functions and expression escapes.} @item{Values of expressions are printed with a custom - @scheme[output] function. This function displays most values - in a similar way to @scheme[display], except that it is more + @racket[output] function. This function displays most values + in a similar way to @racket[display], except that it is more convenient for a preprocessor output.}] } @@ -42,9 +42,9 @@ changes that make it suitable as a preprocessor language: @section{Writing Preprocessor Files} The combination of the two features makes text in files in the -@scheme[scribble/text] language be read as strings, which get printed -out when the module is @scheme[require]d, for example, when a file is -given as an argument to @exec{mzscheme}. (In these example the left +@racket[scribble/text] language be read as strings, which get printed +out when the module is @racket[require]d, for example, when a file is +given as an argument to @exec{racket}. (In these example the left part shows the source input, and the right part the printed result.) @example|-{#lang scribble/text @@ -58,14 +58,14 @@ part shows the source input, and the right part the printed result.) feature on top of feature, but blah blah blah.}-| -Using @seclink["reader"]|{@-forms}|, we can define and use Scheme +Using @seclink["reader"]|{@-forms}|, we can define and use Racket functions. @example|-{#lang scribble/text - @(require scheme/list) + @(require racket/list) @(define Foo "Preprocessing") @(define (3x . x) - ;; scheme syntax here + ;; racket syntax here (add-between (list x x x) " ")) @Foo languages should be designed not by piling @@ -77,10 +77,10 @@ functions. feature on top of feature, but blah blah blah.}-| -As demonstrated in this case, the @scheme[output] function simply +As demonstrated in this case, the @racket[output] function simply scans nested list structures recursively, which makes them convenient -for function results. In addition, @scheme[output] prints most values -similarly to @scheme[display] --- notable exceptions are void and +for function results. In addition, @racket[output] prints most values +similarly to @racket[display] --- notable exceptions are void and false values which cause no output to appear. This can be used for convenient conditional output. @@ -184,7 +184,7 @@ what looks like erroneous indentation. More about this below.) A better approach is to generate newlines only when needed. @example|-{#lang scribble/text - @(require scheme/list) + @(require racket/list) @(define (counts n str) (add-between (for/list ([i (in-range 1 (+ n 1))]) @@ -200,9 +200,9 @@ A better approach is to generate newlines only when needed. 3 Mississippi, ... and I'm done.}-| -In fact, this is common enough that the @scheme[scribble/text] -language provides a convenient facility: @scheme[add-newlines] is a -function that is similar to @scheme[add-between] using a newline +In fact, this is common enough that the @racket[scribble/text] +language provides a convenient facility: @racket[add-newlines] is a +function that is similar to @racket[add-between] using a newline string as the default separator, except that false and void values are filtered out before doing so. @@ -262,9 +262,9 @@ that uses the Scribble @"@"-form syntax.) Because the Scribble reader is uniform, you can use it in place of any expression where it is more convenient. (By convention, we use a -plain S-expression syntax when we want a Scheme expression escape, and +plain S-expression syntax when we want a Racket expression escape, and an @"@"-form for expressions that render as text, which, in the -@scheme[scribble/text] language, is any value-producing expression.) +@racket[scribble/text] language, is any value-producing expression.) For example, you can use an @"@"-form for a function that you define. @example|-{#lang scribble/text @@ -291,7 +291,7 @@ separate text arguments in the S-expression part of an @"@"-form. Either you're with us, or against us. }-| -You can even use @"@"-forms with a Scheme quote or quasiquote as the +You can even use @"@"-forms with a Racket quote or quasiquote as the ``head'' part to make it shorter, or use a macro to get grouping of sub-parts without dealing with quotes. @@ -317,11 +317,11 @@ sub-parts without dealing with quotes. }-| Yet another solution is to look at the text values and split the input -arguments based on a specific token. Using @scheme[match] can make it +arguments based on a specific token. Using @racket[match] can make it convenient --- you can even specify the patterns with @"@"-forms. @example|-{#lang scribble/text - @(require scheme/match) + @(require racket/match) @(define (features . text) (match text [@list{@|1st|@... @@ -346,11 +346,11 @@ convenient --- you can even specify the patterns with @"@"-forms. }-| In particular, it is often convenient to split the input by lines, -identified by delimiting @scheme["\n"] strings. Since this can be -useful, a @scheme[split-lines] function is provided. +identified by delimiting @racket["\n"] strings. Since this can be +useful, a @racket[split-lines] function is provided. @example|-{#lang scribble/text - @(require scheme/list) + @(require racket/list) @(define (features . text) (add-between (split-lines text) ", ")) @@ -437,9 +437,9 @@ printouts, as the results are rarely desirable. two1 3}-| Note that you don't need side-effects if you want infinite output. -The @scheme[output] function iterates thunks and (composable) +The @racket[output] function iterates thunks and (composable) promises, so you can create a loop that is delayed in either form. -@; Note: there is some sfs-related problem in mzscheme that makes it not +@; Note: there is some sfs-related problem in racket that makes it not @; run in bounded space, so don't show it for nowx. @example|-{#lang scribble/text @@ -483,12 +483,12 @@ The Scribble reader ignores indentation spaces in its body. This is an intentional feature, since you usually do not want an expression to depend on its position in the source. But the question is how @emph{can} we render some output text with proper indentation. The -@scheme[output] function achieves that by assigning a special meaning +@racket[output] function achieves that by assigning a special meaning to lists: when a newline is part of a list's contents, it causes the following text to appear with indentation that corresponds to the column position at the beginning of the list. In most cases, this makes the output appear ``as intended'' when lists are used for nested -pieces of text --- either from a literal @scheme[list] expression, or +pieces of text --- either from a literal @racket[list] expression, or an expression that evaluates to a list, or when a list is passed on as a value; either as a toplevel expression, or as a nested value; either appearing after spaces, or after other output. @@ -530,11 +530,11 @@ appearing after spaces, or after other output. (for/list ([i (in-naturals 1)] [item (in-list items)]) @list{@|i|. @item}))) - Todo: @enumerate[@list{Install PLT Scheme} + Todo: @enumerate[@list{Install Racket} @list{Hack, hack, hack} @list{Profit}]. ---***--- - Todo: 1. Install PLT Scheme; + Todo: 1. Install Racket; 2. Hack, hack, hack; 3. Profit.}-| @@ -697,8 +697,8 @@ appearing after spaces, or after other output. }-| There are, however, cases when you need more refined control over the -output. The @scheme[scribble/text] provides a few functions for such -cases. The @scheme[splice] function is used to group together a +output. The @racket[scribble/text] provides a few functions for such +cases. The @racket[splice] function is used to group together a number of values but avoid introducing a new indentation context. @example|-{#lang scribble/text @@ -723,9 +723,9 @@ number of values but avoid introducing a new indentation context. end }-| -The @scheme[disable-prefix] function disables all indentation +The @racket[disable-prefix] function disables all indentation printouts in its contents, including the indentation before the body -of the @scheme[disable-prefix] value itself. It is useful, for +of the @racket[disable-prefix] value itself. It is useful, for example, to print out CPP directives. @example|-{#lang scribble/text @@ -758,7 +758,7 @@ example, to print out CPP directives. } }-| -If there are values after a @scheme[disable-prefix] value on the same +If there are values after a @racket[disable-prefix] value on the same line, they will get indented to the goal column (unless the output is already beyond it). @@ -807,7 +807,7 @@ already beyond it). }-| There are cases where each line should be prefixed with some string -other than a plain indentation. The @scheme[add-prefix] function +other than a plain indentation. The @racket[add-prefix] function causes its contents to be printed using some given string prefix for every line. The prefix gets accumulated to an existing indentation, and indentation in the contents gets added to the prefix. @@ -840,11 +840,11 @@ and indentation in the contents gets added to the prefix. } }-| -When combining @scheme[add-prefix] and @scheme[disable-prefix] there -is an additional value that can be useful: @scheme[flush]. This is a -value that causes @scheme[output] to print the current indentation and +When combining @racket[add-prefix] and @racket[disable-prefix] there +is an additional value that can be useful: @racket[flush]. This is a +value that causes @racket[output] to print the current indentation and prefix. This makes it possible to get the ``ignored as a prefix'' -property of @scheme[disable-prefix] but only for a nested prefix. +property of @racket[disable-prefix] but only for a nested prefix. @example|-{#lang scribble/text @(define (comment . text) @@ -923,7 +923,7 @@ property of @scheme[disable-prefix] but only for a nested prefix. Using additional files that contain code for your preprocessing is trivial: the preprocessor source is still source code in a module, so -you can @scheme[require] additional files with utility functions. +you can @racket[require] additional files with utility functions. @example|-{#lang scribble/text @(require "itemize.ss") @@ -933,7 +933,7 @@ you can @scheme[require] additional files with utility functions. @list{Hack some more}] ---***--- itemize.ss - #lang scheme + #lang racket (provide itemize) (define (itemize . items) (add-between (map (lambda (item) @@ -948,7 +948,7 @@ you can @scheme[require] additional files with utility functions. more }-| -Note that the @seclink["at-exp-lang"]{@scheme[at-exp] language} can +Note that the @seclink["at-exp-lang"]{@racket[at-exp] language} can often be useful here, since such files need to deal with texts. Using it, it is easy to include a lot of textual content. @@ -961,8 +961,8 @@ it, it is easy to include a lot of textual content. more}] @summary ---***--- stuff.ss - #lang at-exp scheme/base - (require scheme/list) + #lang at-exp racket/base + (require racket/list) (provide (all-defined-out)) (define (itemize . items) (add-between (map (lambda (item) @@ -983,17 +983,17 @@ it, it is easy to include a lot of textual content. }-| Of course, the extreme side of this will be to put all of your content -in a plain Scheme module, using @"@"-forms for convenience. However, +in a plain Racket module, using @"@"-forms for convenience. However, there is no need to use the preprocessor language in this case; -instead, you can @scheme[(require scribble/text)], which will get all -of the bindings that are available in the @scheme[scribble/text] -language. Using @scheme[output], switching from a preprocessed files -to a Scheme file is very easy ---- choosing one or the other depends +instead, you can @racket[(require scribble/text)], which will get all +of the bindings that are available in the @racket[scribble/text] +language. Using @racket[output], switching from a preprocessed files +to a Racket file is very easy ---- choosing one or the other depends on whether it is more convenient to write a text file with occasional -Scheme expressions or the other way. +Racket expressions or the other way. -@example|-{#lang at-exp scheme/base - (require scribble/text scheme/list) +@example|-{#lang at-exp racket/base + (require scribble/text racket/list) (define (itemize . items) (add-between (map (lambda (item) @list{* @item}) @@ -1026,12 +1026,12 @@ mostly-text file from a preprocessor file. It might be because you prefer to split the source text to several files, or because you need to preprocess a file without even a @litchar{#lang} header (for example, an HTML template file that is the result of an external -editor). For these cases, the @scheme[scribble/text] language -provides an @scheme[include] form that includes a file in the +editor). For these cases, the @racket[scribble/text] language +provides an @racket[include] form that includes a file in the preprocessor syntax (where the default parsing mode is text). @example|-{#lang scribble/text - @(require scheme/list) + @(require racket/list) @(define (itemize . items) (list "