Initial revision

7 files changed, 1013 insertions, 0 deletions

diff --git a/Bonus/README b/Bonus/README
new file mode 100644
index 0000000..1e3a0de
--- /dev/null
+++ b/Bonus/README
@@ -0,0 +1,48 @@
+html2latex
+
+  HTMLの文書をLaTeX に変換します．Rubyスクリプトです．不完全です．
+  ある程度の役には立つかもしれません．
+
+  使用法
+
+    html2latex file.html > file.tex
+
+  ここに置いてある理由
+
+    makeref のための部品取りです :-)
+
+makeref
+
+  HTMLの文書を読み，アンカーに番号を振ります．番号を振った文書を
+  標準出力に書き出し，最後にその一覧を出力します．Ruby スクリプトです．
+
+  使用法
+
+    makeref [-url base_url] [file]
+
+    -url: 文書のURLを指定します．リンクの一覧を出すときに，そのURLを
+          補完するために使います．
+
+  バグ
+
+    HTMLの記述ミス( &lt; ではなく < を使う，&... の最後に ; を付けない
+    等)があると，悲惨な結果になることがあります．
+
+    半角カナ(JIS X-0201カナ)に対応していません．
+
+htmldump
+
+  URL からHTML文書を読み，アンカーに番号を振って整形し，標準出力に
+  書き出します．
+
+  使用法
+
+    dumphtml [URL]
+
+    URL を省略すると，$WWW_HOME の内容を読みます．
+
+  バグ
+
+    URL の指す文書がHTMLでなかった場合，かわいそうなことになります．
+    makeref を使っているので，makeref がうまく処理できない文書の表示
+    は変になります．
diff --git a/Bonus/README.eng b/Bonus/README.eng
new file mode 100644
index 0000000..06613ee
--- /dev/null
+++ b/Bonus/README.eng
@@ -0,0 +1,49 @@
+html2latex
+
+  Convert HTML document into LaTeX. Ruby script. incomplete.
+
+  Usage:
+
+    html2latex file.html > file.tex
+
+  Why this script is here?
+
+    To exploit code for makeref. :-)
+
+makeref
+
+  Read HTML document and number the anchors. Print numbered document
+  into standard output and append reference index. Ruby script.
+
+  Usage:
+
+    makeref [-u] [-url base_url] [file]
+
+    -url: Specify URL of the document. It is used to complete link
+          in the document.
+
+    -u: Append URL after each anchor, instead of reference number.
+
+  Bugs
+
+    If there are any error in HTML (unbalanced < , character entity
+    without ; , etc.), output will be miserable.
+
+htmldump
+
+  Read HTML document from URL, number the anchors and format it,
+  and output it on standard output.
+
+  Usage
+
+    htmldump [-u] [URL]
+
+    -u: Append URL after each anchor, instead of reference number.
+
+    If URL is omitted, $WWW_HOME is used instead.
+
+  Bugs
+
+    It assumes that the document on URL is HTML.
+    As it uses makeref to number the anchor, it can't handle any document
+    makeref can't handle.
diff --git a/Bonus/html2latex b/Bonus/html2latex
new file mode 100755
index 0000000..7b894e7
--- /dev/null
+++ b/Bonus/html2latex
@@ -0,0 +1,517 @@
+#!/usr/local/bin/ruby
+
+#
+#       HTML to LaTeX converter
+#         by A. Ito, 16 June, 1997
+#
+
+require 'kconv'
+
+# configuration
+def gif2eps(giffile,epsfile)
+  cmd = "convert #{giffile} #{epsfile}"
+  STDERR.print cmd,"\n"
+  system cmd
+end
+
+###########################################################################
+class Tag
+  def initialize(str)
+    if str =~ /<(.+)>/ then
+      str = $1
+    end
+    tags = str.split
+    @tagname = tags.shift.downcase
+    @vals = {}
+    tags.each do |t|
+      if t =~ /=/ then
+	tn,tv = t.split(/\s*=\s*/,2)
+	tv.sub!(/^"/,"")
+	tv.sub!(/"$/,"")
+	@vals[tn.downcase] = tv
+      else
+	@vals[t.downcase] = TRUE
+      end
+    end
+  end
+  def tagname
+    return @tagname
+  end
+  def each
+    @vals.each do |k,v|
+      yield k,v
+    end
+  end
+  def switch(k)
+    return @vals[k]
+  end
+end
+
+class TokenStream
+  TAG_START = ?<
+  TAG_END = ?>
+  AMP_START = ?&
+  AMP_END = ?;
+  
+  AMP_REPLACE_TABLE = {
+    '&amp;'   => '\\&',
+    '&gt;'    => '$>$',
+    '&lt;'    => '$<$',
+    '&nbsp;'  => '~',
+    '&quot;'  => '"',
+  }
+  def initialize(file)
+    if file.kind_of?(File) then
+      @f = file
+    else
+      @f = File.new(file)
+    end
+    @buf = nil
+    @bpos = 0
+  end
+  
+  def read_until(endsym)
+    complete = FALSE
+    tag = []
+    begin
+      while @bpos < @buf.size
+	c = @buf[@bpos]
+	if c == endsym then
+	  tag.push(c.chr)
+	  complete = TRUE
+	  @bpos += 1
+	  break
+	end
+	if c == 10 || c == 13 then
+	  tag.push(' ')
+	else
+	  tag.push(c.chr)
+	end
+	@bpos += 1
+      end
+      unless complete
+	@buf = @f.gets
+	@bpos = 0
+	break if @f.eof?
+      end
+    end until complete
+    return tag.join('')
+  end
+    
+  def get
+    while TRUE
+      if @buf.nil? then
+	@buf = Kconv.toeuc(@f.gets)
+	if @f.eof? then
+	  return nil
+	end
+	@bpos = 0
+      end
+      if @buf[@bpos] == TAG_START then
+	return Tag.new(read_until(TAG_END))
+      elsif @buf[@bpos] == AMP_START then
+	return replace_amp(read_until(AMP_END))
+      else
+	i = @bpos
+	while i < @buf.size && @buf[i] != TAG_START && @buf[i] != AMP_START
+	  i += 1
+	end
+	r = @buf[@bpos,i-@bpos]
+	if i == @buf.size then
+	  @buf = nil
+	else
+	  @bpos = i
+	end
+	redo if r =~ /^\s+$/
+	return r
+      end
+    end
+  end
+  public :eof?
+  def eof?
+    @f.eof?
+  end
+  def replace_amp(s)
+    if AMP_REPLACE_TABLE.key?(s) then
+      return AMP_REPLACE_TABLE[s]
+    else
+      return s
+    end
+  end
+end
+
+
+def print_header
+  print '
+\documentstyle[epsf]{jarticle}
+\def\hr{\par\hbox to \textwidth{\hrulefill}}
+\def\pre{\begin{quote}\def\baselinestretch{0.8}\tt\obeylines}
+\def\endpre{\end{quote}}
+\makeatletter
+\@ifundefined{gt}{\let\gt=\dg}{}
+\makeatother
+'
+end
+
+
+class Environ_stack
+  def initialize(*envs)
+    @stack = envs
+  end
+  def action(tag)
+    if tag =~ /^!/ then # comment
+      return ["",nil]
+    end
+    i = @stack.size-1
+    while i >= 0
+      a = @stack[i].action(tag)
+      unless a.nil? then
+	return a
+      end
+      i -= 1
+    end
+    return nil
+  end
+  def pop
+    @stack.pop
+  end
+  def push(env)
+    @stack.push(env)
+  end
+  def top
+    @stack[@stack.size-1]
+  end
+  def dup
+    @stack.push(top.clone)
+  end
+end
+
+
+class Environment
+  def initialize(interp)
+    @silent = FALSE
+    @in_table = FALSE
+    @interp = interp;
+    @align = nil;
+  end
+  def action(tag)
+    return @interp[tag]
+  end
+  
+  def flush(tok)
+    if tok.kind_of?(String) then
+      tok = tok.gsub(/&/,"\\&");
+      tok = tok.gsub(/%/,"\\%");
+      tok = tok.gsub(/#/,"\\#");
+      tok = tok.gsub(/\$/,"\\$");
+      tok = tok.gsub(/_/,"\\verb+_+");
+      tok = tok.gsub(/\^/,"\\verb+^+");
+      tok = tok.gsub(/~/,"\\verb+~+");
+    end
+    if @in_table then
+      @table[@table_rows][@table_cols] += tok
+    elsif !@silent then
+      if !@align.nil? && tok =~ /\n$/ then
+	print tok.chop,"\\\\\n"
+      else
+	print tok
+      end
+    end
+  end
+  
+  def set_interp(interp)
+    @interp = interp
+  end
+  
+  # tag processing methods
+  
+  # <TITLE>
+  def do_silent(tag)
+    @silent = TRUE
+  end
+  
+  # </TITLE>
+  def undo_silent(tag)
+    @silent = FALSE
+  end
+  
+  # <IMG>
+  def img_proc(tag)
+    src = tag.switch('src')
+    newfile = src.sub(/\.GIF/i,".eps")
+    gif2eps(src,newfile)
+    flush "\\epsfile{file=#{newfile}}\n"
+  end
+  
+  # <TABLE>
+  def starttable(tag)
+    @table = []
+    @tablespan = []
+    @table_rows = -1
+    @table_cols_max = 0
+    @in_table = TRUE
+    unless tag.switch('border').nil? then
+      @table_border = TRUE
+    else
+      @table_border = FALSE
+    end
+  end
+  
+  # <TR>
+  def start_row(tag)
+    @table_rows += 1
+    @table[@table_rows] = []
+    @tablespan[@table_rows] = []
+    @table_cols = -1
+    @colspan = 1
+  end
+  
+  # <TD>
+  def start_col(tag)
+    @colspan = tag.switch('colspan')
+    if @colspan.nil? then
+      @colspan = 1
+    else
+      @colspan = @colspan.to_i
+    end
+    @tablespan[@table_rows][@table_cols+1] = @colspan
+    @table_cols += @colspan
+    if @table_cols > @table_cols_max then
+      @table_cols_max = @table_cols
+    end
+  end
+  
+  # </TABLE>
+  def endtable(tag)
+    @in_table = FALSE
+    flush "\\begin{tabular}{*{"
+    flush @table_cols_max+1
+    if @table_border then
+      flush "}{|l}|}\n\\hline\n"
+    else
+      flush "}{l}}\n"
+    end
+    for i in 0..@table_rows
+      j = 0
+      while j <= @table_cols
+	span = @tablespan[i][j]
+	if span == 1 then
+	  flush @table[i][j]
+	elsif @table_border then
+	  form = "|l"
+	  if j+span > @table_cols then
+	    form = "|l|"
+	  end
+	  flush "\\multicolumn{"+span.to_s+"}{"+form+"}{"
+	  flush @table[i][j+span-1]
+	  flush "}"
+	else
+	  flush "\\multicolumn{"+span.to_s+"}{l}{"
+	  flush @table[i][j+span-1]
+	  flush "}"
+	end
+	j += span
+	if j <= @table_cols then
+	  flush "&"
+	end
+      end
+      flush "\\\\\n"
+      flush "\\hline\n" if @table_border
+    end
+    flush "\\end{tabular}\n"
+  end  
+  
+  # <CENTER>
+  def startcenter(tag)
+    if @in_table then
+      flush "\\hfil"
+    else
+      flush "\\begin{center}\n"
+    end
+  end
+  
+  # </CENTER>
+  def endcenter(tag)
+    if @in_table then
+      flush "\\hfil"
+    else
+      flush "\\end{center}\n"
+    end
+  end
+  
+  # <P>
+  def paragraph(tag)
+    align = tag.switch('align')
+    if align.nil? then
+      flush "\\par\n"
+      @endparagraph = ""
+    else
+      align = align.downcase
+      case align
+      when "left" then
+	flush "\\begin{flushleft}\n"
+	@endparagraph = "\\end{flushleft}\n"
+      when "center" then
+	flush "\\begin{center}\n"
+	@endparagraph = "\\end{center}\n"
+      when "right" then
+	flush "\\begin{flushright}\n"
+	@endparagraph = "\\end{flushright}\n"
+      end
+    end
+    @align = align
+  end
+  
+  # </P>
+  def endparagraph(tag)
+    unless @align.nil? then
+      @align = nil
+      flush @endparagraph
+    end
+  end
+end
+
+
+enum_interp = {
+  'li' => ["\\item ",nil]
+}
+
+item_interp = {
+  'li' => ["\\item ",nil]
+}
+
+desc_interp = {
+  'dt' => ["\\item[",nil],
+  'dd' => ["]\n",nil]
+}
+
+table_interp = {
+  'tr' => [:start_row,nil],
+  'td' => [:start_col,nil],
+  '/tr' => ["",nil],
+  '/td' => ["",nil],
+}
+
+para_interp = {
+  '/p'      => [:endparagraph ,"pop",TRUE],
+}
+
+main_interp = {
+  'body'    => ["\\begin{document}\n",nil,FALSE],
+  '/body'   => ["\\end{document}\n",nil,FALSE],
+  'head'    => ["",nil,FALSE],
+  '/head'   => ["",nil,FALSE],
+  'html'    => ["",nil,FALSE],
+  '/html'   => ["",nil,FALSE],
+  'title'   => [:do_silent,nil,FALSE],
+  '/title'  => [:undo_silent,nil,FALSE],
+  '!'       => ["",nil,FALSE],
+  'h1'      => ["\\section{",nil,TRUE],
+  'h2'      => ["\\subsection{",nil,TRUE],
+  'h3'      => ["\\subsubsection{",nil,TRUE],
+  'h4'      => ["\\paragraph{",nil,TRUE],
+  '/h1'     => ["}\n",nil,TRUE],
+  '/h2'     => ["}\n",nil,TRUE],
+  '/h3'     => ["}\n",nil,TRUE],
+  '/h4'     => ["}\n",nil,TRUE],
+  'a'       => ["",nil,TRUE],
+  '/a'      => ["",nil,TRUE],
+  'center'  => [:startcenter,nil,TRUE],
+  '/center' => [:endcenter,nil,TRUE],
+  'ol'      => ["\\begin{enumerate}\n",enum_interp,TRUE],
+  '/ol'     => ["\\end{enumerate}\n","pop",TRUE],
+  'ul'      => ["\\begin{itemize}\n",item_interp,TRUE],
+  '/ul'     => ["\\end{itemize}\n","pop",TRUE],
+  'dl'      => ["\\begin{description}\n",desc_interp,TRUE],
+  '/dl'     => ["\\end{description}\n","pop",TRUE],
+  'pre'     => ["\\begin{pre}\n",nil,TRUE],
+  '/pre'    => ["\\end{pre}\n",nil,TRUE],
+  'p'       => [:paragraph ,para_interp,TRUE],
+  'br'      => ["\\par ",nil,TRUE],
+  'img'     => [:img_proc,nil,TRUE],
+  'hr'      => ["\\hr ",nil,TRUE],
+  'b'       => ["{\\bf\\gt ",nil,TRUE],
+  '/b'      => ["}",nil,TRUE],
+  'strong'  => ["{\\bf\\gt ",nil,TRUE],
+  '/strong' => ["}",nil,TRUE],
+  'dfn'     => ["{\\bf\\gt ",nil,TRUE],
+  '/dfn'    => ["}",nil,TRUE],
+  'i'       => ["{\\it",nil,TRUE],
+  '/i'      => ["}",nil,TRUE],
+  'address' => ["{\\it",nil,TRUE],
+  '/address'=> ["}",nil,TRUE],
+  'cite'    => ["{\\it",nil,TRUE],
+  '/cite'   => ["}",nil,TRUE],
+  'code'    => ["{\\tt",nil,TRUE],
+  '/code'   => ["}",nil,TRUE],
+  'kbd'     => ["{\\tt",nil,TRUE],
+  '/kbd'    => ["}",nil,TRUE],
+  'tt'      => ["{\\tt",nil,TRUE],
+  '/tt'     => ["}",nil,TRUE],
+  'samp'    => ["{\\tt",nil,TRUE],
+  '/samp'   => ["}",nil,TRUE],
+  'em'      => ["{\\em",nil,TRUE],
+  '/em'     => ["}",nil,TRUE],
+  'u'       => ["$\\underline{\\mbox{",nil,TRUE],
+  '/u'      => ["}}$",nil,TRUE],
+  'sub'     => ["${}_\mbox{",nil,TRUE],
+  '/sub'    => ["}$",nil,TRUE],
+  'sup'     => ["${}^\mbox{",nil,TRUE],
+  '/sup'    => ["}$",nil,TRUE],
+  'table'   => [:starttable, table_interp,TRUE],
+  '/table'  => [:endtable, "pop",TRUE],
+  'font'    => ["",nil,TRUE],
+  '/font'   => ["",nil,TRUE],
+}
+
+
+
+
+################################ MAIN ####################################
+
+$in_document = FALSE
+print_header
+intp = Environ_stack.new(Environment.new(main_interp))
+f = TokenStream.new(ARGV[0])
+until f.eof?
+  tok = f.get
+  if tok.kind_of?(Tag) then
+    case tok.tagname
+    when "body"
+      $in_document = TRUE
+    when "/body"
+      $in_document = FALSE
+    end
+    act = intp.action(tok.tagname)
+    if act.nil? then
+      STDERR.print "tag ",tok.tagname," ignored\n"
+    else
+      if act[2] && !$in_document then
+        print "\\begin{document}\n"
+	$in_document = TRUE
+      end
+      # enviconment push
+      if act[1].kind_of?(Hash) &&
+	  (tok.tagname != "p" || tok.switch('align') != nil) then
+	  intp.dup
+	  intp.top.set_interp(act[1])
+      end
+      
+      if act[0].kind_of?(String) then
+	intp.top.flush act[0]
+      elsif act[0].kind_of?(Fixnum) then # interned symbol
+	intp.top.send(act[0],tok)
+      end
+      
+      # environment pop
+      if act[1] == "pop" then
+	intp.pop
+      end
+    end
+  elsif !tok.nil? then
+    intp.top.flush tok
+  end
+end
+if $in_document then
+  print "\\end{document}\n"
+end
diff --git a/Bonus/htmldump b/Bonus/htmldump
new file mode 100755
index 0000000..4be60bf
--- /dev/null
+++ b/Bonus/htmldump
@@ -0,0 +1,12 @@
+#!/bin/sh
+OPT=
+if [ $# -gt 0 -a $1 = "-u" ]; then
+  OPT=-u
+  shift
+fi
+if [ $# = 0 ]; then
+  URL=$WWW_HOME
+else
+  URL=$1
+fi
+w3m -dump_source $URL | makeref $OPT -url $URL | w3m -dump -F -T text/html
diff --git a/Bonus/makeref b/Bonus/makeref
new file mode 100755
index 0000000..9cb1942
--- /dev/null
+++ b/Bonus/makeref
@@ -0,0 +1,266 @@
+#!/usr/local/bin/ruby
+
+#  HTML reference generator
+#  by A.Ito 1999/3/30
+
+require 'kconv'
+
+###########################################################################
+class URL
+  attr 'scheme'
+  attr 'host'
+  attr 'port'
+  attr 'file'
+  attr 'label'
+  def initialize(str)
+    if /([a-zA-Z+\-]+):(.*)/ =~ str then
+      @scheme = $1
+      str = $2
+    else
+      @scheme = 'unknown'
+    end
+    hostpart = ''
+    if %r'//([^/]*)(/.*)' =~ str then
+      hostpart = $1
+      str = $2
+    elsif %r'//([^/]*)$' =~ str then
+      hostpart = str
+      str = ''
+    end
+    if hostpart != '' then
+      if /(.*):(\d+)/ =~ hostpart then
+        @host = $1
+        @port = $2
+      else
+        @host = hostpart
+        @port = ''
+      end
+    else
+      @host = @port = ''
+    end
+    if /(.*)#(.*)/ =~ str then
+      @file = $1
+      @label = $2
+    else
+      @file = str
+      @label = ''
+    end
+  end
+  def to_s
+    s = "#{@scheme}:"
+    if s == 'news' or s == 'mailto' then
+      return s+@file
+    end
+    s += "//"+@host
+    s += ":"+@port if @port.size > 0
+    s += @file
+    s += "#"+@label if @label.size > 0
+    s
+  end
+  def complete(current)
+    @scheme = current.scheme  if @scheme == 'unknown'
+    @port = current.port if @host == '' and @port == ''
+    @host = current.host if @host == ''
+    unless @file =~ %r'^/' then
+      @file = File.expand_path(File.dirname(current.file)+'/'+@file)
+    end
+    self
+  end
+end
+
+class Tag
+  def initialize(str)
+    if str =~ /<(.+)>/ then
+      str = $1
+    end
+    tags = str.split
+    @tagname = tags.shift.downcase
+    @vals = {}
+    tags.each do |t|
+      if t =~ /=/ then
+	tn,tv = t.split(/\s*=\s*/,2)
+	tv.sub!(/^"/,"")
+	tv.sub!(/"$/,"")
+	@vals[tn.downcase] = tv
+      else
+	@vals[t.downcase] = TRUE
+      end
+    end
+  end
+  def tagname
+    return @tagname
+  end
+  def each
+    @vals.each do |k,v|
+      yield k,v
+    end
+  end
+  def switch(k)
+    return @vals[k]
+  end
+  def to_s
+    if tagname =~ /!--/ then
+      return ''
+    end
+    t = "<"+tagname
+    if @vals.size == 0 then
+      return t+">"
+    end
+    each do |a,v|
+      if v == true then
+        t += " #{a}"
+      else
+        t += " #{a}=\"#{v}\""
+      end
+    end
+    t+">"
+  end
+end
+
+class TokenStream
+  TAG_START = ?<
+  TAG_END = ?>
+  AMP_START = ?&
+  AMP_END = ?;
+  
+  def initialize(file)
+    if file.kind_of?(IO) then
+      @f = file
+    else
+      @f = File.new(file)
+    end
+    @buf = nil
+    @bpos = 0
+  end
+  
+  def read_until(endsym)
+    complete = FALSE
+    tag = []
+    begin
+      while @bpos < @buf.size
+	c = @buf[@bpos]
+	if c == endsym then
+	  tag.push(c.chr)
+	  complete = TRUE
+	  @bpos += 1
+	  break
+	end
+	if c == 10 || c == 13 then
+	  tag.push(' ')
+	else
+	  tag.push(c.chr)
+	end
+	@bpos += 1
+      end
+      unless complete
+	@buf = @f.gets
+	@bpos = 0
+	break if @f.eof?
+      end
+    end until complete
+    return tag.join('')
+  end
+    
+  def get
+    while TRUE
+      if @buf.nil? then
+	@buf = @f.gets
+	if @f.eof? then
+	  return nil
+	end
+        @buf = Kconv.toeuc(@buf)
+	@bpos = 0
+      end
+      if @buf[@bpos] == TAG_START then
+	return Tag.new(read_until(TAG_END))
+      elsif @buf[@bpos] == AMP_START then
+	return read_until(AMP_END)
+      else
+	i = @bpos
+	while i < @buf.size && @buf[i] != TAG_START && @buf[i] != AMP_START
+	  i += 1
+	end
+	r = @buf[@bpos,i-@bpos]
+	if i == @buf.size then
+	  @buf = nil
+	else
+	  @bpos = i
+	end
+	redo if r =~ /^\s+$/
+	return r
+      end
+    end
+  end
+  public :eof?
+  def eof?
+    @f.eof?
+  end
+end
+
+################################ MAIN ####################################
+
+refs = []
+refnum = 0
+body_finished = false
+html_finished = false
+currentURL = nil
+immediate_ref = false
+
+while ARGV[0] =~ /^-/
+  case ARGV.shift
+  when '-url'
+    currentURL = URL.new(ARGV.shift)
+  when '-u'
+    immediate_ref = true
+  end
+end
+
+if ARGV.size > 0 then
+  f = TokenStream.new(ARGV[0])
+else
+  f = TokenStream.new(STDIN)
+end
+
+until f.eof?
+  tok = f.get
+  if tok.kind_of?(Tag) then
+    if tok.tagname == 'a' and !tok.switch('href').nil? then
+      refs[refnum] = tok.switch('href')
+      refnum += 1
+    elsif tok.tagname == '/a' then
+      if immediate_ref then
+        r = refs[refnum-1]
+        if !currentURL.nil? then
+          r = URL.new(r).complete(currentURL).to_s
+        end
+        print "[#{r}]"
+      else
+        print "[#{refnum}]"
+      end
+    elsif tok.tagname == '/body' then
+      body_finished = true
+      break
+    elsif tok.tagname == '/html' then
+      html_finished = true
+      break
+    end
+    print tok.to_s
+  elsif !tok.nil? then
+    print tok
+  end
+end
+if !immediate_ref and refs.size > 0 then
+  print "<hr><h2>References</h2>\n"
+  for i in 0..refs.size-1
+    if currentURL.nil? then
+      r = refs[i]
+    else
+      r = URL.new(refs[i])
+      r.complete(currentURL)
+      r = r.to_s
+    end
+    print "[#{i+1}] #{r}<br>\n"
+  end
+end
+print "</body>\n" unless body_finished
+print "</html>\n" unless html_finished
diff --git a/Bonus/scanhist.rb b/Bonus/scanhist.rb
new file mode 100644
index 0000000..69dcc9d
--- /dev/null
+++ b/Bonus/scanhist.rb
@@ -0,0 +1,88 @@
+#!/usr/local/bin/ruby
+
+# scan history
+
+def usage
+  STDERR.print "usage: scanhist -h HISTORY ML-archive1 ML-archive2 ...\n"
+  exit 1
+end
+
+def html_quote(s)
+  s.gsub!(/&/,"&amp;")
+  s.gsub!(/</,"&lt;")
+  s.gsub!(/>/,"&gt;")
+  s
+end
+
+if ARGV.size == 0 then
+  usage
+end
+
+histfile = nil
+
+while ARGV[0] =~ /^-/
+  case ARGV.shift
+  when "-h"
+    histfile = ARGV.shift
+  else
+    usage
+  end
+end
+
+if histfile.nil? then
+  usage
+end
+
+patched = {}
+histline = {}
+f = open(histfile)
+while f.gets
+  if /Subject: (\[w3m-dev.*\])/ then
+    patched[$1] = true
+    histline[$1] = $.
+  end
+end
+f.close
+
+archive = {}
+subject = nil
+for fn in ARGV
+  f = open(fn)
+  while f.gets
+    if /^From / then
+       # beginning of a mail
+       subject = nil
+    elsif subject.nil? and /^Subject: / then
+       $_ =~ /Subject: (\[w3m-dev.*\])/
+       subject = $1
+       archive[subject] = [$_.chop.sub(/^Subject:\s*/,""),false,fn+"#"+($.).to_s]
+    elsif /^\+\+\+/ or /\*\*\*/ or  /filename=.*(patch|diff).*/ or /^begin \d\d\d/
+       archive[subject][1] = true
+    end
+  end
+  f.close
+end
+
+print "<html><head><title>w3m patch configuration\n</title></head><body>\n"
+print "<pre>\n"
+for sub in archive.keys.sort
+  a = archive[sub]
+  if a[1] then
+    if patched[sub] then
+      print "[<a href=\"#{histfile}\##{histline[sub]}\">+</a>]"
+    else
+      print "[-]"
+    end
+    print "<a href=\"#{a[2]}\">"
+    print "<b>",html_quote(a[0]),"</b></a>\n"
+  else
+    if patched[sub] then
+      print "[<a href=\"#{histfile}\##{histline[sub]}\">o</a>]"
+    else
+      print "   "
+    end
+    print "<a href=\"#{a[2]}\">"
+    print "<b>",html_quote(a[0]),"</b></a>\n"
+  end
+end
+print "</pre></body></html>\n"
diff --git a/Bonus/wrap3m b/Bonus/wrap3m
new file mode 100755
index 0000000..9555c9a
--- /dev/null
+++ b/Bonus/wrap3m
@@ -0,0 +1,33 @@
+#!/bin/sh
+
+HOMEPAGE=http://ei5nazha.yz.yamagata-u.ac.jp/~aito/w3m/
+OPT=""
+URL=""
+for i in $@
+do
+  case $i in
+  -*) 
+    OPT="$OPT $i"
+    ;;
+  *)
+    URL="$URL $i"
+    ;;
+  esac
+done
+
+if [ -z "$URL" ]; then
+  URL=$HOMEPAGE
+fi
+URLARG=""
+for u in $URL
+do
+  if [ `expr $u : '[a-z][a-z]*://'` -gt 0 ]; then
+    URLARG="$URLARG $u"
+  elif [ -f $u -o -d $u ]; then
+    URLARG="$URLARG $u"
+  else
+    URLARG="$URLARG http://$u"
+  fi
+done
+
+w3m $OPTS $URLARG