README.rdoc in bio-1.3.1 vs README.rdoc in bio-1.4.0

@@ -38,10 +38,11 @@
 === Documents in this distribution
 
 ==== General information
 
 README.rdoc:: This file. General information and installation procedure.
+RELEASE_NOTES.rdoc:: News and important changes in this release.
 KNOWN_ISSUES.rdoc:: Known issues and bugs in BioRuby.
 doc/Changes-1.3.rdoc:: News and incompatible changes from 1.2.1 to 1.3.0.
 doc/Changes-0.7.rd:: News and incompatible changes from 0.6.4 to 1.2.1.
 
 ==== Tutorials and other useful information
@@ -110,12 +111,12 @@
   % cvs -d :pserver:[e-mail]:/home/repository/bioruby co bioruby
 
 
 == REQUIREMENTS
 
-* Ruby 1.8.2 or later -- http://www.ruby-lang.org/
-  * Ruby 1.8.5 or later is recommended.
+* Ruby 1.8.2 or later (except Ruby 1.9.0) -- http://www.ruby-lang.org/
+  * Ruby 1.8.7-p174 or later, or Ruby 1.8.6-p383 or later is recommended.
   * Not yet fully ready with Ruby 1.9, although many components can now work
     in Ruby 1.9.1.
 
 == OPTIONAL REQUIREMENTS
 
@@ -142,9 +143,14 @@
 * For BioRuby 1.2.1 or older version,
   {RubyForge:Ruby/DBI}[http://rubyforge.org/projects/ruby-dbi] and
   at least one driver from MySQL/Ruby, postgres-pr, or
   {RubyForge:ruby-oci8}[http://ruby-oci8.rubyforge.org/]
   (note that ruby-oci8 can only work with ruby-dbi 0.2.2).
+
+For parsing PhyloXML format files:
+
+* {RubyForge:libxml-ruby}[http://libxml.rubyforge.org/] (Ruby language
+  bindings for the {GNOME Libxml2 XML toolkit}[http://xmlsoft.org/])
 
 
 == INSTALL
 
 In the bioruby source directory (such as bioruby-x.x.x/), run setup.rb