v3: texpdf, codeblocks, use listings package (for grey box)

* (internally retain possibility to use boites package)

2 files changed, 244 insertions, 77 deletions

diff --git a/lib/sisu/v3/texpdf.rb b/lib/sisu/v3/texpdf.rb
index d36344cd..2b9e1087 100644
--- a/lib/sisu/v3/texpdf.rb
+++ b/lib/sisu/v3/texpdf.rb
@@ -294,6 +294,7 @@ module SiSU_TeX
           true
         else false
         end
+        @codeblock_box='listings' #alternative 'boites'
       end
       def songsheet
         begin
@@ -352,7 +353,11 @@ module SiSU_TeX
               dob.tmp=SiSU_TeX_Pdf::Format_text_object.new(@md,dob.tmp).url_str_internal(dob.tmp)
             end
           elsif dob.is =='code'
-            dob.tmp=SiSU_TeX_Pdf::Special_characters.new(@md,dob.tmp).special_characters_code
+            dob.tmp=if @codeblock_box=='listings'
+              dob.tmp
+            else
+              SiSU_TeX_Pdf::Special_characters.new(@md,dob.tmp).special_characters_code
+            end
           elsif dob.is =='break'
             if dob.obj==Mx[:br_page]; dob.tmp='\newpage'
             elsif dob.obj==Mx[:br_page_new]; dob.tmp='\clearpage'
@@ -408,6 +413,53 @@ module SiSU_TeX
       def enclose(dob)
         dob
       end
+      def box_boites(dob,ocn)
+        sp_char=SiSU_TeX_Pdf::Special_characters.new(@md,dob.tmp,dob.is)
+        dob.tmp=sp_char.special_characters_safe
+        dob.tmp.gsub!(/(#{Mx[:nbsp]})/m,'{\color{mywhite}\1}')
+        #dob.tmp.gsub!(/#{Mx[:nbsp]}/m,'{~}') # dob.tmp.gsub!(/#{Mx[:nbsp]}\s*/m,'{~}')
+        dob.tmp.gsub!(/#{Mx[:vline]}/m,'\vline')
+        dob.tmp.gsub!(/ \\( |#{Mx[:br_nl]})/,' {\textbackslash}\1')
+        dob.tmp.gsub!(/#{Mx[:br_nl]}\s*\Z/m,'')
+        dob.tmp.gsub!(/#{Mx[:br_nl]}{2}/,'\newline \\\\\\ ')
+        dob.tmp.gsub!(/#{Mx[:br_nl]}/,' \\\\\\ ')
+        dob.tmp.gsub!(/\n\n\n/m," \\newline\n\n")
+        ocn=SiSU_TeX_Pdf::Format_text_object.new(@md).ocn_display(dob)
+        dob.tmp = ocn \
+        + @tex_ml.paraskip_small \
+        + '\begin{Codeblock}' \
+        + '\begin{codeblockboitebox} \hardspace \newline ' \
+        + dob.tmp \
+        + '\end{codeblockboitebox}' \
+        + '\end{Codeblock}' \
+        + "\n" \
+        + @tex_ml.paraskip_normal
+        dob
+      end
+      def box_listings(dob,ocn)
+        sp_char=SiSU_TeX_Pdf::Special_characters.new(@md,dob.tmp,dob.is)
+        dob.tmp=sp_char.characters_code_listings
+        dob.tmp.gsub!(/^\s+/m,'') #bug, fix earlier, should be made unecessary
+        dob.tmp.gsub!(/#{Mx[:nbsp]}/m,' ')
+        dob.tmp.gsub!(/#{Mx[:vline]}/m,'|')
+        dob.tmp.gsub!(/#{Mx[:br_nl]}(?:\s?\n)?/m,"\n")
+        dob.tmp.gsub!(/\n\n\n/m," \n\n")
+        ocn=SiSU_TeX_Pdf::Format_text_object.new(@md).ocn_display(dob)
+        dob.tmp = ocn \
+        + @tex_ml.paraskip_small \
+        + '\begin{Codeblock}' \
+        + "\n" \
+        + '\begin{lstlisting} ' \
+        + "\n" \
+        + dob.tmp \
+        + "\n" \
+        + '\end{lstlisting} ' \
+        + "\n" \
+        + '\end{Codeblock}' \
+        + "\n" \
+        + @tex_ml.paraskip_normal
+        dob
+      end
       def markup_common(dob)
         tex_f=nil
         txt_obj={ dal: dob }
@@ -430,7 +482,7 @@ module SiSU_TeX
               + '\\end{footnotesize}' \
               + "\n" \
               + @tex_ml.paraskip_normal
-            elsif  dob.is=~/verse/
+            elsif dob.is=~/verse/
               ocn \
               + @tex_ml.paraskip_tiny \
               + "\n" \
@@ -444,26 +496,13 @@ module SiSU_TeX
             end
             dob
           when /code/
-            sp_char=SiSU_TeX_Pdf::Special_characters.new(@md,dob.tmp,dob.is)
-            dob.tmp=sp_char.special_characters_safe
-            dob.tmp.gsub!(/(#{Mx[:nbsp]})/m,'{\color{mywhite}\1}')
-            #dob.tmp.gsub!(/#{Mx[:nbsp]}/m,'{~}') # dob.tmp.gsub!(/#{Mx[:nbsp]}\s*/m,'{~}')
-            dob.tmp.gsub!(/#{Mx[:vline]}/m,'\vline')
-            dob.tmp.gsub!(/ \\( |#{Mx[:br_nl]})/,' {\textbackslash}\1')
-            dob.tmp.gsub!(/#{Mx[:br_nl]}\s*\Z/m,'')
-            dob.tmp.gsub!(/#{Mx[:br_nl]}{2}/,'\newline \\\\\\ ')
-            dob.tmp.gsub!(/#{Mx[:br_nl]}/,' \\\\\\ ')
-            dob.tmp.gsub!(/\n\n\n/m," \\newline\n\n")
-            ocn=SiSU_TeX_Pdf::Format_text_object.new(@md).ocn_display(dob)
-            dob.tmp = ocn \
-            + @tex_ml.paraskip_small \
-            + '\begin{Codeblock}' \
-            + '\begin{codeblockboitebox} \hardspace \newline ' \
-            + dob.tmp \
-            + '\end{codeblockboitebox}' \
-            + '\end{Codeblock}' \
-            + "\n" \
-            + @tex_ml.paraskip_normal
+            dob=if @codeblock_box == 'listings'
+              box_listings(dob,ocn)
+            elsif @codeblock_box == 'boites'
+              box_boites(dob,ocn)
+            else
+              box_boites(dob,ocn)
+            end
             dob
           else 'error' #should never occur
           end
@@ -533,7 +572,7 @@ module SiSU_TeX
               dob=enclose(dob) unless dob.tmp =~/^$/
             end
           else
-            dob.tmp.strip!
+            dob.tmp.strip! unless dob.is=='code'
             dob=enclose(dob) unless dob.tmp =~/^$/
           end
           if dob.class==String
@@ -543,22 +582,83 @@ module SiSU_TeX
           dob
         end
         if dob.tmp =~/(?:#{Mx[:url_o]}\S+?#{Mx[:url_c]}|image\b)/m \
-        and dob.is !='code'
+        && dob.is !='code'
           dob=SiSU_TeX_Pdf::Bare_urls.new(@md,dob).bare_urls
           tst=SiSU_TeX_Pdf::Format_text_object.new(@md,dob)
           dob=tst.urls_txt_and_images
           dob
         elsif dob.tmp =~/https?:\/\/\S+\b/m \
-        and dob.is =='code'
+        && dob.is =='code' \
+        && @codeblock_box !='listings'
           dob=SiSU_TeX_Pdf::Bare_urls.new(@md,dob).bare_urls_in_code
           dob
         end
-        if dob.class !=Hash and dob.tmp =~/#{Mx[:lnk_o]}.+?#{Mx[:lnk_c]}image\b/ \
-        and dob.is !='code'
+        if dob.class !=Hash \
+        && dob.tmp =~/#{Mx[:lnk_o]}.+?#{Mx[:lnk_c]}image\b/ \
+        && dob.is !='code'
           tst=SiSU_TeX_Pdf::Format_text_object.new(@md,dob)
         end
         dob
       end
+      def tex_box_listings
+        <<WOK
+\\definecolor{listinggray}{gray}{0.9}
+\\definecolor{lbcolor}{rgb}{0.9,0.9,0.9}
+\\lstset{
+	backgroundcolor=\\color{lbcolor},
+	tabsize=4,
+	rulecolor=,
+	language=,
+  basicstyle=\\scriptsize,
+  upquote=true,
+  aboveskip={1.5\\baselineskip},
+  columns=fixed,
+  showstringspaces=false,
+  extendedchars=true,
+  breaklines=true,
+  prebreak = \\raisebox{0ex}[0ex][0ex]{\\ensuremath{\\hookleftarrow}},
+  frame=single,
+  showtabs=false,
+  showspaces=false,
+  showstringspaces=false,
+  identifierstyle=\\ttfamily,
+  keywordstyle=\\color[rgb]{0,0,1},
+  commentstyle=\\color[rgb]{0.133,0.545,0.133},
+  stringstyle=\\color[rgb]{0.627,0.126,0.941},
+}
+WOK
+      end
+      def tex_box_boites
+        <<WOK
+\\def\\codeblockboitebox{%
+  \\def\\bkvz@before@breakbox{\\ifhmode\\par\\fi\\vskip\\breakboxskip\\relax}%
+  \\def\\bkvz@set@linewidth{\\advance\\linewidth -2\\fboxrule
+    \\advance\\linewidth -2\\fboxsep} %
+  \\def\\bk@line{\\hbox to \\linewidth{%
+      \\ifbkcount\\smash{\\llap{\\the\\bk@lcnt\\ }}\\fi
+      \\psframebox*[framesep=0pt,linewidth=0pt]{%
+        \\vrule\\@width\\fboxrule \\hskip\\fboxsep
+        \\box\\bk@bxa
+        \\hskip\\fboxsep \\vrule\\@width\\fboxrule
+        }%
+      }}%
+  %\\def\\bkvz@top{\\hrule\\@height\\fboxrule}
+  \\def\\bkvz@top{\\hrule height .6pt}%
+  \\def\\bkvz@bottom{\\hrule\\@height\\fboxrule}%
+  \\breakbox}
+\\def\\endcodeblockboitebox{\\endbreakbox}
+WOK
+      end
+      def tex_codeblock
+        codeblock_box=if @codeblock_box=='listings'
+          tex_box_listings
+        elsif @codeblock_box=='boites'
+          tex_box_boites
+        else
+          tex_box_boites
+        end
+        codeblock_box
+      end
       def markup(data)
         @tex_file=[]
         md={}
@@ -569,8 +669,8 @@ module SiSU_TeX
           orient_portrait=SiSU_TeX_Pdf::Format_head.new(@md,txt_obj)
           txt_obj={ txt: "#{home}: - #{title}", paper_size: ps, orientation: 'landscape' }
           orient_landscape=SiSU_TeX_Pdf::Format_head.new(@md,txt_obj)
-          @@tex_head[ps][:p]=orient_portrait.document_head_with_orientation
-          @@tex_head[ps][:l]=orient_landscape.document_head_with_orientation
+          @@tex_head[ps][:p]=orient_portrait.document_head_with_orientation(@codeblock_box)
+          @@tex_head[ps][:l]=orient_landscape.document_head_with_orientation(@codeblock_box)
         end
         @tex_file <<<<WOK
 #{@tex_ml.header}#{@tex_ml.footer}
@@ -598,24 +698,7 @@ module SiSU_TeX
 \\newcommand{\\slash}{{/}}
 \\newcommand{\\underscore}{\\_}
 \\newcommand{\\exclaim}{\\Verbatim{!}}
-\\def\\codeblockboitebox{%
-  \\def\\bkvz@before@breakbox{\\ifhmode\\par\\fi\\vskip\\breakboxskip\\relax}%
-  \\def\\bkvz@set@linewidth{\\advance\\linewidth -2\\fboxrule
-    \\advance\\linewidth -2\\fboxsep} %
-  \\def\\bk@line{\\hbox to \\linewidth{%
-      \\ifbkcount\\smash{\\llap{\\the\\bk@lcnt\\ }}\\fi
-      \\psframebox*[framesep=0pt,linewidth=0pt]{%
-        \\vrule\\@width\\fboxrule \\hskip\\fboxsep
-        \\box\\bk@bxa
-        \\hskip\\fboxsep \\vrule\\@width\\fboxrule
-        }%
-      }}%
-  %\\def\\bkvz@top{\\hrule\\@height\\fboxrule}
-  \\def\\bkvz@top{\\hrule height .6pt}%
-  \\def\\bkvz@bottom{\\hrule\\@height\\fboxrule}%
-  \\breakbox}
-\\def\\endcodeblockboitebox{\\endbreakbox}
-
+#{tex_codeblock}
 % (tilde hash amp affected by http)
 % \\sloppy
 \\begin{document}
@@ -789,8 +872,10 @@ WOK
         ps,h,fn=o[:ps],o[:h],o[:filename]
         if h[ps] \
         and (h[ps][:p] and h[ps][:l])
-          h[ps][:p].gsub!(/(?:^[ ]+|[ ]+$)/m,'') if h[ps][:p]
-          h[ps][:l].gsub!(/(?:^[ ]+|[ ]+$)/m,'') if h[ps][:l]
+          h[ps][:p].gsub!(/[ ]+$/m,'') if h[ps][:p]
+          h[ps][:l].gsub!(/[ ]+$/m,'') if h[ps][:l]
+          #h[ps][:p].gsub!(/(?:^[ ]+|[ ]+$)/m,'') if h[ps][:p]
+          #h[ps][:l].gsub!(/(?:^[ ]+|[ ]+$)/m,'') if h[ps][:l]
           h[ps][:p].gsub!(/\n\n\n+/m,"\n\n") if h[ps][:p]
           h[ps][:l].gsub!(/\n\n\n+/m,"\n\n") if h[ps][:l]
           if h[ps][:p] !~/\A\s*\Z/
@@ -800,8 +885,10 @@ WOK
             fn[:landscape].puts h[ps][:l],"\n"
           end
         elsif (h[:p] and h[:l])
-          h[:p].gsub!(/(?:^[ ]+|[ ]+$)/m,'') if h[:p]
-          h[:l].gsub!(/(?:^[ ]+|[ ]+$)/m,'') if h[:l]
+          h[:p].gsub!(/[ ]+$/m,'') if h[:p]
+          h[:l].gsub!(/[ ]+$/m,'') if h[:l]
+          #h[:p].gsub!(/(?:^[ ]+|[ ]+$)/m,'') if h[:p]
+          #h[:l].gsub!(/(?:^[ ]+|[ ]+$)/m,'') if h[:l]
           h[:p].gsub!(/\n\n\n+/m,"\n\n") if h[:p]
           h[:l].gsub!(/\n\n\n+/m,"\n\n") if h[:l]
           if h[:p] !~/\A\s*\Z/
@@ -827,7 +914,7 @@ WOK
           file[:landscape] << @@tex_head[ps][:l]
           array.each do |morph|
             if morph.class==String
-              morph.gsub!(/^\s+/,'')
+              #morph.gsub!(/^\s+/,'')
               if morph !~/\A\s*\Z/
                 file[:portrait].puts morph,"\n"
                 file[:landscape].puts morph,"\n"
@@ -835,9 +922,10 @@ WOK
             elsif morph.class.inspect =~ /SiSU_document_structure/ \
             and morph.tmp \
             and morph.tmp.class==String
-              unless morph.of=='block'
+              if morph.is !='code' \
+              && morph.of !='block'
                 morph.tmp.gsub!(/^\s+/,'')
-              else morph.tmp.gsub!(/^ +/,'')
+              else morph.tmp
               end
               if morph.tmp !~/\A\s*\Z/ \
               or morph.is=='code'
diff --git a/lib/sisu/v3/texpdf_format.rb b/lib/sisu/v3/texpdf_format.rb
index e65f9729..2e69e3e3 100644
--- a/lib/sisu/v3/texpdf_format.rb
+++ b/lib/sisu/v3/texpdf_format.rb
@@ -179,7 +179,7 @@ module SiSU_TeX_Pdf
         textwidth=tw.to_i - 20
         colW=[]
         colW << '{'
-        @dob.widths.each  do |x|
+        @dob.widths.each do |x|
           x=(x.to_i * textwidth)/100 #x=(x.to_i/100.0 * 160)
           col_w=x.to_s # x.gsub(/.+/,'l\|') #unless x.nil?
           colW << "p{#{col_w}mm}" if col_w
@@ -555,7 +555,7 @@ module SiSU_TeX_Pdf
           map_nametags[url][:ocn]
         else nil
         end
-        ocn_lnk=(url=~/^\d+$/ ?  url : ocn_lnk)
+        ocn_lnk=(url=~/^\d+$/ ? url : ocn_lnk)
         if ocn_lnk and not ocn_lnk.empty?
           idx \
           ? (str.sub!(rgx_url_internal,"\\hyperlink{#{ocn_lnk}}{#{link}}"))
@@ -767,6 +767,21 @@ module SiSU_TeX_Pdf
       @tex2pdf=@@tex3pdf ||=SiSU_Env::System_call.new.tex2pdf_engine
       @ps=@txt if @txt=~/(?:a4|letter|legal|book|a5|b5)/i
       @lang ||=SiSU_i18n::Languages.new #.list[@md.opt.lng][:xlp]
+      @author=if defined? @md.creator.author \
+      and @md.creator.author=~/\S+/
+        SiSU_TeX_Pdf::Special_characters.new(@md,@md.creator.author).special_characters_safe
+      else ''
+      end
+      @subject=if defined? @md.classify.subject \
+      and @md.classify.subject=~/\S+/
+        SiSU_TeX_Pdf::Special_characters.new(@md,@md.classify.subject).special_characters_safe
+      else ''
+      end
+      @keywords=if defined? @md.classify.keywords \
+      and @md.classify.keywords=~/\S+/
+        SiSU_TeX_Pdf::Special_characters.new(@md,@md.classify.keywords).special_characters_safe
+      else ''
+      end
     end
     def tex_head_lang #babel 18n
       lang_char_arr=@md.i18n
@@ -841,7 +856,7 @@ WOK
       end
     end
     def tex_head_info
-      generator="Generated by: #{@md.sisu_version[:project]} #{@md.sisu_version[:version]} of #{@md.sisu_version[:date_stamp]} (#{@md.sisu_version[:date]})"  if @md.sisu_version[:version]
+      generator="Generated by: #{@md.sisu_version[:project]} #{@md.sisu_version[:version]} of #{@md.sisu_version[:date_stamp]} (#{@md.sisu_version[:date]})" if @md.sisu_version[:version]
       lastdone="Last Generated on: #{Time.now}"
       rubyv="Ruby version: #{@md.ruby_version}"
       <<WOK
@@ -858,9 +873,9 @@ WOK
       <<WOK
 #{tex_head_info}
 \\documentclass[#{d[:fontsize]},#{d[:papertype]},titlepage]{scrartcl}        %with titlepage
-\\setlength{\\textheight}{#{d[:textheight]}mm}  \\setlength{\\textwidth}{#{d[:textwidth]}mm}
-\\setlength{\\oddsidemargin}{#{d[:oddsidemargin]}}  \\setlength{\\evensidemargin}{#{d[:evensidemargin]}}
-\\setlength{\\topmargin}{#{d[:topmargin]}}  \\setlength{\\headheight}{#{d[:headheight]}}
+\\setlength{\\textheight}{#{d[:textheight]}mm} \\setlength{\\textwidth}{#{d[:textwidth]}mm}
+\\setlength{\\oddsidemargin}{#{d[:oddsidemargin]}} \\setlength{\\evensidemargin}{#{d[:evensidemargin]}}
+\\setlength{\\topmargin}{#{d[:topmargin]}} \\setlength{\\headheight}{#{d[:headheight]}}
 \\setlength{\\headsep}{#{d[:headsep]}}
 \\setlength{\\marginparsep}{#{d[:marginparsep]}}
 \\setlength{\\marginparwidth}{#{d[:marginparwidth]}}
@@ -871,9 +886,9 @@ WOK
       <<WOK
 #{tex_head_info}
 \\documentclass[#{d[:fontsize]},#{d[:papertype]},landscape,titlepage,twocolumn]{scrartcl}        %with titlepage
-\\setlength{\\textheight}{#{d[:textheight]}mm}  \\setlength{\\textwidth}{#{d[:textwidth]}mm}
-\\setlength{\\oddsidemargin}{#{d[:oddsidemargin]}}  \\setlength{\\evensidemargin}{#{d[:evensidemargin]}}
-\\setlength{\\topmargin}{#{d[:topmargin]}}  \\setlength{\\headheight}{#{d[:headheight]}}
+\\setlength{\\textheight}{#{d[:textheight]}mm} \\setlength{\\textwidth}{#{d[:textwidth]}mm}
+\\setlength{\\oddsidemargin}{#{d[:oddsidemargin]}} \\setlength{\\evensidemargin}{#{d[:evensidemargin]}}
+\\setlength{\\topmargin}{#{d[:topmargin]}} \\setlength{\\headheight}{#{d[:headheight]}}
 \\setlength{\\headsep}{#{d[:headsep]}}
 \\setlength{\\columnsep}{#{d[:columnsep]}}
 \\setlength{\\marginparsep}{#{d[:marginparsep]}}
@@ -884,9 +899,9 @@ WOK
       <<WOK
 #{tex_head_info}
 \\documentclass[#{d[:fontsize]},#{d[:papertype]},titlepage]{scrartcl}      %with titlepage
-\\setlength{\\textheight}{#{d[:textheight]}mm}  \\setlength{\\textwidth}{#{d[:textwidth]}mm}
-\\setlength{\\oddsidemargin}{#{d[:oddsidemargin]}}  \\setlength{\\evensidemargin}{#{d[:evensidemargin]}}
-\\setlength{\\topmargin}{#{d[:topmargin]}}  \\setlength{\\headheight}{#{d[:headheight]}}
+\\setlength{\\textheight}{#{d[:textheight]}mm} \\setlength{\\textwidth}{#{d[:textwidth]}mm}
+\\setlength{\\oddsidemargin}{#{d[:oddsidemargin]}} \\setlength{\\evensidemargin}{#{d[:evensidemargin]}}
+\\setlength{\\topmargin}{#{d[:topmargin]}} \\setlength{\\headheight}{#{d[:headheight]}}
 \\setlength{\\headsep}{#{d[:headsep]}}
 \\setlength{\\marginparsep}{#{d[:marginparsep]}}
 \\setlength{\\marginparwidth}{#{d[:marginparwidth]}}
@@ -985,10 +1000,9 @@ WOK
 \\usepackage[#{@tex2pdf},
   #{color.strip}
   pdftitle={#{@txt}},
-%  pdftitle={Untitled},
-  pdfauthor={LM-sisu-scribe},
-  pdfsubject={law},
-  pdfkeywords={law},
+  pdfauthor={#{@author}},
+  pdfsubject={#{@subject}},
+  pdfkeywords={#{@keywords}},
   pageanchor=true,
   plainpages=true,
   pdfpagelabels=true,
@@ -1043,12 +1057,25 @@ WOK
 WOK
       end
     end
+    def tex_head_codeblock(codeblock_box_type)
+      codeblock_box=if codeblock_box_type=='listings'
+        <<WOK
+\\usepackage{listings}
+\\usepackage{color}
+\\usepackage{textcomp}
+WOK
+      elsif codeblock_box_type=='boites'
+        "\\usepackage{boites}"
+      else
+        "\\usepackage{boites}"
+      end
+      codeblock_box
+    end
     def tex_head_misc
       <<WOK
 \\usepackage{textcomp}
 \\usepackage[parfill]{parskip}
 \\usepackage[normalem]{ulem}
-\\usepackage{boites}
 \\usepackage{soul}
 \\usepackage{longtable}
 \\usepackage{graphicx}
@@ -1059,7 +1086,7 @@ WOK
 % amssymb used for backslash
 WOK
     end
-    def document_head_with_orientation
+    def document_head_with_orientation(codeblock_box_type)
       endnotes=("\\usepackage{endnotes}" if @txt =~/endnotes?/)||'' #not implemented see also def endnotes
       @lang.list[@md.i18n[0]][:xlp]
       <<WOK
@@ -1067,6 +1094,7 @@ WOK
 #{tex_head_encode}
 #{tex_head_pdftex_dvi}
 #{tex_head_misc}
+#{tex_head_codeblock(codeblock_box_type)}
 \\setcounter{secnumdepth}{2}
 \\setcounter{tocdepth}{4}
 \\makeatletter
@@ -1149,6 +1177,52 @@ WOK
       @brace_url=SiSU_Viz::Skin.new.url_decoration
       @tex2pdf=@@tex3pdf ||=SiSU_Env::System_call.new.tex2pdf_engine
     end
+    def xetex_code_listings(str,is='')                                  # ~ ^ $ & % _ { }  #LaTeX special characters - KEEP list
+      word=str.scan(/\S+|\n/) #unless line =~/^(?:@\S|%+\s)/
+      para_array=[]
+      str=if word
+        word.each do |w| # _ - / # | : ! ^ ~
+          w.gsub!(/#{Mx[:gl_o]}#lt#{Mx[:gl_c]}/,'<'); w.gsub!(/#{Mx[:gl_o]}#gt#{Mx[:gl_c]}/,'>')
+          w.gsub!(/[\\]?~/,'~')
+          w.gsub!(/[#{Mx[:br_line]}#{Mx[:br_paragraph]}]/,"\n") #watch
+          w.gsub!(/#{Mx[:gl_o]}#(?:126|152)#{Mx[:gl_c]}/,'~') #126 usual
+          w.gsub!(/\\?\||#{Mx[:gl_o]}#124#{Mx[:gl_c]}/,'|') #unless is=='code' #unless w=~/<~\d+;(?:[ohmu]|[0-6]:)\d+;\w\d+>/ # | SiSU not really special sisu character but done, also LaTeX
+          para_array << w
+        end
+        str=para_array.join(' ')
+        str=str.strip unless is=='code'
+        str
+      else ''
+      end
+      str.gsub(/\s*#{Mx[:mk_o]}:name#\S+?#{Mx[:mk_c]}\s*/,' ')
+      str.gsub!(/.+?<-#>/,'')
+      str.gsub!(/#{Mx[:br_eof]}/,'')
+      str.gsub!(/#{Mx[:br_endnotes]}/,'')
+      #problem sequence ->
+      str.gsub!(/&(?:lt|#060);/,'<')                                         # < SiSU special character also LaTeX
+      str.gsub!(/#{Mx[:gl_o]}#(?:gt|062)#{Mx[:gl_c]}/,'>')                   # > SiSU special character also LaTeX
+      str.gsub!(/#{Mx[:gl_o]}#123#{Mx[:gl_c]}/,'{')                   # { SiSU special character also LaTeX
+      str.gsub!(/#{Mx[:gl_o]}#125#{Mx[:gl_c]}/,'}')                  # } SiSU special character also LaTeX
+      str.gsub!(/#{Mx[:gl_o]}#(?:126|152)#{Mx[:gl_c]}/,'~')             # ~ SiSU special character also LaTeX
+      str.gsub!(/#{Mx[:gl_o]}#035#{Mx[:gl_c]}/,'#')                           # # SiSU special character also LaTeX
+      str.gsub!(/#{Mx[:gl_o]}#033#{Mx[:gl_c]}/,'!')                            # ! SiSU not really special sisu character but done, also LaTeX
+      #str.gsub!(/(^|\s)\*\s/,'\1\asterisk ')                                   # * should you wish to escape astrisk e.g. describing \*{bold}*
+      str.gsub!(/#{Mx[:gl_o]}#042#{Mx[:gl_c]}/,'*')                           # * should you wish to escape astrisk e.g. describing \*{bold}*
+      str.gsub!(/#{Mx[:gl_o]}#045#{Mx[:gl_c]}/,'-')                            # - SiSU special character also LaTeX
+      str.gsub!(/#{Mx[:gl_o]}#043#{Mx[:gl_c]}/,'+')                            # + SiSU special character also LaTeX
+      str.gsub!(/#{Mx[:gl_o]}#044#{Mx[:gl_c]}/,',')                            # + SiSU special character also LaTeX
+      str.gsub!(/#{Mx[:gl_o]}#038#{Mx[:gl_c]}/,'&') #unless @txt=~/<:code>/  # / SiSU special character also LaTeX
+      str.gsub!(/#{Mx[:gl_o]}#047#{Mx[:gl_c]}/,'/')                       # / SiSU special character also LaTeX
+      str.gsub!(/#{Mx[:gl_o]}#092#{Mx[:gl_c]}/,'\\')               # \ SiSU special character also LaTeX
+      str.gsub!(/#{Mx[:gl_o]}#095#{Mx[:gl_c]}/,'_')                # _ SiSU special character also LaTeX
+      str.gsub!(/#{Mx[:gl_o]}#124#{Mx[:gl_c]}/,'|')                            # | SiSU not really special sisu character but done, also LaTeX
+      str.gsub!(/#{Mx[:gl_o]}#058#{Mx[:gl_c]}/,':')                            # : SiSU not really special sisu character but done, also LaTeX
+      str.gsub!(/#{Mx[:gl_o]}#094#{Mx[:gl_c]}|\^/,'^')                    # ^ SiSU not really special sisu character but done, also LaTeX
+      ##watch placement, problem sequence ^
+      str.gsub!(/<sup><font face=symbol>&atild;<\/font><\/sup>/,' ')
+      str.gsub!(/\\copy(right|mark)?/,'<=copymark>') # ok problem with superscript
+      str
+    end
     def xetex_special_characters_1(str,is='')                                  # ~ ^ $ & % _ { }  #LaTeX special characters - KEEP list
       #str=Iconv.conv('ISO-8859-1', 'UTF-8', @txt) # `require': iconv will be deprecated in the future, use String#encode instead.
       word=str.scan(/\S+|\n/) #unless line =~/^(?:@\S|%+\s)/
@@ -1326,6 +1400,11 @@ WOK
       str=xetex_special_characters_2(str,is) unless str.nil? # remove this to start with, causes issues
       @txt=str
     end
+    def characters_code_listings                                   #special characters - some substitutions are sequence sensitive, rearrange with care.
+      str,is=@txt,@is
+      str=xetex_code_listings(str,is) unless str.nil?
+      @txt=str
+    end
     def special_characters_code
       str=@txt
       str.gsub!(/ \\\\([ #{Mx[:br_nl]}]+|$)/,' \textbackslash\textbackslash\hardspace\1')
@@ -1369,7 +1448,7 @@ WOK
     end
     def header
       "\\lhead[ ]{ }\n" +
-      "\\chead[ \\fancyplain{} \\bfseries \\footnotesize  \\leftmark ]{ \\fancyplain{} \\bfseries \\footnotesize \\rightmark }\n" +
+      "\\chead[ \\fancyplain{} \\bfseries \\footnotesize \\leftmark ]{ \\fancyplain{} \\bfseries \\footnotesize \\rightmark }\n" +
       "\\rhead[ ]{ }\n"
     end
     def footer
@@ -1500,13 +1579,13 @@ WOK
 \"Support Open Standards and Software Libré for the Information Technology Infrastructure\" RA\\subsubsection*{Information on this document copy #{site}}
 \\addcontentsline{toc}{subsection}{Information on this document copy}
 {\\begin{footnotesize}
-\\\\ Generated by \\href{http://www.jus.uio.no/sisu/}{SiSU} found at \\href{http://www.jus.uio.no/sisu/}{www.jus.uio.no/sisu} \\begin{tiny}[ #{v[:project]} #{v[:version]} #{v[:date_stamp]} ]\\end{tiny}  \\href{http://www.sisudoc.org}{www.sisudoc.org}. SiSU is software for document structuring, publishing and search (using SiSU: object citation numbering, markup, meta-markup, and system) Copyright #{@copymark} 1997, current #{@date.year_static} Ralph Amissah, All Rights Reserved.
+\\\\ Generated by \\href{http://www.jus.uio.no/sisu/}{SiSU} found at \\href{http://www.jus.uio.no/sisu/}{www.jus.uio.no/sisu} \\begin{tiny}[ #{v[:project]} #{v[:version]} #{v[:date_stamp]} ]\\end{tiny} \\href{http://www.sisudoc.org}{www.sisudoc.org}. SiSU is software for document structuring, publishing and search (using SiSU: object citation numbering, markup, meta-markup, and system) Copyright #{@copymark} 1997, current #{@date.year_static} Ralph Amissah, All Rights Reserved.
 \\\\ SiSU is released under \\href{http://www.fsf.org/licenses/gpl.html}{GPL 3 } or later (\\href{http://www.fsf.org/licenses/gpl.html}{www.fsf.org/licenses/gpl.html}). {\\end{footnotesize}
 {\\begin{small}
-\\\\ W3 since October 3 1993 \\href{http://www.jus.uio.no/sisu/}{#{sisu_ico}}SiSU 1997, current #{@date.year_static}. \\\\ #{sitename} presentations at \\begin{scriptsize}#{site}\\end{scriptsize} \\\\ \\\\ #{@md.title.full} \\textbf{pdf} versions can be found at:  \\\\
+\\\\ W3 since October 3 1993 \\href{http://www.jus.uio.no/sisu/}{#{sisu_ico}}SiSU 1997, current #{@date.year_static}. \\\\ #{sitename} presentations at \\begin{scriptsize}#{site}\\end{scriptsize} \\\\ \\\\ #{@md.title.full} \\textbf{pdf} versions can be found at: \\\\
 {\\end{small}
-\\\\ #{@brace_url.tex_open}\\begin{scriptsize}\\url{#{@vz.url_root_http}/#{url}/#{@md.fn[:pdf_p]}}\\end{scriptsize}#{@brace_url.tex_close}  \\\\
-#{@brace_url.tex_open}\\begin{scriptsize}\\url{#{@vz.url_root_http}/#{url}/#{@md.fn[:pdf_l]}}\\end{scriptsize}#{@brace_url.tex_close}  \\\\
+\\\\ #{@brace_url.tex_open}\\begin{scriptsize}\\url{#{@vz.url_root_http}/#{url}/#{@md.fn[:pdf_p]}}\\end{scriptsize}#{@brace_url.tex_close} \\\\
+#{@brace_url.tex_open}\\begin{scriptsize}\\url{#{@vz.url_root_http}/#{url}/#{@md.fn[:pdf_l]}}\\end{scriptsize}#{@brace_url.tex_close} \\\\
 \\\\\n#{@md.title.full} \\textbf{html} versions may be found at: \\\\
 #{@brace_url.tex_open}\\begin{scriptsize}\\url{#{@vz.url_root_http}/#{url}/#{@md.fn[:toc]}}\\end{scriptsize}#{@brace_url.tex_close} or \\\\
 #{@brace_url.tex_open}\\begin{scriptsize}\\url{#{@vz.url_root_http}/#{url}/#{@md.fn[:doc]}}\\end{scriptsize}#{@brace_url.tex_close}