change Scribble to complain about colliding tags

svn: r8025

original commit: fd1de94a484332ae57d648b83b32038011bace1b

collects/scribblings/gui/editor-overview.scrbl

@@ -82,11 +82,11 @@ Now, the standard cut and paste operations work, and the user can even
  on the outside of the box is rearranged as the box changes
  sizes. Note that the box itself can be copied and pasted.
 
-The content of an editor is made up of @deftech{snips}. An embedded
- editor is a single snip from the embedding editor's point-of-view. To
- encode immediate text, a snip can be a single character, but more
- often a snip is a sequence of adjacent characters on the same
- line. The @method[text% find-snip] method extracts a snip
+The content of an editor is made up of @defterm{@tech{snips}}. An
+ embedded editor is a single snip from the embedding editor's
+ point-of-view. To encode immediate text, a snip can be a single
+ character, but more often a snip is a sequence of adjacent characters
+ on the same line. The @method[text% find-snip] method extracts a snip
  from a text editor:
 
 @schemeblock[
@@ -396,15 +396,15 @@ Graceful and extensible encoding of snips requires that
  @item{Some editors may require additional information to be stored
  about a snip; this information is orthogonal to the type-specific
  information stored by the snip itself. For example, a pasteboard
- needs to remember a snip's @techlink{location}, while a text editor does not
- need this information.  If data is being cut and pasted from one
- pasteboard to another, then information about relative @techlink{location}s
- needs to be maintained, but this information should not inhibit
- pasting into an editor. Extra data is associated with a snip through
- @deftech{editor data} objects, instances of the
- @scheme[editor-data%] class; decoding requires that each editor data
- object has an @deftech{editor data class}, an instance of the
- @scheme[editor-data-class%] class.}
+ needs to remember a snip's @techlink{location}, while a text editor
+ does not need this information.  If data is being cut and pasted from
+ one pasteboard to another, then information about relative
+ @techlink{location}s needs to be maintained, but this information
+ should not inhibit pasting into an editor. Extra data is associated
+ with a snip through @deftech{editor data} objects, which are
+ instances of the @scheme[editor-data%] class; decoding requires that
+ each editor data object has an @deftech{editor data class}, which is
+ an instance of the @scheme[editor-data-class%] class.}
 
 }
 
@@ -415,7 +415,7 @@ Snip classes, snip data, and snip data classes solve problems related
 
 @subsubsection[#:tag "editorsnipclasses"]{Snip Classes}
 
-Each snip can be associated to a @deftech{snip class}. This ``class''
+Each snip can be associated to a @tech{snip class}. This ``class''
  is not a class description in the programmer's language; it is an
  object which provides a way to create new snips of the appropriate
  type from an encoded snip specification.
@@ -455,12 +455,12 @@ A snip class's name can also be just @scheme["(lib ...)"], which is
 While a snip belongs to an editor, the editor may store extra
  information about a snip in some specialized way. When the snip is to
  be encoded, this extra information needs to be put into an
- @deftech{editor data} object so that the extra information can be
+ @tech{editor data} object so that the extra information can be
  encoded as well.  In a text editor, extra information can be
  associated with ranges of @techlink{item}s, as well as snips.
 
 Just as a snip must be associated with a snip class to be decoded (see
- @|snipclassdiscuss|), an editor data object needs an @deftech{editor
+ @|snipclassdiscuss|), an editor data object needs an @tech{editor
  data class} for decoding. Every editor data class object can be added
  to the eventspace-specific @deftech{editor data class list}, returned
  by @scheme[get-the-editor-data-class-list]. Alternatively, like snip

collects/scribblings/gui/guide.scrbl

@@ -8,17 +8,17 @@ For documentation purposes, the MrEd toolbox is organized into three
 
 @itemize{
 
- @item{The @deftech{windowing} toolbox, for implementing form-filling
+ @item{The @deftech{windowing toolbox}, for implementing form-filling
  GUI programs (such as a database query window) using buttons, menus,
  text fields, and events. The windowing toolbox is described in
  @secref["windowing-overview"].}
 
- @item{The @deftech{drawing} toolbox, for drawing pictures or
+ @item{The @deftech{drawing toolbox}, for drawing pictures or
  implementing dynamic GUI programs (such as a video game) using
  drawing canvases, pens, and brushes. The drawing toolbox is
  described in @secref["drawing-overview"].}
 
- @item{The @deftech{editor} toolbox, for developing traditional text
+ @item{The @deftech{editor toolbox}, for developing traditional text
  editors, editors that mix text and graphics, or free-form layout
  editors (such as a word processor, HTML editor, or icon-based file
  browser).  The editor toolbox is described in

collects/scribblings/gui/win-overview.scrbl

@@ -109,7 +109,7 @@ In addition to dispatching events, the GUI classes also handle the
  graphical layout of windows. Our example frame demonstrates a simple
  layout; the frame's elements are lined up top-to-bottom. In general,
  a programmer specifies the layout of a window by assigning each GUI
- element to a parent @deftech{container}. A vertical container, such
+ element to a parent @tech{container}. A vertical container, such
  as a frame, arranges its children in a column, and a horizontal
  container arranges its children in a row. A container can be a child
  of another container; for example, to place two buttons side-by-side
@@ -296,9 +296,9 @@ Menu bars, menus, and menu items are graphical elements, but not areas
   @item{@scheme[separator-menu-item%] --- a @deftech{separator} is
   an unselectable line in a menu or popup menu.}
 
-  @item{@scheme[menu-item%] --- a @deftech{menu item} is a selectable
-  text item in a menu. When the item is selected, its callback procedure
-  is invoked.}
+  @item{@scheme[menu-item%] --- a @deftech{plain menu item} is a
+  selectable text item in a menu. When the item is selected, its
+  callback procedure is invoked.}
 
   @item{@scheme[checkable-menu-item%] --- a @deftech{checkable menu
   item} is a text item in a menu; the user selects a checkable menu
@@ -405,7 +405,7 @@ Each @tech{containee}, or child, has the following properties:
 
  @item{horizontal and vertical @deftech{stretchability} (on or off); and}
 
- @item{horizontal and vertical @deftech{margins}.}
+ @item{horizontal and vertical @tech{margins}.}
 
 }
 
@@ -822,7 +822,7 @@ Although a programmer has no direct control over the order in which
 
 @subsection[#:tag "espacethreads"]{Eventspaces and Threads}
 
-When a new eventspace is created, a corresponding @deftech{handler
+When a new eventspace is created, a corresponding @tech{handler
  thread} is created for the eventspace. When the system dispatches an
  event for an eventspace, it always does so in the eventspace's
  handler thread. A handler procedure can create new threads that run

collects/scribblings/gui/wxme.scrbl

@@ -435,7 +435,7 @@ special comment contains the comment text.}
 A text-mode reader for XML boxes.}]
 
 
-@defclass[comment-editor% editor% (readable<%>)]{
+@defclass[xml-editor% editor% (readable<%>)]{
 
 Instantiated for DrScheme XML boxes in a @tech{WXME} stream for text
 mode.
@@ -469,7 +469,7 @@ Scheme boxes.}
 A text-mode reader for Scheme boxes.}]
 
 
-@defclass[comment-editor% editor% (readable<%>)]{
+@defclass[scheme-editor% editor% (readable<%>)]{
 
 Instantiated for DrScheme Scheme boxes in a @tech{WXME} stream for text
 mode.
@@ -493,15 +493,15 @@ Generates an S-expression for the code in the box.}
 
 @section{DrScheme Text Boxes}
 
-@defmodule[wxme/scheme]
+@defmodule[wxme/text]
 
-@in[wxme/scheme
+@in[wxme/text
 @defthing[reader (is-a?/c snip-reader<%>)]{
 
 A text-mode reader for text boxes.}]
 
 
-@defclass[comment-editor% editor% (readable<%>)]{
+@defclass[text-editor% editor% (readable<%>)]{
 
 Instantiated for DrScheme text boxes in a @tech{WXME} stream for text
 mode.