v3: ruby 1.9 hash symbol syntax adopted

41 files changed, 454 insertions, 455 deletions

diff --git a/lib/sisu/v3/author_format.rb b/lib/sisu/v3/author_format.rb
index 5406913f..847ea888 100644
--- a/lib/sisu/v3/author_format.rb
+++ b/lib/sisu/v3/author_format.rb
@@ -67,17 +67,17 @@ module FORMAT
       authors.each do |a|
         a.strip!
         if a =~/"(.+?)"/
-          @authors << { :the => $1 }
+          @authors << { the: $1 }
           @author_array << $1.upcase
         else #if a =~/,/
           x=a.scan(/[^,]+/)
           x[0].strip!
           x[1].strip! if x[1]
           if x.length==1
-            @authors << { :the => x[0] }
+            @authors << { the: x[0] }
             @author_array << x[0].upcase
           elsif x.length==2
-            @authors << { :the=> x[0], :others => x[1] }
+            @authors << { the: x[0], others: x[1] }
             @author_array << "#{x[0].upcase}, #{x[1]}"
           else #p x.length
           end
@@ -101,11 +101,11 @@ module FORMAT
         end
       end
       {
-        :last_first_a => authors,
-        :last_first_format_a => @author_array,
-        :authors_h => @authors,
-        :authors_s => authors_string,
-        :authors_param => @author_param
+        last_first_a: authors,
+        last_first_format_a: @author_array,
+        authors_h: @authors,
+        authors_s: authors_string,
+        authors_param: @author_param
       }
     end
   end
diff --git a/lib/sisu/v3/cgi_pgsql.rb b/lib/sisu/v3/cgi_pgsql.rb
index 9e8cff4a..ed36553c 100644
--- a/lib/sisu/v3/cgi_pgsql.rb
+++ b/lib/sisu/v3/cgi_pgsql.rb
@@ -145,7 +145,7 @@ module  SiSU_CGI_pgsql
           @l,@t,@q,@c=l,t,q,cse
         end
         def string
-          search={ :search => [],:flag => false }
+          search={ search: [], flag: false }
           if @t =~/\S+/ or @q =~/\S+/
             if @t =~/\S+/;     unescaped_search=CGI.unescape(@t)
             elsif @q =~/\S+/;  unescaped_search=CGI.unescape(@q)
diff --git a/lib/sisu/v3/cgi_sqlite.rb b/lib/sisu/v3/cgi_sqlite.rb
index fd33b52a..0f0e5bb4 100644
--- a/lib/sisu/v3/cgi_sqlite.rb
+++ b/lib/sisu/v3/cgi_sqlite.rb
@@ -141,7 +141,7 @@ module  SiSU_CGI_sqlite
           @l,@t,@q=l,t,q
         end
         def string
-          search={ :search => [],:flag => false }
+          search={ search: [], flag: false }
           if @t =~/\S+/ or @q =~/\S+/
             if @t =~/\S+/;     unescaped_search=CGI.unescape(@t)
             elsif @q =~/\S+/;  unescaped_search=CGI.unescape(@q)
diff --git a/lib/sisu/v3/composite.rb b/lib/sisu/v3/composite.rb
index 664bfeb9..1f4d07a1 100644
--- a/lib/sisu/v3/composite.rb
+++ b/lib/sisu/v3/composite.rb
@@ -151,7 +151,7 @@ module SiSU_Assemble
       end
     end
     def insertion(fni,insert_array)
-      file={ :prepared=>[],:images=>[] }
+      file={ prepared: [], images: [] }
       rgx_image=/(?:^|[^_\\])\{\s*(\S+?\.(?:png|jpg|gif))/
       file[:prepared] << "\n% |#{fni}|@|^|>>ok\n"
       @code_flag=false
diff --git a/lib/sisu/v3/constants.rb b/lib/sisu/v3/constants.rb
index 78441e0a..d94da654 100644
--- a/lib/sisu/v3/constants.rb
+++ b/lib/sisu/v3/constants.rb
@@ -57,7 +57,7 @@
  ** Description: system environment, resource control and configuration details
 
 =end
-Sfx={:txt=>'.txt',:html=>'.html',:xhtml=>'.xhtml',:xml=>'.xml',:epub=>'.epub',:epub_xhtml=>'.xhtml',:odt=>'.odt',:pdf=>'.pdf'}
+Sfx={ txt: '.txt', html: '.html', xhtml: '.xhtml', xml: '.xml', epub: '.epub', epub_xhtml: '.xhtml', odt: '.odt', pdf: '.pdf'}
 Ax,Xx,Mx,Rx,Hx,Dx,Px,Db,Gt,Tex=Array.new(10){{}}
 Ax[:tab]="\t"
 Xx[:protect]='☞'
@@ -96,9 +96,9 @@ Mx[:nbsp]=            '░' #'▭ '
 Mx[:br_line]=         '╱' #lB ▌  9612 ┘ ¶
 Mx[:br_nl]=           '╲' #lB ▌ 』  ┘
 Mx[:br_paragraph]=    '█' #FB █  9608 # PP ∥  8741 #▐  #'┘' #'¶' #FB █  9608  lB ▌  9612   RB ▐  9616
-Mx[:br_obj]=          'break_obj';                       Hx[:br_obj]=         {:obj=>Mx[:br_obj]}   # line sep
-Mx[:br_page]=         'break_page';                      Hx[:br_page]=        {:obj=>Mx[:br_page]}      # newpage
-Mx[:br_page_new]=     'break_page_new';                  Hx[:br_page_new]=    {:obj=>Mx[:br_page_new]}  # clearpage
+Mx[:br_obj]=          'break_obj';                       Hx[:br_obj]=         { obj: Mx[:br_obj] }   # line sep
+Mx[:br_page]=         'break_page';                      Hx[:br_page]=        { obj: Mx[:br_page] }      # newpage
+Mx[:br_page_new]=     'break_page_new';                  Hx[:br_page_new]=    { obj: Mx[:br_page_new] }  # clearpage
 Mx[:br_endnotes]=     "#{Mx[:mk_o]}ENDNOTES#{Mx[:mk_c]}"
 Mx[:br_eof]=          "#{Mx[:mk_o]}EOF#{Mx[:mk_c]}"
 Mx[:lnk_o]='⌠'; Mx[:lnk_c]='⌡' #'⌈' '⌋' '⌠' '⌡' #Mx[:lnk_o]='◁'; Mx[:lnk_c]='▷' #‹ ›
diff --git a/lib/sisu/v3/dal.rb b/lib/sisu/v3/dal.rb
index 0c9ff607..08557f2f 100644
--- a/lib/sisu/v3/dal.rb
+++ b/lib/sisu/v3/dal.rb
@@ -87,8 +87,8 @@ module SiSU_DAL
   end
   class Source <Instantiate
     @@dal_array=[]
-    @@idx_arr={:sst=>[],:tex=>[],:html=>[],:xhtml=>[]}
-    @@map_arr={:nametags=>[],:ocn_htmlseg=>[]}
+    @@idx_arr={ sst: [], tex: [], html: [], xhtml: [] }
+    @@map_arr={ nametags: [], ocn_htmlseg: [] }
     @@fns=nil
     def initialize(opt,fnx=nil)
       @opt,@fnx=opt,fnx
diff --git a/lib/sisu/v3/dal_doc_str.rb b/lib/sisu/v3/dal_doc_str.rb
index 8ed8bbda..365973eb 100644
--- a/lib/sisu/v3/dal_doc_str.rb
+++ b/lib/sisu/v3/dal_doc_str.rb
@@ -144,7 +144,7 @@ module SiSU_document_structure_extract
             t_o=nil
           when /^%+\s/                                     #comment
             t_o=if t_o=~/^%+\s+(.+)/
-              h={:obj=>$1}
+              h={obj: $1}
               SiSU_document_structure::Object_comment.new.comment(h)
             else nil
             end
@@ -155,19 +155,19 @@ module SiSU_document_structure_extract
               obj=$1
               note=endnote_test?(obj)
               obj,tags=extract_tags(obj)
-              h={:lv=>lv,:ln=>ln,:obj=>obj,:idx=>idx,:tags=>tags}
+              h={ lv: lv, ln: ln, obj: obj, idx: idx, tags: tags }
               SiSU_document_structure::Object_heading.new.heading(h)
             elsif t_o=~/^:?[A-C1-6]\~(\S+?)-\s+(.+)/m
               name,obj=$1,$2
               note=endnote_test?(obj)
               obj,tags=extract_tags(obj)
-              h={:lv=>lv,:name=>name,:obj=>obj,:idx=>idx,:autonum_=>false,:tags=>tags}
+              h={ lv: lv, name: name, obj: obj, idx: idx, autonum_: false, tags: tags}
               SiSU_document_structure::Object_heading.new.heading(h)
             elsif t_o=~/^:?[A-C1-6]\~(\S+)\s+(.+)/m
               name,obj=$1,$2
               note=endnote_test?(obj)
               obj,tags=extract_tags(obj,name)
-              h={:lv=>lv,:name=>name,:obj=>obj,:idx=>idx,:tags=>tags}
+              h={ lv: lv, name: name, obj: obj, idx: idx, tags: tags }
               SiSU_document_structure::Object_heading.new.heading(h)
             else nil
             end
@@ -179,7 +179,7 @@ module SiSU_document_structure_extract
               image=image_test(obj)
               note=endnote_test?(obj)
               obj,tags=extract_tags(obj)
-              h={:bullet_=>bullet,:indent=>indent,:obj=>obj,:idx=>idx,:note_=>note,:image_=>image,:tags=>tags}
+              h={ bullet_: bullet, indent: indent, obj: obj, idx: idx, note_: note, image_: image, tags: tags }
               SiSU_document_structure::Object_para.new.paragraph(h)
             else nil
             end
@@ -193,7 +193,7 @@ module SiSU_document_structure_extract
             image=image_test(t_o)
             note=endnote_test?(t_o)
             obj,tags=extract_tags(t_o)
-            h={:bullet_=>false,:indent=>0,:obj=>obj,:idx=>idx,:note_=>note,:image_=>image,:tags=>tags}
+            h={ bullet_: false, indent: 0, obj: obj, idx: idx, note_: note, image_: image, tags: tags }
             SiSU_document_structure::Object_para.new.paragraph(h)
           end
         elsif not @@flag['code']
@@ -201,30 +201,30 @@ module SiSU_document_structure_extract
             @@flag['code']=true
             @@counter=1
             @codeblock_numbered=(t_o =~/^code\{#/) ? true : false
-            h={:obj=>'code block start'}                   #introduce a counter
+            h={ obj: 'code block start' }                   #introduce a counter
             t_o=SiSU_document_structure::Object_comment.new.comment(h) #t_o=SiSU_document_structure::Object_layout.new.insert(h)
           elsif t_o =~/^poem\{/
             @@flag['poem']=true
-            h={:obj=>'poem start'}                         #introduce a counter
+            h={ obj: 'poem start' }                         #introduce a counter
             t_o=SiSU_document_structure::Object_comment.new.comment(h) #t_o=SiSU_document_structure::Object_layout.new.insert(h)
             tuned_file << t_o
           elsif t_o =~/^group\{/
             @@flag['group']=true
-            h={:obj=>'group text start'}                   #introduce a counter
+            h={ obj: 'group text start' }                   #introduce a counter
             t_o=SiSU_document_structure::Object_comment.new.comment(h) #t_o=SiSU_document_structure::Object_layout.new.insert(h)
             tuned_file << t_o
           elsif t_o =~/^block\{/
             @@flag['block']=true
-            h={:obj=>'block text start'}                   #introduce a counter
+            h={ obj: 'block text start' }                   #introduce a counter
             t_o=SiSU_document_structure::Object_comment.new.comment(h) #t_o=SiSU_document_structure::Object_layout.new.insert(h)
             tuned_file << t_o
           elsif t_o =~/^alt\{/
             @@flag['alt']=true
-            h={:obj=>'alt text start'}                     #introduce a counter
+            h={ obj: 'alt text start' }                     #introduce a counter
             t_o=SiSU_document_structure::Object_comment.new.comment(h) #t_o=SiSU_document_structure::Object_layout.new.insert(h)
             tuned_file << t_o
           elsif t_o =~/^(?:table\{|\{table)[ ~]/
-            h={:obj=>'table start'}                        #introduce a counter
+            h={ obj: 'table start' }                        #introduce a counter
             ins=SiSU_document_structure::Object_comment.new.comment(h) #ins=SiSU_document_structure::Object_layout.new.insert(h)
             tuned_file << ins
             if t_o=~/^table\{(?:~h)?\s+/
@@ -240,7 +240,7 @@ module SiSU_document_structure_extract
                 col=$2.scan(/\d+/)
                 heading=false
               end
-              @h={:head_=>heading,:cols=>cols,:widths=>col,:idx=>idx}
+              @h={ head_: heading, cols: cols, widths: col, idx: idx }
             elsif t_o=~/^\{table(?:~h)?(?:\s+\d+;?)?\}\n.+\Z/m
               m1,m2,hd=nil,nil,nil
               tbl=/^\{table(?:~h)?(?:\s+\d+;?)?\}\n(.+)\Z/m.match(t_o)[1]            #two table representations should be consolidated as one
@@ -264,10 +264,10 @@ module SiSU_document_structure_extract
                 width=100.00/cols
                 cols.times { col << width }
               end
-              h={:head_=>hd,:cols=>cols,:widths=>col,:obj=>rows,:idx=>idx,:tags=>tags}
+              h={ head_: hd, cols: cols, widths: col, obj: rows, idx: idx, tags: tags }
               t_o=SiSU_document_structure::Object_table.new.table(h) unless h.nil?
               tuned_file << t_o
-              h={:obj=>'table end'}                        #introduce a counter
+              h={ obj: 'table end' }                        #introduce a counter
               t_o=SiSU_document_structure::Object_comment.new.comment(h)
               t_o
             elsif t_o=~/^\{table(?:~h)?\s+/
@@ -287,10 +287,10 @@ module SiSU_document_structure_extract
                 r.gsub!(/\s*\|\s*/m,"#{Mx[:tc_p]}")        #r.gsub!(/\|/m,"#{Mx[:tc_p]}")
                 rows += r + Mx[:tc_c]
               end
-              h={:head_=>hd,:cols=>col.length,:widths=>col,:obj=>rows,:idx=>idx,:tags=>tags}
+              h={ head_: hd, cols: col.length, widths: col, obj: rows, idx: idx, tags: tags }
               t_o=SiSU_document_structure::Object_table.new.table(h) unless h.nil?
               tuned_file << t_o
-              h={:obj=>'table end'}                        #introduce a counter
+              h={ obj: 'table end' }                        #introduce a counter
               t_o=SiSU_document_structure::Object_comment.new.comment(h)
               t_o
             end
@@ -302,12 +302,12 @@ module SiSU_document_structure_extract
           and t_o =~/^\}table/                             #two table representations should be consolidated as one
             @@flag['table']=false
             headings,columns,widths,idx=@h[:head_],@h[:cols],@h[:widths],@h[:idx]
-            @h={:head_=>headings,:cols=>columns,:widths=>widths,:idx=>idx,:obj=>@rows}
+            @h={ head_: headings, cols: columns, widths: widths, idx: idx, obj: @rows }
             t_o=SiSU_document_structure::Object_table.new.table(@h)
             tuned_file << t_o
             @h,@rows=nil,''
             t_o
-            h={:obj=>'table end'}                          #introduce a counter
+            h={ obj: 'table end' }                          #introduce a counter
             t_o=SiSU_document_structure::Object_comment.new.comment(h) #t_o=SiSU_document_structure::Object_layout.new.insert(h)
             t_o
           else
@@ -322,11 +322,11 @@ module SiSU_document_structure_extract
           if t_o =~/^\}code/
             @@flag['code']=false
             obj,tags=extract_tags(@tuned_code.join("\n"))
-            h={:obj=>obj,:tags=>tags,:number_=>@codeblock_numbered}
+            h={ obj: obj, tags: tags, number_: @codeblock_numbered }
             t_o=SiSU_document_structure::Object_block_txt.new.code(h)
             @tuned_code=[]
             tuned_file << t_o
-            h={:obj=>'code block end'}                     #introduce a counter
+            h={ obj: 'code block end' }                     #introduce a counter
             t_o=SiSU_document_structure::Object_comment.new.comment(h) #t_o=SiSU_document_structure::Object_layout.new.insert(h)
           end
           if @@flag['code'] \
@@ -347,37 +347,37 @@ module SiSU_document_structure_extract
           if @@flag['poem'] \
           and t_o =~/^\}poem/
             @@flag['poem']=false
-            h={:obj=>'poem end'}                           #introduce a counter
+            h={ obj: 'poem end' }                           #introduce a counter
             t_o=SiSU_document_structure::Object_comment.new.comment(h) #t_o=SiSU_document_structure::Object_layout.new.insert(h)
           elsif ( @@flag['group'] \
           and t_o =~/^\}group/ )
             @@flag['group']=false
             obj,tags=extract_tags(@tuned_block.join("\n"))
-            h={:obj=>obj,:tags=>tags}
+            h={ obj: obj, tags: tags }
             @tuned_block=[]
             t_o=SiSU_document_structure::Object_block_txt.new.group(h)
             tuned_file << t_o
-            h={:obj=>'group text end'}                     #introduce a counter
+            h={ obj: 'group text end' }                     #introduce a counter
             t_o=SiSU_document_structure::Object_comment.new.comment(h) #t_o=SiSU_document_structure::Object_layout.new.insert(h)
           elsif ( @@flag['block'] \
           and t_o =~/^\}block/ )
             @@flag['block']=false
             obj,tags=extract_tags(@tuned_block.join("\n"))
-            h={:obj=>obj,:tags=>tags}
+            h={ obj: obj, tags: tags }
             @tuned_block=[]
             t_o=SiSU_document_structure::Object_block_txt.new.block(h)
             tuned_file << t_o
-            h={:obj=>'block text end'}                     #introduce a counter
+            h={ obj: 'block text end' }                     #introduce a counter
             t_o=SiSU_document_structure::Object_comment.new.comment(h) #t_o=SiSU_document_structure::Object_layout.new.insert(h)
           elsif ( @@flag['alt'] \
           and t_o =~/^\}alt/ )
             @@flag['alt']=false
             obj,tags=extract_tags(@tuned_block.join("\n"))
-            h={:obj=>obj,:tags=>tags}
+            h={ obj: obj, tags: tags }
             t_o=SiSU_document_structure::Object_block_txt.new.alt(h)
             @tuned_block=[]
             tuned_file << t_o
-            h={:obj=>'alt text end'}                       #introduce a counter
+            h={ obj: 'alt text end' }                       #introduce a counter
             t_o=SiSU_document_structure::Object_comment.new.comment(h) #t_o=SiSU_document_structure::Object_layout.new.insert(h)
           end
           if @@flag['poem'] \
@@ -393,7 +393,7 @@ module SiSU_document_structure_extract
             poem.each do |v|
               v.gsub!(/\n/m,"#{Mx[:br_nl]}\n")
               obj,tags=extract_tags(v)
-              h={:obj=>obj,:tags=>tags}
+              h={ obj: obj, tags: tags }
               t_o=SiSU_document_structure::Object_block_txt.new.verse(h)
               tuned_file << t_o
             end
@@ -427,32 +427,32 @@ module SiSU_document_structure_extract
       end
       if @md.flag_endnotes
         tuned_file << @pb
-        h={:ln=>2,:obj=>'Endnotes',:autonum_=>false}
+        h={ ln: 2, obj: 'Endnotes', autonum_: false }
         tuned_file << SiSU_document_structure::Object_heading.new.heading_insert(h)
-        h={:ln=>4,:obj=>'Endnotes',:name=>'endnotes',:autonum_=>false}
+        h={ ln: 4, obj: 'Endnotes', name: 'endnotes', autonum_: false }
         tuned_file << SiSU_document_structure::Object_heading.new.heading_insert(h)
-        h={:obj=>'Endnotes'}
+        h={ obj: 'Endnotes' }
       end
       if @md.book_idx
         tuned_file << @pb
-        h={:ln=>2,:obj=>'Index',:autonum_=>false}
+        h={ ln: 2, obj: 'Index', autonum_: false }
         tuned_file << SiSU_document_structure::Object_heading.new.heading_insert(h)
-        h={:ln=>4,:obj=>'Index',:name=>'book_index',:autonum_=>false}
+        h={ ln: 4, obj: 'Index', name: 'book_index', autonum_: false }
         tuned_file << SiSU_document_structure::Object_heading.new.heading_insert(h)
-        h={:obj=>'Index'}
+        h={ obj: 'Index' }
       end
       tuned_file << @pb
-      h={:ln=>2,:obj=>'Metadata',:autonum_=>false,:ocn_=>false}
+      h={ ln: 2, obj: 'Metadata', autonum_: false, ocn_: false }
       tuned_file << SiSU_document_structure::Object_heading.new.heading_insert(h)
-      h={:ln=>4,:obj=>'SiSU Metadata, document information',:name=>'metadata',:autonum_=>false,:ocn_=>false}
+      h={ ln: 4, obj: 'SiSU Metadata, document information', name: 'metadata', autonum_: false, ocn_: false }
       tuned_file << SiSU_document_structure::Object_heading.new.heading_insert(h)
       tuned_file << @pb
-      h={:ln=>2,:obj=>'Manifest',:autonum_=>false,:ocn_=>false}
+      h={ ln: 2, obj: 'Manifest', autonum_: false, ocn_: false }
       tuned_file << SiSU_document_structure::Object_heading.new.heading_insert(h)
-      h={:ln=>4,:obj=>'SiSU Manifest, alternative outputs etc.',:name=>'sisu_manifest',:autonum_=>false,:ocn_=>false}
+      h={ ln: 4, obj: 'SiSU Manifest, alternative outputs etc.', name: 'sisu_manifest', autonum_: false, ocn_: false }
       tuned_file << SiSU_document_structure::Object_heading.new.heading_insert(h)
       tuned_file
-      h={:obj=>'eof'}
+      h={ obj: 'eof' }
       meta=SiSU_document_structure::Object_metadata.new.metadata(@metadata)
       [tuned_file,meta]
     end
@@ -465,11 +465,11 @@ module SiSU_document_structure_extract
       table
     end
     def meta_heading(h)
-      h={:lv=>h[:lv],:ln=>h[:ln],:name=>h[:name],:obj=>h[:obj],:ocn=>'0'}
+      h={ lv: h[:lv], ln: h[:ln], name: h[:name], obj: h[:obj], ocn: '0' }
       SiSU_document_structure::Object_heading.new.heading(h)
     end
     def meta_para(str)
-      h={:obj=>str,:ocn_=>false}
+      h={ obj: str, ocn_: false }
       SiSU_document_structure::Object_para.new.paragraph(h)
     end
     def metadata
@@ -480,9 +480,9 @@ module SiSU_document_structure_extract
       language=l[:l]
       tr=SiSU_Translate::Source.new(@md,language)
       meta << @pb
-      h={:ln=>2,:obj=>'Metadata',:ocn_=>false}
+      h={ ln: 2, obj: 'Metadata', ocn_: false }
       meta << SiSU_document_structure::Object_heading.new.heading(h)
-      h={:ln=>4,:name=>'metadata',:obj=>'Metadata',:autonum_=>false,:ocn_=>false}
+      h={ ln: 4, name: 'metadata', obj: 'Metadata', autonum_: false, ocn_: false }
       meta << SiSU_document_structure::Object_heading.new.heading(h) #add ocnm
       s="Document Manifest @\n #{base_html}/#{@md.fn[:manifest]}"
       meta << meta_para(s)
@@ -723,22 +723,22 @@ module SiSU_document_structure_extract
       and not @dob.bullet_
         @dob=case @dob.obj
         when /^#{@md.lv1}/
-          h={:lv=>'A',:ln=>1}
+          h={ lv: 'A', ln: 1 }
           SiSU_document_structure::Object_heading.new.heading(h,@dob)
         when /^#{@md.lv2}/
-          h={:lv=>'B',:ln=>2}
+          h={ lv: 'B', ln: 2 }
           SiSU_document_structure::Object_heading.new.heading(h,@dob)
         when /^#{@md.lv3}/
-          h={:lv=>'C',:ln=>3}
+          h={ lv: 'C', ln: 3 }
           SiSU_document_structure::Object_heading.new.heading(h,@dob)
         when /^#{@md.lv4}/
-          h={:lv=>'1',:ln=>4}
+          h={ lv: '1', ln: 4 }
           SiSU_document_structure::Object_heading.new.heading(h,@dob)
         when /^#{@md.lv5}/
-          h={:lv=>'2',:ln=>5}
+          h={ lv: '2', ln: 5 }
           SiSU_document_structure::Object_heading.new.heading(h,@dob)
         when /^#{@md.lv6}/
-          h={:lv=>'3',:ln=>6}
+          h={ lv: '3', ln: 6 }
           SiSU_document_structure::Object_heading.new.heading(h,@dob)
         else @dob
         end
@@ -896,19 +896,19 @@ module SiSU_document_structure_extract
         elsif dob.obj=~/#{Mx[:pa_non_object_no_heading]}/
           dob.obj.gsub!(/#{Mx[:pa_non_object_no_heading]}/,'')
           if dob.is=='para'
-            h={:obj=>dob.obj,:ocn_=>false,:ocn=>nil}
+            h={ obj: dob.obj, ocn_: false, ocn: nil }
             dob=SiSU_document_structure::Object_para.new.paragraph(h,dob)
           elsif dob.is=='heading'
-            h={:obj=>dob.obj,:ocn_=>false,:ocn=>nil,:toc_=>true}
+            h={ obj: dob.obj, ocn_: false, ocn: nil, toc_: true }
             dob=SiSU_document_structure::Object_heading.new.heading(h,dob)
           end
         elsif dob.obj=~/#{Mx[:pa_non_object_dummy_heading]}/
           dob.obj.gsub!(/#{Mx[:pa_non_object_dummy_heading]}/,'')
           if dob.is=='para'
-            h={:obj=>dob.obj,:ocn_=>false,:ocn=>nil}
+            h={ obj: dob.obj, ocn_: false, ocn: nil }
             dob=SiSU_document_structure::Object_para.new.paragraph(h,dob)
           elsif dob.is=='heading'
-            h={:obj=>dob.obj,:ocn_=>false,:ocn=>nil,:toc_=>false}
+            h={ obj: dob.obj, ocn_: false, ocn: nil, toc_: false }
             dob=SiSU_document_structure::Object_heading.new.heading(h,dob)
           end
         else dob
@@ -940,7 +940,7 @@ module SiSU_document_structure_extract
       data=@data
       tuned_file=[]
       hs=[0,false,false,false]
-      t={:lv =>@s[0],:status =>'open'}
+      t={ lv: @s[0], status: 'open' }
       tuned_file << tags(t)
       if @md.cmd =~/V/
         puts "\nXML sisu structure outline --->\n"
@@ -1022,11 +1022,11 @@ module SiSU_document_structure_extract
       when '5'; 8
       when '6'; 9
       end
-      h={:tag=>tag,:node=>o[:node],:lv =>o[:lv],:ln =>ln,:status =>o[:status]}
+      h={ tag: tag, node: o[:node], lv: o[:lv], ln: ln, status: o[:status] }
       SiSU_document_structure::Object_structure.new.xml_dom(h) #downstream code utilise else ignore like comments
     end
     def tag_open(o,tag)
-      t={:lv =>tag[o.ln],:node =>o.node,:status =>'open'}
+      t={ lv: tag[o.ln], node: o.node, status: 'open' }
       t_o=tags(t)
       t_o
     end
@@ -1035,116 +1035,116 @@ module SiSU_document_structure_extract
       case hs[0]
       when 1
         if (lev <= 1) and hs[1]
-          t={:lv =>@s[1],:status =>'close'}
+          t={ lv: @s[1], status: 'close' }
           ary << tags(t)
         end
         if (lev==0)
-          t={:lv =>@s[0],:status =>'close'}
+          t={ lv: @s[0], status: 'close' }
           ary << tags(t)
         end
       when 2
         if (lev <= 2) and hs[2]
-          t={:lv =>@s[2],:status =>'close'}
+          t={ lv: @s[2], status: 'close' }
           ary << tags(t)
         end
         if (lev <= 1) and hs[1]
-          t={:lv =>@s[1],:status =>'close'}
+          t={ lv: @s[1], status: 'close' }
           ary << tags(t)
         end
         if (lev==0)
-          t={:lv =>@s[0],:status =>'close'}
+          t={ lv: @s[0], status: 'close' }
           ary << tags(t)
         end
       when 3
         if (lev <= 3) and hs[3]
-          t={:lv =>@s[3],:status =>'close'}
+          t={ lv: @s[3], status: 'close' }
           ary << tags(t)
         end
         if (lev <= 2) and hs[2]
-          t={:lv =>@s[2],:status =>'close'}
+          t={ lv: @s[2], status: 'close' }
           ary << tags(t)
         end
         if (lev <= 1) and hs[1]
-          t={:lv =>@s[1],:status =>'close'}
+          t={ lv: @s[1], status: 'close' }
           ary << tags(t)
         end
         if (lev==0)
-          t={:lv =>@s[0],:status =>'close'}
+          t={ lv: @s[0], status: 'close' }
           ary << tags(t)
         end
       when 4
         if (lev <= 4)
-          t={:lv =>@s[4],:status =>'close'}
+          t={ lv: @s[4], status: 'close' }
           ary << tags(t)
         end
         if (lev <= 3) and hs[3]
-          t={:lv =>@s[3],:status =>'close'}
+          t={ lv: @s[3], status: 'close' }
           ary << tags(t)
         end
         if (lev <= 2) and hs[2]
-          t={:lv =>@s[2],:status =>'close'}
+          t={ lv: @s[2], status: 'close' }
           ary << tags(t)
         end
         if (lev <= 1) and hs[1]
-          t={:lv =>@s[1],:status =>'close'}
+          t={ lv: @s[1], status: 'close' }
           ary << tags(t)
         end
         if (lev==0)
-          t={:lv =>@s[0],:status =>'close'}
+          t={ lv: @s[0], status: 'close' }
           ary << tags(t)
         end
       when 5
         if (lev <= 5)
-          t={:lv =>@s[5],:status =>'close'}
+          t={ lv: @s[5], status: 'close' }
           ary << tags(t)
         end
         if (lev <= 4)
-          t={:lv =>@s[4],:status =>'close'}
+          t={ lv: @s[4], status: 'close' }
           ary << tags(t)
         end
         if (lev <= 3) and hs[3]
-          t={:lv =>@s[3],:status =>'close'}
+          t={ lv: @s[3], status: 'close' }
           ary << tags(t)
         end
         if (lev <= 2) and hs[2]
-          t={:lv =>@s[2],:status =>'close'}
+          t={ lv: @s[2], status: 'close' }
           ary << tags(t)
         end
         if (lev <= 1) and hs[1]
-          t={:lv =>@s[1],:status =>'close'}
+          t={ lv: @s[1], status: 'close' }
           ary << tags(t)
         end
         if (lev==0)
-          t={:lv =>@s[0],:status =>'close'}
+          t={ lv: @s[0], status: 'close' }
           ary << tags(t)
         end
       when 6
         if (lev <= 6)
-          t={:lv =>@s[6],:status =>'close'}
+          t={ lv: @s[6], status: 'close' }
           ary << tags(t)
         end
         if (lev <= 5)
-          t={:lv =>@s[5],:status =>'close'}
+          t={ lv: @s[5], status: 'close' }
           ary << tags(t)
         end
         if (lev <= 4)
-          t={:lv =>@s[4],:status =>'close'}
+          t={ lv: @s[4], status: 'close' }
           ary << tags(t)
         end
         if (lev <= 3) and hs[3]
-          t={:lv =>@s[3],:status =>'close'}
+          t={ lv: @s[3], status: 'close' }
           ary << tags(t)
         end
         if (lev <= 2) and hs[2]
-          t={:lv =>@s[2],:status =>'close'}
+          t={ lv: @s[2], status: 'close' }
           ary << tags(t)
         end
         if (lev <= 1) and hs[1]
-          t={:lv =>@s[1],:status =>'close'}
+          t={ lv: @s[1], status: 'close' }
           ary << tags(t)
         end
         if (lev==0)
-          t={:lv =>@s[0],:status =>'close'}
+          t={ lv: @s[0], status: 'close' }
           ary << tags(t)
         end
       end
diff --git a/lib/sisu/v3/dal_idx.rb b/lib/sisu/v3/dal_idx.rb
index a965159d..dd2b1331 100644
--- a/lib/sisu/v3/dal_idx.rb
+++ b/lib/sisu/v3/dal_idx.rb
@@ -102,10 +102,10 @@ module SiSU_book_index
           idxl=[]
           g.each do |i|
             i.strip!
-            idxl << { :rough_idx => i, :ocn => ocn, :seg => seg }
+            idxl << { rough_idx: i, ocn: ocn, seg: seg }
           end
           idxl
-        else { :rough_idx => idx_list, :ocn => ocn, :seg => seg }
+        else { rough_idx: idx_list, ocn: ocn, seg: seg }
         end
       end
       idx_lst.flatten!
@@ -128,20 +128,20 @@ module SiSU_book_index
           x=if idx_lst.length==1 or idx_lst[0].gsub(/\+\d+/,'')==i
             the_idx[use]['term_node_lev1']=[] unless the_idx[use]['term_node_lev1'] and defined? the_idx[use]['term_node_lev1']
             x=if r
-              the_idx[use]['term_node_lev1'] << { :ocn => idx[:ocn], :range => "#{idx[:ocn]}-#{idx[:ocn].to_i+r.to_i}", :seg => idx[:seg] }
+              the_idx[use]['term_node_lev1'] << { ocn: idx[:ocn], range: "#{idx[:ocn]}-#{idx[:ocn].to_i+r.to_i}", seg: idx[:seg] }
               "#{i} #{idx[:ocn]}-#{idx[:ocn].to_i+r.to_i}"
             else
-              the_idx[use]['term_node_lev1'] << { :ocn => idx[:ocn], :seg => idx[:seg] }
+              the_idx[use]['term_node_lev1'] << { ocn: idx[:ocn], seg: idx[:seg] }
               "#{i} #{idx[:ocn]}"
             end
           else
             the_idx[use]['term_node_lev2']={} unless the_idx[use]['term_node_lev2'] and defined? the_idx[use]['term_node_lev2']
             the_idx[use]['term_node_lev2'][i]=[] unless the_idx[use]['term_node_lev2'][i] and defined? the_idx[use]['term_node_lev2'][i]
             x=if r
-              the_idx[use]['term_node_lev2'][i] << { :ocn => idx[:ocn], :range => "#{idx[:ocn]}-#{idx[:ocn].to_i+r.to_i}", :seg => idx[:seg] }
+              the_idx[use]['term_node_lev2'][i] << { ocn: idx[:ocn], range: "#{idx[:ocn]}-#{idx[:ocn].to_i+r.to_i}", seg: idx[:seg] }
               "#{idx_lst[0]}:#{i} #{idx[:ocn]}-#{idx[:ocn].to_i+r.to_i}"
             else
-              the_idx[use]['term_node_lev2'][i] << { :ocn => idx[:ocn], :seg => idx[:seg] }
+              the_idx[use]['term_node_lev2'][i] << { ocn: idx[:ocn], seg: idx[:seg] }
               "#{idx_lst[0]}:#{i} #{idx[:ocn]}"
             end
           end
@@ -163,15 +163,15 @@ module SiSU_book_index
       @x=1
       idx={}
       idx[:sst_rel_html_seg],idx[:sst_rel],idx[:html],idx[:xhtml]=[],[],[],[]
-      h={:obj=>Mx[:br_page]}
+      h={obj: Mx[:br_page]}
       o=SiSU_document_structure::Object_layout.new.break(h)
       idx[:sst_rel_html_seg] << o
       idx[:sst_rel] << o
-      h={:lv=>'2',:name=>'index',:obj=>"Index"}
+      h={lv: '2', name: 'index', obj: "Index"}
       o=SiSU_document_structure::Object_heading.new.heading(h)
       idx[:sst_rel_html_seg] << o
       idx[:sst_rel] << o
-      h={:lv=>'4',:name=>'idx',:obj=>" [Index] #{Mx[:pa_non_object_dummy_heading]}"}
+      h={lv: '4', name: 'idx', obj: " [Index] #{Mx[:pa_non_object_dummy_heading]}"}
       o=SiSU_document_structure::Object_heading.new.heading(h)
       idx[:sst_rel_html_seg] << o
       idx[:sst_rel] << o
diff --git a/lib/sisu/v3/dal_metadata.rb b/lib/sisu/v3/dal_metadata.rb
index 1e394ab3..31a7e4b2 100644
--- a/lib/sisu/v3/dal_metadata.rb
+++ b/lib/sisu/v3/dal_metadata.rb
@@ -65,11 +65,11 @@ module SiSU_metadata
       @tr=SiSU_Translate::Source.new(md,language)
     end
     def make_para(obj,ocn)
-      h={:obj=>obj,:ocn=>0}
+      h={ obj: obj, ocn: 0 }
       SiSU_document_structure::Object_para.new.paragraph(h)
     end
     def make_heading(obj,ocn,name,lv,ln)
-      h={:lv=>lv,:ln=>ln,:name=>name,:obj=>obj,:ocn=>0}
+      h={ lv: lv, ln: ln, name: name, obj: obj, ocn: 0 }
       SiSU_document_structure::Object_heading.new.heading(h)
     end
     def metadata
diff --git a/lib/sisu/v3/dal_numbering.rb b/lib/sisu/v3/dal_numbering.rb
index a4c04535..7a0c4365 100644
--- a/lib/sisu/v3/dal_numbering.rb
+++ b/lib/sisu/v3/dal_numbering.rb
@@ -357,15 +357,15 @@ module SiSU_numbering
           @segname=((dob.is=='heading'|| dob.is=='heading_insert') && dob.ln==4 && (defined? dob.name)) \
           ? (dob.name) \
           : @segname
-          tags["#{dob.ocn}"]={:segname=>@segname}
+          tags["#{dob.ocn}"]={ segname: @segname }
           ocn_html_seg[dob.ocn]=if dob.is =~/heading/
             x=if dob.ln =~/[1-3]/
-              {:seg=>nil,:level=> dob.ln}
+              { seg: nil, level: dob.ln }
             else #elsif dob.ln =~/[4-6]/
-              {:seg=>@seg,:level=> dob.ln}
+              { seg: @seg, level: dob.ln }
             end
           else
-            {:seg=>@seg,:level=>nil}
+            { seg: @seg, level: nil }
           end
         end
         dob.tags=dob.tags.uniq if defined? dob.tags
@@ -375,7 +375,7 @@ module SiSU_numbering
           #? (dob.name) \
           #: @segname
           dob.tags.each do |x|
-            tags[x]={:ocn=>dob.ocn.to_s,:segname=>@segname} #@tags[x.to_s]=[dob.ocn.to_s,@segname.to_s]
+            tags[x]={ ocn: dob.ocn.to_s, segname: @segname }
           end
         end
         dob
diff --git a/lib/sisu/v3/dal_syntax.rb b/lib/sisu/v3/dal_syntax.rb
index 5ef5723f..2de931f6 100644
--- a/lib/sisu/v3/dal_syntax.rb
+++ b/lib/sisu/v3/dal_syntax.rb
@@ -78,13 +78,13 @@ module SiSU_Syntax
       @emph=case emph_set
       when /bold/
         emph_italics=false
-        {:o =>Mx[:fa_bold_o], :c =>Mx[:fa_bold_c] }
+        { o: Mx[:fa_bold_o], c: Mx[:fa_bold_c] }
       when /italics/
         emph_italics=true
-        {:o =>Mx[:fa_italics_o], :c =>Mx[:fa_italics_c] }
+        { o: Mx[:fa_italics_o], c: Mx[:fa_italics_c] }
       when /underscore/
         emph_italics=false
-        {:o =>Mx[:fa_underscore_o], :c =>Mx[:fa_underscore_c] }
+        { o: Mx[:fa_underscore_o], c: Mx[:fa_underscore_c] }
       else p __LINE__.to_s + '::' + __FILE__
       end
       @http_m=%r{\{.+?\}https?://\S+|https?:\S+|:\S+|\.\.\/\S+|#\S+|\S+?\.png\b|[*]~\S+|^#{Mx[:meta_o]}.+|#{Mx[:gr_o]}(?:code|block|group|alt|verse)(?:-end)?#{Mx[:gr_c]}|#{Mx[:fa_o]}:br#{Mx[:fa_c]}}
diff --git a/lib/sisu/v3/db_import.rb b/lib/sisu/v3/db_import.rb
index 2f0ae117..62873518 100644
--- a/lib/sisu/v3/db_import.rb
+++ b/lib/sisu/v3/db_import.rb
@@ -421,17 +421,17 @@ module SiSU_DB_import
                     txt=%{\n\nLARGE TEXT BLOCK OMITTED\n\n}
                   end
                   if txt
-                    en={ :type => 'endnotes',
-                      :id      => @id_n,
-                      :lid     => @col[:lid],
-                      :nr      => nr,
-                      :txt     => txt,
-                      :body    => body,
-                      :ocn     => @col[:ocn],
-                      :ocnd    => @col[:ocnd],
-                      :ocns    => @col[:ocns],
-                      :id_t    => @@id_t,
-                      :hash    => digest_clean
+                    en={ type: 'endnotes',
+                      id:      @id_n,
+                      lid:     @col[:lid],
+                      nr:      nr,
+                      txt:     txt,
+                      body:    body,
+                      ocn:     @col[:ocn],
+                      ocnd:    @col[:ocnd],
+                      ocns:    @col[:ocns],
+                      id_t:    @@id_t,
+                      hash:    digest_clean
                     }
                     t=SiSU_DB_tuple::Load_endnotes.new(@conn,en,@opt,@file)
                     @tuple_array << t.tuple
@@ -459,17 +459,17 @@ module SiSU_DB_import
                     txt=%{\n\nLARGE TEXT BLOCK OMITTED\n\n}
                   end
                   if txt
-                    en={ :type => 'endnotes_asterisk',
-                      :id      => @id_n,
-                      :lid     => @col[:lid],
-                      :nr      => nr,
-                      :txt     => txt,
-                      :body    => body,
-                      :ocn     => @col[:ocn],
-                      :ocnd    => @col[:ocnd],
-                      :ocns    => @col[:ocns],
-                      :id_t    => @@id_t,
-                      :hash    => digest_clean
+                    en={ type: 'endnotes_asterisk',
+                      id:      @id_n,
+                      lid:     @col[:lid],
+                      nr:      nr,
+                      txt:     txt,
+                      body:    body,
+                      ocn:     @col[:ocn],
+                      ocnd:    @col[:ocnd],
+                      ocns:    @col[:ocns],
+                      id_t:    @@id_t,
+                      hash:    digest_clean
                     }
                     t=SiSU_DB_tuple::Load_endnotes.new(@conn,en,@opt,@file)
                     @tuple_array << t.tuple
@@ -497,17 +497,17 @@ module SiSU_DB_import
                     txt=%{\n\nLARGE TEXT BLOCK OMITTED\n\n}
                   end
                   if txt
-                    en={ :type => 'endnotes_plus',
-                      :id      => @id_n,
-                      :lid     => @col[:lid],
-                      :nr      => nr,
-                      :txt     => txt,
-                      :body    => body,
-                      :ocn     => @col[:ocn],
-                      :ocnd    => @col[:ocnd],
-                      :ocns    => @col[:ocns],
-                      :id_t    => @@id_t,
-                      :hash    => digest_clean
+                    en={ type: 'endnotes_plus',
+                      id:      @id_n,
+                      lid:     @col[:lid],
+                      nr:      nr,
+                      txt:     txt,
+                      body:    body,
+                      ocn:     @col[:ocn],
+                      ocnd:    @col[:ocnd],
+                      ocns:    @col[:ocns],
+                      id_t:    @@id_t,
+                      hash:    digest_clean
                     }
                     t=SiSU_DB_tuple::Load_endnotes.new(@conn,en,@opt,@file)
                     @tuple_array << t.tuple
diff --git a/lib/sisu/v3/defaults.rb b/lib/sisu/v3/defaults.rb
index 37793633..87e8c577 100644
--- a/lib/sisu/v3/defaults.rb
+++ b/lib/sisu/v3/defaults.rb
@@ -153,39 +153,39 @@ module SiSU_Viz
     def semantic_tags
       def default
         {
-          :pub =>     'publication',
-          :conv =>    'convention',
-          :vol =>     'volume',
-          :pg =>      'page',
-          :cty =>     'city',
-          :org =>     'organization',
-          :uni =>     'university',
-          :dept =>    'department',
-          :fac =>     'faculty',
-          :inst =>    'institute',
-          :co =>      'company',
-          :com =>     'company',
-          :conv =>    'convention',
-          :dt =>      'date',
-          :y =>       'year',
-          :m =>       'month',
-          :d =>       'day',
-          :ti =>      'title',
-          :au =>      'author',
-          :ed =>      'editor', #editor?
-          :v =>       'version', #edition
-          :n =>       'name',
-          :fn =>      'firstname',
-          :mn =>      'middlename',
-          :ln =>      'lastname',
-          :in =>      'initials',
-          :qt =>      'quote',
-          :ct =>      'cite',
-          :ref =>     'reference',
-          :ab =>      'abreviation',
-          :def =>     'define',
-          :desc =>    'description',
-          :trans =>   'translate',
+          pub:     'publication',
+          conv:    'convention',
+          vol:     'volume',
+          pg:      'page',
+          cty:     'city',
+          org:     'organization',
+          uni:     'university',
+          dept:    'department',
+          fac:     'faculty',
+          inst:    'institute',
+          co:      'company',
+          com:     'company',
+          conv:    'convention',
+          dt:      'date',
+          y:       'year',
+          m:       'month',
+          d:       'day',
+          ti:      'title',
+          au:      'author',
+          ed:      'editor', #editor?
+          v:       'version', #edition
+          n:       'name',
+          fn:      'firstname',
+          mn:      'middlename',
+          ln:      'lastname',
+          in:      'initials',
+          qt:      'quote',
+          ct:      'cite',
+          ref:     'reference',
+          ab:      'abreviation',
+          def:     'define',
+          desc:    'description',
+          trans:   'translate',
         }
       end
       self
diff --git a/lib/sisu/v3/epub.rb b/lib/sisu/v3/epub.rb
index 0465ff86..c39b7800 100644
--- a/lib/sisu/v3/epub.rb
+++ b/lib/sisu/v3/epub.rb
@@ -173,7 +173,7 @@ module SiSU_EPUB
                 endnote_array = pg.obj.scan(/#{Mx[:en_b_o]}[\d+]+(.+?)#{Mx[:en_b_c]}/m)
               end
               endnote_array.flatten.each do |note|
-                txt_obj={:txt =>note}
+                txt_obj={ txt: note }
                 format_scroll=SiSU_EPUB_Format::Format_scroll.new(@md,txt_obj)
                 @scr_endnotes << format_scroll.endnote_body
               end
@@ -184,7 +184,7 @@ module SiSU_EPUB
       end
     end
     class Toc
-      @@toc={ :seg=>[],:seg_mini=>[],:scr=>[],:ncx=>[],:opf=>[] }
+      @@toc={ seg: [], seg_mini: [], scr: [], ncx: [], opf: [] }
       @@seg_url=''
       @@firstseg=nil
       def initialize(md=nil,data='')
@@ -197,7 +197,7 @@ module SiSU_EPUB
         SiSU_Screen::Ansi.new(@md.cmd,'Toc').txt_grey if @md.cmd =~/[MVv]/
         toc=nil
         @@firstseg=nil
-        @@toc={ :seg=>[],:seg_mini=>[],:scr=>[],:ncx=>[],:opf=>[] }
+        @@toc={ seg: [], seg_mini: [], scr: [], ncx: [], opf: [] }
         md_opf_a_content,md_opf_a_spine=[],[]
         @nav_no=1
         @@toc[:ncx] << @epub.toc_ncx.open #epub ncx navmap
@@ -313,7 +313,7 @@ module SiSU_EPUB
           %{<b><a href="#{@md.fnl[:pre]}#{link}#{@md.fnl[:mid]}#{Sfx[:epub_xhtml]}#{@md.fnl[:post]}">#{linkname}</a></b>}
         end
         toc={}
-        txt_obj={:txt =>title}
+        txt_obj={ txt: title }
         format_toc=SiSU_EPUB_Format::Format_toc.new(@md,txt_obj)
         toc[:seg]=if dob.name =~/^meta/ \
         and dob.obj =~/Document Information/ #check
@@ -341,7 +341,7 @@ module SiSU_EPUB
           end
           %{<b><a href="##{link}">#{linkname}</a></b>}
         end
-        txt_obj={:txt =>title}
+        txt_obj={ txt: title }
         format_toc=SiSU_EPUB_Format::Format_toc.new(@md,txt_obj)
         toc[:scr]=if dob.name =~/^meta/ \
         and dob.obj =~/Document Information/
@@ -357,14 +357,14 @@ module SiSU_EPUB
         and ocn !~/#/
           p_num=SiSU_EPUB_Format::Paragraph_number.new(@md,ocn)
         end
-        txt_obj={:txt =>linkname}
+        txt_obj={ txt: linkname }
         format_toc=SiSU_EPUB_Format::Format_toc.new(@md,txt_obj)
         toc={}
         toc[:seg]=format_toc.lev2
         toc[:seg_mini]=format_toc.mini_lev2
         if p_num
           title=%{#{p_num.goto}#{linkname}</a>}
-          txt_obj={:txt =>title}
+          txt_obj={ txt: title }
           format_toc=SiSU_EPUB_Format::Format_toc.new(@md,txt_obj)
           toc[:scr]=format_toc.lev2
         end
@@ -377,14 +377,14 @@ module SiSU_EPUB
         and ocn !~/#/
           p_num=SiSU_EPUB_Format::Paragraph_number.new(@md,ocn)
         end
-        txt_obj={:txt =>linkname}
+        txt_obj={ txt: linkname }
         format_toc=SiSU_EPUB_Format::Format_toc.new(@md,txt_obj)
         toc={}
         toc[:seg]=format_toc.lev3
         toc[:seg_mini]=format_toc.mini_lev3
         if p_num
           title=%{#{p_num.goto}#{linkname}</a>}
-          txt_obj={:txt =>title}
+          txt_obj={ txt: title }
           format_toc=SiSU_EPUB_Format::Format_toc.new(@md,txt_obj)
           toc[:scr]=format_toc.lev3
         end
@@ -405,13 +405,13 @@ module SiSU_EPUB
             %{\\1 \\2</a> })
         end
         p_num=SiSU_EPUB_Format::Paragraph_number.new(@md,ocn) if ocn
-        txt_obj={:txt =>seg_link}
+        txt_obj={ txt: seg_link }
         format_toc=SiSU_EPUB_Format::Format_toc.new(@md,txt_obj)
         toc={}
         toc[:seg]=format_toc.lev4
         toc[:seg_mini]=format_toc.mini_lev4
         title=%{#{p_num.goto}#{linkname}</a>} if p_num
-        txt_obj={:txt =>title}
+        txt_obj={ txt: title }
         format_toc=SiSU_EPUB_Format::Format_toc.new(@md,txt_obj)
         toc[:scr]=format_toc.lev4
         toc
@@ -426,12 +426,12 @@ module SiSU_EPUB
           lnk_n_txt=%{  <a href="#{@md.fnl[:pre]}#{@@seg_url}#{@md.fnl[:mid]}#{Sfx[:epub_xhtml]}#{@md.fnl[:post]}#o#{ocn}">
     #{linkname}
   </a>}
-          txt_obj={:txt =>lnk_n_txt}
+          txt_obj={ txt: lnk_n_txt }
           format_toc=SiSU_EPUB_Format::Format_toc.new(@md,txt_obj)
           toc[:seg]=format_toc.lev5
           toc[:seg_mini]=format_toc.mini_lev5
           title=%{#{p_num.goto}#{linkname}</a>}
-          txt_obj={:txt =>title}
+          txt_obj={ txt: title }
           format_toc=SiSU_EPUB_Format::Format_toc.new(@md,txt_obj)
           toc[:scr]=format_toc.lev5
         end
@@ -447,12 +447,12 @@ module SiSU_EPUB
           lnk_n_txt=%{  <a href="#{@md.fnl[:pre]}#{@@seg_url}#{@md.fnl[:mid]}#{Sfx[:epub_xhtml]}#{@md.fnl[:post]}#o#{ocn}">
   #{linkname}
 </a>}
-          txt_obj={:txt =>lnk_n_txt}
+          txt_obj={ txt: lnk_n_txt }
           format_toc=SiSU_EPUB_Format::Format_toc.new(@md,txt_obj)
           toc[:seg]=format_toc.lev6
           toc[:seg_mini]=format_toc.mini_lev6
           title=%{#{p_num.goto}#{linkname}</a>}
-          txt_obj={:txt =>title}
+          txt_obj={ txt: title }
           format_toc=SiSU_EPUB_Format::Format_toc.new(@md,txt_obj)
           toc[:scr]=format_toc.lev6
         end
@@ -513,7 +513,7 @@ module SiSU_EPUB
         tmp_head=nil
         doc_title_endnote=@md.title.full.gsub(/(\*+)/,'<sup><a href="#endnotes">\1</a></sup>')
         tmp_head=doc_title_endnote + "\n"
-        txt_obj={:txt =>tmp_head}
+        txt_obj={ txt: tmp_head }
         format_txt_obj=SiSU_EPUB_Format::Format_text_object.new(@md,txt_obj)
         toc_shared << format_txt_obj.center_bold
         segtoc << format_txt_obj.center_bold
@@ -521,7 +521,7 @@ module SiSU_EPUB
         and @md.creator.author
           creator_endnote=@md.creator.author.gsub(/(\*+)/,%{&nbsp;<sup><a href="#notes">\\1</a></sup>})
           tmp_head=creator_endnote + "\n"
-          txt_obj={:txt =>tmp_head}
+          txt_obj={ txt: tmp_head }
           format_txt_obj=SiSU_EPUB_Format::Format_text_object.new(@md,txt_obj)
           toc_shared << format_txt_obj.center_bold
           segtoc << format_txt_obj.center_bold
diff --git a/lib/sisu/v3/epub_segments.rb b/lib/sisu/v3/epub_segments.rb
index b6a84bd1..61e65544 100644
--- a/lib/sisu/v3/epub_segments.rb
+++ b/lib/sisu/v3/epub_segments.rb
@@ -72,7 +72,7 @@ module SiSU_EPUB_seg
           @seg[:headings]=[]
           format_head_seg=SiSU_EPUB_Format::Head_seg.new(@md)
           @seg[:headings] << format_head_seg.title_banner(@md.title.main,@md.title.sub,@author)
-          txt_obj={:txt =>'Endnotes',:ocn_display =>''}
+          txt_obj={ txt: 'Endnotes', ocn_display: ''}
           format_seg=SiSU_EPUB_Format::Format_seg.new(@md,txt_obj)
           @seg[:headings] << format_seg.title_heading1
           filename_seg << @seg[:heading_endnotes] << @seg[:headings] << %{\n<div class="content">\n} << @seg[:endnote_all] << '</div>'
@@ -80,7 +80,7 @@ module SiSU_EPUB_seg
           @seg[:headings]=[]
           format_head_seg=SiSU_EPUB_Format::Head_seg.new(@md)
           @seg[:headings] << format_head_seg.title_banner(@md.title.main,@md.title.sub,@author)
-          txt_obj={:txt =>'Index',:ocn_display =>''}
+          txt_obj={ txt: 'Index', ocn_display: ''}
           format_seg=SiSU_EPUB_Format::Format_seg.new(@md,txt_obj)
           @seg[:headings] << format_seg.title_heading1
           filename_seg << @seg[:heading_idx] << @seg[:headings] << %{\n<div class="content">\n} << @seg[:idx] << '</div>'
@@ -89,7 +89,7 @@ module SiSU_EPUB_seg
           @seg[:headings]=[]
           format_head_seg=SiSU_EPUB_Format::Head_seg.new(@md)
           @seg[:headings] << format_head_seg.title_banner(@md.title.main,@md.title.sub,@author)
-          txt_obj={:txt =>'Metadata',:ocn_display =>''}
+          txt_obj={ txt: 'Metadata', ocn_display: ''}
           format_seg=SiSU_EPUB_Format::Format_seg.new(@md,txt_obj)
           @seg[:headings] << format_seg.title_heading1
           filename_seg << @seg[:heading_idx] << @seg[:headings] << %{\n<div class="content">\n} << metadata << '</div>'
@@ -106,7 +106,7 @@ WOK
           @seg[:headings]=[]
           format_head_seg=SiSU_EPUB_Format::Head_seg.new(@md)
           @seg[:headings] << format_head_seg.title_banner(@md.title.main,@md.title.sub,@author)
-          txt_obj={:txt =>'Manifest',:ocn_display =>''}
+          txt_obj={ txt: 'Manifest', ocn_display: ''}
           format_seg=SiSU_EPUB_Format::Format_seg.new(@md,txt_obj)
           @seg[:headings] << format_seg.title_heading1
           filename_seg << @seg[:heading_idx] << @seg[:headings] << %{\n<div class="content">\n} << manifest << '</div>'
@@ -314,7 +314,7 @@ WOK
         else ''
         end
         @p_num=SiSU_EPUB_Format::Paragraph_number.new(@md,ocn)
-        txt_obj={:txt =>@@heading1,:ocn_display =>@p_num.ocn_display}
+        txt_obj={ txt: @@heading1, ocn_display: @p_num.ocn_display }
         format_seg=SiSU_EPUB_Format::Format_seg.new(@md,txt_obj)
         @@seg[:headings] << format_seg.title_heading1.gsub(clean,'')
         @@heading1.gsub!(/&nbsp;<a name="-[\d*+]+" href="#_[\d*+]+">&nbsp;<sup>[\d*+]+<\/sup>&nbsp;<\/a>/,'')
@@ -325,7 +325,7 @@ WOK
         else ''
         end
         @p_num=SiSU_EPUB_Format::Paragraph_number.new(@md,ocn)
-        txt_obj={:txt =>heading2,:ocn_display =>@p_num.ocn_display}
+        txt_obj={ txt: heading2, ocn_display: @p_num.ocn_display }
         format_seg=SiSU_EPUB_Format::Format_seg.new(@md,txt_obj)
         @@seg[:headings] << format_seg.title_heading2.gsub(clean,'')
         @@heading2.gsub!(/&nbsp;<a name="-[\d*+]+" href="#_[\d*+]+">&nbsp;<sup>[\d*+]+<\/sup>&nbsp;<\/a>/,'')
@@ -336,7 +336,7 @@ WOK
         else ''
         end
         @p_num=SiSU_EPUB_Format::Paragraph_number.new(@md,ocn)
-        txt_obj={:txt =>heading3,:ocn_display =>@p_num.ocn_display}
+        txt_obj={ txt: heading3, ocn_display: @p_num.ocn_display }
         format_seg=SiSU_EPUB_Format::Format_seg.new(@md,txt_obj)
         @@seg[:headings] << format_seg.title_heading3.gsub(clean,'')
         @@heading3.gsub!(/&nbsp;<a name="-[\d*+]+" href="#_[\d*+]+">&nbsp;<sup>[\d*+]+<\/sup>&nbsp;<\/a>/,'')
@@ -347,7 +347,7 @@ WOK
         else ''
         end
         @p_num=SiSU_EPUB_Format::Paragraph_number.new(@md,ocn)
-        txt_obj={:txt =>heading4,:ocn_display =>@p_num.ocn_display}
+        txt_obj={ txt: heading4, ocn_display: @p_num.ocn_display }
         format_seg=SiSU_EPUB_Format::Format_seg.new(@md,txt_obj)
         @@seg[:headings] << format_seg.title_heading4.gsub(clean,'')
       end
@@ -497,7 +497,7 @@ WOK
               e_n=note_match_seg[/(?:#{Mx[:en_a_o]}(?:\d|#{ast}|#{pls})+|#{Mx[:en_b_o]}(?:#{ast}|#{pls})\d+)\s+(.+?)(?:#{Mx[:en_a_c]}|#{Mx[:en_b_c]})/m,1]
               try=e_n.split(/<br \/>/)
               try.each do |e|
-                txt_obj={:txt =>e}
+                txt_obj={ txt: e }
                 format_seg=SiSU_EPUB_Format::Format_seg.new(@md,txt_obj)
                 note_match=if e =~/#{Mx[:pa_o]}i[1-9]#{Mx[:pa_c]}/
                   format_seg.endnote_body_indent
@@ -510,7 +510,7 @@ WOK
               m=/(?:#{Mx[:en_a_o]}(?:\d|#{ast}|#{pls})+|#{Mx[:en_b_o]}(?:#{ast}|#{pls})\d+)\s+(.+?href=")(#note_ref(?:\d|_a|_b)+".+)(?:#{Mx[:en_a_c]}|#{Mx[:en_b_c]})/mi
               endnote_part_a=note_match_seg[m,1]
               endnote_part_b=note_match_seg[m,2]
-              txt_obj={:endnote_part_a =>endnote_part_a,:endnote_part_b =>endnote_part_b}
+              txt_obj={ endnote_part_a: endnote_part_a, endnote_part_b: endnote_part_b }
               format_seg=SiSU_EPUB_Format::Format_seg.new(@md,txt_obj)
               note_match_all_seg=format_seg.endnote_seg_body(@@fn) #BUG WATCH 200408
               @@seg[:endnote_all] << note_match_all_seg
diff --git a/lib/sisu/v3/git.rb b/lib/sisu/v3/git.rb
index 39914480..f5fae44b 100644
--- a/lib/sisu/v3/git.rb
+++ b/lib/sisu/v3/git.rb
@@ -87,16 +87,16 @@ module SiSU_Git
       #end
       lng=(@md.opt.f_pth[:lng]) ? (@md.opt.f_pth[:lng]) : (@md.i18n[0])
       @git_path={
-        :fnb=>  git_path_fnb,
-        :src=>  git_path_fnb + '/' + Gt[:src] + '/' + lng,
-        :po=>   git_path_fnb + '/' + Gt[:po] + '/' + lng,
-        :pot=>  git_path_fnb + '/' + Gt[:pot],
-        :conf=> git_path_fnb + '/' + Gt[:conf],
-        :skin=> git_path_fnb + '/' + Gt[:skin],
-        :image=>git_path_fnb + '/' + Gt[:image],
-        :audio=>git_path_fnb + '/' + Gt[:audio],
-        :video=>git_path_fnb + '/' + Gt[:video],
-        :conf=> git_path_fnb + '/' + Gt[:conf]
+        fnb:       git_path_fnb,
+        src:       git_path_fnb + '/' + Gt[:src] + '/' + lng,
+        po:        git_path_fnb + '/' + Gt[:po] + '/' + lng,
+        pot:       git_path_fnb + '/' + Gt[:pot],
+        conf:      git_path_fnb + '/' + Gt[:conf],
+        skin:      git_path_fnb + '/' + Gt[:skin],
+        image:     git_path_fnb + '/' + Gt[:image],
+        audio:     git_path_fnb + '/' + Gt[:audio],
+        video:     git_path_fnb + '/' + Gt[:video],
+        conf:      git_path_fnb + '/' + Gt[:conf]
       }
       SiSU_DAL::Source.new(@opt).read                                         # -m
     end
@@ -239,7 +239,7 @@ module SiSU_Git
         if FileTest.file?(skin)
           cp_r(skin,"#{@git_path[:conf]}/skin")
         end
-        {:skin =>skin, :images =>images}
+        { skin: skin, images: images }
       end
       def sisuyaml_rc
         sisurc=@env.path.sisurc_path
diff --git a/lib/sisu/v3/harvest_authors.rb b/lib/sisu/v3/harvest_authors.rb
index e463c632..dc36a06f 100644
--- a/lib/sisu/v3/harvest_authors.rb
+++ b/lib/sisu/v3/harvest_authors.rb
@@ -133,7 +133,7 @@ module HARVEST_authors
           filename.sub(/\.ss[mt]$/,'')
         end
         page="sisu_manifest#{lang}.html"
-        idx_array <<= { :filename => filename, :file => file, :date => @date, :title => @fulltitle, :author => creator, :page => page }
+        idx_array <<= { filename: filename, file: file, date: @date, title: @fulltitle, author: creator, page: page }
       else
         #p "missing author field: #{@filename} title: #{@title}; author: #{@author_format}"
       end
@@ -155,9 +155,9 @@ module HARVEST_authors
         idx[:author][:last_first_format_a].each do |author|
           author.strip!
           if @@the_idx_authors[author].class==NilClass
-            @@the_idx_authors[author]={:md => []}
+            @@the_idx_authors[author]={ md: [] }
           end
-          @@the_idx_authors[author][:md] << { :filename => idx[:filename], :file => idx[:file], :author => idx[:author], :title => idx[:title], :date => idx[:date], :page => idx[:page] }
+          @@the_idx_authors[author][:md] << { filename: idx[:filename], file: idx[:file], author: idx[:author], title: idx[:title], date: idx[:date], page: idx[:page] }
         end
       end
       @the_idx=@@the_idx_authors
diff --git a/lib/sisu/v3/harvest_topics.rb b/lib/sisu/v3/harvest_topics.rb
index 11644f68..f00fb7f3 100644
--- a/lib/sisu/v3/harvest_topics.rb
+++ b/lib/sisu/v3/harvest_topics.rb
@@ -140,10 +140,10 @@ module HARVEST_topics
           idxl=[]
           g.each do |i|
             i.strip!
-            idxl << { :filename =>filename,:file =>file,:rough_idx =>i,:title =>@fulltitle,:author =>creator,:page =>page}
+            idxl << { filename: filename, file: file, rough_idx: i, title: @fulltitle, author: creator, page: page }
           end
           idxl
-        else { :filename =>filename,:file =>file,:rough_idx =>@idx_list,:title =>@fulltitle,:author =>creator,:page =>page}
+        else { filename: filename, file: file, rough_idx: @idx_list, title: @fulltitle, author: creator, page: page }
         end
       else
         p "missing required field in #{@filename} - [title]: <<#{@title}>>; [author]: <<#{@author_format}>>; [idx]: <<#{@idx_list}>>" if @opt.cmd.inspect =~/[VM]/
@@ -166,7 +166,7 @@ module HARVEST_topics
         s=n.sub(/(.+?)(?:,.+|$)/,'\1').gsub(/\s+/,'_')
         names += %{<a href="harvest_authors.html##{s}">#{n}</a>, }
       end
-      hash << { :filename =>idx[:filename],:file =>idx[:file],:author =>names,:title =>idx[:title],:page =>idx[:page]}
+      hash << { filename: idx[:filename], file: idx[:file], author: names, title: idx[:title], page: idx[:page] }
     end
     def construct_book_topic_index
       idx_array=@idx_array
@@ -190,7 +190,7 @@ module HARVEST_topics
               lev0.each do |lv0|
                 lv0=capital(lv0)
                 if @@the_idx_topics[lv0].class==NilClass
-                  @@the_idx_topics[lv0]={:md => []}
+                  @@the_idx_topics[lv0]={ md: [] }
                 end
                 @lv0=lv0 if lev0.length==1
                 j=@@the_idx_topics[lv0][:md]
@@ -201,7 +201,7 @@ module HARVEST_topics
               lev1.each do |lv1|
                 lv1=capital(lv1)
                 if @@the_idx_topics[@lv0][lv1].class==NilClass
-                  @@the_idx_topics[@lv0][lv1]={:md => []}
+                  @@the_idx_topics[@lv0][lv1]={ md: [] }
                 end
                 @lv1=lv1 if lev1.length==1
                 j=@@the_idx_topics[@lv0][lv1][:md]
@@ -212,7 +212,7 @@ module HARVEST_topics
               lev2.each do |lv2|
                 lv2=capital(lv2)
                 if @@the_idx_topics[@lv0][@lv1][lv2].class==NilClass
-                  @@the_idx_topics[@lv0][@lv1][lv2]={:md => []}
+                  @@the_idx_topics[@lv0][@lv1][lv2]={ md: [] }
                 end
                 @lv2=lv2 if lev2.length==1
                 j=@@the_idx_topics[@lv0][@lv1][lv2][:md]
@@ -223,7 +223,7 @@ module HARVEST_topics
               lev3.each do |lv3|
                 lv3=capital(lv3)
                 if @@the_idx_topics[@lv0][@lv1][@lv2][lv3].class==NilClass
-                  @@the_idx_topics[@lv0][@lv1][@lv2][lv3]={:md => []}
+                  @@the_idx_topics[@lv0][@lv1][@lv2][lv3]={ md: [] }
                 end
                 @lv3=lv3 if lev3.length==1
                 j=@@the_idx_topics[@lv0][@lv1][@lv2][lv3][:md]
@@ -234,7 +234,7 @@ module HARVEST_topics
               lev4.each do |lv4|
                 lv4=capital(lv4)
                 if @@the_idx_topics[@lv0][@lv1][@lv2][@lv3][lv4].class==NilClass
-                  @@the_idx_topics[@lv0][@lv1][@lv2][@lv3][lv4]={:md => []}
+                  @@the_idx_topics[@lv0][@lv1][@lv2][@lv3][lv4]={ md: [] }
                 end
                 @lv4=lv4 if lev4.length==1
                 j=@@the_idx_topics[@lv0][@lv1][@lv2][@lv3][lv4][:md]
diff --git a/lib/sisu/v3/html.rb b/lib/sisu/v3/html.rb
index 7a1c90cb..2ee031a5 100644
--- a/lib/sisu/v3/html.rb
+++ b/lib/sisu/v3/html.rb
@@ -172,7 +172,7 @@ module SiSU_HTML
                 else                              '_top'
                 end
                 s_lnk_url,s_lnk_lnk=l[:url],l[:say]
-                txt_obj={:lnk_url =>s_lnk_url,:lnk_txt =>s_lnk_lnk,:target =>target}
+                txt_obj={ lnk_url: s_lnk_url, lnk_txt: s_lnk_lnk, target: target }
                 lev_dob_ocn=SiSU_HTML_Format::Format_toc.new(@md,txt_obj)
                 @links_guide_toc << lev_dob_ocn.links_guide if s_lnk_lnk
               end
@@ -208,7 +208,7 @@ module SiSU_HTML
                 endnote_array = pg.obj.scan(/#{Mx[:en_b_o]}[\d+]+(.+?)#{Mx[:en_b_c]}/m)
               end
               endnote_array.flatten.each do |note|
-                txt_obj={:txt =>note}
+                txt_obj={ txt: note }
                 format_scroll=SiSU_HTML_Format::Format_scroll.new(@md,txt_obj)
                 @scr_endnotes << format_scroll.endnote_body
               end
@@ -219,7 +219,7 @@ module SiSU_HTML
       end
     end
     class Toc <Links_guide
-      @@toc={ :seg=>[],:seg_mini=>[],:scr=>[] }
+      @@toc={ seg: [], seg_mini: [], scr: [] }
       @@seg_url=''
       @@firstseg=nil
       def initialize(md=nil,data='')
@@ -231,7 +231,7 @@ module SiSU_HTML
         SiSU_Screen::Ansi.new(@md.cmd,'Toc').txt_grey if @md.cmd =~/[MVv]/
         toc=nil
         @@firstseg=nil
-        @@toc={ :seg=>[],:seg_mini=>[],:scr=>[] }
+        @@toc={ seg: [], seg_mini: [], scr: [] }
         @data.each do |dob|
           if dob.is=='heading' \
           or dob.is=='heading_insert'
@@ -325,7 +325,7 @@ WOK
           %{<b><a href="#{@md.fnl[:pre]}#{link}#{@md.fnl[:mid]}#{Sfx[:html]}#{@md.fnl[:post]}">#{linkname}</a></b>}
         end
         toc={}
-        txt_obj={:txt =>title}
+        txt_obj={ txt: title }
         format_toc=SiSU_HTML_Format::Format_toc.new(@md,txt_obj)
         toc[:seg]=if dob.name =~/^meta/ \
         and dob.obj =~/Document Information/
@@ -353,7 +353,7 @@ WOK
           end
           %{<b><a href="##{link}">#{linkname}</a></b>}
         end
-        txt_obj={:txt =>title}
+        txt_obj={ txt: title }
         format_toc=SiSU_HTML_Format::Format_toc.new(@md,txt_obj)
         toc[:scr]=if dob.name =~/^meta/ \
         and dob.obj =~/Document Information/
@@ -370,14 +370,14 @@ WOK
           SiSU_HTML_Format::Paragraph_number.new(@md,ocn)
         else nil
         end
-        txt_obj={:txt =>linkname}
+        txt_obj={ txt: linkname }
         format_toc=SiSU_HTML_Format::Format_toc.new(@md,txt_obj)
         toc={}
         toc[:seg]=format_toc.lev2
         toc[:seg_mini]=format_toc.mini_lev2
         if p_num
           title=%{#{p_num.goto}#{linkname}</a>}
-          txt_obj={:txt =>title}
+          txt_obj={ txt: title }
           format_toc=SiSU_HTML_Format::Format_toc.new(@md,txt_obj)
           toc[:scr]=format_toc.lev2
         end
@@ -391,14 +391,14 @@ WOK
           SiSU_HTML_Format::Paragraph_number.new(@md,ocn)
         else nil
         end
-        txt_obj={:txt =>linkname}
+        txt_obj={ txt: linkname }
         format_toc=SiSU_HTML_Format::Format_toc.new(@md,txt_obj)
         toc={}
         toc[:seg]=format_toc.lev3
         toc[:seg_mini]=format_toc.mini_lev3
         if p_num
           title=%{#{p_num.goto}#{linkname}</a>}
-          txt_obj={:txt =>title}
+          txt_obj={ txt: title }
           format_toc=SiSU_HTML_Format::Format_toc.new(@md,txt_obj)
           toc[:scr]=format_toc.lev3
         end
@@ -426,8 +426,8 @@ WOK
             seg_link.gsub(/sisu_manifest\.html/,"../../manifest/#{@file.base_filename.manifest}")
           else seg_link
           end
-          {:txt =>man_link}
-        else {:txt =>seg_link}
+          { txt: man_link }
+        else { txt: seg_link }
         end
         format_toc=SiSU_HTML_Format::Format_toc.new(@md,txt_obj)
         toc={}
@@ -436,8 +436,8 @@ WOK
         title=%{#{p_num.goto}#{linkname}</a>} if p_num
         txt_obj=if title=~/sisu_manifest.html/
           man_link=title.gsub(/sisu_manifest.html/,"../manifest/#{@file.base_filename.manifest}")
-          {:txt =>man_link}
-        else {:txt =>title}
+          { txt: man_link }
+        else { txt: title }
         end
         format_toc=SiSU_HTML_Format::Format_toc.new(@md,txt_obj)
         toc[:scr]=format_toc.lev4
@@ -454,12 +454,12 @@ WOK
           lnk_n_txt=%{  <a href="#{@md.fnl[:pre]}#{@@seg_url}#{@md.fnl[:mid]}#{Sfx[:html]}#{@md.fnl[:post]}##{ocn}">
     #{linkname}
   </a>}
-          txt_obj={:txt =>lnk_n_txt}
+          txt_obj={ txt: lnk_n_txt }
           format_toc=SiSU_HTML_Format::Format_toc.new(@md,txt_obj)
           toc[:seg]=format_toc.lev5
           toc[:seg_mini]=format_toc.mini_lev5
           title=%{#{p_num.goto}#{linkname}</a>}
-          txt_obj={:txt =>title}
+          txt_obj={ txt: title }
           format_toc=SiSU_HTML_Format::Format_toc.new(@md,txt_obj)
           toc[:scr]=format_toc.lev5
         end
@@ -475,12 +475,12 @@ WOK
           lnk_n_txt=%{  <a href="#{@md.fnl[:pre]}#{@@seg_url}#{@md.fnl[:mid]}#{Sfx[:html]}#{@md.fnl[:post]}##{ocn}">
   #{linkname}
 </a>}
-          txt_obj={:txt =>lnk_n_txt}
+          txt_obj={ txt: lnk_n_txt }
           format_toc=SiSU_HTML_Format::Format_toc.new(@md,txt_obj)
           toc[:seg]=format_toc.lev6
           toc[:seg_mini]=format_toc.mini_lev6
           title=%{#{p_num.goto}#{linkname}</a>}
-          txt_obj={:txt =>title}
+          txt_obj={ txt: title }
           format_toc=SiSU_HTML_Format::Format_toc.new(@md,txt_obj)
           toc[:scr]=format_toc.lev6
         end
@@ -542,14 +542,14 @@ WOK
         tmp_head=nil
         doc_title_endnote=@md.title.full.gsub(/(\*+)/,'<sup><a href="#endnotes">\1</a></sup>')
         tmp_head=doc_title_endnote + "\n"
-        txt_obj={:txt =>tmp_head}
+        txt_obj={ txt: tmp_head }
         format_txt_obj=SiSU_HTML_Format::Format_text_object.new(@md,txt_obj)
         toc_shared << format_txt_obj.center_bold
         @segtoc << format_txt_obj.center_bold
         if defined? @md.creator.author
           creator_endnote=@md.creator.author.gsub(/(\*+)/,%{&nbsp;<sup><a href="#notes">\\1</a></sup>})
           tmp_head=creator_endnote + "\n"
-          txt_obj={:txt =>tmp_head}
+          txt_obj={ txt: tmp_head }
           format_txt_obj=SiSU_HTML_Format::Format_text_object.new(@md,txt_obj)
           toc_shared << format_txt_obj.center_bold
           @segtoc << format_txt_obj.center_bold
diff --git a/lib/sisu/v3/html_minitoc.rb b/lib/sisu/v3/html_minitoc.rb
index dd3d760f..160881dd 100644
--- a/lib/sisu/v3/html_minitoc.rb
+++ b/lib/sisu/v3/html_minitoc.rb
@@ -118,7 +118,7 @@
           %{<b><a href="#{@md.fnl[:pre]}#{link}#{@md.fnl[:mid]}#{Sfx[:html]}#{@md.fnl[:post]}">#{txt.obj}</a></b>}
         end
         toc={}
-        txt_obj={:txt =>title}
+        txt_obj={ txt: title }
         format_toc=SiSU_HTML_Format::Format_toc.new(@md,txt_obj)
         toc_mini=if txt.name =~/^meta/ and txt.obj=~/Document Information/
           format_toc.mini_tail
@@ -132,14 +132,14 @@
         and txt.ocn !=0
           txt.obj.gsub!(@pat_strip_heading_name,'\1')
         end
-        txt_obj={:txt =>txt.obj}
+        txt_obj={ txt: txt.obj }
         format_toc=SiSU_HTML_Format::Format_toc.new(@md,txt_obj)
         toc_mini=format_toc.mini_lev2
         toc_mini
       end
       def level_3
         txt=@data
-        txt_obj={:txt =>txt.obj}
+        txt_obj={ txt: txt.obj }
         format_toc=SiSU_HTML_Format::Format_toc.new(@md,txt_obj)
         toc_mini=format_toc.mini_lev3
         toc_mini
@@ -157,7 +157,7 @@
               %{<a href="#{@md.fnl[:pre]}\\2#{@md.fnl[:mid]}#{Sfx[:html]}#{@md.fnl[:post]}" } +
               %{target="_top">\\1 \\2</a> })
           end
-          txt_obj={:txt =>seg_link}
+          txt_obj={ txt: seg_link }
           format_toc=SiSU_HTML_Format::Format_toc.new(@md,txt_obj)
           toc_mini=format_toc.mini_lev4
           toc_mini
@@ -173,7 +173,7 @@
           lnk_n_txt=%{  <a href="#{@md.fnl[:pre]}#{@@seg_url}#{@md.fnl[:mid]}#{Sfx[:html]}#{@md.fnl[:post]}##{txt.ocn}">
     #{txt.obj}
   </a>}
-          txt_obj={:txt =>lnk_n_txt}
+          txt_obj={ txt: lnk_n_txt }
           format_toc=SiSU_HTML_Format::Format_toc.new(@md,txt_obj)
           toc_mini=format_toc.mini_lev5
         toc_mini
@@ -188,7 +188,7 @@
           lnk_n_txt=%{  <a href="#{@md.fnl[:pre]}#{@@seg_url}#{@md.fnl[:mid]}#{Sfx[:html]}#{@md.fnl[:post]}##{txt.ocn}">
     #{txt.obj}
   </a>}
-          txt_obj={:txt =>lnk_n_txt}
+          txt_obj={ txt: lnk_n_txt }
           format_toc=SiSU_HTML_Format::Format_toc.new(@md,txt_obj)
           toc_mini=format_toc.mini_lev6
         toc_mini
diff --git a/lib/sisu/v3/html_scroll.rb b/lib/sisu/v3/html_scroll.rb
index f2327150..a6a1a763 100644
--- a/lib/sisu/v3/html_scroll.rb
+++ b/lib/sisu/v3/html_scroll.rb
@@ -79,7 +79,7 @@ module SiSU_HTML_scroll
     def markup
       data=@data
       @rcdc=false
-      @scr={ :body=>[],:metadata=>[],:owner_details=>[] }
+      @scr={ body: [], metadata: [], owner_details: [] }
       data.each do |dob|
         if defined? dob.name and dob.name =~/^meta/ \
         and dob.obj =~/Document Information/
diff --git a/lib/sisu/v3/html_segments.rb b/lib/sisu/v3/html_segments.rb
index 263d7399..5fcb6cf0 100644
--- a/lib/sisu/v3/html_segments.rb
+++ b/lib/sisu/v3/html_segments.rb
@@ -77,7 +77,7 @@ module SiSU_HTML_seg
           if @title_banner_
             @seg[:headings] << format_head_seg.title_banner(@md.title.main,@md.title.sub,@author)
           end
-          txt_obj={:txt =>'Endnotes',:ocn_display =>''}
+          txt_obj={ txt: 'Endnotes', ocn_display: '' }
           format_seg=SiSU_HTML_Format::Format_seg.new(@md,txt_obj)
           @seg[:headings] << format_seg.title_heading1
           filename_seg << @seg[:heading_endnotes] << @minitoc << @seg[:headings] << %{\n<div class="content">\n} << @seg[:endnote_all] << '</div>' # << '</div>'
@@ -87,7 +87,7 @@ module SiSU_HTML_seg
           if @title_banner_
             @seg[:headings] << format_head_seg.title_banner(@md.title.main,@md.title.sub,@author)
           end
-          txt_obj={:txt =>'Index',:ocn_display =>''}
+          txt_obj={ txt: 'Index', ocn_display: '' }
           format_seg=SiSU_HTML_Format::Format_seg.new(@md,txt_obj)
           @seg[:headings] << format_seg.title_heading1
           filename_seg << @seg[:heading_idx] << @minitoc << @seg[:headings] << %{\n<div class="content">\n} << @seg[:idx] << '</div>' # << '</div>'
@@ -98,7 +98,7 @@ module SiSU_HTML_seg
           if @title_banner_
             @seg[:headings] << format_head_seg.title_banner(@md.title.main,@md.title.sub,@author)
           end
-          txt_obj={:txt =>'Metadata',:ocn_display =>''}
+          txt_obj={ txt: 'Metadata', ocn_display: '' }
           format_seg=SiSU_HTML_Format::Format_seg.new(@md,txt_obj)
           @seg[:headings] << format_seg.title_heading1
           filename_seg << @seg[:heading_idx] << @minitoc << @seg[:headings] << %{\n<div class="content">\n} << metadata << '</div>' # << '</div>'
@@ -330,7 +330,7 @@ module SiSU_HTML_seg
         else ''
         end
         @p_num=SiSU_HTML_Format::Paragraph_number.new(@md,ocn)
-        txt_obj={:txt =>@@heading1,:ocn_display =>@p_num.ocn_display}
+        txt_obj={ txt: @@heading1, ocn_display: @p_num.ocn_display }
         format_seg=SiSU_HTML_Format::Format_seg.new(@md,txt_obj)
         @@seg[:headings] << format_seg.title_heading1.gsub(clean,'')
         @@heading1.gsub!(/&nbsp;<a name="-[\d*+]+" href="#_[\d*+]+">&nbsp;<sup>[\d*+]+<\/sup>&nbsp;<\/a>/,'')
@@ -341,7 +341,7 @@ module SiSU_HTML_seg
         else ''
         end
         @p_num=SiSU_HTML_Format::Paragraph_number.new(@md,ocn)
-        txt_obj={:txt =>heading2,:ocn_display =>@p_num.ocn_display}
+        txt_obj={ txt: heading2, ocn_display: @p_num.ocn_display }
         format_seg=SiSU_HTML_Format::Format_seg.new(@md,txt_obj)
         @@seg[:headings] << format_seg.title_heading2.gsub(clean,'')
         @@heading2.gsub!(/&nbsp;<a name="-[\d*+]+" href="#_[\d*+]+">&nbsp;<sup>[\d*+]+<\/sup>&nbsp;<\/a>/,'')
@@ -352,7 +352,7 @@ module SiSU_HTML_seg
         else ''
         end
         @p_num=SiSU_HTML_Format::Paragraph_number.new(@md,ocn)
-        txt_obj={:txt =>heading3,:ocn_display =>@p_num.ocn_display}
+        txt_obj={ txt: heading3, ocn_display: @p_num.ocn_display }
         format_seg=SiSU_HTML_Format::Format_seg.new(@md,txt_obj)
         @@seg[:headings] << format_seg.title_heading3.gsub(clean,'')
         @@heading3.gsub!(/&nbsp;<a name="-[\d*+]+" href="#_[\d*+]+">&nbsp;<sup>[\d*+]+<\/sup>&nbsp;<\/a>/,'')
@@ -363,7 +363,7 @@ module SiSU_HTML_seg
         else ''
         end
         @p_num=SiSU_HTML_Format::Paragraph_number.new(@md,ocn)
-        txt_obj={:txt =>heading4,:ocn_display =>@p_num.ocn_display}
+        txt_obj={ txt: heading4, ocn_display: @p_num.ocn_display }
         format_seg=SiSU_HTML_Format::Format_seg.new(@md,txt_obj)
         @@seg[:headings] << format_seg.title_heading4.gsub(clean,'')
       end
@@ -495,11 +495,11 @@ module SiSU_HTML_seg
         and dob.ln.to_s =~/^[56]/
           case dob.ln
           when 5
-            txt_obj={:txt =>dob.obj.strip,:ocn =>dob.ocn}
+            txt_obj={ txt: dob.obj.strip, ocn: dob.ocn }
             format_seg=SiSU_HTML_Format::Format_seg.new(@md,txt_obj)
             subtoc=format_seg.subtoc_lev5 #keep and make available, this is the subtoc
           when 6
-            txt_obj={:txt =>dob.obj.strip,:ocn =>dob.ocn}
+            txt_obj={ txt: dob.obj.strip, ocn: dob.ocn }
             format_seg=SiSU_HTML_Format::Format_seg.new(@md,txt_obj)
             subtoc=format_seg.subtoc_lev6 #keep and make available, this is the subtoc
           end
@@ -525,7 +525,7 @@ module SiSU_HTML_seg
               e_n=note_match_seg[/(?:#{Mx[:en_a_o]}[\d*+]+|#{Mx[:en_b_o]}[*+]\d+)\s+(.+?)(?:#{Mx[:en_a_c]}|#{Mx[:en_b_c]})/m,1]
               try=e_n.split(/<br \/>/)
               try.each do |e|
-                txt_obj={:txt =>e}
+                txt_obj={ txt: e }
                 format_seg=SiSU_HTML_Format::Format_seg.new(@md,txt_obj)
                 note_match=if e =~/#{Mx[:pa_o]}i[1-9]#{Mx[:pa_c]}/
                   format_seg.endnote_body_indent
@@ -538,7 +538,7 @@ module SiSU_HTML_seg
               m=/(?:#{Mx[:en_a_o]}[\d*+]+|#{Mx[:en_b_o]}[*+]\d+)\s+(.+?href=")(#-[\d*+]+".+)(?:#{Mx[:en_a_c]}|#{Mx[:en_b_c]})/mi
               endnote_part_a=note_match_seg[m,1]
               endnote_part_b=note_match_seg[m,2]
-              txt_obj={:endnote_part_a =>endnote_part_a,:endnote_part_b =>endnote_part_b}
+              txt_obj={ endnote_part_a: endnote_part_a, endnote_part_b: endnote_part_b }
               format_seg=SiSU_HTML_Format::Format_seg.new(@md,txt_obj)
               note_match_all_seg=format_seg.endnote_seg_body(@@fn) #BUG WATCH 200408
               @@seg[:endnote_all] << note_match_all_seg
diff --git a/lib/sisu/v3/manifest.rb b/lib/sisu/v3/manifest.rb
index 79e3eb8a..c496c8a6 100644
--- a/lib/sisu/v3/manifest.rb
+++ b/lib/sisu/v3/manifest.rb
@@ -99,7 +99,7 @@ module SiSU_Manifest
     private
     class Output_Info <Source
       def initialize(md)
-        @manifest={ :txt=>[],:html=>[] }
+        @manifest={ txt: [], html: [] }
         @md,@fns=md,md.fns
 #       @file=SiSU_Env::SiSU_file.new(@md)
         @env=SiSU_Env::Info_env.new(@md.fns)
diff --git a/lib/sisu/v3/manpage.rb b/lib/sisu/v3/manpage.rb
index 5c6bfd99..3810a969 100644
--- a/lib/sisu/v3/manpage.rb
+++ b/lib/sisu/v3/manpage.rb
@@ -100,7 +100,7 @@ module SiSU_Manpage
       require_relative 'defaults'                       # defaults.rb
       require_relative 'shared_txt'                     # shared_txt.rb
         include SiSU_text_utils
-      @@endnotes={ :para=>[],:end=>[] }
+      @@endnotes={ para: [], end: [] }
       def initialize(md,data)
         @md,@data=md,data
         @brace_url=SiSU_Viz::Skin.new.url_decoration
@@ -108,7 +108,7 @@ module SiSU_Manpage
         @tab="\t"
         @br="\n"
         @@dostype='unix endnotes'
-        @manpage={ :body=>[],:open=>[],:close=>[],:head=>[],:metadata=>[],:tail=>[],:endnotes=>[] }
+        @manpage={ body: [], open: [], close: [], head: [], metadata: [], tail: [], endnotes: [] }
       end
       def songsheet
         manpage=markup(@data)
@@ -398,7 +398,7 @@ WOK
         content << manpage[:metadata]
         content << manpage[:tail]
         Output.new(@md,content).manpage
-        @@endnotes={ :para=>[],:end=>[] }
+        @@endnotes={ para: [], end: [] }
       end
     end
     class Output <Source
diff --git a/lib/sisu/v3/odf.rb b/lib/sisu/v3/odf.rb
index 7ed00e21..f5a11bea 100644
--- a/lib/sisu/v3/odf.rb
+++ b/lib/sisu/v3/odf.rb
@@ -72,7 +72,7 @@ module SiSU_ODF
     require 'zlib'
     require 'find'
     require 'fileutils'
-    include FileUtils
+      include FileUtils
     def initialize(opt)
       @opt=opt
       @particulars=SiSU_Particulars::Combined_singleton.instance.get_all(opt)
@@ -104,7 +104,7 @@ module SiSU_ODF
       require_relative 'defaults'                       # defaults.rb
       require_relative 'shared_txt'                     # shared_txt.rb
       @@img_count=0
-      @@odf={ :body=>[],:open=>[],:close=>[],:head=>[],:metadata=>[],:tail=>[],:endnotes=>[] }
+      @@odf={ body: [], open: [], close: [], head: [], metadata: [], tail: [], endnotes: [] }
       @@docstart=true
       @@fns=nil
       def initialize(particulars)
diff --git a/lib/sisu/v3/options.rb b/lib/sisu/v3/options.rb
index ebb39774..a79b08f3 100644
--- a/lib/sisu/v3/options.rb
+++ b/lib/sisu/v3/options.rb
@@ -158,10 +158,10 @@ module SiSU_commandline
             u=/.+?\/([^\/]+)(?:(?:\/(?:en|fr|es)$)|$)/
             t=/.+\/(en|fr|es)/
             f_pths << {
-              :pth => pt.split[0].realpath.to_s,
-              :f => pt.split[1].to_s,
-              :pth_stub => pt.split[0].realpath.to_s[u,1],
-              :lng => (pt.split[0].realpath.to_s[t,1]) \
+              pth: pt.split[0].realpath.to_s,
+              f: pt.split[1].to_s,
+              pth_stub: pt.split[0].realpath.to_s[u,1],
+              lng: (pt.split[0].realpath.to_s[t,1]) \
                 ? pt.split[0].realpath.to_s[t,1] \
                 : nil
             }
diff --git a/lib/sisu/v3/param.rb b/lib/sisu/v3/param.rb
index 5d4c3daa..67716685 100644
--- a/lib/sisu/v3/param.rb
+++ b/lib/sisu/v3/param.rb
@@ -67,7 +67,7 @@ module SiSU_Param
   @@date=SiSU_Env::Info_date.new
   @@symlnk=Create_system_link.new
   @@proc=@@filename_txt=@@filename_texinfo=@@filename_lout_portrait=@@filename_lout_landscape=@@filename_html_scroll=@@filename_html_index=@@filename_html_segtoc=@@filename_semantic=@@filename_rss=@@newfile=@@drr=nil
-  @doc={ :initialise=>nil,:markup=>'',:lnks=>'',:stmp=>'',:req=>{} }
+  @doc={ initialise: nil, markup: '', lnks: '', stmp: '', req: {} }
   @@yaml=@@yamladdr=nil
   @@trigger=nil
   @@lv,@@flag={},{}
@@ -184,13 +184,13 @@ module SiSU_Param
           authors.each_with_index do |a,i|
             b=((a =~/\s*\|\s*/) ? (a.split(/\|/)) : [a])
             if b[0] =~/"(.+?)"/
-              @name_a_h << { :the => $1 }
+              @name_a_h << { the: $1 }
             else
               x=b[0].scan(/[^,]+/)
               if x.length==1
-                @name_a_h << { :the => x[0].strip }
+                @name_a_h << { the: x[0].strip }
               elsif x.length==2
-                @name_a_h << { :the => x[0].strip, :others => x[1].strip }
+                @name_a_h << { the: x[0].strip, others: x[1].strip }
               else #p x.length
               end
             end
@@ -214,7 +214,7 @@ module SiSU_Param
               "#{a[:the].strip}" + z
             end
           end
-          {:name_a_h =>@name_a_h,:name_str =>name_str}
+          { name_a_h: @name_a_h, name_str: name_str }
         else nil
         end
       end
@@ -664,7 +664,7 @@ module SiSU_Param
             page_new=x[/(:?[\dA-C],?)+/] if x=~/new|clear/
             page_break=x[/(:?[\dA-C],?)+/] if x =~/break/
           end
-          {:page_new =>page_new, :page_break =>page_break}
+          { page_new: page_new, page_break: page_break }
         end
         def language
           l=if @h['language'] && (@h['language']=~/\S{2,}/)
@@ -682,7 +682,7 @@ module SiSU_Param
             m.gsub!(/\(/,'(?:')                                         # avoid need to escape use of brackets within regex provided
             rgx='\b(' + m + ')\b'
             y=((x =~/i/) ? (/#{rgx}/i) : (/#{rgx}/))
-            { :str =>'\b(?:' + m + ')\b', :regx => y }
+            { str: '\b(?:' + m + ')\b', regx: y }
           else nil
           end
           z
@@ -695,7 +695,7 @@ module SiSU_Param
             m.gsub!(/\(/,'(?:')                                         # avoid need to escape use of brackets within regex provided
             rgx='\b(' + m + ')\b'
             y=((x =~/i/) ? (/#{rgx}/i) : (/#{rgx}/))
-            { :str =>'\b(?:' + m + ')\b', :regx => y }
+            { str: '\b(?:' + m + ')\b', regx: y }
           else nil
           end
           z
@@ -827,7 +827,7 @@ module SiSU_Param
       end
     end
     class Instructions
-      @doc={ :lv=>[] }
+      @doc={ lv: [] }
       @doc[:fns],@doc[:fnb],@doc[:scr_suffix]='','',''
       @@publisher='SiSU scribe'
       attr_accessor :cmd,:make,:mod,:env,:path,:file,:fn,:fns,:fnb,:fnn,:fnt,:fnl,:flv,:fnz,:fnstex,:ocn,:sfx_src,:pdf,:file_type,:dir_out,:dir_tex,:dir_lout,:txt_path,:site_skin,:sisu,:sisu_version,:ruby_version,:title,:subtitle,:full_title,:html_title,:subtitle_tex,:creator,:classify,:author_home,:author,:author_title,:author_nationality,:authors,:authorship,:translator,:illustrator,:prepared_by,:digitized_by,:subject,:description,:publisher,:current_publisher,:contributor,:date,:date_created,:date_issued,:date_available,:date_valid,:date_modified,:date_translated,:date_added_to_site,:date_scheme,:date_created_scheme,:date_issued_scheme,:date_available_scheme,:date_valid_scheme,:date_modified_scheme,:type,:format,:identifier,:source,:language,:language_original,:relation,:coverage,:rights,:keywords,:comments,:abstract,:cls_loc,:cls_dewey,:cls_pg,:cls_isbn,:papersize,:papersize_array,:toc,:lv1,:lv2,:lv3,:lv4,:lv5,:lv6,:lvs,:pagenew,:pagebreak,:num_top,:toc_lev_limit,:flag_endnotes,:flag_auto_endnotes,:flag_separate_endnotes,:flag_separate_endnotes_make,:markup,:markup_instruction,:markup_version,:markup_declared,:flag_tables,:vocabulary,:doc_skin,:doc_css,:yaml,:lnk,:links,:prefix_a,:prefix_b,:suffix,:information,:contact,:icon,:image,:ad_url,:ad_png,:ad_alt,:ad_began,:flag_promo,:promo,:ad_home,:stmp,:stmpd,:sc_filename,:sc_number,:sc_date,:sc_time,:sc_info,:yamladdr,:locale,:wc_lines,:wc_words,:wc_bytes,:file_encoding,:filesize,:user,:home,:hostname,:pwd,:firstseg,:programs,:author_copymark,:i18n,:lang,:en,:notes,:dgst,:dgst_skin,:generated,:tags,:tag_array,:concord_make,:seg_names,:seg_autoname_safe,:set_header_title,:set_heading_top,:set_heading_seg,:heading_seg_first,:heading_seg_first_flag,:base_program,:ec,:opt,:sem_tag,:book_idx,:topic_register,:topic_register_array,:original,:writing_focus,:audio,:daisy
@@ -865,7 +865,7 @@ module SiSU_Param
       def extract
         @user,@home,@hostname,@pwd=ENV['USER'],ENV['HOME'],ENV['HOSTNAME'],ENV['PWD']
         @programs,@wc,@language,@language_original={},{},{},{}
-        @en={ :sum=>0,:mark=>0,:note=>0,:mismatch=>0 }
+        @en={ sum: 0, mark: 0, note: 0, mismatch: 0 }
         @prog=SiSU_Env::Info_settings.new
         @sys=SiSU_Env::System_call.new
         @env=SiSU_Env::Info_env.new(@fns) #watch
@@ -1253,7 +1253,7 @@ module SiSU_Param
         @fnl=@env.i18n.lang_filename(fn_set_lang[:c])
         @flv.each do |l|
           lang=SiSU_Env::Standardise_language.new.file_to_language(l)
-          c={ :a=>'',:b=>'',:c=>'' }
+          c={ a: '', b: '', c: '' }
           if @fnl[:pre] =~/\S/;     c[:a]="#{lang[:c]}."
           elsif @fnl[:mid] =~/\S/;  c[:b]=".#{lang[:c]}"
           elsif @fnl[:post] =~/\S/; c[:c]=".#{lang[:c]}"
@@ -1390,9 +1390,9 @@ module SiSU_Param
       @@symlnk=SiSU_Env::Create_system_link.new
       @@proc=@@filename_txt=@@filename_texinfo=@@filename_lout_portrait=@@filename_lout_landscape=@@filename_html_scroll=@@filename_html_index=@@filename_html_segtoc=@@filename_semantic=@@filename_rss=@@newfile=@@drr=nil
       @doc={
-       :initialise=>nil,
-       :markup=>'',:lnks=>'',:stmp=>'',:prefix_a=>'',:prefix_b=>'',
-       :req=>{}
+       initialise: nil,
+       markup: '', lnks: '', stmp: '', prefix_a: '', prefix_b: '',
+       req: {}
       }
       @@yaml=@@yamladdr=nil
       @@flag={}
diff --git a/lib/sisu/v3/plaintext.rb b/lib/sisu/v3/plaintext.rb
index 8ed1c3cd..8ff64b30 100644
--- a/lib/sisu/v3/plaintext.rb
+++ b/lib/sisu/v3/plaintext.rb
@@ -112,7 +112,7 @@ module SiSU_Plaintext
       require_relative 'defaults'                       # defaults.rb
       require_relative 'shared_txt'                     # shared_txt.rb
       include SiSU_text_utils
-      @@endnotes={ :para=>[],:end=>[] }
+      @@endnotes={ para: [], end: [] }
       def initialize(data,md,wrap_width)
         @data,@md,@wrap_width=data,md,wrap_width
         @env=SiSU_Env::Info_env.new(@md.fns)
@@ -128,7 +128,7 @@ module SiSU_Plaintext
         when /--unix/; "\n"
         else "\n"
         end
-        @plaintext={ :body=>[],:open=>[],:close=>[],:head=>[],:metadata=>[],:tail=>[] }
+        @plaintext={ body: [], open: [], close: [], head: [], metadata: [], tail: [] }
       end
       def songsheet
         plaintext=markup(@data)
@@ -385,7 +385,7 @@ WOK
         content << "#{@br}#{divider*@wrap_width}#{@br}" if @md.stmp =~/\w+/ #not used?
         content << plaintext[:tail]
         Output.new(content,@md).plaintext
-        @@endnotes={ :para=>[],:end=>[] }
+        @@endnotes={ para: [], end: [] }
       end
     end
     class Output <Source
diff --git a/lib/sisu/v3/po4a.rb b/lib/sisu/v3/po4a.rb
index 9ac98f00..ba892634 100644
--- a/lib/sisu/v3/po4a.rb
+++ b/lib/sisu/v3/po4a.rb
@@ -163,7 +163,7 @@ module SiSU_po4a
       require_relative 'defaults'                       # defaults.rb
       require_relative 'po4a_set'                       # po4a_set.rb
       include SiSU_po4a_utils
-      @@endnotes={ :para=>[],:end=>[] }
+      @@endnotes={ para: [], end: [] }
       def initialize(fn,data_src,data_trn,md_src,md_trn,wrap_width)
         @fn,@data_src,@data_trn,@md_src,@md_trn,@wrap_width=fn,data_src,data_trn,md_src,md_trn,wrap_width
         @md=(md_trn.nil?) \
@@ -174,7 +174,7 @@ module SiSU_po4a
         @tab="\t"
         @@endnotes_=(@md.mod.inspect =~/--endnote/) ? true : false    # --footnote
         @br=(@md.mod.inspect =~/--dos/) ? "\r\n" : "\n"               # --unix
-        @pot={ :body=>[],:open=>[],:close=>[],:head=>[],:metadata=>[],:tail=>[] }
+        @pot={ body: [], open: [], close: [], head: [], metadata: [], tail: [] }
       end
       def songsheet
 ############## BUG @fn changes value
@@ -905,7 +905,7 @@ GSUB
         content << pot[:body]
         content << @@endnotes[:end] if @@endnotes_
         Output.new(fn,content,@md).po4a
-        @@endnotes={ :para=>[],:end=>[] }
+        @@endnotes={ para: [], end: [] }
       end
     end
     class Output <Source
diff --git a/lib/sisu/v3/shared_html_lite.rb b/lib/sisu/v3/shared_html_lite.rb
index 09d27a45..fca0cfb8 100644
--- a/lib/sisu/v3/shared_html_lite.rb
+++ b/lib/sisu/v3/shared_html_lite.rb
@@ -204,36 +204,36 @@ GSUB
       %{<p class="toc#{@lv}" header="#{@hname}"><a href="##{@ocn}">#{@txt}</a></p>\n}  #<< "\n"
     end
     def lev_toc
-      h={:txt =>txt,:class =>"toc#{@lv}",:type =>'toc'}
+      h={ txt: txt, class: "toc#{@lv}", type: 'toc' }
       tag_para(h)
     end
     def lev4_plus
       txt=markup_object(@t_o)
-      h={:txt =>txt,:class =>"h#{@lv}",:type =>'substantive',:id =>@ocn,:header =>@hname}
+      h={ txt: txt, class: "h#{@lv}", type: 'substantive', id: @ocn, header: @hname }
       tag_header(h)
     end
     def lev4_minus
       txt=markup_object(@t_o)
-      h={:txt =>txt,:class =>"h#{@t_o.ln}",:type =>'substantive',:id =>@ocn}
+      h={ txt: txt, class: "h#{@t_o.ln}", type: 'substantive', id: @ocn }
       tag_para(h)
     end
     def norm_comment
-      h={:txt =>@t_o.obj,:class =>'norm',:type =>'comment'}
+      h={ txt: @t_o.obj, class: 'norm', type: 'comment' }
       tag_para(h)
     end
     def norm
       txt=markup_object(@t_o)
-      h={:txt =>txt,:class =>'norm',:type =>'substantive',:id =>@ocn}
+      h={ txt: txt, class: 'norm', type: 'substantive', id: @ocn }
       tag_para(h)
     end
     def code
       txt=markup_object(@t_o)
-      h={:txt =>"<tt>#{txt}</tt>",:class =>'code',:type =>'substantive',:id =>@ocn}
+      h={ txt: "<tt>#{txt}</tt>", class: 'code', type: 'substantive', id: @ocn }
       tag_para(h)
     end
     def indent(t)
       txt=markup_object(@t_o)
-      h={:txt =>txt,:class =>"indent#{t}",:type =>'substantive',:id =>@ocn}
+      h={ txt: txt, class: "indent#{t}", type: 'substantive', id: @ocn }
       tag_para(h)
     end
     def para_table
diff --git a/lib/sisu/v3/shared_markup_alt.rb b/lib/sisu/v3/shared_markup_alt.rb
index 55f2065d..738ec75a 100644
--- a/lib/sisu/v3/shared_markup_alt.rb
+++ b/lib/sisu/v3/shared_markup_alt.rb
@@ -4,7 +4,6 @@
  * Name: SiSU
 
  * Description: a framework for document structuring, publishing and search
-   #___#
 
  * Author: Ralph Amissah
 
@@ -227,7 +226,7 @@ module SiSU_text_representation
       def dgst
         en_dgst,img_dgst={},{}
         txt_dgst=digest(txt)
-        {:txt=>txt,:dgst_txt=>txt_dgst}
+        { txt: txt, dgst_txt: txt_dgst }
       end
       self
     end
@@ -237,7 +236,7 @@ module SiSU_text_representation
       end
       def dgst
         txt_dgst=digest(txt)
-        {:txt=>txt,:dgst_txt=>txt_dgst}
+        { txt: txt, dgst_txt: txt_dgst }
       end
       self
     end
@@ -275,7 +274,7 @@ module SiSU_text_representation
                image_name = i + ' [image missing]'
                image_dgst = ''
              end
-             line_image << {:img_dgst=>image_dgst[1],:img_name=>image_name,:img_type=>img_type}
+             line_image << { img_dgst: image_dgst[1], img_name: image_name, img_type: img_type }
            end
         end
         line_image
@@ -287,7 +286,7 @@ module SiSU_text_representation
              note_no=e.gsub(/^([\d*+]+)\s+.+/,'\1')
              e=digest(stripped_clean(e))
              note_dgst=digest(e)
-             en_dgst << {:note_number=>note_no,:note_dgst=>note_dgst}
+             en_dgst << { note_number: note_no, note_dgst: note_dgst }
           end
         end
         en_dgst
@@ -307,7 +306,7 @@ module SiSU_text_representation
             imgs=@t_o.obj.scan(rgx_image).flatten
             line_image=images(imgs)
           end
-          dgst={:is=>@t_o.is,:ocn=>@t_o.ocn,:dgst_stripped_txt=>txt_stripped_dgst,:dgst_markedup_txt=>txt_markup_reverted_dgst}
+          dgst={ is: @t_o.is, ocn: @t_o.ocn, dgst_stripped_txt: txt_stripped_dgst, dgst_markedup_txt: txt_markup_reverted_dgst }
           dgst[:endnotes]=endnotes_dgst if endnotes_dgst and endnotes_dgst.length > 0
           dgst[:images]=line_image if line_image and line_image.length > 0
         end
diff --git a/lib/sisu/v3/shared_xml.rb b/lib/sisu/v3/shared_xml.rb
index 1d06b72e..06b89395 100644
--- a/lib/sisu/v3/shared_xml.rb
+++ b/lib/sisu/v3/shared_xml.rb
@@ -70,39 +70,39 @@ module SiSU_XML_munge
     def semantic_tags
       def default
         {
-          :pub =>   'publication',
-          :conv =>  'convention',
-          :vol =>   'volume',
-          :pg =>    'page',
-          :cty =>   'city',
-          :org =>   'organization',
-          :uni =>   'university',
-          :dept =>  'department',
-          :fac =>   'faculty',
-          :inst =>  'institute',
-          :co =>    'company',
-          :com =>   'company',
-          :conv =>  'convention',
-          :dt =>    'date',
-          :y =>     'year',
-          :m =>     'month',
-          :d =>     'day',
-          :ti =>    'title',
-          :au =>    'author',
-          :ed =>    'editor', #editor?
-          :v =>     'version', #edition
-          :n =>     'name',
-          :fn =>    'firstname',
-          :mn =>    'middlename',
-          :ln =>    'lastname',
-          :in =>    'initials',
-          :qt =>    'quote',
-          :ct =>    'cite',
-          :ref =>   'reference',
-          :ab =>    'abreviation',
-          :def =>   'define',
-          :desc =>  'description',
-          :trans => 'translate',
+          pub:   'publication',
+          conv:  'convention',
+          vol:   'volume',
+          pg:    'page',
+          cty:   'city',
+          org:   'organization',
+          uni:   'university',
+          dept:  'department',
+          fac:   'faculty',
+          inst:  'institute',
+          co:    'company',
+          com:   'company',
+          conv:  'convention',
+          dt:    'date',
+          y:     'year',
+          m:     'month',
+          d:     'day',
+          ti:    'title',
+          au:    'author',
+          ed:    'editor', #editor?
+          v:     'version', #edition
+          n:     'name',
+          fn:    'firstname',
+          mn:    'middlename',
+          ln:    'lastname',
+          in:    'initials',
+          qt:    'quote',
+          ct:    'cite',
+          ref:   'reference',
+          ab:    'abreviation',
+          def:   'define',
+          desc:  'description',
+          trans: 'translate',
         }
       end
       self
diff --git a/lib/sisu/v3/sst_to_s_xml_sax.rb b/lib/sisu/v3/sst_to_s_xml_sax.rb
index ee38d9a7..e698a8f9 100644
--- a/lib/sisu/v3/sst_to_s_xml_sax.rb
+++ b/lib/sisu/v3/sst_to_s_xml_sax.rb
@@ -131,7 +131,7 @@ module SiSU_simple_xml_model_sax
       require_relative 'shared_txt'                     # shared_txt.rb
       require_relative 'css'                            # css.rb
         include SiSU_text_utils
-      @@xml={ :body=>[],:open=>[],:close=>[],:head=>[] }
+      @@xml={ body: [], open: [], close: [], head: [] }
       def initialize(data='',particulars='')
         @data,@env,@md=data,particulars.env,particulars.md
         @vz=SiSU_Env::Get_init.instance.skin
diff --git a/lib/sisu/v3/sysenv.rb b/lib/sisu/v3/sysenv.rb
index ba401cfa..dc042aad 100644
--- a/lib/sisu/v3/sysenv.rb
+++ b/lib/sisu/v3/sysenv.rb
@@ -269,7 +269,7 @@ module SiSU_Env
     include Singleton
     @@noyaml=false
     @@rc,@@sisurc_path,@@vz,@@tx=nil,nil,nil,nil
-    @@ad={ :promo=>nil,:promo_list=>nil,:flag_promo=>false }
+    @@ad={ promo: nil, promo_list: nil, flag_promo: false }
     attr_accessor :yaml
     def initialize
       super()
@@ -493,7 +493,7 @@ module SiSU_Env
       if FileTest.file?("#{@fn[:m]}.#{@fn[:t]}"); x << "#{@fn[:m]}.#{@fn[:t]}"
       end
       dir=SiSU_Env::Info_env.new(@fns)
-      @m << {:m => 'sisu_manifest.html', :l => 'English' } #fix later, default language
+      @m << { m: 'sisu_manifest.html', l: 'English' } #fix later, default language
       langs.each do |l|
         lng=SiSU_Env::Standardise_language.new(l)
         fns_c="#{@fn[:m]}~#{lng.code}.#{@fn[:t]}"
@@ -502,12 +502,12 @@ module SiSU_Env
           fn_set_lang=SiSU_Env::Standardise_language.new.file_to_language(fns_c)
           lng=fn_set_lang[:l]
           fn=SiSU_Env::Env_call.new(fns_c).lang(fn_set_lang[:c])
-          @m << {:m => fn[:manifest], :l => lng }
+          @m << { m: fn[:manifest], l: lng }
         elsif FileTest.file?(fns_l)
           fn_set_lang=SiSU_Env::Standardise_language.new.file_to_language(fns_l)
           @fnl=dir.i18n.lang_filename(fn_set_lang[:c])
           fn=SiSU_Env::Env_call.new(fns_l).lang(fn_set_lang[:c])
-          @m << {:m => fn[:manifest], :l => lng }
+          @m << { m: fn[:manifest], l: lng }
         end
       end
       @m.uniq!
@@ -523,48 +523,48 @@ module SiSU_Env
     end
     def lang(code)
       @fn={
-        :html            => filename(code,'','.html'),
-        :book_index      => filename(code,'book_index','.html'),
-        :concordance     => filename(code,'concordance','.html'),
-        :sax             => filename(code,'sax','.xml'),
-        :dom             => filename(code,'dom','.xml'),
-        :docbook         => filename(code,'docbook','.xml'),
-        :xhtml           => filename(code,'scroll','.xhtml'),
-        :pdf_l           => filename(code,'','.pdf'),
-        :pdf_p           => filename(code,'','.pdf'),
-        :pdf_l_a4        => filename(code,"a4",'.pdf'),
-        :pdf_p_a4        => filename(code,"a4",'.pdf'),
-        :pdf_l_a5        => filename(code,"a5",'.pdf'),
-        :pdf_p_a5        => filename(code,"a5",'.pdf'),
-        :pdf_l_b5        => filename(code,"b5",'.pdf'),
-        :pdf_p_b5        => filename(code,"b5",'.pdf'),
-        :pdf_l_letter    => filename(code,"letter",'.pdf'),
-        :pdf_p_letter    => filename(code,"letter",'.pdf'),
-        :pdf_l_legal     => filename(code,"legal",'.pdf'),
-        :pdf_p_legal     => filename(code,"legal",'.pdf'),
-        :toc             => filename(code,'toc','.html'),
-        :doc             => filename(code,fnb,'.html'),
-        :index           => filename(code,'index','.html'),
-        :po              => filename(code,@fns,'.po'),
-        :pot             => filename(code,@fns,'.pot'),
-        :odf             => filename(code,'','.odt'),
-        :epub            => filename(code,'','.epub'),
-        :plain           => filename(code,'','.txt'),
-        :manpage         => filename(code,'','.1'),          #fix, section number
-        :wiki            => filename(code,'wiki','.txt'),
-        :digest          => filename(code,'digest','.txt'),
-        :metadata        => filename(code,'metadata','.html'), #chk
-        :manifest        => filename(code,'manifest','.html'),
-        :oai_pmh         => filename(code,'oai_pmh','.xml'),
-        :sitemap         => filename(code,'sitemap','.xml'),
-        :sitemap_touch   => filename(code,"sitemap_#{fnb}",'.xml'),
-        :sxs             => filename(code,fnb,'.sxs.xml'),
-        :sxd             => filename(code,fnb,'.sxd.xml'),
-        :sxn             => filename(code,fnb,'.sxn.xml'),
-        :sisupod         => filename(nil,@fnz,''),
-        :book_idx_html   => filename(code,'book_index','.html'),
-        :book_idx_epub   => filename(code,'book_index','.xhtml'),
-        :epub_concord    => filename(code,'concordance','.xhtml'),
+        html:            filename(code,'','.html'),
+        book_index:      filename(code,'book_index','.html'),
+        concordance:     filename(code,'concordance','.html'),
+        sax:             filename(code,'sax','.xml'),
+        dom:             filename(code,'dom','.xml'),
+        docbook:         filename(code,'docbook','.xml'),
+        xhtml:           filename(code,'scroll','.xhtml'),
+        pdf_l:           filename(code,'','.pdf'),
+        pdf_p:           filename(code,'','.pdf'),
+        pdf_l_a4:        filename(code,"a4",'.pdf'),
+        pdf_p_a4:        filename(code,"a4",'.pdf'),
+        pdf_l_a5:        filename(code,"a5",'.pdf'),
+        pdf_p_a5:        filename(code,"a5",'.pdf'),
+        pdf_l_b5:        filename(code,"b5",'.pdf'),
+        pdf_p_b5:        filename(code,"b5",'.pdf'),
+        pdf_l_letter:    filename(code,"letter",'.pdf'),
+        pdf_p_letter:    filename(code,"letter",'.pdf'),
+        pdf_l_legal:     filename(code,"legal",'.pdf'),
+        pdf_p_legal:     filename(code,"legal",'.pdf'),
+        toc:             filename(code,'toc','.html'),
+        doc:             filename(code,fnb,'.html'),
+        index:           filename(code,'index','.html'),
+        po:              filename(code,@fns,'.po'),
+        pot:             filename(code,@fns,'.pot'),
+        odf:             filename(code,'','.odt'),
+        epub:            filename(code,'','.epub'),
+        plain:           filename(code,'','.txt'),
+        manpage:         filename(code,'','.1'),          #fix, section number
+        wiki:            filename(code,'wiki','.txt'),
+        digest:          filename(code,'digest','.txt'),
+        metadata:        filename(code,'metadata','.html'), #chk
+        manifest:        filename(code,'manifest','.html'),
+        oai_pmh:         filename(code,'oai_pmh','.xml'),
+        sitemap:         filename(code,'sitemap','.xml'),
+        sitemap_touch:   filename(code,"sitemap_#{fnb}",'.xml'),
+        sxs:             filename(code,fnb,'.sxs.xml'),
+        sxd:             filename(code,fnb,'.sxd.xml'),
+        sxn:             filename(code,fnb,'.sxn.xml'),
+        sisupod:         filename(nil,@fnz,''),
+        book_idx_html:   filename(code,'book_index','.html'),
+        book_idx_epub:   filename(code,'book_index','.xhtml'),
+        epub_concord:    filename(code,'concordance','.xhtml'),
       }
       @fn
     end
@@ -1043,7 +1043,7 @@ module SiSU_Env
       @rc=SiSU_Env::Get_init.instance.sisu_yaml.rc
       @ad=SiSU_Env::Get_init.instance.ads
       @vz=SiSU_Env::Get_init.instance.skin
-      @flag={ :ad=>false,:md=>false,:sk=>false,:rc=>false }
+      @flag={ ad: false, md: false, sk: false, rc: false }
       def promo?
         @flag[:ad]=if @md.flag_promo && @ad[:flag_promo]
           @flag[:md]=true
@@ -1221,7 +1221,7 @@ WOK
     def widget_static
       @rc=SiSU_Env::Get_init.instance.sisu_yaml.rc
       @vz=SiSU_Env::Get_init.instance.skin
-      @flag={ :ad=>false,:md=>false,:sk=>false,:rc=>false }
+      @flag={ ad: false, md: false, sk: false, rc: false }
       def search?
         flag=if defined? @rc['search'] \
         and defined? @rc['search']['sisu'] \
diff --git a/lib/sisu/v3/texpdf.rb b/lib/sisu/v3/texpdf.rb
index 0843f22f..31300f8f 100644
--- a/lib/sisu/v3/texpdf.rb
+++ b/lib/sisu/v3/texpdf.rb
@@ -265,12 +265,12 @@ module SiSU_TeX
     end
     class LaTeX_create
       @@tex_head={
-        'a4'=>    {:p => nil, :l => nil},
-        'a5'=>    {:p => nil, :l => nil},
-        'b5'=>    {:p => nil, :l => nil},
-        'letter'=>{:p => nil, :l => nil},
-        'legal'=> {:p => nil, :l => nil},
-        'book'=>  {:p => nil, :l => nil}
+        'a4'=>    { p: nil, l: nil },
+        'a5'=>    { p: nil, l: nil },
+        'b5'=>    { p: nil, l: nil },
+        'letter'=>{ p: nil, l: nil },
+        'legal'=> { p: nil, l: nil },
+        'book'=>  { p: nil, l: nil }
       }
       @@prefix_b=nil
       def initialize(particulars)
@@ -278,7 +278,7 @@ module SiSU_TeX
         @md=@particulars.md
         @env=SiSU_Env::Info_env.new(@md.fns) #@env=@particulars.env
         @data=@particulars.dal_array # dal file drawn here
-        @st={ :tex=>{} }
+        @st={ tex: {} }
         @tex_ml=SiSU_TeX_Pdf::Use_TeX.new(@md)
         @vz=SiSU_Env::Get_init.instance.skin
         @dp=@@dp ||=SiSU_Env::Info_env.new.digest.pattern
@@ -373,14 +373,14 @@ module SiSU_TeX
         @block={}
         @dob=dob
         @md.papersize_array.each do |ps|
-          @@tableheader={ ps => { :p => 0, :l => 0 }}
-          dob.tmp={:tmp =>dob.tmp,:paper_size =>ps}
+          @@tableheader={ ps => { p: 0, l: 0 } }
+          dob.tmp={ tmp: dob.tmp, paper_size: ps }
           format_l=SiSU_TeX_Pdf::Format_text_object.new(md,dob)
-          dob.tmp={:tmp =>dob.tmp,:paper_size =>ps}
+          dob.tmp={ tmp: dob.tmp, paper_size: ps }
           format_p=SiSU_TeX_Pdf::Format_text_object.new(md,dob)
           @block[ps]={
-            :l => format_l.longtable_landscape,
-            :p => format_p.longtable_portrait
+            l: format_l.longtable_landscape,
+            p: format_p.longtable_portrait
           }
         end
         @dob.tmp=@block
@@ -403,7 +403,7 @@ module SiSU_TeX
       end
       def markup_common(dob)
         tex_f=nil
-        txt_obj={:dal =>dob}
+        txt_obj={ dal: dob }
         if dob.of=='block'
           @lineone=case dob.is
           when /block|group|alt|verse/
@@ -499,7 +499,7 @@ module SiSU_TeX
                 '\begin{multicols}{2}' + br +
                 idx_str + br +
                 '\end{multicols}'
-              dob.tmp={:l =>l,:p =>p}
+              dob.tmp={ l: l, p: p }
             elsif dob.ln==2 \
             and dob.obj=~/Metadata\b/
               tst.heading_major
@@ -508,7 +508,7 @@ module SiSU_TeX
               h=tst.level4
               metadata=Metadata::TeX_metadata.new(@md).metadata_tex
               dob.tmp=h.tmp + ' ' + '\begin{scriptsize}' + metadata.join(br) + '\end{scriptsize}'
-            else dob.tmp='' # dob.tmp={:l =>'',:p =>''}
+            else dob.tmp='' # dob.tmp={ l: '', p: '' }
             end
           when 'para'
             if dob.bullet_
@@ -557,9 +557,9 @@ module SiSU_TeX
         home=@vz.txt_home.gsub(/#{Mx[:br_line]}|#{Mx[:br_nl]}|#{Mx[:br_paragraph]}|\\\\/,' - ') #no line splitting in heading neither html nor latex
         title=@md.title.full.gsub(/#{Mx[:br_line]}|#{Mx[:br_nl]}|#{Mx[:br_paragraph]}|\\\\/,' - ') #no line splitting in heading neither html nor latex
         @md.papersize_array.each do |ps|
-          txt_obj={:txt =>"#{home}: - #{title}",:paper_size =>ps,:orientation =>'portrait'}
+          txt_obj={ txt: "#{home}: - #{title}", paper_size: ps, orientation: 'portrait' }
           orient_portrait=SiSU_TeX_Pdf::Format_head.new(@md,txt_obj)
-          txt_obj={:txt =>"#{home}: - #{title}",:paper_size =>ps,:orientation =>'landscape'}
+          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
@@ -587,7 +587,7 @@ WOK
         end
         @copymark='' #check and remove as now is superflous
         x={}
-        txt_obj={:title =>@md.title.full}
+        txt_obj={ title: @md.title.full }
         x[:l]=SiSU_TeX_Pdf::Format_text_object.new(@md,txt_obj).title_landscape
         x[:p]=SiSU_TeX_Pdf::Format_text_object.new(@md,txt_obj).title_portrait
         @tex_file << x
@@ -653,8 +653,8 @@ WOK
                 if dob.tmp[ps]
                   if (dob.tmp[ps][:p] and dob.tmp[ps][:l])
                     dob.tmp[ps]={
-                      :p => markup_common(dob.tmp[ps][:p]),
-                      :l => markup_common(dob.tmp[ps][:l])
+                      p: markup_common(dob.tmp[ps][:p]),
+                      l: markup_common(dob.tmp[ps][:l])
                     }
                   else p "#{__FILE__}:#{__LINE__}" if @md.cmd.inspect =~/M/
                   end
@@ -663,8 +663,8 @@ WOK
             elsif dob.tmp.class==Hash \
             and (dob.tmp[:p] and dob.tmp[:l])
               dob = {
-                :p => markup_common(dob.tmp[:p]),
-                :l => markup_common(dob.tmp[:l])
+                p: markup_common(dob.tmp[:p]),
+                l: markup_common(dob.tmp[:l])
               }
             else p "#{__FILE__}:#{__LINE__}" if @md.cmd.inspect =~/M/
             end
@@ -721,8 +721,8 @@ WOK
                 if defined? dob.tmp and dob.tmp[ps]
                   if (dob.tmp[ps][:p] and dob.tmp[ps][:l])
                     para_hash[ps]={
-                      :p => number_paras_numbering(dob.tmp[ps][:p]),
-                      :l => number_paras_numbering(dob.tmp[ps][:l])
+                      p: number_paras_numbering(dob.tmp[ps][:p]),
+                      l: number_paras_numbering(dob.tmp[ps][:l])
                     }
                     dob.tmp=para_hash
                   else p "#{__FILE__}:#{__LINE__}" if @md.cmd.inspect =~/M/
@@ -731,8 +731,8 @@ WOK
               end
             elsif (dob.tmp[:p] and dob.tmp[:l])
               dob.tmp = {
-                :p => number_paras_numbering(dob.tmp[:p]),
-                :l => number_paras_numbering(dob.tmp[:l])
+                p: number_paras_numbering(dob.tmp[:p]),
+                l: number_paras_numbering(dob.tmp[:l])
               }
             else p "#{__FILE__}:#{__LINE__}" if @md.cmd.inspect =~/M/
             end
@@ -780,8 +780,8 @@ WOK
         fns_l=@md.fns.gsub(/~/,'-') #this is a sorry fix, but necessary as it appears latex programs like not ~
         @md.papersize_array.each do |ps|
           file={
-            :landscape =>File.new("#{@env.path.processing_tex}/#{fns_l}.#{ps}.landscape.tex",'w+'),
-            :portrait =>File.new("#{@env.path.processing_tex}/#{fns_l}.#{ps}.tex",'w+')
+            landscape: File.new("#{@env.path.processing_tex}/#{fns_l}.#{ps}.landscape.tex",'w+'),
+            portrait: File.new("#{@env.path.processing_tex}/#{fns_l}.#{ps}.tex",'w+')
           }
           file[:portrait] << @@tex_head[ps][:p]
           file[:landscape] << @@tex_head[ps][:l]
@@ -805,10 +805,10 @@ WOK
                 file[:landscape].puts morph.tmp,"\n"
               end
             elsif morph.class==Hash            #inserted headers and the like, only
-              h={:ps =>ps,:h =>morph,:filename =>file}
+              h={ ps: ps, h: morph, filename: file }
               output_morph_hash(h)
             elsif morph.tmp.class==Hash       #tables & images?
-              h={:ps =>ps,:h =>morph.tmp,:filename =>file}
+              h={ ps: ps, h: morph.tmp, filename: file }
               output_morph_hash(h)
             end
           end
@@ -817,12 +817,12 @@ WOK
           file[:landscape].close
         end
         @@tex_head={
-          'a4'=>    {:p => nil, :l => nil},
-          'a5'=>    {:p => nil, :l => nil},
-          'b5'=>    {:p => nil, :l => nil},
-          'letter'=>{:p => nil, :l => nil},
-          'legal'=> {:p => nil, :l => nil},
-          'book'=>  {:p => nil, :l => nil}
+          'a4'=>    { p: nil, l: nil },
+          'a5'=>    { p: nil, l: nil },
+          'b5'=>    { p: nil, l: nil },
+          'letter'=>{ p: nil, l: nil },
+          'legal'=> { p: nil, l: nil },
+          'book'=>  { p: nil, l: nil }
         }
         array=[]
       end
diff --git a/lib/sisu/v3/texpdf_format.rb b/lib/sisu/v3/texpdf_format.rb
index d2afa5bd..a1fb3e72 100644
--- a/lib/sisu/v3/texpdf_format.rb
+++ b/lib/sisu/v3/texpdf_format.rb
@@ -84,11 +84,11 @@ module SiSU_TeX_Pdf
     @@sys=SiSU_Env::System_call.new
     @@tex_pattern_margin_number=/\\begin\{tiny\}\\hspace\{0mm\}\\end\{tiny\}\{\\marginpar.+?\}\}\}/
     @@tableheader={
-      'a4' => { :p => 0, :l => 0 },
-      'a5' => { :p => 0, :l => 0 },
-      'b5' => { :p => 0, :l => 0 },
-      'letter' => { :p => 0, :l => 0 },
-      'legal' => { :p => 0, :l => 0 }
+      'a4' => { p: 0, l: 0 },
+      'a5' => { p: 0, l: 0 },
+      'b5' => { p: 0, l: 0 },
+      'letter' => { p: 0, l: 0 },
+      'legal' => { p: 0, l: 0 }
     }
     @@sys=SiSU_Env::System_call.new
     def initialize(md,dob=nil)
@@ -595,7 +595,7 @@ module SiSU_TeX_Pdf
       images_hash
       use_images_hash={}
       images_hash.each do |k,t|
-        use_images_hash[k]={ :l =>t, :p =>t}
+        use_images_hash[k]={ l: t, p: t}
       end
       dob.tmp=use_images_hash
       dob
@@ -639,7 +639,7 @@ module SiSU_TeX_Pdf
       otherlang=[]
       lang_char_arr.slice(1..9).each { |ch| otherlang << @lang.tex_name(ch) }
       otherlang=otherlang.join(',')
-      { :mainlang=>mainlang, :otherlang=>otherlang }
+      { mainlang: mainlang, otherlang: otherlang }
     end
     def tex_head_encode
       texpdf_font=if defined? @md.make.texpdf_font \
diff --git a/lib/sisu/v3/webrick.rb b/lib/sisu/v3/webrick.rb
index fbe5bda3..55157c4f 100644
--- a/lib/sisu/v3/webrick.rb
+++ b/lib/sisu/v3/webrick.rb
@@ -64,15 +64,15 @@ def brick(port,get='')
   port=SiSU_Env::Info_port.new.webrick
   begin
     s=HTTPServer.new(
-      :Port         => port,
-      :DocumentRoot => Dir::pwd + '/htdocs',
-      :CGIPathEnv   => ENV['PATH']
+      Port:         port,
+      DocumentRoot: Dir::pwd + '/htdocs',
+      CGIPathEnv:   ENV['PATH']
     )
     cgi_dir=File.expand_path(cgidir)
     @mount.each { |x,y|                                                        # mount subdirectories
       s.mount(x, HTTPServlet::FileHandler, y, true)
     }
-    s.mount('/cgi-bin', HTTPServlet::FileHandler, cgi_dir, {:FancyIndexing=>true})
+    s.mount('/cgi-bin', HTTPServlet::FileHandler, cgi_dir, { FancyIndexing: true })
     trap("INT"){ s.shutdown }
     s.start
   rescue; SiSU_Errors::Info_error.new($!,$@,'-W',nil).error #fix
diff --git a/lib/sisu/v3/wikispeak.rb b/lib/sisu/v3/wikispeak.rb
index 33cf65bc..72e2e2b0 100644
--- a/lib/sisu/v3/wikispeak.rb
+++ b/lib/sisu/v3/wikispeak.rb
@@ -143,7 +143,7 @@ module SiSU_Wikispeak
       require_relative 'shared_txt'                     # shared_txt.rb
         include SiSU_text_utils
       @@endnotes_para=[]
-      @@wiki={ :body=>[],:open=>[],:close=>[],:head=>[],:metadata=>[],:tail=>[],:endnotes=>[] }
+      @@wiki={ body: [], open: [], close: [], head: [], metadata: [], tail: [], endnotes: [] }
       @@dp=nil
       def initialize(data,md)
         @data,@md=data,md
diff --git a/lib/sisu/v3/xhtml.rb b/lib/sisu/v3/xhtml.rb
index ab1156e1..2b791a31 100644
--- a/lib/sisu/v3/xhtml.rb
+++ b/lib/sisu/v3/xhtml.rb
@@ -119,7 +119,7 @@ module SiSU_XHTML
       require_relative 'shared_txt'                     # shared_txt.rb
         include SiSU_text_utils
       require_relative 'css'                            # css.rb
-      @@xml={ :body=>[],:sisu=>[],:open=>[],:close=>[],:head=>[] }
+      @@xml={ body: [], sisu: [], open: [], close: [], head: [] }
       def initialize(particulars)
         @env,@md,@dal_array=particulars.env,particulars.md,particulars.dal_array
         @vz=SiSU_Env::Get_init.instance.skin
@@ -328,7 +328,7 @@ WOK
               end
               if dob.obj =~/.*<:#>.*$/ #investigate removal
                 dob.obj=if dob.obj =~ /#{Mx[:pa_o]}:i[1-9]#{Mx[:pa_c]}/
-                  txt_obj={:txt =>dob}
+                  txt_obj={ txt: dob }
                   format_text=Format_text_object.new(@md,txt_obj)
                   format_text.scr_inden_ocn_e_no_paranum
                 end
diff --git a/lib/sisu/v3/xml.rb b/lib/sisu/v3/xml.rb
index e5cc9374..9b9bc3f5 100644
--- a/lib/sisu/v3/xml.rb
+++ b/lib/sisu/v3/xml.rb
@@ -119,7 +119,7 @@ module SiSU_XML_SAX
         include SiSU_text_utils
       require_relative 'css'                            # css.rb
       require_relative 'shared_xhtml'                   # decide use, whether xml rather than xhtml
-      @@xml={ :body=>[],:open=>[],:close=>[],:head=>[] }
+      @@xml={ body: [], open: [], close: [], head: [] }
       def initialize(particulars)
         @env,@md,@dal_array=particulars.env,particulars.md,particulars.dal_array
         @vz=SiSU_Env::Get_init.instance.skin
@@ -353,11 +353,11 @@ WOK
                 end
               elsif dob.obj =~/(#{Mx[:br_eof]}|#{Mx[:br_endnotes]})/
               elsif dob.obj =~/MetaData/
-                txt_obj={:txt =>'<br /><a name="metadata">MetaData</a>'}
+                txt_obj={ txt: '<br /><a name="metadata">MetaData</a>' }
                 format_scroll=Format_scroll.new(@md,txt_obj)
                 dob.obj=format_scroll.bold_para
               elsif dob.obj =~/(Owner Details)/
-#               txt_obj={:txt =>'<br /><a name="owner.details">Owner Details</a>'}
+#               txt_obj={ txt: '<br /><a name="owner.details">Owner Details</a>' }
 #               format_scroll=Format_scroll.new(@md,txt_obj)
 #               @@xml[:owner_details]=format_scroll.bold_para
                 dob.obj=''
@@ -368,7 +368,7 @@ WOK
               end
               if dob.obj =~/.*<:#>.*$/ #investigate removal
                 dob.obj=if dob.obj =~ /#{Mx[:pa_o]}:i[1-9]#{Mx[:pa_c]}/
-                  txt_obj={:txt =>dob}
+                  txt_obj={ txt: dob }
                   format_text=Format_text_object.new(@md,txt_obj)
                   format_text.scr_inden_ocn_e_no_paranum
                 end
diff --git a/lib/sisu/v3/xml_dom.rb b/lib/sisu/v3/xml_dom.rb
index ea792b04..02180617 100644
--- a/lib/sisu/v3/xml_dom.rb
+++ b/lib/sisu/v3/xml_dom.rb
@@ -115,7 +115,7 @@ module SiSU_XML_DOM
       require_relative 'shared_txt'                     # shared_txt.rb
         include SiSU_text_utils
       require_relative 'shared_xhtml'                   # decide use, whether xml rather than xhtml
-      @@xml={ :body=>[],:open=>[],:close=>[],:head=>[],:sc=>[] }
+      @@xml={ body: [], open: [], close: [], head: [], sc: [] }
       def initialize(particulars)
         @env,@md,@dal_array=particulars.env,particulars.md,particulars.dal_array
         @vz=SiSU_Env::Get_init.instance.skin
@@ -423,7 +423,7 @@ WOK
                 end
               elsif dob.obj =~/(#{Mx[:br_eof]}|#{Mx[:br_endnotes]})/
               elsif dob.obj =~/(MetaData)/
-                txt_obj={:txt =>'<br /><a name="metadata">MetaData</a>'}
+                txt_obj={ txt: '<br /><a name="metadata">MetaData</a>' }
                 format_scroll=Format_scroll.new(@md,txt_obj)
                 dob.obj=format_scroll.bold_para
               elsif dob.obj =~/(Owner Details)/
@@ -435,7 +435,7 @@ WOK
               end
               if dob.obj =~/.*<:#>.*$/
                 dob.obj=if dob.obj =~ /#{Mx[:pa_o]}:i[1-9]#{Mx[:pa_c]}/
-                  txt_obj={:txt =>dob.obj}
+                  txt_obj={ txt: dob.obj }
                   format_text=Format_text_object.new(@md,txt_obj)
                   format_text.scr_inden_ocn_e_no_paranum
                 end