diff -uNr ../enscript-1.6.4.mp_patched/states/hl/Makefile.in ./states/hl/Makefile.in
--- ../enscript-1.6.4.mp_patched/states/hl/Makefile.in	2009-07-22 00:44:57.000000000 +0900
+++ ./states/hl/Makefile.in	2009-07-22 00:46:44.000000000 +0900
@@ -188,9 +188,9 @@
 diffs.st diffu.st elisp.st fortran.st fortran_pp.st haskell.st html.st	\
 idl.st inf.st java.st javascript.st ksh.st m4.st mail.st makefile.st	\
 matlab.st nroff.st objc.st outline.st pascal.st passthrough.st perl.st	\
-postscript.st python.st pyrex.st rfc.st scheme.st sh.st skill.st	\
-sql.st states.st synopsys.st tcl.st tcsh.st tex.st vba.st verilog.st	\
-vhdl.st vrml.st wmlscript.st zsh.st
+postscript.st python.st pyrex.st ruby.st rfc.st scheme.st sh.st 	\
+skill.st sql.st states.st synopsys.st tcl.st tcsh.st tex.st vba.st 	\
+verilog.st vhdl.st vrml.st wmlscript.st zsh.st
 
 
 states = $(misc) $(styles) $(languages) $(highlightings)
diff -uNr ../enscript-1.6.4.mp_patched/states/hl/enscript.st ./states/hl/enscript.st
--- ../enscript-1.6.4.mp_patched/states/hl/enscript.st	2003-03-05 17:31:31.000000000 +0900
+++ ./states/hl/enscript.st	2009-07-22 00:54:38.000000000 +0900
@@ -489,6 +489,7 @@
   /\.idl$/					idl;
   /\.(hs|lhs|gs|lgs)$/				haskell;
   /\.(pm|pl)$/					perl;
+  /\.(rb|rbw)$/					ruby;
   /\.(eps|EPS|ps|PS)$/				postscript;
   /\.py$/					python;
   /\.pyx$/					pyrex;
@@ -530,6 +531,8 @@
   /-\*- [Ii][Dd][Ll] -\*-/				idl;
   /-\*- [Pp][Ee][Rr][Ll] -\*-/				perl;
   /^#![ \t]*\/.*\/perl/					perl;
+  /-\*- [Rr][Uu][Bb][Yy] -\*-/				ruby;
+  /^#![ \t]*\/.*\/(env )?ruby/				ruby;
   /^From:/						mail;
   /^#![ \t]*(\/usr)?\/bin\/[ngmt]?awk/			awk;
   /^#![ \t]*(\/usr)?\/bin\/sh/				sh;
diff -uNr ../enscript-1.6.4.mp_patched/states/hl/ruby.st ./states/hl/ruby.st
--- ../enscript-1.6.4.mp_patched/states/hl/ruby.st	1970-01-01 09:00:00.000000000 +0900
+++ ./states/hl/ruby.st	2009-07-22 00:45:47.000000000 +0900
@@ -0,0 +1,213 @@
+/**
+ * Name: ruby
+ * Description: Ruby programming language.
+ * Author: Mike Wilson
+ */
+
+state ruby_comment
+{
+  /\*\\\// {
+    language_print ($0);
+    return;
+  }
+  LANGUAGE_SPECIALS {
+   language_print ($0);
+  }
+}
+
+state ruby_dquot_string
+{
+  /\\\\./ {
+    language_print ($0);
+  }
+  /\"/ {
+    language_print ($0);
+    return;
+  }
+  LANGUAGE_SPECIALS {
+    language_print ($0);
+  }
+}
+
+state ruby_quot_string
+{
+  /\\\\./ {
+    language_print ($0);
+  }
+  /[\']/ {
+    language_print ($0);
+    return;
+  }
+  LANGUAGE_SPECIALS {
+    language_print ($0);
+  }
+}
+
+state ruby_bquot_string
+{
+  /\\\\./ {
+    language_print ($0);
+  }
+  /`/ {
+    language_print ($0);
+    return;
+  }
+  LANGUAGE_SPECIALS {
+    language_print ($0);
+  }
+}
+
+state ruby
+{
+  BEGIN {
+    header ();
+  }
+  END {
+    trailer ();
+  }
+
+  /* Comments. */
+  /#[^{].*$/ {
+    comment_face (true);
+    language_print ($0);
+    comment_face (false);
+  }
+
+  /* Ignore escaped quote marks */
+  /\\\"/ {
+    language_print ($0);
+  }
+  /\\\'/ {
+    language_print ($0);
+  }
+  /\\\`/ {
+    language_print ($0);
+  }
+
+  /* In cgi files, JavaScript might be imbedded, so we need to look out
+   * for the JavaScript comments, because they might contain something
+   * we don't like, like a contraction (don't, won't, etc.)
+   * We won't put them in comment face, because they are not ruby
+   * comments.
+   */
+  /\/\// {
+    language_print ($0);
+    call (eat_one_line);
+  }
+
+  /* String constants. */
+  /\"/ {
+    string_face (true);
+    language_print ($0);
+    call (ruby_dquot_string);
+    string_face (false);
+  }
+  /[\']/ {
+    string_face (true);
+    language_print ($0);
+    call (ruby_quot_string);
+    string_face (false);
+  }
+
+  /* Backquoted command string */
+  /`/ {
+    string_face (true);
+    language_print ($0);
+    call (ruby_bquot_string);
+    string_face (false);
+  }
+
+  /* Variables globals and instance */
+  /[$@]\w+/ {
+    variable_name_face (true);
+    language_print ($0);
+    variable_name_face (false);
+  }
+
+  /* Variables class variable */
+  /@@\w+/ {
+    variable_name_face (true);
+    language_print ($0);
+    variable_name_face (false);
+  }
+
+   /([ \t]*)(def)([ \t]+)([^(]*)/ {
+    /* indentation */
+    language_print ($1);
+
+    /* def */
+    keyword_face (true);
+    language_print ($2);
+    keyword_face (false);
+
+    /* middle */
+    language_print ($3);
+
+    /* Function name. */
+    function_name_face (true);
+    language_print ($4);
+    function_name_face (false);
+  }
+
+  /\$[!@&`'+~=\/\\,;.<>_*$?:"]/ {
+    variable_name_face (true);
+    language_print ($0);
+    variable_name_face (false);
+  }
+
+  /* Highlighting
+	--Type face
+ 	private protected public
+
+	--Reference face
+	require include load
+
+	--Builtin face (I consider these to be somewhat special)
+	alias alias_method attr attr_accessor attr_reader attr_writer 
+	module_alias module_function self super
+
+	--Keyword face
+	and begin break case class def defined? do else elsif end 
+	ensure eval extend false for if in method module next nil not 
+	or redo rescue retry return then true undef unless until when
+	while yield proc lambda loop catch throw __LINE__ __FILE__ END BEGIN
+   */
+/\\b(private|protected|public)\\b/ {
+    type_face (true);
+    language_print ($0);
+    type_face (false);
+  }
+
+/\\b(include|require|load)\\b/ {
+    reference_face (true);
+    language_print ($0);
+    reference_face (false);
+  }
+
+/\\b(alias|alias_method|attr|attr_accessor|attr_reader|attr_writer\\
+|module_alias|module_function|self|super)\\b/ {
+    builtin_face (true);
+    language_print ($0);
+    builtin_face (false);
+  }
+
+/\\b(and|begin|break|case|class|def|defined?|do|else|elsif|end|ensure|eval\\
+|extend|false|for|if|in|method|module|next|nil|not|or|raise|redo|rescue|retry\\
+|return|then|true|undef|unless|until|when|while|yield|proc|lambda|loop|catch\\
+|throw|__LINE__|__FILE__|END|BEGIN)\\b/ {
+    keyword_face (true);
+    language_print ($0);
+    keyword_face (false);
+  }
+
+  LANGUAGE_SPECIALS {
+    language_print ($0);
+  }
+}
+
+
+/*
+Local variables:
+mode: c
+End:
+*/