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diff --git a/lib/sisu/develop/errors.rb b/lib/sisu/develop/errors.rb
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+# encoding: utf-8
+=begin
+
+* Name: SiSU
+
+** Description: documents, structuring, processing, publishing, search
+*** system environment, error screen reporting
+
+** Author: Ralph Amissah
+  <ralph@amissah.com>
+  <ralph.amissah@gmail.com>
+
+** Copyright: (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
+  2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 Ralph Amissah,
+  All Rights Reserved.
+
+** License: GPL 3 or later:
+
+  SiSU, a framework for document structuring, publishing and search
+
+  Copyright (C) Ralph Amissah
+
+  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 3 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, see <http://www.gnu.org/licenses/>.
+
+  If you have Internet connection, the latest version of the GPL should be
+  available at these locations:
+  <http://www.fsf.org/licensing/licenses/gpl.html>
+  <http://www.gnu.org/licenses/gpl.html>
+
+  <http://www.sisudoc.org/sisu/en/manifest/gpl.fsf.html>
+
+** SiSU uses:
+  * Standard SiSU markup syntax,
+  * Standard SiSU meta-markup syntax, and the
+  * Standard SiSU object citation numbering and system
+
+** Hompages:
+  <http://www.jus.uio.no/sisu>
+  <http://www.sisudoc.org>
+
+** Git
+  <http://git.sisudoc.org/gitweb/?p=code/sisu.git;a=summary>
+  <http://git.sisudoc.org/gitweb/?p=code/sisu.git;a=blob;f=lib/sisu/develop/errors.rb;hb=HEAD>
+
+=end
+module SiSU_Errors
+  require_relative 'se'                                 # se.rb
+    include SiSU_Env; include SiSU_Screen
+  class Rescued <CreateFile
+    def initialize(error,errorlist,cmd,fns='')
+      @fns,@cmd,@error,@errorlist=fns,cmd,error,errorlist
+      @cmd=(cmd \
+      && (cmd =~/c/)) \
+      ?  'Vc'
+      : 'V'
+    end
+    def location
+      file=@fns \
+      ? (SiSU_Env::CreateFile.new(@fns).file_error)
+      : (File.new('/tmp/errorlog.sisu','w+'))
+      file << @fns << "\n" << @error << "\n" << @errorlist
+      file.close
+      if @cmd=~/[vVM]/
+        SiSU_Screen::Ansi.new('',$!,$@).rescue do
+          (block_given?) ? yield : __LINE__.to_s + ':' + __FILE__
+        end
+      else
+        SiSU_Screen::Ansi.new('',"rescued, exception raised, silenced").puts_grey
+      end
+    end
+  end
+end
+__END__