Reorganize editor and snip documentation to break out `racket/snip'

original commit: f4571cb39ac16a9bab33ea8a4a063e95dee1abc8

collects/scribblings/gui/diagrams.rkt

@@ -11,8 +11,10 @@
            menu-diagram
            editor-diagram
            snip-diagram
+           editor-snip-diagram
            style-diagram
-           admin-diagram
+           snip-list-diagram
+           editor-admin-diagram
            stream-diagram)
 
   (define (diagram->table d)
@@ -125,11 +127,21 @@ DIAG
    |- string-snip%
    |   |- tab-snip%
    |- image-snip%
+   |- editor-snip% (not provided by racket/snip)
+
+  snip-admin%
+DIAG
+)
+
+  (define editor-snip-diagram
+#<<DIAG
+  snip%
    |- editor-snip%
 DIAG
 )
+
  
-  (define admin-diagram
+  (define editor-admin-diagram
 #<<DIAG
   editor-canvas%
  
@@ -145,13 +157,20 @@ DIAG
   style<%>         style-delta%       add-color<%>
   style-list%                         mult-color<%>
 DIAG
+)
+
+  (define snip-list-diagram
+#<<DIAG
+  snip-class%
+  snip-class-list<%>
+DIAG
 )
 
   (define stream-diagram
 #<<DIAG
  editor-data%
- editor-data-class%                     snip-class%
- editor-data-class-list<%>              snip-class-list<%>
+ editor-data-class%
+ editor-data-class-list<%>
  
  editor-stream-in%                 editor-stream-out%
  editor-stream-in-base%            editor-stream-out-base%

collects/scribblings/gui/editor-classes.scrbl

@@ -8,13 +8,13 @@ Editors:
 
 @diagram->table[editor-diagram]
 
-Snips:
+Editor Snips:
 
-@diagram->table[snip-diagram]
+@diagram->table[editor-snip-diagram]
 
 Displays, Administrators, and Mappings:
 
-@diagram->table[admin-diagram]
+@diagram->table[editor-admin-diagram]
 
 Styles:
 
@@ -44,18 +44,10 @@ Alphabetical:
 @include-section["editor-stream-out-base-class.scrbl"]
 @include-section["editor-stream-out-bytes-base-class.scrbl"]
 @include-section["editor-wordbreak-map-class.scrbl"]
-@include-section["image-snip-class.scrbl"]
 @include-section["keymap-class.scrbl"]
 @include-section["mult-color-intf.scrbl"]
 @include-section["pasteboard-class.scrbl"]
-@include-section["readable-snip-intf.scrbl"]
-@include-section["snip-class.scrbl"]
-@include-section["snip-admin-class.scrbl"]
-@include-section["snip-class-class.scrbl"]
-@include-section["snip-class-list-intf.scrbl"]
-@include-section["string-snip-class.scrbl"]
 @include-section["style-intf.scrbl"]
 @include-section["style-delta-class.scrbl"]
 @include-section["style-list-class.scrbl"]
-@include-section["tab-snip-class.scrbl"]
 @include-section["text-class.scrbl"]

collects/scribblings/gui/gui.scrbl

@@ -43,6 +43,7 @@ Both parts of the toolbox rely extensively on the
 @include-section["win-classes.scrbl"]
 @include-section["win-funcs.scrbl"]
 @include-section["editor-overview.scrbl"]
+@include-section["snip-classes.scrbl"]
 @include-section["editor-classes.scrbl"]
 @include-section["editor-funcs.scrbl"]
 @include-section["wxme.scrbl"]

collects/scribblings/gui/snip-classes.scrbl

@@ -0,0 +1,32 @@
+#lang scribble/doc
+@(require "common.ss"
+          "diagrams.ss")
+
+@title[#:style '(toc quiet)]{Snip Classes}
+
+@;@defmodule*/no-declare[(racket/snip)]
+
+The @racketmodname[racket/snip] collection provides access to the
+@tech{snip} classes @emph{without} depending on
+@racketmodname[racket/gui].  
+
+Snips and Administrators:
+
+@diagram->table[snip-diagram]
+
+Snip Lists:
+
+@diagram->table[snip-list-diagram]
+
+Alphabetical:
+
+@local-table-of-contents[]
+
+@include-section["image-snip-class.scrbl"]
+@include-section["readable-snip-intf.scrbl"]
+@include-section["snip-class.scrbl"]
+@include-section["snip-admin-class.scrbl"]
+@include-section["snip-class-class.scrbl"]
+@include-section["snip-class-list-intf.scrbl"]
+@include-section["string-snip-class.scrbl"]
+@include-section["tab-snip-class.scrbl"]