add #:indent to verbatim

svn: r8707

collects/browser/browser.scrbl

@@ -39,7 +39,7 @@ contain Scheme strings, and since escape characters are difficult for
 people to read, a @litchar{|} character in @scheme[sexpr] is
 converted to a @litchar{"} character before it is parsed. Thus,
 
-@verbatim{
+@verbatim[#:indent 2]{
   <A MZSCHEME="|This goes nowhere.|">Nowhere</A>
 }
 
@@ -61,7 +61,7 @@ is executed immediately during HTML rendering. If the result is a
 string, the comment is replaced in the input HTML stream with the
 content of the string. Thus,
 
-@verbatim{
+@verbatim[#:indent 2]{
   <!-- MZSCHEME="(format |<B>Here</B>: ~a| (current-directory))" -->
 }
 

collects/net/scribblings/url.scrbl

@@ -48,7 +48,7 @@ re-exported by @schememodname[net/url].}
 The basic structure for all URLs, hich is explained in RFC 3986
 @cite["RFC3986"]. The following diagram illustrates the parts:
 
-@verbatim|{
+@verbatim[#:indent 2]|{
   http://sky@www:801/cgi-bin/finger;xyz?name=shriram;host=nw#top
   {-1}   {2} {3} {4}{---5---------} {6} {----7-------------} {8}
 

collects/scribble/manual.ss

@@ -187,7 +187,10 @@
                    (make-element "schemeinput" (list (substring s (cdar spaces) (caar end-spaces))))
                    (hspace (- (cdar end-spaces) (caar end-spaces)))))))))
 
-  (define (verbatim s . more)
+  (define (verbatim #:indent [i 0] s . more)
+    (define indent (if (zero? i)
+                     values
+                     (let ([hs (hspace i)]) (lambda (x) (cons hs x)))))
     (define strs (regexp-split #rx"\n" (apply string-append s more)))
     (define (str->elts str)
       (let ([spaces (regexp-match-positions #rx"(?:^| ) +" str)])
@@ -197,8 +200,9 @@
                  (str->elts (substring str (cdar spaces))))
           (list (make-element 'tt (list str))))))
     (define (make-line str)
-      (list (make-flow (list (make-paragraph
-                              (list (make-element 'tt (str->elts str))))))))
+      (let* ([line (indent (str->elts str))]
+             [line (list (make-element 'tt line))])
+        (list (make-flow (list (make-paragraph line))))))
     (make-table #f (map make-line strs)))
 
   (define-syntax indexed-scheme

collects/scribblings/foreign/types.scrbl

@@ -634,7 +634,7 @@ control can be placed into struct fields.
 
 As an example, consider the following C code:
 
-@verbatim{
+@verbatim[#:indent 2]{
  typedef struct { int x; char y; } A;
  typedef struct { A a; int z; } B;
 

collects/scribblings/gui/win-overview.scrbl

@@ -330,7 +330,7 @@ The built-in container classes include horizontal panels (and panes),
  vertical containers, a programmer can achieve most any layout.  For
  example, we can construct a dialog with the following shape:
 
-@verbatim{
+@verbatim[#:indent 2]{
   ------------------------------------------------------
  |              -------------------------------------   |
  |  Your name: |                                     |  |

collects/scribblings/guide/running.scrbl

@@ -21,7 +21,10 @@ When @exec{mzscheme} is run with no command-line arguments (other than
 confguration options, like @Flag{j}), then it starts a @tech{REPL}
 with a @litchar{> } prompt:
 
-@verbatim{  Welcome to MzScheme\n  > }
+@verbatim[#:indent 2]{
+  Welcome to MzScheme
+  > 
+}
 
 @margin-note{For information on GNU Readline support, see
 @schememodname[readline/rep].}

collects/scribblings/guide/scripts.scrbl

@@ -18,7 +18,7 @@ executable followed by a module declaration. For example, if
 @exec{mzscheme} is installed in @filepath{/usr/local/bin}, then a file
 containing the following text acts as a ``hello world'' script:
 
-@verbatim{
+@verbatim[#:indent 2]{
   #! /usr/local/bin/mzscheme
   #lang scheme/base
   "Hello, world!"
@@ -39,7 +39,7 @@ executable, a popular alternative is to require that @exec{mzscheme}
 is in the user's command path, and then ``trampoline'' using
 @exec{/usr/bin/env}:
 
-@verbatim{
+@verbatim[#:indent 2]{
   #! /usr/bin/env mzscheme
   #lang scheme/base
   "Hello, world!"
@@ -48,7 +48,7 @@ is in the user's command path, and then ``trampoline'' using
 In either case, command-line arguments to a script are available via
 @scheme[current-command-line-arguments]:
 
-@verbatim{
+@verbatim[#:indent 2]{
   #! /usr/bin/env mzscheme
   #lang scheme/base
   (printf "Given arguments: ~s\n"
@@ -65,7 +65,7 @@ them using the @scheme[command-line] form provided by
 command-line arguments from @scheme[(current-command-line-arguments)]
 by default:
 
-@verbatim{
+@verbatim[#:indent 2]{
   #! /usr/bin/env mzscheme
   #lang scheme
 
@@ -91,7 +91,7 @@ that are comments in one language and expressions in the other. This
 trampoline is more complicated, but it provides more control over
 command-line arguments to @scheme{mzscheme}:
 
-@verbatim|{
+@verbatim[#:indent 2]|{
   #! /bin/sh
   #|
   exec mzscheme -cu "$0" ${1+"$@"}

collects/scribblings/inside/custodians.scrbl

@@ -84,7 +84,7 @@ Installs a function to be called on each custodian-registered item and
  its closer when MzScheme is about to exit. The registered function
  has the type
 
-@verbatim{
+@verbatim[#:indent 2]{
   typedef
   void (*Scheme_Exit_Closer_Func)(Scheme_Object *o,
                                   Scheme_Close_Custodian_Client *f, 

collects/scribblings/inside/exns.scrbl

@@ -18,7 +18,7 @@ in @cpp{scheme_current_thread->error_buf}. The macro
 @cppi{scheme_error_buf} is a shorthand for
 @cpp{*scheme_current_thread->error_buf}.
 
-@verbatim{
+@verbatim[#:indent 2]{
   mz_jmp_buf * volatile save, fresh;
   ...
   save = scheme_current_thread->error_buf;
@@ -84,7 +84,7 @@ visible when implementing a new primitive procedure. When
 request by chaining to the previously saved error buffer; otherwise,
 call @cppi{scheme_clear_escape}.
 
-@verbatim{
+@verbatim[#:indent 2]{
   mz_jmp_buf * volatile save, fresh;
   save = scheme_current_thread->error_buf;
   scheme_current_thread->error_buf = &fresh;
@@ -120,7 +120,7 @@ exceptions in a variety of situations. It implements the function
 application of a thunk. (This code is in
 @filepath{collects/mzscheme/examples/catch.c} in the distribution.)
 
-@verbatim{
+@verbatim[#:indent 2]{
   static Scheme_Object *exn_catching_apply, *exn_p, *exn_message;
 
   static void init_exn_catching_apply()
@@ -183,7 +183,7 @@ application of a thunk. (This code is in
 In the following example, the above code is used to catch exceptions
 that occur during while evaluating source code from a string.
 
-@verbatim{
+@verbatim[#:indent 2]{
   static Scheme_Object *do_eval(void *s, int noargc, Scheme_Object **noargv)
   {
     return scheme_eval_string((char *)s, scheme_get_env(scheme_config));

collects/scribblings/inside/memory.scrbl

@@ -206,7 +206,7 @@ pointer within a function call at any point when a collection can be
 triggered. Beware that nested function calls can hide temporary
 pointers; for example, in
 
-@verbatim{
+@verbatim[#:indent 2]{
   scheme_make_pair(scheme_make_pair(scheme_true, scheme_false),
                    scheme_make_pair(scheme_false, scheme_true))
 }
@@ -216,7 +216,7 @@ a register during the other call to @cpp{scheme_make_pair}; this
 pointer must be exposed to the garbage collection and made subject to
 update. Simply changing the code to
 
-@verbatim{
+@verbatim[#:indent 2]{
   tmp = scheme_make_pair(scheme_true, scheme_false);
   scheme_make_pair(tmp,
                    scheme_make_pair(scheme_false, scheme_true))
@@ -226,7 +226,7 @@ does not expose all pointers, since @cpp{tmp} must be evaluated before
 the second call to @cpp{scheme_make_pair}. In general, the above code
 must be converted to the form
 
-@verbatim{
+@verbatim[#:indent 2]{
   tmp1 = scheme_make_pair(scheme_true, scheme_false);
   tmp2 = scheme_make_pair(scheme_true, scheme_false);
   scheme_make_pair(tmp1, tmp2);
@@ -235,7 +235,7 @@ must be converted to the form
 and this is converted form must be instrumented to register @cpp{tmp1}
 and @cpp{tmp2}. The final result might be
 
-@verbatim{
+@verbatim[#:indent 2]{
   {
     Scheme_Object *tmp1 = NULL, *tmp2 = NULL, *result;
     MZ_GC_DECL_REG(2);
@@ -269,7 +269,7 @@ whereas registering an array of pointers requires three slots. For
 example, to register a pointer @cpp{tmp} and an array of 10
 @cpp{char*}s:
 
-@verbatim{
+@verbatim[#:indent 2]{
   {
     Scheme_Object *tmp1 = NULL;
     char *a[10];
@@ -300,7 +300,7 @@ must be registered with the collector during the entire call to
 The name used for a variable need not be immediate. Structure members
 can be supplied as well:
 
-@verbatim{
+@verbatim[#:indent 2]{
   {
     struct { void *s; int v; void *t; } x = {NULL, 0, NULL};
     MZ_GC_DECL_REG(2);
@@ -330,7 +330,7 @@ example also illustrates how @cpp{MZ_GC_UNREG} is not needed when
 control escapes from the function, such as when
 @cpp{scheme_signal_error} escapes.
 
-@verbatim{
+@verbatim[#:indent 2]{
   {
     Scheme_Object *tmp1 = NULL, *tmp2 = NULL;
     mzchar *a, *b;
@@ -372,7 +372,7 @@ declarations for the block's variables. In that case, the nested
 @cpp{MZ_GC_DECL_REG} must have its own @cpp{MZ_GC_REG} and
 @cpp{MZ_GC_UNREG} calls.
 
-@verbatim{
+@verbatim[#:indent 2]{
   {
     Scheme_Object *accum = NULL;
     MZ_GC_DECL_REG(1);
@@ -404,7 +404,7 @@ must be unregistered before it goes out of scope. The
 @cppi{MZ_GC_NO_VAR_IN_REG} macro can be used to unregister a variable
 or to initialize a slot as having no variable.
 
-@verbatim{
+@verbatim[#:indent 2]{
   {
     Scheme_Object *accum = NULL;
     MZ_GC_DECL_REG(2);
@@ -527,7 +527,7 @@ The following macros can be used (with care!) to navigate
 
  Example:
 
-@verbatim{
+@verbatim[#:indent 2]{
   int foo(int c, ...) {
     int r = 0;
     XFORM_START_SKIP;
@@ -555,7 +555,7 @@ The following macros can be used (with care!) to navigate
 
   Example:
 
-  @verbatim{
+  @verbatim[#:indent 2]{
     int foo(int c, ...) {
       int r = 0;
       {
@@ -699,7 +699,7 @@ Overrides the GC's auto-determined stack base, and/or disables the
 
 The following example shows a typical use for setting the stack base:
 
-@verbatim{
+@verbatim[#:indent 4]{
     int main(int argc, char **argv) {
        int dummy;
        scheme_set_stack_base(&dummy, 0);
@@ -777,7 +777,7 @@ finalizers are registered for @var{p}.
 The @cpp{fnl_proc} type is not actually defined, but it is equivalent
 to
 
-@verbatim{  typedef void (*fnl_proc)(void *p, void *data)}
+@verbatim[#:indent 2]{typedef void (*fnl_proc)(void *p, void *data)}
 
 The @var{f} argument is the callback function; when it is called, it
 will be passed the value @var{p} and the data pointer @var{data};
@@ -896,7 +896,7 @@ Forces an immediate garbage-collection.}
 
 Each of the three procedures takes a pointer and returns an integer:
 
-@verbatim{
+@verbatim[#:indent 2]{
   typedef int (*Size_Proc)(void *obj);
   typedef int (*Mark_Proc)(void *obj);
   typedef int (*Fixup_Proc)(void *obj);

collects/scribblings/inside/misc.scrbl

@@ -168,7 +168,7 @@ tables) can be anything.
 The public portion of the @cppi{Scheme_Hash_Table} type is defined
 roughly as follows:
 
-@verbatim{
+@verbatim[#:indent 2]{
   typedef struct Scheme_Hash_Table {
     Scheme_Object so; /* so.type == scheme_hash_table_type */
     /* ... */
@@ -234,7 +234,7 @@ two are the same as for hash tables. The last is like
 The public portion of the @cppi{Scheme_Bucket_Table} type is defined
 roughly as follows:
 
-@verbatim{
+@verbatim[#:indent 2]{
   typedef struct Scheme_Bucket_Table {
     Scheme_Object so; /* so.type == scheme_variable_type */
     /* ... */
@@ -286,7 +286,7 @@ Returns the current value for @var{key} in @var{table}, or @cpp{NULL}
 Returns the bucket for @var{key} in @var{table}. The
 @cppi{Scheme_Bucket} structure is defined as:
 
-@verbatim{
+@verbatim[#:indent 2]{
   typedef struct Scheme_Bucket {
     Scheme_Object so; /* so.type == scheme_bucket_type */
     /* ... */

collects/scribblings/inside/namespaces.scrbl

@@ -78,7 +78,7 @@ the global variable is undefined.
 
 The @cppi{Scheme_Bucket} structure is defined as:
 
-@verbatim{
+@verbatim[#:indent 2]{
   typedef struct Scheme_Bucket {
     Scheme_Object so; /* so.type = scheme_variable_type */
     void *key;

collects/scribblings/inside/overview.scrbl

@@ -160,7 +160,7 @@ registered using @cppi{scheme_register_extension_global} (see
 As an example, the following C code defines an extension that returns
 @scheme["hello world"] when it is loaded:
 
-@verbatim{
+@verbatim[#:indent 2]{
  #include "escheme.h"
  Scheme_Object *scheme_initialize(Scheme_Env *env) {
    return scheme_make_utf8_string("hello world");

collects/scribblings/inside/procedures.scrbl

@@ -47,7 +47,7 @@ substantial or unbounded work should occasionally call
 Creates a primitive procedure value, given the C function pointer
 @var{prim}.  The form of @var{prim} is defined by:
 
-@verbatim{
+@verbatim[#:indent 2]{
    typedef Scheme_Object *(Scheme_Prim)(int argc, 
                                         Scheme_Object **argv);
 }
@@ -94,7 +94,7 @@ in @var{vals}; when the C function @var{prim} is invoked, the
 generated primitive is passed as the last parameter. The form of
 @var{prim} is defined by:
 
-@verbatim{
+@verbatim[#:indent 2]{
    typedef
    Scheme_Object *(Scheme_Prim_Closure_Proc)(int argc, 
                                              Scheme_Object **argv, 
@@ -117,7 +117,7 @@ Creates an old-style primitive procedure value; when the C function
 @var{prim} is invoked, @var{data} is passed as the first parameter.
 The form of @var{prim} is defined by:
 
-@verbatim{
+@verbatim[#:indent 2]{
    typedef
    Scheme_Object *(Scheme_Closed_Prim)(void *data, int argc, 
                                        Scheme_Object **argv);

collects/scribblings/inside/threads.scrbl

@@ -85,7 +85,7 @@ of ``fuel'' that has been consumed since the last call to
 @scheme[vector->list] consumes a unit of fuel for each created cons
 cell:
 
-@verbatim{
+@verbatim[#:indent 2]{
   Scheme_Object *scheme_vector_to_list(Scheme_Object *vec)
   {
     int i;
@@ -173,7 +173,7 @@ class. (Any regular event-loop-based callback is appropriate.) The
 @cpp{scheme_notify_multithread} pointer is set to
 @cpp{MrEdInstallThreadTimer}. (MrEd no longer work this way, however.)
 
-@verbatim{
+@verbatim[#:indent 2]{
   class MrEdThreadTimer : public wxTimer
   {
    public:
@@ -240,7 +240,7 @@ ready on any of those file descriptors, the callbacks are removed and
 For example, the X Windows version of MrEd formerly set
 @cpp{scheme_wakeup_on_input} to this @cpp{MrEdNeedWakeup}:
 
-@verbatim{
+@verbatim[#:indent 2]{
   static XtInputId *scheme_cb_ids = NULL;
   static int num_cbs;
 
@@ -350,7 +350,7 @@ The following function @cpp{mzsleep} is an appropriate
 @cpp{scheme_sleep} function for most any Unix or Windows application.
 (This is approximately the built-in sleep used by Scheme.)
 
-@verbatim{
+@verbatim[#:indent 2]{
   void mzsleep(float v, void *fds)
   {
     if (v) {
@@ -472,7 +472,7 @@ Returns @cpp{1} if a break from @scheme[break-thread] or @cpp{scheme_break_threa
 The @cpp{Scheme_Ready_Fun} and @cpp{Scheme_Needs_Wakeup_Fun}
  types are defined as follows:
 
-@verbatim{
+@verbatim[#:indent 2]{
    typedef int (*Scheme_Ready_Fun)(Scheme_Object *data);
    typedef void (*Scheme_Needs_Wakeup_Fun)(Scheme_Object *data,
                                            void *fds);
@@ -623,7 +623,7 @@ Under Unix, and Mac OS X, this function has no effect.}
 
 The argument types are defined as follows:
 
-@verbatim{
+@verbatim[#:indent 2]{
    typedef int (*Scheme_Ready_Fun)(Scheme_Object *data);
    typedef void (*Scheme_Needs_Wakeup_Fun)(Scheme_Object *data,
                                            void *fds);
@@ -649,7 +649,7 @@ Like @cpp{scheme_add_evt}, but for objects where waiting is based
  on a semaphore. Instead of @var{ready} and @var{wakeup} functions,
  the @var{getsema} function extracts a semaphore for a given object:
 
-@verbatim{
+@verbatim[#:indent 2]{
    typedef
    Scheme_Object *(*Scheme_Wait_Sema_Fun)(Scheme_Object *data,
                                           int *repost);

collects/scribblings/inside/values.scrbl

@@ -684,7 +684,7 @@ Installs a printer to be used for printing (or writing or displaying)
 
 The type of @var{printer} is defined as follows:\cppIndex{scheme_Type_Printer}
 
-@verbatim{
+@verbatim[#:indent 2]{
  typedef void (*Scheme_Type_Printer)(Scheme_Object *v, int dis,
                                      Scheme_Print_Params *pp);
 }
@@ -732,7 +732,7 @@ is only applied to values that both have tag @var{type}.
 The type of @var{equalp}, @var{hash1}, and @var{hash2} are defined as
 follows:
 
-@verbatim{
+@verbatim[#:indent 2]{
  typedef int (*Scheme_Equal_Proc)(Scheme_Object* obj1,
                                   Scheme_Object* obj2,
                                   void* cycle_data);

collects/scribblings/more/more.scrbl

@@ -69,7 +69,7 @@ DrScheme.}
 @link[url:download-drscheme]{Download PLT Scheme}, install, and then
 start @exec{mzscheme} with no command-line arguments:
 
-@verbatim{
+@verbatim[#:indent 2]{
   $ mzscheme
   Welcome to MzScheme
   > 

collects/scribblings/scribble/basic.scrbl

@@ -35,7 +35,7 @@ called from Scheme as
 
 or with an @elem["@"] expression as
 
-@verbatim|{
+@verbatim[#:indent 2]|{
   @title[#:tag "how-to"]{How to Design @italic{Great} Programs}
 }|
 

collects/scribblings/scribble/decode.scrbl

@@ -36,7 +36,7 @@ Some functions @deftech{decode} a sequence of @scheme[_pre-flow] or
 function accepts any number of @scheme[_pre-content] arguments, so
 that in
 
-@verbatim|{  @bold{``apple''}}|
+@verbatim[#:indent 2]|{@bold{``apple''}}|
 
 the @litchar{``apple''} argument is decoded to use fancy quotes, and
 then it is bolded.

collects/scribblings/scribble/how-to.scrbl

@@ -25,7 +25,7 @@ To document a collection or @|PLaneT| package:
        @filepath{manual.scrbl}.}
 
  @item{Start @filepath{manual.scrbl} like this:
-  @verbatim|{
+  @verbatim[#:indent 2]|{
     #lang scribble/doc
     @(require scribble/manual)
 
@@ -135,7 +135,7 @@ that precede text to typeset.
 
 Thus,
 
-@verbatim|{
+@verbatim[#:indent 2]|{
   @title{My Library}
   @scheme[(list 'testing 1 2 3)]
   @section[#:tag "here"]{You Are Here}
@@ -189,7 +189,7 @@ preferred mechanism for linking to information outside of a single
 document. Such links require no information about where and how a
 binding is documented elsewhere:
 
-@verbatim|{
+@verbatim[#:indent 2]|{
   #lang scribble/doc
   @(require scribble/manual
             (for-label scheme))
@@ -204,7 +204,7 @@ so it ignores the source formatting of the expression. The
 @scheme[schemeblock] form, in contrast, typesets inset Scheme code,
 and it preserves the expression's formatting from the document source.
 
-@verbatim|{
+@verbatim[#:indent 2]|{
   #lang scribble/doc
   @(require scribble/manual
             (for-label scheme))
@@ -234,7 +234,7 @@ hyperlink with text other than the section title.
 
 The following example illustrates section hyperlinks:
 
-@verbatim|{
+@verbatim[#:indent 2]|{
   #lang scribble/doc
   @(require scribble/manual
             (for-label scheme))
@@ -273,7 +273,7 @@ prefix, which is based on the target document's main source file.  The
 following example links to a section in the PLT Scheme reference
 manual:
 
-@verbatim|{
+@verbatim[#:indent 2]|{
   #lang scribble/doc
   @(require scribble/manual
             (for-label scheme))
@@ -307,7 +307,7 @@ to import the binding information of @filepath{helper.ss}. Then add a
 binding with the module path as seen by a reader. Finally, use
 @scheme[defproc] to document the procedure:
 
-@verbatim|{
+@verbatim[#:indent 2]|{
   #lang scribble/doc
   @(require scribble/manual
             (for-label scheme
@@ -379,7 +379,7 @@ bindings introduced into the document source by
 from the previous section, then @filepath{helper.ss} must be imported both
 via @scheme[require-for-label] and @scheme[require]:
 
-@verbatim|{
+@verbatim[#:indent 2]|{
   #lang scribble/doc
   @(require scribble/manual
             scribble/eval    ; <--- added
@@ -415,7 +415,7 @@ as a sub-part of the enclosing part.
 
 In @filepath{manual.scrbl}:
 
-@verbatim|{
+@verbatim[#:indent 2]|{
   #lang scribble/doc
   @(require scribble/manual)
 
@@ -430,7 +430,7 @@ In @filepath{manual.scrbl}:
 
 In @filepath{cows.scrbl}:
 
-@verbatim|{
+@verbatim[#:indent 2]|{
   #lang scribble/doc
   @(require scribble/manual)
 
@@ -441,7 +441,7 @@ In @filepath{cows.scrbl}:
 
 In @filepath{aardvarks.scrbl}:
 
-@verbatim|{
+@verbatim[#:indent 2]|{
   #lang scribble/doc
   @(require scribble/manual
             (for-label scheme
@@ -471,7 +471,7 @@ sub-sections.
 
 Revising @filepath{cows.scrbl} from the previous section:
 
-@verbatim|{
+@verbatim[#:indent 2]|{
   #lang scribble/doc
   @(require scribble/manual)
 

collects/scribblings/scribble/layers.scrbl

@@ -27,7 +27,7 @@ alone, but @litchar["@"] forms can escape to S-expression mode.
 
 A module written as
 
-@verbatim|{
+@verbatim[#:indent 2]|{
   #lang scribble/doc
   @(require scribble/manual)
 

collects/scribblings/scribble/manual.scrbl

@@ -131,7 +131,8 @@ representation of literal text. Use this when you have to talk about
 the individual characters in a stream of text, as as when documenting
 a reader extension.}
 
-@defproc[(verbatim [str string?]) flow-element?]{Typesets @scheme[str]
+@defproc[(verbatim [#:indent indent integer? 0] [str string?] ...)
+         flow-element?]{Typesets @scheme[str]
 as a table/paragraph in typewriter font with the linebreaks specified
 by newline characters in @scheme[str]. ``Here strings'' are often
 useful with @scheme[verbatim].}

collects/scribblings/scribble/reader.scrbl

@@ -201,7 +201,7 @@ following spaces (or tabs) are part of the comment (similar to
 Tip: if you're editing in a Scheme-aware editor (like DrScheme or
 Emacs), it is useful to comment out blocks like this:
 
-@verbatim|==={
+@verbatim[#:indent 2]|==={
   @;{
     ...
   ;}

collects/scribblings/scribble/style.scrbl

@@ -57,14 +57,14 @@ when using @scheme[scheme], especially outside of @scheme[defproc] or
 @scheme[defform]. Prefix a meta-variable with @litchar{_}; for
 example,
 
-@verbatim|{   @scheme[(rator-expr rand-expr ...)]}|
+@verbatim[#:indent 2]|{@scheme[(rator-expr rand-expr ...)]}|
 
 would be the wrong way to refer to the grammar of a function call,
 because it produces @scheme[(rator-expr rand-expr ...)], where
 @schemeidfont{rator-expr} and @schemeidfont{rand-expr} are
 typeset as variables. The correct description is
 
-@verbatim|{   @scheme[(_rator-expr _rand-expr ...)]}|
+@verbatim[#:indent 2]|{@scheme[(_rator-expr _rand-expr ...)]}|
 
 which produces @scheme[(_rator-expr _rand-expr ...)], where
 @schemeidfont{rator-expr} @schemeidfont{rand-expr} are typeset as

collects/scribblings/slideshow/picts.scrbl

@@ -34,7 +34,7 @@ offset of an embedded pict in a larger pict.
 In addition to its drawing part, a pict has the following
 @deftech{bounding box} structure:
 
-@verbatim{
+@verbatim[#:indent 7]{
            w
    ------------------
   |                  | a  \