doc updates

svn: r9250

original commit: 2b27ed487215867bc1aa371a27ecb53ccbc336b2

collects/scribblings/scribble/basic.scrbl

@@ -1,12 +1,15 @@
 #lang scribble/doc
 @(require scribble/manual
           "utils.ss"
-          (for-syntax scheme/base))
+          (for-syntax scheme/base)
+          (for-label setup/main-collects))
 
 @(define-syntax def-section-like
    (syntax-rules ()
      [(_ id result/c x ...)
       (defproc (id [#:tag tag (or/c false/c string?) #f]
+                   [#:tag-prefix tag-prefix (or/c false/c string? module-path?) #f]
+                   [#:style style any/c #f]
                    [pre-content any/c] (... ...+))
         result/c
         x ...)]))
@@ -51,6 +54,7 @@ have @schememodname[scribble/manual]).
 @section{Document Structure}
 
 @defproc[(title [#:tag tag (or/c false/c string?) #f]
+                [#:tag-prefix tag-prefix (or/c false/c string? module-path?) #f]
                 [#:style style any/c #f]
                 [#:version vers (or/c string? false/c) #f]
                 [pre-content any/c] ...+)
@@ -68,6 +72,11 @@ separate pages in multi-page HTML output. A style of @scheme['index]
 indicates an index section whose body is rendered in two columns for
 Latex output.
 
+The @scheme[tag-prefix] argument is propagated to the generated
+structure (see @secref["tags"]). If @scheme[tag-prefix] is a module
+path, it is converted to a string using
+@scheme[module-path-prefix->string].
+
 The @scheme[vers] argument is propagated to the @scheme[title-decl]
 structure.
 
@@ -117,6 +126,13 @@ Returns @scheme[#t] if @scheme[v] is an item produced by
  visible to the enclosing context). Since this form expands to
  @scheme[require], it must be used in a module or top-level context.}
 
+@defproc[(module-path-prefix->string [mod-path module-path?])
+         string?]{
+
+Converts a module path to a string by resolving it to a path, and
+using @scheme[path->main-collects-relative].}
+
+
 @; ------------------------------------------------------------------------
 
 @section{Text Styles}

collects/scribblings/scribble/struct.scrbl

@@ -1,7 +1,8 @@
 #lang scribble/doc
 @(require scribble/manual
           "utils.ss"
-          (for-label scribble/manual-struct))
+          (for-label scribble/manual-struct
+                     setup/main-collects))
 
 @title[#:tag "struct"]{Structures And Processing}
 
@@ -512,10 +513,13 @@ Used as a style for an @scheme[element]. The @scheme[style] at this
 layer is a style for the hyperlink.}
 
 
-@defstruct[image-file ([path path-string?]
+@defstruct[image-file ([path (or/c path-string?
+                                   (cons/c 'collects (listof bytes?)))]
                        [scale real?])]{
 
-Used as a style for an @scheme[element].}
+Used as a style for an @scheme[element] to inline an image. The
+@scheme[path] field can be a result of
+@scheme[path->main-collects-relative].}
 
 
 @defproc[(block? [v any/c]) boolean?]{