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diff --git a/lib/sisu/0.52/param_identify_markup.rb b/lib/sisu/0.52/param_identify_markup.rb
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+=begin
+ * Name: modify.rb
+ * Author: Ralph Amissah
+ * http://www.jus.uio.no/sisu
+ * http://www.jus.uio.no/sisu/SiSU/download.html
+
+ * Description: A conversion script for canned substitutions,
+ a fairly generic simple tool that can be used to store other canned conversions,
+ used here for altering SiSU markup
+
+ * Copyright (C) 2004, 2006 Ralph Amissah
+
+ * Packaged with: SiSU information Structuring Universe - Structured information, Serialized Units
+ * SiSU Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Ralph Amissah
+
+ * License: GPL 2 or later
+
+ Summary of GPL 2
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by the Free
+ Software Foundation; either version 2 of the License, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+
+ If you have Internet connection, the latest version of the GPL should be
+ available at these locations:
+ http://www.fsf.org/licenses/gpl.html
+ http://www.gnu.org/copyleft/gpl.html
+ http://www.jus.uio.no/sisu/gpl2.fsf
+
+ © Ralph Amissah 1997, current 2007.
+ All Rights Reserved.
+
+ * Ralph Amissah: ralph@amissah.com
+ ralph.amissah@gmail.com
+=end
+module SiSU_Markup
+ class Markup_identify
+ @@fns,@@version_determined,@@version_declared,@@declared_doc_type='','','','[text?]'
+ attr_accessor :version_determined,:version_declared,:declared_doc_type
+ def initialize(content,opt)
+ @cont,@opt=content,opt
+ end
+ def identify
+ @version_determined,@version_declared,@declared_doc_type=@@version_determined,@@version_declared,@@declared_doc_type
+ if @opt.fns != @@fns
+ if @cont[0] =~ /^(?:%\s+)?SiSU\s+(text|master|insert)\s+([0-9](?:\.[0-9]+){1,2})/ or @cont[0] =~ /^(?:%\s+)?sisu-([0-9](?:\.[0-9]+){1,2})/
+ @declared_doc_type,@version_declared=$1,$2
+ elsif @cont[0] =~ /^(?:%\s+)?SiSU\s+([0-9](?:\.[0-9]+){1,2})/ or @cont[0] =~ /^(?:%\s+)?sisu-([0-9](?:\.[0-9]+){1,2})/
+ @version_declared=$1
+ end
+ @flag_38=false
+ @cont.each_with_index do |y,i|
+ if @flag_38 or y =~/^:?A~/
+ @version_determined=0.38
+ @flag_38=true
+ break if i >= 200
+ if y =~ /(?:~{\*+|~\[\*|~\[\+)\s/
+ @version_determined=0.42 #0.38 can safely be treated as 0.42
+ break
+ end
+ end
+ if y =~/^0~/ and not @flag_38
+ @version_determined=0.16
+ break
+ end
+ end
+ @@fns=@opt.fns
+ @@version_determined,@@version_declared,@@declared_doc_type=@version_determined,@version_declared,@declared_doc_type
+ end
+ self
+ end
+ def markup_version?
+ identify.version_determined.to_f
+ end
+ end
+end
+__END__