12 files changed, 134 insertions, 123 deletions
diff --git a/lib/sisu/v4/constants.rb b/lib/sisu/v4/constants.rb
index 08279630..65b17796 100644
--- a/lib/sisu/v4/constants.rb
+++ b/lib/sisu/v4/constants.rb
@@ -198,10 +198,24 @@ Px={
 }
 Px[:lng_lst_rgx]=Px[:lng_lst].join('|')
 Ep={
+  alt:                       :on,
   d_oebps:                   'OEBPS',
+  d_image:                   'OEBPS/image',
+  d_css:                     'OEBPS/css',
   f_ncx:                     'toc.ncx',
   f_opf:                     'content.opf',
 }
+$ep=if Ep[:alt]==:on
+  {
+    o:   'opf:',
+    hsp: ' ',
+  }
+else
+  {
+    o:   '',
+    hsp: '&nbsp;',
+  }
+end
 Db={
   name_prefix:               "SiSU#{SiSU_version_dir}a_",
   name_prefix_db:            "sisu_#{SiSU_version_dir}a_",
diff --git a/lib/sisu/v4/dal_doc_objects.rb b/lib/sisu/v4/dal_doc_objects.rb
index 37dfdcd3..13fd8ddb 100644
--- a/lib/sisu/v4/dal_doc_objects.rb
+++ b/lib/sisu/v4/dal_doc_objects.rb
@@ -420,17 +420,18 @@ module SiSU_DAL_DocumentStructure
     end
   end
   class ObjectLayout
-    attr_accessor :obj,:is,:of,:tmp
+    attr_accessor :obj,:is,:of,:from,:tmp
     def initialize
       @of=:layout
-      @is=@obj=@tmp=nil
+      @is=@obj=@from=@tmp=nil
     end
-    def break(h,o=nil)                                                         #decide how to deal with, perhaps no obj?
+    def break(h,f=nil)                                                         #decide how to deal with
       of=     @of                                                              #String, classification - group
       is=     :break                                                           #String, classification - specific type
-      obj=    h[:obj]     || ((defined? o.obj)       ? o.obj     : nil)        #String, text content
-      tmp=    h[:tmp]     || ((defined? o.tmp)       ? o.tmp     : nil)        #available for processing, empty after use
-      @of,@is,@obj,@tmp=of,is,obj,tmp
+      obj=    h[:obj]                                                          #String, text content
+      from=   f
+      tmp=    h[:tmp]                                                          #available for processing, empty after use
+      @of,@is,@obj,@from,@tmp=of,is,obj,from,tmp
       self
     end
     def insert(h,o=nil)                                                        #decide how to deal with, could mimic paragraph?
diff --git a/lib/sisu/v4/dal_doc_str.rb b/lib/sisu/v4/dal_doc_str.rb
index 40fad15e..a04ad3ad 100644
--- a/lib/sisu/v4/dal_doc_str.rb
+++ b/lib/sisu/v4/dal_doc_str.rb
@@ -236,9 +236,9 @@ module SiSU_DAL_DocumentStructureExtract
           when /^<(?:br)?:(?:pa?r|o(?:bj|---)?)>\s*$/      #[br:par] #[br:obj]
             SiSU_DAL_DocumentStructure::ObjectLayout.new.break(Hx[:br_obj])
           when /^(?:-\\\\-|<:pb>)\s*$/                                #[br:pg]
-            SiSU_DAL_DocumentStructure::ObjectLayout.new.break(Hx[:br_page])
+            SiSU_DAL_DocumentStructure::ObjectLayout.new.break(Hx[:br_page],:markup)
           when /^(?:=\\\\=|<:pn>)\s*$/                                #[br:pgn]
-            SiSU_DAL_DocumentStructure::ObjectLayout.new.break(Hx[:br_page_new])
+            SiSU_DAL_DocumentStructure::ObjectLayout.new.break(Hx[:br_page_new],:markup)
           else                                             #paragraph
             image=image_test(t_o)
             note=endnote_test?(t_o)
@@ -740,19 +740,19 @@ module SiSU_DAL_DocumentStructureExtract
         elsif dob.obj=~/#{Mx[:pa_non_object_no_heading]}/
           dob.obj=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, hang: dob.hang, indent: dob.indent, bullet_: dob.bullet_, tags: dob.tags, parent: dob.parent }
             dob=SiSU_DAL_DocumentStructure::ObjectPara.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, parent: dob.parent }
             dob=SiSU_DAL_DocumentStructure::ObjectHeading.new.heading(h,dob)
           end
         elsif dob.obj=~/#{Mx[:pa_non_object_dummy_heading]}/
           dob.obj=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, hang: dob.hang, indent: dob.indent, bullet_: dob.bullet_, tags: dob.tags, parent: dob.parent }
             dob=SiSU_DAL_DocumentStructure::ObjectPara.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, parent: dob.parent }
             dob=SiSU_DAL_DocumentStructure::ObjectHeading.new.heading(h,dob)
           end
         else dob
diff --git a/lib/sisu/v4/dal_idx.rb b/lib/sisu/v4/dal_idx.rb
index 63eb487e..a1d66402 100644
--- a/lib/sisu/v4/dal_idx.rb
+++ b/lib/sisu/v4/dal_idx.rb
@@ -161,12 +161,7 @@ module SiSU_DAL_BookIndex
       the_idx
     end
     def clean_xml(str)
-      str=str.gsub(/&/,'&#038;').
-        gsub(/\(/,'&#040;').
-        gsub(/\)/,'&#041;').
-        gsub(/\*/,'&#042;').
-        gsub(/\+/,'&#043;').
-        gsub(/,/,'&#044;')
+      str=str.gsub(/&/,'&amp;')
       str
     end
     def index(the_idx)
@@ -193,8 +188,8 @@ module SiSU_DAL_BookIndex
           idx[:html] << ''
           idx[:xhtml] << ''
         else
-          idx[:html] << %{<a href="##{x}">#{x}</a>,&nbsp;}
-          idx[:xhtml] << %{<a href="##{x.downcase}">#{x}</a>,&nbsp;}
+          idx[:html] << %{<a href="##{x}">#{x}</a>,#{$ep[:hsp]}}
+          idx[:xhtml] << %{<a href="##{x.downcase}">#{x}</a>,#{$ep[:hsp]}}
         end
       end
       idx[:html] << '</p>'
diff --git a/lib/sisu/v4/epub.rb b/lib/sisu/v4/epub.rb
index 195f719e..a3b9211e 100644
--- a/lib/sisu/v4/epub.rb
+++ b/lib/sisu/v4/epub.rb
@@ -549,7 +549,7 @@ module SiSU_EPUB
         segtoc << format_txt_obj.center_bold
         if defined? @md.creator.author \
         and @md.creator.author
-          creator_endnote=@md.creator.author.gsub(/(\*+)/,%{&nbsp;<sup><a href="#notes">\\1</a></sup>})
+          creator_endnote=@md.creator.author.gsub(/(\*+)/,%{#{$ep[:hsp]}<sup><a href="#notes">\\1</a></sup>})
           tmp_head=creator_endnote + "\n"
           txt_obj={ txt: tmp_head }
           format_txt_obj=SiSU_EPUB_Format::FormatTextObject.new(@md,txt_obj)
@@ -708,21 +708,21 @@ module SiSU_EPUB
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
    "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
 <html xmlns="http://www.w3.org/1999/xhtml">
-<head>
- <title>Cover</title>
- <meta http-equiv="Content-Type" content='text/html; charset=utf-8' />
-  <link rel="stylesheet" href="css/xhtml.css" type="text/css" />
- <style type="text/css"> img { max-width: 100%; } </style>
-</head>
-<body bgcolor="#ffffff" text="#000000" link="#003090" lang="en" xml:lang="en">
- <div class="svg_outer">
-  <div class="svg_inner">
-    <svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="100%" height="100%" viewBox="0 0 #{@md.make.cover_image[:w]} #{@md.make.cover_image[:h]}" preserveAspectRatio="xMidYMid meet">
-    <image width="#{@md.make.cover_image[:w]}" height="#{@md.make.cover_image[:h]}" xlink:href="image/#{@md.make.cover_image[:cover]}" />
-   </svg>
-  </div>
- </div>
-</body>
+  <head>
+    <title>Cover</title>
+    <meta http-equiv="Content-Type" content='text/html; charset=utf-8' />
+    <link rel="stylesheet" href="css/xhtml.css" type="text/css" />
+    <style type="text/css"> img { max-width: 100%; } </style>
+  </head>
+  <body bgcolor="#ffffff" text="#000000" link="#003090" lang="en" xml:lang="en">
+    <div class="svg_outer">
+      <div class="svg_inner">
+        <svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="100%" height="100%" viewBox="0 0 #{@md.make.cover_image[:w]} #{@md.make.cover_image[:h]}" preserveAspectRatio="xMidYMid meet">
+        <image width="#{@md.make.cover_image[:w]}" height="#{@md.make.cover_image[:h]}" xlink:href="image/#{@md.make.cover_image[:cover]}" />
+        </svg>
+      </div>
+    </div>
+  </body>
 </html>
 WOK
             filename_xhtml.puts cover_image,"\n"
diff --git a/lib/sisu/v4/epub_concordance.rb b/lib/sisu/v4/epub_concordance.rb
index 93774d30..60242567 100644
--- a/lib/sisu/v4/epub_concordance.rb
+++ b/lib/sisu/v4/epub_concordance.rb
@@ -102,9 +102,9 @@ module SiSU_EPUB_Concordance
         @vz=SiSU_Viz::Defaults.new
         txt_path=%{#{@md.dir_out}}
         @fnb=@md.fnb
-        @lex_button=%{<a href="http://www.jus.uio.no/sisu/" target="_top"><img border="0" height="44" width="144" valign="center" src="../_sisu/image/sisu.png" alt="SiSU home --&gt;"></a>}
+        @lex_button=%{<a href="http://www.jus.uio.no/sisu/" target="_top"><img border="0" height="44" width="144" valign="center" src="../_sisu/image/sisu.png" alt="SiSU home"></a>}
         @doc_details =<<WOK
-<table summary="links to text related to this rudimentary index" width="96%" border="0" bgcolor="white" cellpadding="0" align="center"><tr><td width="2%" align="right">&nbsp;</td><td width="94%" valign="top" align="justify"><h1 class="small"><a href="#{@md.file.base_filename.epub}"><b>#{@md.title.full}</b></a></h1><p class="bold">#{@md.creator.author}</p></td></tr></table>
+<table summary="links to text related to this rudimentary index" width="96%" border="0" bgcolor="white" cellpadding="0" align="center"><tr><td width="2%" align="right">#{$ep[:hsp]}</td><td width="94%" valign="top" align="justify"><h1 class="small"><a href="#{@md.file.base_filename.epub}"><b>#{@md.title.full}</b></a></h1><p class="bold">#{@md.creator.author}</p></td></tr></table>
 WOK
       end
       def create
@@ -122,7 +122,7 @@ WOK
     [if number of occurences exceed number of references - word occurs more than once in at least one reference. Footnote/endnotes are either assigned to the paragraph from which they are referenced or ignored, so it is relevant to check the footnotes referenced from within a paragraph as well.]
   </p>
   <p>
-    (After the page is fully loaded) you can jump directly to a word by appending a hash (#) and the word to the url for this text, (do not forget that words are case sensitive, and may be listed twice (starting with and without an upper case letter)), #your_word # [&nbsp;http://[web host]/#{@fnb}/concordance.html#your_word&nbsp;]
+    (After the page is fully loaded) you can jump directly to a word by appending a hash (#) and the word to the url for this text, (do not forget that words are case sensitive, and may be listed twice (starting with and without an upper case letter)), #your_word # [#{$ep[:hsp]}http://[web host]/#{@fnb}/concordance.html#your_word#{$ep[:hsp]}]
   </p>
 WOK
       end
@@ -284,12 +284,12 @@ WOK
             end
           end
         end
-        scr='<font size="1" color="#777777" face=times new roman><img border="0" height="15" width="15" src="../_sisu/image/b_doc.png" alt="Full Text">&nbsp;scroll:&nbsp;</font><font size="1" color="#222222" face=times new roman>doc#&nbsp;</font> '
+        scr=%{<font size="1" color="#777777" face=times new roman><img border="0" height="15" width="15" src="../_sisu/image/b_doc.png" alt="Full Text">#{$ep[:hsp]}scroll:#{$ep[:hsp]}</font><font size="1" color="#222222" face=times new roman>doc##{$ep[:hsp]}</font> }
         seg=''
         @file_concordance << SiSU_EPUB_Concordance::Source::DocTitle.new(@particulars).create
         alph=%W[A B C D E F G H I J K L M N O P Q R S T U V W X Y Z]
         @file_concordance << '<p>'
-        alph.each {|x| @file_concordance << %{<a href="##{x}">#{x}</a>,&nbsp;}}
+        alph.each {|x| @file_concordance << %{<a href="##{x}">#{x}</a>,#{$ep[:hsp]}}}
         @file_concordance << '</p>'
         letter=alph.shift
         @file_concordance << %{\n<p class="letter"><a name="A">A</a></p>}
diff --git a/lib/sisu/v4/epub_format.rb b/lib/sisu/v4/epub_format.rb
index dd3273d0..d8baae63 100644
--- a/lib/sisu/v4/epub_format.rb
+++ b/lib/sisu/v4/epub_format.rb
@@ -69,7 +69,7 @@ module SiSU_EPUB_Format
         ocn_class='ocn'
         if @ocn.to_i==0
           @ocn.gsub(/^(\d+|)$/,
-            %{<label class="#{ocn_class}">&nbsp;</label>})
+            %{<label class="#{ocn_class}">#{$ep[:hsp]}</label>})
         else
           @ocn.gsub(/^(\d+|)$/,
             %{<label class="#{ocn_class}"><a href="#o\\1" class="lnk#{ocn_class}">\\1</a></label>})
@@ -77,7 +77,7 @@ module SiSU_EPUB_Format
       else
         ocn_class='ocn_off'
         @ocn.gsub(/^(\d+|)$/,
-          %{<label class="#{ocn_class}">&nbsp;</label>})
+          %{<label class="#{ocn_class}">#{$ep[:hsp]}</label>})
       end
     end
     def name
@@ -1220,6 +1220,7 @@ module SiSU_EPUB_Format
   module SanitizeXML
     def self.xml(x)
       if x.is_a?(String)
+        x=x.gsub(/&nbsp;/,' ') if Ep[:alt]==:on
         x.gsub(/&/,'&amp;').
           gsub(/</,'&lt;').gsub(/>/,'&gt;').
           #gsub(/</,'&#60;').gsub(/>/,'&#62;').
@@ -1246,8 +1247,6 @@ module SiSU_EPUB_Format
     def doc_type_xhtml
       <<-WOK
 <?xml version='1.0' encoding='utf-8'?>
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
-   "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
 <html xmlns="http://www.w3.org/1999/xhtml">
       WOK
     end
@@ -1305,25 +1304,25 @@ application/epub+zip
       segfilename=dir_epub_cont + '/' + name
       output_epub_cont_seg=File.new(segfilename,'w')
       output_epub_cont_seg << %{#{doc_type}
-<head>
-  <title>
-    #{dob.obj} -
-    #{@md.html_title}
-  </title>
-<meta http-equiv='Content-Type' content='text/html; charset=utf-8' />
-#{@css.xhtml_epub}
-</head>
-#{@vz.color_body}
-<div class="content">
-  <div class="substance">
-    <label class="ocn"><a href="#o#{dob.ocn}" class="lnkocn">#{dob.ocn}</a></label>
-    <h1 class="norm" id="o#{dob.ocn}">
-      #{dob.obj}
-    </h1>
-  </div>
-</div>
-</body>
-</html>}
+  <head>
+    <title>
+      #{dob.obj} -
+      #{@md.html_title}
+    </title>
+    <meta http-equiv='Content-Type' content='text/html; charset=utf-8' />
+    #{@css.xhtml_epub}
+  </head>
+  #{@vz.color_body}
+    <div class="content">
+      <div class="substance">
+        <label class="ocn"><a href="#o#{dob.ocn}" class="lnkocn">#{dob.ocn}</a></label>
+        <h1 class="norm" id="o#{dob.ocn}">
+          #{dob.obj}
+        </h1>
+      </div>
+    </div>
+    </body>
+  </html>}
 output_epub_cont_seg.close
     end
     def toc_ncx #list of navigation points (like chapters), table of contents, listing each navigation point (chapters and such) under the navigation map
@@ -1341,9 +1340,7 @@ output_epub_cont_seg.close
       end
       def open
         <<-WOK
-<?xml version="1.0"?>
-<!DOCTYPE ncx PUBLIC "-//NISO//DTD ncx 2005-1//EN"
-  "http://www.daisy.org/z3986/2005/ncx-2005-1.dtd">
+<?xml version='1.0' encoding='utf-8'?>
 <ncx xmlns="http://www.daisy.org/z3986/2005/ncx/" version="2005-1">
         WOK
       end
@@ -1404,12 +1401,12 @@ output_epub_cont_seg.close
         ? ''
         : "-#{no}"
         <<-WOK
-    <navPoint id="navpoint#{id_u}" playOrder="#{no}">
-      <navLabel>
-        <text>Table of Contents</text>
-      </navLabel>
-      <content src="index#{Sfx[:epub_xhtml]}" />
-    </navPoint>
+      <navPoint id="navpoint#{id_u}" playOrder="#{no}">
+        <navLabel>
+          <text>Table of Contents</text>
+        </navLabel>
+        <content src="index#{Sfx[:epub_xhtml]}" />
+      </navPoint>
         WOK
       end
       def navpoint(dob,no,fn_base,hashtag=nil)
@@ -1419,16 +1416,16 @@ output_epub_cont_seg.close
         ? ''
         : "-#{no}"
         <<-WOK
-    <navPoint id="navpoint#{id_u}" playOrder="#{no}">
-      <navLabel>
-        <text>#{dob.obj}</text>
-      </navLabel>
-      <content src="#{name}" />
+      <navPoint class="chapter" id="navpoint#{id_u}" playOrder="#{no}">
+        <navLabel>
+          <text>#{dob.obj}</text>
+        </navLabel>
+        <content src="#{name}" />
         WOK
       end
       def navpoint_close
         <<-WOK
-    </navPoint>
+      </navPoint>
         WOK
       end
       def navmap_close
@@ -1454,7 +1451,7 @@ output_epub_cont_seg.close
       def package_open
         <<-WOK
 <?xml version='1.0' encoding='utf-8'?>
-<package xmlns="http://www.idpf.org/2007/opf" unique-identifier="EPB-UUID" version="2.0">
+<package xmlns="http://www.idpf.org/2007/opf" version="2.0" unique-identifier="EPB-UUID">
         WOK
       end
       def package_close
@@ -1466,7 +1463,7 @@ output_epub_cont_seg.close
         cover_image=if defined? @md.make.cover_image \
         and @md.make.cover_image.is_a?(Hash) \
         and @md.make.cover_image[:cover] =~/\S+/
-          %{\n    <meta name="cover" content="cover_image" />}
+          %{\n    <#{$ep[:o]}meta name="cover" content="cover_image" />}
         else ''
         end
         author=if defined? @md.creator.author \
@@ -1577,7 +1574,7 @@ output_epub_cont_seg.close
         end
         f=SiSU_Env::FileOp.new(@md)
         <<-WOK
-  <metadata xmlns:dc="http://purl.org/dc/elements/1.1/"
+  <#{$ep[:o]}metadata xmlns:dc="http://purl.org/dc/elements/1.1/"
     xmlns:opf="http://www.idpf.org/2007/opf"
     unique-identifier="urn:uuid:#{@md.dgst[1]}" version="2.0">
     <dc:title>#{@md.title.full}</dc:title>
@@ -1585,7 +1582,7 @@ output_epub_cont_seg.close
     <dc:identifier opf:scheme="URI">#{f.output_path.epub.url}/#{f.base_filename.epub}</dc:identifier>
     <dc:identifier id="bookid">urn:uuid:#{@md.dgst[1]}</dc:identifier>
     <!-- <dc:identifier id="EPB-UUID">urn:uuid:#{@md.dgst[1]}</dc:identifier> -->
-  </metadata>
+  </#{$ep[:o]}metadata>
         WOK
       end
       def manifest_open
@@ -1608,7 +1605,7 @@ output_epub_cont_seg.close
         and @md.make.cover_image.is_a?(Hash) \
         and md.make.cover_image[:cover] =~/\S+/
           <<-WOK
-    <item id="cover_image_file" href="cover_image#{Sfx[:epub_xhtml]}" media-type="application/xhtml+xml" />
+    <item id="cover_image#{Sfx[:epub_xhtml]}" href="cover_image#{Sfx[:epub_xhtml]}" media-type="application/xhtml+xml" />
           WOK
         else ''
         end
@@ -1646,7 +1643,7 @@ output_epub_cont_seg.close
       end
       def spine_cover_image
         <<-WOK
-    <itemref idref="cover_image_file" />
+    <itemref idref="cover_image#{Sfx[:epub_xhtml]}" />
         WOK
       end
       def spine_sisu_toc
@@ -1674,7 +1671,7 @@ output_epub_cont_seg.close
       end
       def guide_cover_image
         <<-WOK
-    <reference type="cover" title="Cover of [book title]" href="cover_image#{Sfx[:epub_xhtml]}" />
+    <reference type="cover" title="Cover of #{SanitizeXML.xml(@md.title.full)}" href="cover_image#{Sfx[:epub_xhtml]}" />
         WOK
       end
       def guide_sisu_toc
@@ -1727,20 +1724,20 @@ output_epub_cont_seg.close
     end
     def head
       %{#{doc_type}
-<head>
-<meta http-equiv='Content-Type' content='text/html; charset=utf-8' />
-#{@css.xhtml_epub}
-</head>
-#{@vz.color_body}}
+  <head>
+    <meta http-equiv='Content-Type' content='text/html; charset=utf-8' />
+    #{@css.xhtml_epub}
+  </head>
+  #{@vz.color_body}}
     end
     def concordance
       if @md.concord_make
       %{#{@vz.margin_css}
-  <h4 class="toc">
-    <a href="./#{@md.file.base_filename.html_concordance}">
-      <i>Concordance</i>
-    </a>
-  </h4>
+      <h4 class="toc">
+        <a href="./#{@md.file.base_filename.html_concordance}">
+          <i>Concordance</i>
+        </a>
+      </h4>
 #{@vz.table_close}}
       else
       %{#{@vz.margin_css}
@@ -1807,15 +1804,15 @@ output_epub_cont_seg.close
     end
     def head
       %{#{doc_type}
-<head>
-  <title>
-    #{@seg_name_xhtml[@seg_name_xhtml_tracker]} -
-    #{@md.html_title}
-  </title>
-<meta http-equiv='Content-Type' content='text/html; charset=utf-8' />
-#{@css.xhtml_epub}
-</head>
-#{@vz.color_body}}
+  <head>
+    <title>
+      #{@seg_name_xhtml[@seg_name_xhtml_tracker]} -
+      #{@md.html_title}
+    </title>
+    <meta http-equiv='Content-Type' content='text/html; charset=utf-8' />
+    #{@css.xhtml_epub}
+  </head>
+  #{@vz.color_body}}
     end
     def endnote_mark
 %{
@@ -1833,7 +1830,7 @@ output_epub_cont_seg.close
   <a href="#owner.details">
     Owner Details
     <font size="1" color="#777777">
-      &nbsp;&nbsp;&nbsp;
+      #{$ep[:hsp]*3}
     </font>
   </a>
   </font>
@@ -1914,7 +1911,7 @@ output_epub_cont_seg.close
     def no_paranum
       %{
 <div class="substance">
-  <label class="ocn">&nbsp;</label>
+  <label class="ocn">#{$ep[:hsp]}</label>
   <p class="norm">
     #{@txt}
   </p>
@@ -2059,7 +2056,7 @@ output_epub_cont_seg.close
     #{@txt}
   </p>
 #{@vz.margin_num_css}
-  &nbsp;&nbsp;&nbsp;
+  #{$ep[:hsp]*3}
 #{@vz.table_close}}
     end
     def bold_heading #unused
@@ -2069,7 +2066,7 @@ output_epub_cont_seg.close
     #{@txt}
   </p>
 #{@vz.margin_num_css}
-  &nbsp;&nbsp;&nbsp;
+  #{$ep[:hsp]*3}
 #{@vz.table_close}}
     end
     def toc_head_copy_at
@@ -2123,8 +2120,8 @@ output_epub_cont_seg.close
         note=$1
         note=note.gsub(/[\n\s]+/m,' ')
         txt=txt.gsub(/(?:#{Mx[:en_a_o]}.+?#{Mx[:en_a_c]}|#{Mx[:en_b_o]}.+?#{Mx[:en_b_c]})\s*/m,' ').
-          gsub(/<a[\n\s]+"[\n\s]+href="#note_ref\d+">&nbsp;<sup id="note\d+">\d+<\/sup>&nbsp;/m,'').
-          gsub(/<a[\n\s]+"[\n\s]+href="#note_ref\d+">#{Mx[:nbsp]}<sup id="note\d+">\d+<\/sup>#{Mx[:nbsp]}/m,'') #remove
+          gsub(/<a[\n\s]+"[\n\s]+href="#note_ref\d+">#{$ep[:hsp]}<sup id="note\d+">\d+<\/sup>#{$ep[:hsp]}/m,'').
+          gsub(/<a[\n\s]+"[\n\s]+href="#note_ref\d+">#{$ep[:hsp]}<sup id="note\d+">\d+<\/sup>#{$ep[:hsp]}/m,'') #remove
       end
       %{<#{tag} class="#{attrib}">
     <a href="#o#{@ocn}"><i>#{txt}</i></a> #{note}
diff --git a/lib/sisu/v4/epub_segments.rb b/lib/sisu/v4/epub_segments.rb
index e2727232..007e4672 100644
--- a/lib/sisu/v4/epub_segments.rb
+++ b/lib/sisu/v4/epub_segments.rb
@@ -305,7 +305,7 @@ WOK
         txt_obj={ txt: @@heading1, ocn_display: @p_num.ocn_display }
         format_seg=SiSU_EPUB_Format::FormatSeg.new(@md,txt_obj)
         @@seg[:headings] << format_seg.title_heading1.gsub(clean,'')
-        @@heading1=@@heading1.gsub(/&nbsp;<a name="-[\d*+]+" href="#_[\d*+]+">&nbsp;<sup>[\d*+]+<\/sup>&nbsp;<\/a>/,'')
+        @@heading1=@@heading1.gsub(/#{$ep[:hsp]}<a name="-[\d*+]+" href="#_[\d*+]+">#{$ep[:hsp]}<sup>[\d*+]+<\/sup>#{$ep[:hsp]}<\/a>/,'')
       end
       if @@is2==1
         heading2=@@heading2
@@ -316,7 +316,7 @@ WOK
         txt_obj={ txt: heading2, ocn_display: @p_num.ocn_display }
         format_seg=SiSU_EPUB_Format::FormatSeg.new(@md,txt_obj)
         @@seg[:headings] << format_seg.title_heading2.gsub(clean,'')
-        @@heading2=@@heading2.gsub(/&nbsp;<a name="-[\d*+]+" href="#_[\d*+]+">&nbsp;<sup>[\d*+]+<\/sup>&nbsp;<\/a>/,'')
+        @@heading2=@@heading2.gsub(/#{$ep[:hsp]}<a name="-[\d*+]+" href="#_[\d*+]+">#{$ep[:hsp]}<sup>[\d*+]+<\/sup>#{$ep[:hsp]}<\/a>/,'')
       end
       if @@is3==1
         heading3=@@heading3
@@ -327,7 +327,7 @@ WOK
         txt_obj={ txt: heading3, ocn_display: @p_num.ocn_display }
         format_seg=SiSU_EPUB_Format::FormatSeg.new(@md,txt_obj)
         @@seg[:headings] << format_seg.title_heading3.gsub(clean,'')
-        @@heading3=@@heading3.gsub(/&nbsp;<a name="-[\d*+]+" href="#_[\d*+]+">&nbsp;<sup>[\d*+]+<\/sup>&nbsp;<\/a>/,'')
+        @@heading3=@@heading3.gsub(/#{$ep[:hsp]}<a name="-[\d*+]+" href="#_[\d*+]+">#{$ep[:hsp]}<sup>[\d*+]+<\/sup>#{$ep[:hsp]}<\/a>/,'')
       end
       if @@is4==1
         heading4=@@heading4
diff --git a/lib/sisu/v4/epub_tune.rb b/lib/sisu/v4/epub_tune.rb
index b64fd675..f34db8ff 100644
--- a/lib/sisu/v4/epub_tune.rb
+++ b/lib/sisu/v4/epub_tune.rb
@@ -103,7 +103,7 @@ module SiSU_EPUB_Tune
       str=str.gsub(/#{Mx[:gl_o]}(#[0-9]{3})#{Mx[:gl_c]}/u,'&\1;').
         gsub(/#{Mx[:gl_o]}#([a-z]{2,4})#{Mx[:gl_c]}/u,'&\1;').
         gsub(/<br>/u,'<br />').
-        gsub(/#{Mx[:nbsp]}/u,'&nbsp;')
+        gsub(/#{Mx[:nbsp]}/u,$ep[:hsp])
     end
   end
   class Tune
@@ -151,8 +151,8 @@ module SiSU_EPUB_Tune
           gsub(/#{Mx[:fa_strike_o]}(.+?)#{Mx[:fa_strike_c]}/,'<del>\1</del>').
           gsub(/#{Mx[:fa_monospace_o]}(.+?)#{Mx[:fa_monospace_c]}/,'<tt>\1</tt>'). # tt, kbd
           gsub(/#{Mx[:mk_o]}:name#(\S+?)#{Mx[:mk_c]}/,'').
-          gsub(/#{Mx[:gl_bullet]}/m,'●&nbsp;&nbsp;').
-          gsub(/#{Mx[:nbsp]}/,'&nbsp;').
+          gsub(/#{Mx[:gl_bullet]}/m,"●#{$ep[:hsp]*2}").
+          gsub(/#{Mx[:nbsp]}/,$ep[:hsp]).
           gsub(/<(p|br)>/,'<\1 />')
         dob.obj=SiSU_EPUB_Tune::CleanXHTML.new(dob.obj).clean
         @tuned_file << dob
@@ -253,9 +253,9 @@ module SiSU_EPUB_Tune
               %{\n<center><a href="\\1" target="_top"><img src="#{@env.url.images_epub}/\\2" alt="\\3" /></a></center>\n})
           end
           dob.obj=dob.obj.gsub(/!pick/,%{<img border="0" height="15" width="15" src="#{@env.url.images_epub}/#{@vz.icon_choice}" alt="stellar" />}).
-            gsub(/!new/,%{&nbsp;<img border="0" height="15" width="15" src="#{@env.url.images_epub}/#{@vz.icon_new}" alt="new" />}).
+            gsub(/!new/,%{#{$ep[:hsp]}<img border="0" height="15" width="15" src="#{@env.url.images_epub}/#{@vz.icon_new}" alt="new" />}).
             gsub(/<:h(.{1,7}?)>/,'<a href="#h\1">\1</a>').
-            gsub(/<:to(\d{1,7}?)>/,'<a href="#to\1">to&nbsp;{&nbsp;\1&nbsp;}</a> ').
+            gsub(/<:to(\d{1,7}?)>/,%{<a href="#to\\1">to#{$ep[:hsp]}\{#{$ep[:hsp]}\\1#{$ep[:hsp]}\}</a> }).
             gsub(/#{Mx[:url_o]}_(\S+?)#{Mx[:url_c]}/,'<a href="\1" target="_top">\1</a>'). #http ftp matches escaped, no decoration
             gsub(/#{Mx[:url_o]}([a-zA-Z0-9._-]+\@\S+?\.[a-zA-Z0-9._-]+)#{Mx[:url_c]}/,%{#{@brace_url.xml_open}<a href="mailto:\\1">\\1</a>#{@brace_url.xml_close}}).
             gsub(/#{Mx[:url_o]}(\S+?)#{Mx[:url_c]}/,%{#{@brace_url.xml_open}<a href="\\1" target="_top">\\1</a>#{@brace_url.xml_close}}) #http ftp matches with decoration
diff --git a/lib/sisu/v4/html_scroll.rb b/lib/sisu/v4/html_scroll.rb
index bccc96ff..f8d104bb 100644
--- a/lib/sisu/v4/html_scroll.rb
+++ b/lib/sisu/v4/html_scroll.rb
@@ -99,8 +99,7 @@ module SiSU_HTML_Scroll
           @rcdc=true
         end
         dob.obj=dob.obj.gsub(/href="[a-z0-9._-]+(#\S+?")/m,'href="\1'). # internal document links
-          gsub(/href="#{Xx[:segment]}/m,'href="').
-          gsub(/(?:\s*#{Mx[:br_page]}\s*|\s*#{Mx[:br_page_new]}\s*)+/m,'<p><hr width=90% /></p>')
+          gsub(/href="#{Xx[:segment]}/m,'href="')
         if dob.obj !~/(^#{Rx[:meta]}|#{Mx[:br_eof]})/
           unless dob.is ==:code
             dob.obj=dob.obj.gsub(/(?:#{Mx[:en_a_o]}.+?#{Mx[:en_a_c]}|#{Mx[:en_b_o]}.+?#{Mx[:en_b_c]})\s*/m,' ')
@@ -123,6 +122,9 @@ module SiSU_HTML_Scroll
             elsif dob.ln==6
               sto.heading_body6
             end
+          elsif dob.is==:break \
+          and dob.from==:markup
+            '<p><hr width=90% /></p>'
           elsif dob.is==:heading_insert
             x=if dob.ln==1
               unless dob.obj.empty?
diff --git a/lib/sisu/v4/html_segments.rb b/lib/sisu/v4/html_segments.rb
index 5a110b41..543dc209 100644
--- a/lib/sisu/v4/html_segments.rb
+++ b/lib/sisu/v4/html_segments.rb
@@ -474,7 +474,9 @@ module SiSU_HTML_Seg
           sto.code
         elsif dob.is==:table
           sto.table
-        elsif dob.is==:break
+        elsif dob.is==:break \
+        and dob.from==:markup
+          '<p><hr width=90% /></p>'
         end
         if @md.flag_separate_endnotes
           dob.obj=dob.obj.gsub(/"\s+href="#_(\d+)">/,%{" href=\"endnotes#{Sfx[:html]}#_\\1">})       #endnote- twice #removed file type
diff --git a/lib/sisu/v4/param_make.rb b/lib/sisu/v4/param_make.rb
index ce35307c..5d184897 100644
--- a/lib/sisu/v4/param_make.rb
+++ b/lib/sisu/v4/param_make.rb
@@ -460,7 +460,7 @@ module SiSU_Param_Make
           s=@h['cover_image'].split(/\s*;\s*/)
           s=s[0] #if
           image={}
-          if s =~/{(\S+\.(?:jpg|png|gif))(?:\s+(\d+x\d+))?\s+(?:"(.+?)")?\s*}image/
+          if s =~/{\s*(\S+\.(?:jpg|png|gif))(?:\s+(\d+x\d+))?(?:\s+"(.+?)")?\s*}image/
             image[:cover]=$1
             if $2
               image[:dimensions]=$2