Add a patch to support syntax highlighting of the Ruby language.

Obtained from:	Mike Wilson <wmwilson01@hotmail.com>
		(http://members.home.com/wmwilson01/enscript/)

(I've got no response from the maintainer for 5 days and a half)

2 files changed, 240 insertions, 0 deletions

diff --git a/print/enscript-letter/Makefile b/print/enscript-letter/Makefile
index 27450033bbbc..5cbfd2564e1e 100644
--- a/print/enscript-letter/Makefile
+++ b/print/enscript-letter/Makefile
@@ -7,6 +7,7 @@
 
 PORTNAME=	enscript-${PAPERSIZE}
 PORTVERSION=	1.6.1
+PORTREVISION=	1
 CATEGORIES+=	print
 MASTER_SITES=	${MASTER_SITE_GNU}
 MASTER_SITE_SUBDIR=	enscript
diff --git a/print/enscript-letter/files/patch-enscript.st b/print/enscript-letter/files/patch-enscript.st
new file mode 100644
index 000000000000..c990fd77bba4
--- /dev/null
+++ b/print/enscript-letter/files/patch-enscript.st
@@ -0,0 +1,239 @@
+*** states/enscript.st.bak	Mon Feb  5 14:38:08 2001
+--- states/enscript.st	Wed Feb  7 08:51:50 2001
+***************
+*** 1285,1290 ****
+--- 1285,1291 ----
+    /\.idl$/				idl;
+    /\.(hs|lhs|gs|lgs)$/			haskell;
+    /\.(pm|pl)$/				perl;
++   /\.(rb|rbw)$/				ruby;
+    /\.(eps|EPS|ps|PS)$/			postscript;
+    /\.py$/				python;
+    /\.js$/				javascript;
+***************
+*** 1313,1318 ****
+--- 1314,1321 ----
+    /-\*- [Ii][Dd][Ll] -\*-/				idl;
+    /-\*- [Pp][Ee][Rr][Ll] -\*-/				perl;
+    /^#![ \t]*\/.*\/perl/					perl;
++   /-\*- [Rr][Uu][Bb][Yy] -\*-/                          ruby;
++   /^#![ \t]*\/.*\/(env )?ruby/                                 ruby;
+    /^\04?%!/						postscript;
+    /^From:/						mail;
+    /^#![ \t]*(\/usr)?\/bin\/[ngmt]?awk/			awk;
+***************
+*** 4530,4535 ****
+--- 4533,4745 ----
+  
+  }
+  
++ 
++ /**
++  * Name: ruby
++  * Description: Ruby programming language.
++  * Author: Mike Wilson <m.v.wilson@home.com>
++  */
++ 
++ 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
++ 
++ 	--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
++ 
++ 	--Reference face
++ 	require include
++ 
++ 	--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
++    */
++ /\\b(private|protected|public)\\b/ {
++     type_face (true);
++     language_print ($0);
++     type_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(include|require)\\b/ {
++     reference_face (true);
++     language_print ($0);
++     reference_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)\\b/ {
++     keyword_face (true);
++     language_print ($0);
++     keyword_face (false);
++   }
++ 
++   LANGUAGE_SPECIALS {
++     language_print ($0);
++   }
++ }
++ 
+  
+  /**
+   * Name: scheme