solves everything in guides raised by WARNINGS=1 (except for one whic…

…h is abandoned atm)

railties/guides/rails_guides/generator.rb

@@ -237,8 +237,9 @@ def extract_anchors(html)
         end
       end
 
-      # Also, footnotes are rendered as paragraphs this way.
+      # Footnotes.
       anchors += Set.new(html.scan(/<p\s+class="footnote"\s+id="([^"]+)/).flatten)
+      anchors += Set.new(html.scan(/<sup\s+class="footnote"\s+id="([^"]+)/).flatten)
       return anchors
     end
 

railties/guides/source/active_support_core_extensions.textile

@@ -1685,27 +1685,7 @@ foreign_key = options[:foreign_key] || reflection.active_record.name.foreign_key
 
 NOTE: Defined in +active_support/core_ext/string/inflections.rb+.
 
-h4. Conversions
-
-h5. +constantize+
-
-The method +constantize+ expects the receiver to contain the name of a constant, and tries to get you the object stored in there, assuming it is defined:
-
-<ruby>
-"ActiveRecord::Base".constantize # => ActiveRecord::Base
-</ruby>
-
-The name is assumed to be top-level, no matter whether it starts with "::" or not. No lexical context is taken into account:
-
-<ruby>
-C = 1
-module M
-  C = 2
-  "C".constantize # => 1, same as "::C".constantize
-end
-</ruby>
-
-NOTE: Defined in +active_support/core_ext/string/conversions.rb+.
+h4(#string-conversions). Conversions
 
 h5. +ord+
 
@@ -2041,7 +2021,7 @@ This method receives an arbitrary number of action names, and an optional hash o
 
 NOTE: Defined in +active_support/core_ext/array/extract_options.rb+.
 
-h4. Conversions
+h4(#array-conversions). Conversions
 
 h5. +to_sentence+
 
@@ -2985,7 +2965,7 @@ Date.new(2010, 1, 31).change(:month => 2)
 # => ArgumentError: invalid date
 </ruby>
 
-h5. Durations
+h5(#date-durations). Durations
 
 Durations can be added and substracted to dates:
 
@@ -3191,7 +3171,7 @@ DateTime.current.change(:month => 2, :day => 30)
 # => ArgumentError: invalid date
 </ruby>
 
-h5. Durations
+h5(#datetime-durations). Durations
 
 Durations can be added and substracted to datetimes:
 
@@ -3304,7 +3284,7 @@ Both +local_time+ and +utc_time+ accept up to seven positional arguments: year,
 
 If the time to be constructed lies beyond the range supported by +Time+ in the runtime platform, usecs are discarded and a +DateTime+ object is returned instead.
 
-h5. Durations
+h5(#time-durations). Durations
 
 Durations can be added and substracted to time objects:
 

railties/guides/source/association_basics.textile

@@ -550,7 +550,7 @@ build_customer
 create_customer
 </ruby>
 
-h6. <em>association</em>(force_reload = false)
+h6. <tt>_association_(force_reload = false)</tt>
 
 The <tt><em>association</em></tt> method returns the associated object, if any. If no associated object is found, it returns +nil+.
 
@@ -560,15 +560,15 @@ The <tt><em>association</em></tt> method returns the associated object, if any.
 
 If the associated object has already been retrieved from the database for this object, the cached version will be returned. To override this behavior (and force a database read), pass +true+ as the +force_reload+ argument.
 
-h6. _association_=(associate)
+h6. <tt>_association_=(associate)</tt>
 
 The <tt><em>association</em>=</tt> method assigns an associated object to this object. Behind the scenes, this means extracting the primary key from the associate object and setting this object's foreign key to the same value.
 
 <ruby>
 @order.customer = @customer
 </ruby>
 
-h6. build_<em>association</em>(attributes = {})
+h6(#belongs_to-build_association). <tt>build_<em>association</em>(attributes = {})</tt>
 
 The <tt>build_<em>association</em></tt> method returns a new object of the associated type. This object will be instantiated from the passed attributes, and the link through this object's foreign key will be set, but the associated object will _not_ yet be saved.
 
@@ -577,7 +577,7 @@ The <tt>build_<em>association</em></tt> method returns a new object of the assoc
   :customer_name => "John Doe")
 </ruby>
 
-h6. create_<em>association</em>(attributes = {})
+h6(#belongs_to-create_association). <tt>create_<em>association</em>(attributes = {})</tt>
 
 The <tt>create_<em>association</em></tt> method returns a new object of the associated type. This object will be instantiated from the passed attributes, and the link through this object's foreign key will be set. In addition, the associated object _will_ be saved (assuming that it passes any validations).
 
@@ -835,15 +835,15 @@ The <tt><em>association</em>=</tt> method assigns an associated object to this o
 @supplier.account = @account
 </ruby>
 
-h6. <tt>build_<em>association</em>(attributes = {})</tt>
+h6(#has_one-build_association). <tt>build_<em>association</em>(attributes = {})</tt>
 
 The <tt>build_<em>association</em></tt> method returns a new object of the associated type. This object will be instantiated from the passed attributes, and the link through its foreign key will be set, but the associated object will _not_ yet be saved.
 
 <ruby>
 @account = @supplier.build_account(:terms => "Net 30")
 </ruby>
 
-h6. <tt>create_<em>association</em>(attributes = {})</tt>
+h6(#has_one-create_association). <tt>create_<em>association</em>(attributes = {})</tt>
 
 The <tt>create_<em>association</em></tt> method returns a new object of the associated type. This object will be instantiated from the passed attributes, and the link through its foreign key will be set. In addition, the associated object _will_ be saved (assuming that it passes any validations).
 
@@ -985,7 +985,7 @@ The +:source_type+ option specifies the source association type for a +has_one :
 
 h6(#has_one-through). +:through+
 
-The +:through+ option specifies a join model through which to perform the query. +has_one :through+ associations were discussed in detail <a href="#the-has-one-through-association">earlier in this guide</a>.
+The +:through+ option specifies a join model through which to perform the query. +has_one :through+ associations were discussed in detail <a href="#the-has_one-through-association">earlier in this guide</a>.
 
 h6(#has_one-validate). +:validate+
 
@@ -1136,7 +1136,7 @@ h6. <tt><em>collection</em>.exists?(...)</tt>
 
 The <tt><em>collection</em>.exists?</tt> method checks whether an object meeting the supplied conditions exists in the collection. It uses the same syntax and options as +ActiveRecord::Base.exists?+.
 
-h6. <tt><em>collection</em>.build(attributes = {}, ...)</tt>
+h6(#has_many_collection_build). <tt><em>collection</em>.build(attributes = {}, ...)</tt>
 
 The <tt><em>collection</em>.build</tt> method returns one or more new objects of the associated type. These objects will be instantiated from the passed attributes, and the link through their foreign key will be created, but the associated objects will _not_ yet be saved.
 
@@ -1367,7 +1367,7 @@ The +:source_type+ option specifies the source association type for a +has_many
 
 h6(#has_many-through). +:through+
 
-The +:through+ option specifies a join model through which to perform the query. +has_many :through+ associations provide a way to implement many-to-many relationships, as discussed <a href="#the-has-many-through-association">earlier in this guide</a>.
+The +:through+ option specifies a join model through which to perform the query. +has_many :through+ associations provide a way to implement many-to-many relationships, as discussed <a href="#the-has_many-through-association">earlier in this guide</a>.
 
 h6(#has_many-uniq). +:uniq+
 
@@ -1553,7 +1553,7 @@ h6(#has_and_belongs_to_many-collection-exists). <tt><em>collection</em>.exists?(
 
 The <tt><em>collection</em>.exists?</tt> method checks whether an object meeting the supplied conditions exists in the collection. It uses the same syntax and options as +ActiveRecord::Base.exists?+.
 
-h6. <tt><em>collection</em>.build(attributes = {})</tt>
+h6(#has_and_belongs_to_many-collection-build). <tt><em>collection</em>.build(attributes = {})</tt>
 
 The <tt><em>collection</em>.build</tt> method returns a new object of the associated type. This object will be instantiated from the passed attributes, and the link through the join table will be created, but the associated object will _not_ yet be saved.