documentation more consistent

scrbl/menu.scrbl

@@ -8,7 +8,7 @@
                      json
                      "../menu.rkt"))
 
-@title{menu}
+@title[#:tag "menu"]{menu}
 @author[@author+email["Hans Dijkema" "hans@dijkewijk.nl"]]
 
 @defmodule[racket-webview/menu]
@@ -18,7 +18,7 @@ Menu data structures used by the webview library.
 This module provides constructors, predicates, traversal helpers, mutation
 operations, and JSON conversion for menu trees.
 
-@section{Overview}
+@section[#:tag "menu-overview"]{Overview}
 
 A menu is represented as a tree. A menu consists of menu items, and a menu item
 may optionally contain a submenu.
@@ -29,14 +29,14 @@ strings and may be supplied either as @racket[#f], strings, or URL values.
 The module does not display menus itself. It provides the menu data structure
 used by higher layers.
 
-@section{Internal Representation}
+@section[#:tag "menu-internal-representation"]{Internal Representation}
 
 Internally, menus are represented by transparent structure values. These
 structure constructors and predicates are not exported directly. The public API
 uses constructor procedures and helper functions operating on those internal
 values.
 
-@section{Predicates}
+@section[#:tag "menu-predicates"]{Predicates}
 
 @defproc[(is-wv-menu? [mnu any/c]) boolean?]{
 
@@ -48,7 +48,7 @@ list is a list of internal menu items, and every submenu recursively also
 satisfies @racket[is-wv-menu?].
 }
 
-@section{Constructors}
+@section[#:tag "menu-constructors"]{Constructors}
 
 @defproc[(wv-menu [item-or-id any/c] ...)
          any/c]{
@@ -97,7 +97,7 @@ stored.
 If any argument does not satisfy these conditions, an exception is raised.
 }
 
-@section{Traversal and Lookup}
+@section[#:tag "menu-traversal-and-lookup"]{Traversal and Lookup}
 
 @defproc[(wv-menu-for-each [menu any/c] [cb procedure?]) boolean?]{
 
@@ -121,7 +121,7 @@ After the callback has been applied, the original @racket[menu] value is
 returned.
 }
 
-@section{Mutation}
+@section[#:tag "menu-mutation"]{Mutation}
 
 @defproc[(wv-menu-set-title! [menu any/c] [id symbol?] [title string?])
          any/c]{
@@ -154,7 +154,7 @@ Sets the callback of the menu item identified by @racket[id].
 @racket[menu] value.
 }
 
-@section{Conversion}
+@section[#:tag "menu-conversion"]{Conversion}
 
 @defproc[(wv-menu->json [menu any/c]) string?]{
 
@@ -177,7 +177,7 @@ The @racket['id] field of the top-level menu is also converted to a string in
 the JSON output.
 }
 
-@section{Accessors}
+@section[#:tag "menu-accessors"]{Accessors}
 
 @defproc[(wv-menu-id [m any/c]) any/c]{