symbian-qemu-0.9.1-12/python-2.6.1/Tools/scripts/texi2html.py
changeset 1 2fb8b9db1c86
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/python-2.6.1/Tools/scripts/texi2html.py	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,2078 @@
+#! /usr/bin/env python
+
+# Convert GNU texinfo files into HTML, one file per node.
+# Based on Texinfo 2.14.
+# Usage: texi2html [-d] [-d] [-c] inputfile outputdirectory
+# The input file must be a complete texinfo file, e.g. emacs.texi.
+# This creates many files (one per info node) in the output directory,
+# overwriting existing files of the same name.  All files created have
+# ".html" as their extension.
+
+
+# XXX To do:
+# - handle @comment*** correctly
+# - handle @xref {some words} correctly
+# - handle @ftable correctly (items aren't indexed?)
+# - handle @itemx properly
+# - handle @exdent properly
+# - add links directly to the proper line from indices
+# - check against the definitive list of @-cmds; we still miss (among others):
+# - @defindex (hard)
+# - @c(omment) in the middle of a line (rarely used)
+# - @this* (not really needed, only used in headers anyway)
+# - @today{} (ever used outside title page?)
+
+# More consistent handling of chapters/sections/etc.
+# Lots of documentation
+# Many more options:
+#       -top    designate top node
+#       -links  customize which types of links are included
+#       -split  split at chapters or sections instead of nodes
+#       -name   Allow different types of filename handling. Non unix systems
+#               will have problems with long node names
+#       ...
+# Support the most recent texinfo version and take a good look at HTML 3.0
+# More debugging output (customizable) and more flexible error handling
+# How about icons ?
+
+# rpyron 2002-05-07
+# Robert Pyron <rpyron@alum.mit.edu>
+# 1. BUGFIX: In function makefile(), strip blanks from the nodename.
+#    This is necesary to match the behavior of parser.makeref() and
+#    parser.do_node().
+# 2. BUGFIX fixed KeyError in end_ifset (well, I may have just made
+#    it go away, rather than fix it)
+# 3. BUGFIX allow @menu and menu items inside @ifset or @ifclear
+# 4. Support added for:
+#       @uref        URL reference
+#       @image       image file reference (see note below)
+#       @multitable  output an HTML table
+#       @vtable
+# 5. Partial support for accents, to match MAKEINFO output
+# 6. I added a new command-line option, '-H basename', to specify
+#    HTML Help output. This will cause three files to be created
+#    in the current directory:
+#       `basename`.hhp  HTML Help Workshop project file
+#       `basename`.hhc  Contents file for the project
+#       `basename`.hhk  Index file for the project
+#    When fed into HTML Help Workshop, the resulting file will be
+#    named `basename`.chm.
+# 7. A new class, HTMLHelp, to accomplish item 6.
+# 8. Various calls to HTMLHelp functions.
+# A NOTE ON IMAGES: Just as 'outputdirectory' must exist before
+# running this program, all referenced images must already exist
+# in outputdirectory.
+
+import os
+import sys
+import string
+import re
+
+MAGIC = '\\input texinfo'
+
+cmprog = re.compile('^@([a-z]+)([ \t]|$)')        # Command (line-oriented)
+blprog = re.compile('^[ \t]*$')                   # Blank line
+kwprog = re.compile('@[a-z]+')                    # Keyword (embedded, usually
+                                                  # with {} args)
+spprog = re.compile('[\n@{}&<>]')                 # Special characters in
+                                                  # running text
+                                                  #
+                                                  # menu item (Yuck!)
+miprog = re.compile('^\* ([^:]*):(:|[ \t]*([^\t,\n.]+)([^ \t\n]*))[ \t\n]*')
+#                   0    1     1 2        3          34         42        0
+#                         -----            ----------  ---------
+#                                 -|-----------------------------
+#                    -----------------------------------------------------
+
+
+
+
+class HTMLNode:
+    """Some of the parser's functionality is separated into this class.
+
+    A Node accumulates its contents, takes care of links to other Nodes
+    and saves itself when it is finished and all links are resolved.
+    """
+
+    DOCTYPE = '<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">'
+
+    type = 0
+    cont = ''
+    epilogue = '</BODY></HTML>\n'
+
+    def __init__(self, dir, name, topname, title, next, prev, up):
+        self.dirname = dir
+        self.name = name
+        if topname:
+            self.topname = topname
+        else:
+            self.topname = name
+        self.title = title
+        self.next = next
+        self.prev = prev
+        self.up = up
+        self.lines = []
+
+    def write(self, *lines):
+        map(self.lines.append, lines)
+
+    def flush(self):
+        fp = open(self.dirname + '/' + makefile(self.name), 'w')
+        fp.write(self.prologue)
+        fp.write(self.text)
+        fp.write(self.epilogue)
+        fp.close()
+
+    def link(self, label, nodename, rel=None, rev=None):
+        if nodename:
+            if nodename.lower() == '(dir)':
+                addr = '../dir.html'
+                title = ''
+            else:
+                addr = makefile(nodename)
+                title = ' TITLE="%s"' % nodename
+            self.write(label, ': <A HREF="', addr, '"', \
+                       rel and (' REL=' + rel) or "", \
+                       rev and (' REV=' + rev) or "", \
+                       title, '>', nodename, '</A>  \n')
+
+    def finalize(self):
+        length = len(self.lines)
+        self.text = ''.join(self.lines)
+        self.lines = []
+        self.open_links()
+        self.output_links()
+        self.close_links()
+        links = ''.join(self.lines)
+        self.lines = []
+        self.prologue = (
+            self.DOCTYPE +
+            '\n<HTML><HEAD>\n'
+            '  <!-- Converted with texi2html and Python -->\n'
+            '  <TITLE>' + self.title + '</TITLE>\n'
+            '  <LINK REL=Next HREF="'
+                + makefile(self.next) + '" TITLE="' + self.next + '">\n'
+            '  <LINK REL=Previous HREF="'
+                + makefile(self.prev) + '" TITLE="' + self.prev  + '">\n'
+            '  <LINK REL=Up HREF="'
+                + makefile(self.up) + '" TITLE="' + self.up  + '">\n'
+            '</HEAD><BODY>\n' +
+            links)
+        if length > 20:
+            self.epilogue = '<P>\n%s</BODY></HTML>\n' % links
+
+    def open_links(self):
+        self.write('<HR>\n')
+
+    def close_links(self):
+        self.write('<HR>\n')
+
+    def output_links(self):
+        if self.cont != self.next:
+            self.link('  Cont', self.cont)
+        self.link('  Next', self.next, rel='Next')
+        self.link('  Prev', self.prev, rel='Previous')
+        self.link('  Up', self.up, rel='Up')
+        if self.name <> self.topname:
+            self.link('  Top', self.topname)
+
+
+class HTML3Node(HTMLNode):
+
+    DOCTYPE = '<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML Level 3//EN//3.0">'
+
+    def open_links(self):
+        self.write('<DIV CLASS=Navigation>\n <HR>\n')
+
+    def close_links(self):
+        self.write(' <HR>\n</DIV>\n')
+
+
+class TexinfoParser:
+
+    COPYRIGHT_SYMBOL = "&copy;"
+    FN_ID_PATTERN = "(%(id)s)"
+    FN_SOURCE_PATTERN = '<A NAME=footnoteref%(id)s' \
+                        ' HREF="#footnotetext%(id)s">' \
+                        + FN_ID_PATTERN + '</A>'
+    FN_TARGET_PATTERN = '<A NAME=footnotetext%(id)s' \
+                        ' HREF="#footnoteref%(id)s">' \
+                        + FN_ID_PATTERN + '</A>\n%(text)s<P>\n'
+    FN_HEADER = '\n<P>\n<HR NOSHADE SIZE=1 WIDTH=200>\n' \
+                '<STRONG><EM>Footnotes</EM></STRONG>\n<P>'
+
+
+    Node = HTMLNode
+
+    # Initialize an instance
+    def __init__(self):
+        self.unknown = {}       # statistics about unknown @-commands
+        self.filenames = {}     # Check for identical filenames
+        self.debugging = 0      # larger values produce more output
+        self.print_headers = 0  # always print headers?
+        self.nodefp = None      # open file we're writing to
+        self.nodelineno = 0     # Linenumber relative to node
+        self.links = None       # Links from current node
+        self.savetext = None    # If not None, save text head instead
+        self.savestack = []     # If not None, save text head instead
+        self.htmlhelp = None    # html help data
+        self.dirname = 'tmp'    # directory where files are created
+        self.includedir = '.'   # directory to search @include files
+        self.nodename = ''      # name of current node
+        self.topname = ''       # name of top node (first node seen)
+        self.title = ''         # title of this whole Texinfo tree
+        self.resetindex()       # Reset all indices
+        self.contents = []      # Reset table of contents
+        self.numbering = []     # Reset section numbering counters
+        self.nofill = 0         # Normal operation: fill paragraphs
+        self.values={'html': 1} # Names that should be parsed in ifset
+        self.stackinfo={}       # Keep track of state in the stack
+        # XXX The following should be reset per node?!
+        self.footnotes = []     # Reset list of footnotes
+        self.itemarg = None     # Reset command used by @item
+        self.itemnumber = None  # Reset number for @item in @enumerate
+        self.itemindex = None   # Reset item index name
+        self.node = None
+        self.nodestack = []
+        self.cont = 0
+        self.includedepth = 0
+
+    # Set htmlhelp helper class
+    def sethtmlhelp(self, htmlhelp):
+        self.htmlhelp = htmlhelp
+
+    # Set (output) directory name
+    def setdirname(self, dirname):
+        self.dirname = dirname
+
+    # Set include directory name
+    def setincludedir(self, includedir):
+        self.includedir = includedir
+
+    # Parse the contents of an entire file
+    def parse(self, fp):
+        line = fp.readline()
+        lineno = 1
+        while line and (line[0] == '%' or blprog.match(line)):
+            line = fp.readline()
+            lineno = lineno + 1
+        if line[:len(MAGIC)] <> MAGIC:
+            raise SyntaxError, 'file does not begin with %r' % (MAGIC,)
+        self.parserest(fp, lineno)
+
+    # Parse the contents of a file, not expecting a MAGIC header
+    def parserest(self, fp, initial_lineno):
+        lineno = initial_lineno
+        self.done = 0
+        self.skip = 0
+        self.stack = []
+        accu = []
+        while not self.done:
+            line = fp.readline()
+            self.nodelineno = self.nodelineno + 1
+            if not line:
+                if accu:
+                    if not self.skip: self.process(accu)
+                    accu = []
+                if initial_lineno > 0:
+                    print '*** EOF before @bye'
+                break
+            lineno = lineno + 1
+            mo = cmprog.match(line)
+            if mo:
+                a, b = mo.span(1)
+                cmd = line[a:b]
+                if cmd in ('noindent', 'refill'):
+                    accu.append(line)
+                else:
+                    if accu:
+                        if not self.skip:
+                            self.process(accu)
+                        accu = []
+                    self.command(line, mo)
+            elif blprog.match(line) and \
+                 'format' not in self.stack and \
+                 'example' not in self.stack:
+                if accu:
+                    if not self.skip:
+                        self.process(accu)
+                        if self.nofill:
+                            self.write('\n')
+                        else:
+                            self.write('<P>\n')
+                        accu = []
+            else:
+                # Append the line including trailing \n!
+                accu.append(line)
+        #
+        if self.skip:
+            print '*** Still skipping at the end'
+        if self.stack:
+            print '*** Stack not empty at the end'
+            print '***', self.stack
+        if self.includedepth == 0:
+            while self.nodestack:
+                self.nodestack[-1].finalize()
+                self.nodestack[-1].flush()
+                del self.nodestack[-1]
+
+    # Start saving text in a buffer instead of writing it to a file
+    def startsaving(self):
+        if self.savetext <> None:
+            self.savestack.append(self.savetext)
+            # print '*** Recursively saving text, expect trouble'
+        self.savetext = ''
+
+    # Return the text saved so far and start writing to file again
+    def collectsavings(self):
+        savetext = self.savetext
+        if len(self.savestack) > 0:
+            self.savetext = self.savestack[-1]
+            del self.savestack[-1]
+        else:
+            self.savetext = None
+        return savetext or ''
+
+    # Write text to file, or save it in a buffer, or ignore it
+    def write(self, *args):
+        try:
+            text = ''.join(args)
+        except:
+            print args
+            raise TypeError
+        if self.savetext <> None:
+            self.savetext = self.savetext + text
+        elif self.nodefp:
+            self.nodefp.write(text)
+        elif self.node:
+            self.node.write(text)
+
+    # Complete the current node -- write footnotes and close file
+    def endnode(self):
+        if self.savetext <> None:
+            print '*** Still saving text at end of node'
+            dummy = self.collectsavings()
+        if self.footnotes:
+            self.writefootnotes()
+        if self.nodefp:
+            if self.nodelineno > 20:
+                self.write('<HR>\n')
+                [name, next, prev, up] = self.nodelinks[:4]
+                self.link('Next', next)
+                self.link('Prev', prev)
+                self.link('Up', up)
+                if self.nodename <> self.topname:
+                    self.link('Top', self.topname)
+                self.write('<HR>\n')
+            self.write('</BODY>\n')
+            self.nodefp.close()
+            self.nodefp = None
+        elif self.node:
+            if not self.cont and \
+               (not self.node.type or \
+                (self.node.next and self.node.prev and self.node.up)):
+                self.node.finalize()
+                self.node.flush()
+            else:
+                self.nodestack.append(self.node)
+            self.node = None
+        self.nodename = ''
+
+    # Process a list of lines, expanding embedded @-commands
+    # This mostly distinguishes between menus and normal text
+    def process(self, accu):
+        if self.debugging > 1:
+            print '!'*self.debugging, 'process:', self.skip, self.stack,
+            if accu: print accu[0][:30],
+            if accu[0][30:] or accu[1:]: print '...',
+            print
+        if self.inmenu():
+            # XXX should be done differently
+            for line in accu:
+                mo = miprog.match(line)
+                if not mo:
+                    line = line.strip() + '\n'
+                    self.expand(line)
+                    continue
+                bgn, end = mo.span(0)
+                a, b = mo.span(1)
+                c, d = mo.span(2)
+                e, f = mo.span(3)
+                g, h = mo.span(4)
+                label = line[a:b]
+                nodename = line[c:d]
+                if nodename[0] == ':': nodename = label
+                else: nodename = line[e:f]
+                punct = line[g:h]
+                self.write('  <LI><A HREF="',
+                           makefile(nodename),
+                           '">', nodename,
+                           '</A>', punct, '\n')
+                self.htmlhelp.menuitem(nodename)
+                self.expand(line[end:])
+        else:
+            text = ''.join(accu)
+            self.expand(text)
+
+    # find 'menu' (we might be inside 'ifset' or 'ifclear')
+    def inmenu(self):
+        #if 'menu' in self.stack:
+        #    print 'inmenu   :', self.skip, self.stack, self.stackinfo
+        stack = self.stack
+        while stack and stack[-1] in ('ifset','ifclear'):
+            try:
+                if self.stackinfo[len(stack)]:
+                    return 0
+            except KeyError:
+                pass
+            stack = stack[:-1]
+        return (stack and stack[-1] == 'menu')
+
+    # Write a string, expanding embedded @-commands
+    def expand(self, text):
+        stack = []
+        i = 0
+        n = len(text)
+        while i < n:
+            start = i
+            mo = spprog.search(text, i)
+            if mo:
+                i = mo.start()
+            else:
+                self.write(text[start:])
+                break
+            self.write(text[start:i])
+            c = text[i]
+            i = i+1
+            if c == '\n':
+                self.write('\n')
+                continue
+            if c == '<':
+                self.write('&lt;')
+                continue
+            if c == '>':
+                self.write('&gt;')
+                continue
+            if c == '&':
+                self.write('&amp;')
+                continue
+            if c == '{':
+                stack.append('')
+                continue
+            if c == '}':
+                if not stack:
+                    print '*** Unmatched }'
+                    self.write('}')
+                    continue
+                cmd = stack[-1]
+                del stack[-1]
+                try:
+                    method = getattr(self, 'close_' + cmd)
+                except AttributeError:
+                    self.unknown_close(cmd)
+                    continue
+                method()
+                continue
+            if c <> '@':
+                # Cannot happen unless spprog is changed
+                raise RuntimeError, 'unexpected funny %r' % c
+            start = i
+            while i < n and text[i] in string.ascii_letters: i = i+1
+            if i == start:
+                # @ plus non-letter: literal next character
+                i = i+1
+                c = text[start:i]
+                if c == ':':
+                    # `@:' means no extra space after
+                    # preceding `.', `?', `!' or `:'
+                    pass
+                else:
+                    # `@.' means a sentence-ending period;
+                    # `@@', `@{', `@}' quote `@', `{', `}'
+                    self.write(c)
+                continue
+            cmd = text[start:i]
+            if i < n and text[i] == '{':
+                i = i+1
+                stack.append(cmd)
+                try:
+                    method = getattr(self, 'open_' + cmd)
+                except AttributeError:
+                    self.unknown_open(cmd)
+                    continue
+                method()
+                continue
+            try:
+                method = getattr(self, 'handle_' + cmd)
+            except AttributeError:
+                self.unknown_handle(cmd)
+                continue
+            method()
+        if stack:
+            print '*** Stack not empty at para:', stack
+
+    # --- Handle unknown embedded @-commands ---
+
+    def unknown_open(self, cmd):
+        print '*** No open func for @' + cmd + '{...}'
+        cmd = cmd + '{'
+        self.write('@', cmd)
+        if not self.unknown.has_key(cmd):
+            self.unknown[cmd] = 1
+        else:
+            self.unknown[cmd] = self.unknown[cmd] + 1
+
+    def unknown_close(self, cmd):
+        print '*** No close func for @' + cmd + '{...}'
+        cmd = '}' + cmd
+        self.write('}')
+        if not self.unknown.has_key(cmd):
+            self.unknown[cmd] = 1
+        else:
+            self.unknown[cmd] = self.unknown[cmd] + 1
+
+    def unknown_handle(self, cmd):
+        print '*** No handler for @' + cmd
+        self.write('@', cmd)
+        if not self.unknown.has_key(cmd):
+            self.unknown[cmd] = 1
+        else:
+            self.unknown[cmd] = self.unknown[cmd] + 1
+
+    # XXX The following sections should be ordered as the texinfo docs
+
+    # --- Embedded @-commands without {} argument list --
+
+    def handle_noindent(self): pass
+
+    def handle_refill(self): pass
+
+    # --- Include file handling ---
+
+    def do_include(self, args):
+        file = args
+        file = os.path.join(self.includedir, file)
+        try:
+            fp = open(file, 'r')
+        except IOError, msg:
+            print '*** Can\'t open include file', repr(file)
+            return
+        print '!'*self.debugging, '--> file', repr(file)
+        save_done = self.done
+        save_skip = self.skip
+        save_stack = self.stack
+        self.includedepth = self.includedepth + 1
+        self.parserest(fp, 0)
+        self.includedepth = self.includedepth - 1
+        fp.close()
+        self.done = save_done
+        self.skip = save_skip
+        self.stack = save_stack
+        print '!'*self.debugging, '<-- file', repr(file)
+
+    # --- Special Insertions ---
+
+    def open_dmn(self): pass
+    def close_dmn(self): pass
+
+    def open_dots(self): self.write('...')
+    def close_dots(self): pass
+
+    def open_bullet(self): pass
+    def close_bullet(self): pass
+
+    def open_TeX(self): self.write('TeX')
+    def close_TeX(self): pass
+
+    def handle_copyright(self): self.write(self.COPYRIGHT_SYMBOL)
+    def open_copyright(self): self.write(self.COPYRIGHT_SYMBOL)
+    def close_copyright(self): pass
+
+    def open_minus(self): self.write('-')
+    def close_minus(self): pass
+
+    # --- Accents ---
+
+    # rpyron 2002-05-07
+    # I would like to do at least as well as makeinfo when
+    # it is producing HTML output:
+    #
+    #   input               output
+    #     @"o                 @"o                umlaut accent
+    #     @'o                 'o                 acute accent
+    #     @,{c}               @,{c}              cedilla accent
+    #     @=o                 @=o                macron/overbar accent
+    #     @^o                 @^o                circumflex accent
+    #     @`o                 `o                 grave accent
+    #     @~o                 @~o                tilde accent
+    #     @dotaccent{o}       @dotaccent{o}      overdot accent
+    #     @H{o}               @H{o}              long Hungarian umlaut
+    #     @ringaccent{o}      @ringaccent{o}     ring accent
+    #     @tieaccent{oo}      @tieaccent{oo}     tie-after accent
+    #     @u{o}               @u{o}              breve accent
+    #     @ubaraccent{o}      @ubaraccent{o}     underbar accent
+    #     @udotaccent{o}      @udotaccent{o}     underdot accent
+    #     @v{o}               @v{o}              hacek or check accent
+    #     @exclamdown{}       &#161;             upside-down !
+    #     @questiondown{}     &#191;             upside-down ?
+    #     @aa{},@AA{}         &#229;,&#197;      a,A with circle
+    #     @ae{},@AE{}         &#230;,&#198;      ae,AE ligatures
+    #     @dotless{i}         @dotless{i}        dotless i
+    #     @dotless{j}         @dotless{j}        dotless j
+    #     @l{},@L{}           l/,L/              suppressed-L,l
+    #     @o{},@O{}           &#248;,&#216;      O,o with slash
+    #     @oe{},@OE{}         oe,OE              oe,OE ligatures
+    #     @ss{}               &#223;             es-zet or sharp S
+    #
+    # The following character codes and approximations have been
+    # copied from makeinfo's HTML output.
+
+    def open_exclamdown(self): self.write('&#161;')   # upside-down !
+    def close_exclamdown(self): pass
+    def open_questiondown(self): self.write('&#191;') # upside-down ?
+    def close_questiondown(self): pass
+    def open_aa(self): self.write('&#229;') # a with circle
+    def close_aa(self): pass
+    def open_AA(self): self.write('&#197;') # A with circle
+    def close_AA(self): pass
+    def open_ae(self): self.write('&#230;') # ae ligatures
+    def close_ae(self): pass
+    def open_AE(self): self.write('&#198;') # AE ligatures
+    def close_AE(self): pass
+    def open_o(self): self.write('&#248;')  # o with slash
+    def close_o(self): pass
+    def open_O(self): self.write('&#216;')  # O with slash
+    def close_O(self): pass
+    def open_ss(self): self.write('&#223;') # es-zet or sharp S
+    def close_ss(self): pass
+    def open_oe(self): self.write('oe')     # oe ligatures
+    def close_oe(self): pass
+    def open_OE(self): self.write('OE')     # OE ligatures
+    def close_OE(self): pass
+    def open_l(self): self.write('l/')      # suppressed-l
+    def close_l(self): pass
+    def open_L(self): self.write('L/')      # suppressed-L
+    def close_L(self): pass
+
+    # --- Special Glyphs for Examples ---
+
+    def open_result(self): self.write('=&gt;')
+    def close_result(self): pass
+
+    def open_expansion(self): self.write('==&gt;')
+    def close_expansion(self): pass
+
+    def open_print(self): self.write('-|')
+    def close_print(self): pass
+
+    def open_error(self): self.write('error--&gt;')
+    def close_error(self): pass
+
+    def open_equiv(self): self.write('==')
+    def close_equiv(self): pass
+
+    def open_point(self): self.write('-!-')
+    def close_point(self): pass
+
+    # --- Cross References ---
+
+    def open_pxref(self):
+        self.write('see ')
+        self.startsaving()
+    def close_pxref(self):
+        self.makeref()
+
+    def open_xref(self):
+        self.write('See ')
+        self.startsaving()
+    def close_xref(self):
+        self.makeref()
+
+    def open_ref(self):
+        self.startsaving()
+    def close_ref(self):
+        self.makeref()
+
+    def open_inforef(self):
+        self.write('See info file ')
+        self.startsaving()
+    def close_inforef(self):
+        text = self.collectsavings()
+        args = [s.strip() for s in text.split(',')]
+        while len(args) < 3: args.append('')
+        node = args[0]
+        file = args[2]
+        self.write('`', file, '\', node `', node, '\'')
+
+    def makeref(self):
+        text = self.collectsavings()
+        args = [s.strip() for s in text.split(',')]
+        while len(args) < 5: args.append('')
+        nodename = label = args[0]
+        if args[2]: label = args[2]
+        file = args[3]
+        title = args[4]
+        href = makefile(nodename)
+        if file:
+            href = '../' + file + '/' + href
+        self.write('<A HREF="', href, '">', label, '</A>')
+
+    # rpyron 2002-05-07  uref support
+    def open_uref(self):
+        self.startsaving()
+    def close_uref(self):
+        text = self.collectsavings()
+        args = [s.strip() for s in text.split(',')]
+        while len(args) < 2: args.append('')
+        href = args[0]
+        label = args[1]
+        if not label: label = href
+        self.write('<A HREF="', href, '">', label, '</A>')
+
+    # rpyron 2002-05-07  image support
+    # GNU makeinfo producing HTML output tries `filename.png'; if
+    # that does not exist, it tries `filename.jpg'. If that does
+    # not exist either, it complains. GNU makeinfo does not handle
+    # GIF files; however, I include GIF support here because
+    # MySQL documentation uses GIF files.
+
+    def open_image(self):
+        self.startsaving()
+    def close_image(self):
+        self.makeimage()
+    def makeimage(self):
+        text = self.collectsavings()
+        args = [s.strip() for s in text.split(',')]
+        while len(args) < 5: args.append('')
+        filename = args[0]
+        width    = args[1]
+        height   = args[2]
+        alt      = args[3]
+        ext      = args[4]
+
+        # The HTML output will have a reference to the image
+        # that is relative to the HTML output directory,
+        # which is what 'filename' gives us. However, we need
+        # to find it relative to our own current directory,
+        # so we construct 'imagename'.
+        imagelocation = self.dirname + '/' + filename
+
+        if   os.path.exists(imagelocation+'.png'):
+            filename += '.png'
+        elif os.path.exists(imagelocation+'.jpg'):
+            filename += '.jpg'
+        elif os.path.exists(imagelocation+'.gif'):   # MySQL uses GIF files
+            filename += '.gif'
+        else:
+            print "*** Cannot find image " + imagelocation
+        #TODO: what is 'ext'?
+        self.write('<IMG SRC="', filename, '"',                     \
+                    width  and (' WIDTH="'  + width  + '"') or "",  \
+                    height and (' HEIGHT="' + height + '"') or "",  \
+                    alt    and (' ALT="'    + alt    + '"') or "",  \
+                    '/>' )
+        self.htmlhelp.addimage(imagelocation)
+
+
+    # --- Marking Words and Phrases ---
+
+    # --- Other @xxx{...} commands ---
+
+    def open_(self): pass # Used by {text enclosed in braces}
+    def close_(self): pass
+
+    open_asis = open_
+    close_asis = close_
+
+    def open_cite(self): self.write('<CITE>')
+    def close_cite(self): self.write('</CITE>')
+
+    def open_code(self): self.write('<CODE>')
+    def close_code(self): self.write('</CODE>')
+
+    def open_t(self): self.write('<TT>')
+    def close_t(self): self.write('</TT>')
+
+    def open_dfn(self): self.write('<DFN>')
+    def close_dfn(self): self.write('</DFN>')
+
+    def open_emph(self): self.write('<EM>')
+    def close_emph(self): self.write('</EM>')
+
+    def open_i(self): self.write('<I>')
+    def close_i(self): self.write('</I>')
+
+    def open_footnote(self):
+        # if self.savetext <> None:
+        #       print '*** Recursive footnote -- expect weirdness'
+        id = len(self.footnotes) + 1
+        self.write(self.FN_SOURCE_PATTERN % {'id': repr(id)})
+        self.startsaving()
+
+    def close_footnote(self):
+        id = len(self.footnotes) + 1
+        self.footnotes.append((id, self.collectsavings()))
+
+    def writefootnotes(self):
+        self.write(self.FN_HEADER)
+        for id, text in self.footnotes:
+            self.write(self.FN_TARGET_PATTERN
+                       % {'id': repr(id), 'text': text})
+        self.footnotes = []
+
+    def open_file(self): self.write('<CODE>')
+    def close_file(self): self.write('</CODE>')
+
+    def open_kbd(self): self.write('<KBD>')
+    def close_kbd(self): self.write('</KBD>')
+
+    def open_key(self): self.write('<KEY>')
+    def close_key(self): self.write('</KEY>')
+
+    def open_r(self): self.write('<R>')
+    def close_r(self): self.write('</R>')
+
+    def open_samp(self): self.write('`<SAMP>')
+    def close_samp(self): self.write('</SAMP>\'')
+
+    def open_sc(self): self.write('<SMALLCAPS>')
+    def close_sc(self): self.write('</SMALLCAPS>')
+
+    def open_strong(self): self.write('<STRONG>')
+    def close_strong(self): self.write('</STRONG>')
+
+    def open_b(self): self.write('<B>')
+    def close_b(self): self.write('</B>')
+
+    def open_var(self): self.write('<VAR>')
+    def close_var(self): self.write('</VAR>')
+
+    def open_w(self): self.write('<NOBREAK>')
+    def close_w(self): self.write('</NOBREAK>')
+
+    def open_url(self): self.startsaving()
+    def close_url(self):
+        text = self.collectsavings()
+        self.write('<A HREF="', text, '">', text, '</A>')
+
+    def open_email(self): self.startsaving()
+    def close_email(self):
+        text = self.collectsavings()
+        self.write('<A HREF="mailto:', text, '">', text, '</A>')
+
+    open_titlefont = open_
+    close_titlefont = close_
+
+    def open_small(self): pass
+    def close_small(self): pass
+
+    def command(self, line, mo):
+        a, b = mo.span(1)
+        cmd = line[a:b]
+        args = line[b:].strip()
+        if self.debugging > 1:
+            print '!'*self.debugging, 'command:', self.skip, self.stack, \
+                  '@' + cmd, args
+        try:
+            func = getattr(self, 'do_' + cmd)
+        except AttributeError:
+            try:
+                func = getattr(self, 'bgn_' + cmd)
+            except AttributeError:
+                # don't complain if we are skipping anyway
+                if not self.skip:
+                    self.unknown_cmd(cmd, args)
+                return
+            self.stack.append(cmd)
+            func(args)
+            return
+        if not self.skip or cmd == 'end':
+            func(args)
+
+    def unknown_cmd(self, cmd, args):
+        print '*** unknown', '@' + cmd, args
+        if not self.unknown.has_key(cmd):
+            self.unknown[cmd] = 1
+        else:
+            self.unknown[cmd] = self.unknown[cmd] + 1
+
+    def do_end(self, args):
+        words = args.split()
+        if not words:
+            print '*** @end w/o args'
+        else:
+            cmd = words[0]
+            if not self.stack or self.stack[-1] <> cmd:
+                print '*** @end', cmd, 'unexpected'
+            else:
+                del self.stack[-1]
+            try:
+                func = getattr(self, 'end_' + cmd)
+            except AttributeError:
+                self.unknown_end(cmd)
+                return
+            func()
+
+    def unknown_end(self, cmd):
+        cmd = 'end ' + cmd
+        print '*** unknown', '@' + cmd
+        if not self.unknown.has_key(cmd):
+            self.unknown[cmd] = 1
+        else:
+            self.unknown[cmd] = self.unknown[cmd] + 1
+
+    # --- Comments ---
+
+    def do_comment(self, args): pass
+    do_c = do_comment
+
+    # --- Conditional processing ---
+
+    def bgn_ifinfo(self, args): pass
+    def end_ifinfo(self): pass
+
+    def bgn_iftex(self, args): self.skip = self.skip + 1
+    def end_iftex(self): self.skip = self.skip - 1
+
+    def bgn_ignore(self, args): self.skip = self.skip + 1
+    def end_ignore(self): self.skip = self.skip - 1
+
+    def bgn_tex(self, args): self.skip = self.skip + 1
+    def end_tex(self): self.skip = self.skip - 1
+
+    def do_set(self, args):
+        fields = args.split(' ')
+        key = fields[0]
+        if len(fields) == 1:
+            value = 1
+        else:
+            value = ' '.join(fields[1:])
+        self.values[key] = value
+
+    def do_clear(self, args):
+        self.values[args] = None
+
+    def bgn_ifset(self, args):
+        if args not in self.values.keys() \
+           or self.values[args] is None:
+            self.skip = self.skip + 1
+            self.stackinfo[len(self.stack)] = 1
+        else:
+            self.stackinfo[len(self.stack)] = 0
+    def end_ifset(self):
+        try:
+            if self.stackinfo[len(self.stack) + 1]:
+                self.skip = self.skip - 1
+            del self.stackinfo[len(self.stack) + 1]
+        except KeyError:
+            print '*** end_ifset: KeyError :', len(self.stack) + 1
+
+    def bgn_ifclear(self, args):
+        if args in self.values.keys() \
+           and self.values[args] is not None:
+            self.skip = self.skip + 1
+            self.stackinfo[len(self.stack)] = 1
+        else:
+            self.stackinfo[len(self.stack)] = 0
+    def end_ifclear(self):
+        try:
+            if self.stackinfo[len(self.stack) + 1]:
+                self.skip = self.skip - 1
+            del self.stackinfo[len(self.stack) + 1]
+        except KeyError:
+            print '*** end_ifclear: KeyError :', len(self.stack) + 1
+
+    def open_value(self):
+        self.startsaving()
+
+    def close_value(self):
+        key = self.collectsavings()
+        if key in self.values.keys():
+            self.write(self.values[key])
+        else:
+            print '*** Undefined value: ', key
+
+    # --- Beginning a file ---
+
+    do_finalout = do_comment
+    do_setchapternewpage = do_comment
+    do_setfilename = do_comment
+
+    def do_settitle(self, args):
+        self.startsaving()
+        self.expand(args)
+        self.title = self.collectsavings()
+    def do_parskip(self, args): pass
+
+    # --- Ending a file ---
+
+    def do_bye(self, args):
+        self.endnode()
+        self.done = 1
+
+    # --- Title page ---
+
+    def bgn_titlepage(self, args): self.skip = self.skip + 1
+    def end_titlepage(self): self.skip = self.skip - 1
+    def do_shorttitlepage(self, args): pass
+
+    def do_center(self, args):
+        # Actually not used outside title page...
+        self.write('<H1>')
+        self.expand(args)
+        self.write('</H1>\n')
+    do_title = do_center
+    do_subtitle = do_center
+    do_author = do_center
+
+    do_vskip = do_comment
+    do_vfill = do_comment
+    do_smallbook = do_comment
+
+    do_paragraphindent = do_comment
+    do_setchapternewpage = do_comment
+    do_headings = do_comment
+    do_footnotestyle = do_comment
+
+    do_evenheading = do_comment
+    do_evenfooting = do_comment
+    do_oddheading = do_comment
+    do_oddfooting = do_comment
+    do_everyheading = do_comment
+    do_everyfooting = do_comment
+
+    # --- Nodes ---
+
+    def do_node(self, args):
+        self.endnode()
+        self.nodelineno = 0
+        parts = [s.strip() for s in args.split(',')]
+        while len(parts) < 4: parts.append('')
+        self.nodelinks = parts
+        [name, next, prev, up] = parts[:4]
+        file = self.dirname + '/' + makefile(name)
+        if self.filenames.has_key(file):
+            print '*** Filename already in use: ', file
+        else:
+            if self.debugging: print '!'*self.debugging, '--- writing', file
+        self.filenames[file] = 1
+        # self.nodefp = open(file, 'w')
+        self.nodename = name
+        if self.cont and self.nodestack:
+            self.nodestack[-1].cont = self.nodename
+        if not self.topname: self.topname = name
+        title = name
+        if self.title: title = title + ' -- ' + self.title
+        self.node = self.Node(self.dirname, self.nodename, self.topname,
+                              title, next, prev, up)
+        self.htmlhelp.addnode(self.nodename,next,prev,up,file)
+
+    def link(self, label, nodename):
+        if nodename:
+            if nodename.lower() == '(dir)':
+                addr = '../dir.html'
+            else:
+                addr = makefile(nodename)
+            self.write(label, ': <A HREF="', addr, '" TYPE="',
+                       label, '">', nodename, '</A>  \n')
+
+    # --- Sectioning commands ---
+
+    def popstack(self, type):
+        if (self.node):
+            self.node.type = type
+            while self.nodestack:
+                if self.nodestack[-1].type > type:
+                    self.nodestack[-1].finalize()
+                    self.nodestack[-1].flush()
+                    del self.nodestack[-1]
+                elif self.nodestack[-1].type == type:
+                    if not self.nodestack[-1].next:
+                        self.nodestack[-1].next = self.node.name
+                    if not self.node.prev:
+                        self.node.prev = self.nodestack[-1].name
+                    self.nodestack[-1].finalize()
+                    self.nodestack[-1].flush()
+                    del self.nodestack[-1]
+                else:
+                    if type > 1 and not self.node.up:
+                        self.node.up = self.nodestack[-1].name
+                    break
+
+    def do_chapter(self, args):
+        self.heading('H1', args, 0)
+        self.popstack(1)
+
+    def do_unnumbered(self, args):
+        self.heading('H1', args, -1)
+        self.popstack(1)
+    def do_appendix(self, args):
+        self.heading('H1', args, -1)
+        self.popstack(1)
+    def do_top(self, args):
+        self.heading('H1', args, -1)
+    def do_chapheading(self, args):
+        self.heading('H1', args, -1)
+    def do_majorheading(self, args):
+        self.heading('H1', args, -1)
+
+    def do_section(self, args):
+        self.heading('H1', args, 1)
+        self.popstack(2)
+
+    def do_unnumberedsec(self, args):
+        self.heading('H1', args, -1)
+        self.popstack(2)
+    def do_appendixsec(self, args):
+        self.heading('H1', args, -1)
+        self.popstack(2)
+    do_appendixsection = do_appendixsec
+    def do_heading(self, args):
+        self.heading('H1', args, -1)
+
+    def do_subsection(self, args):
+        self.heading('H2', args, 2)
+        self.popstack(3)
+    def do_unnumberedsubsec(self, args):
+        self.heading('H2', args, -1)
+        self.popstack(3)
+    def do_appendixsubsec(self, args):
+        self.heading('H2', args, -1)
+        self.popstack(3)
+    def do_subheading(self, args):
+        self.heading('H2', args, -1)
+
+    def do_subsubsection(self, args):
+        self.heading('H3', args, 3)
+        self.popstack(4)
+    def do_unnumberedsubsubsec(self, args):
+        self.heading('H3', args, -1)
+        self.popstack(4)
+    def do_appendixsubsubsec(self, args):
+        self.heading('H3', args, -1)
+        self.popstack(4)
+    def do_subsubheading(self, args):
+        self.heading('H3', args, -1)
+
+    def heading(self, type, args, level):
+        if level >= 0:
+            while len(self.numbering) <= level:
+                self.numbering.append(0)
+            del self.numbering[level+1:]
+            self.numbering[level] = self.numbering[level] + 1
+            x = ''
+            for i in self.numbering:
+                x = x + repr(i) + '.'
+            args = x + ' ' + args
+            self.contents.append((level, args, self.nodename))
+        self.write('<', type, '>')
+        self.expand(args)
+        self.write('</', type, '>\n')
+        if self.debugging or self.print_headers:
+            print '---', args
+
+    def do_contents(self, args):
+        # pass
+        self.listcontents('Table of Contents', 999)
+
+    def do_shortcontents(self, args):
+        pass
+        # self.listcontents('Short Contents', 0)
+    do_summarycontents = do_shortcontents
+
+    def listcontents(self, title, maxlevel):
+        self.write('<H1>', title, '</H1>\n<UL COMPACT PLAIN>\n')
+        prevlevels = [0]
+        for level, title, node in self.contents:
+            if level > maxlevel:
+                continue
+            if level > prevlevels[-1]:
+                # can only advance one level at a time
+                self.write('  '*prevlevels[-1], '<UL PLAIN>\n')
+                prevlevels.append(level)
+            elif level < prevlevels[-1]:
+                # might drop back multiple levels
+                while level < prevlevels[-1]:
+                    del prevlevels[-1]
+                    self.write('  '*prevlevels[-1],
+                               '</UL>\n')
+            self.write('  '*level, '<LI> <A HREF="',
+                       makefile(node), '">')
+            self.expand(title)
+            self.write('</A>\n')
+        self.write('</UL>\n' * len(prevlevels))
+
+    # --- Page lay-out ---
+
+    # These commands are only meaningful in printed text
+
+    def do_page(self, args): pass
+
+    def do_need(self, args): pass
+
+    def bgn_group(self, args): pass
+    def end_group(self): pass
+
+    # --- Line lay-out ---
+
+    def do_sp(self, args):
+        if self.nofill:
+            self.write('\n')
+        else:
+            self.write('<P>\n')
+
+    def do_hline(self, args):
+        self.write('<HR>')
+
+    # --- Function and variable definitions ---
+
+    def bgn_deffn(self, args):
+        self.write('<DL>')
+        self.do_deffnx(args)
+
+    def end_deffn(self):
+        self.write('</DL>\n')
+
+    def do_deffnx(self, args):
+        self.write('<DT>')
+        words = splitwords(args, 2)
+        [category, name], rest = words[:2], words[2:]
+        self.expand('@b{%s}' % name)
+        for word in rest: self.expand(' ' + makevar(word))
+        #self.expand(' -- ' + category)
+        self.write('\n<DD>')
+        self.index('fn', name)
+
+    def bgn_defun(self, args): self.bgn_deffn('Function ' + args)
+    end_defun = end_deffn
+    def do_defunx(self, args): self.do_deffnx('Function ' + args)
+
+    def bgn_defmac(self, args): self.bgn_deffn('Macro ' + args)
+    end_defmac = end_deffn
+    def do_defmacx(self, args): self.do_deffnx('Macro ' + args)
+
+    def bgn_defspec(self, args): self.bgn_deffn('{Special Form} ' + args)
+    end_defspec = end_deffn
+    def do_defspecx(self, args): self.do_deffnx('{Special Form} ' + args)
+
+    def bgn_defvr(self, args):
+        self.write('<DL>')
+        self.do_defvrx(args)
+
+    end_defvr = end_deffn
+
+    def do_defvrx(self, args):
+        self.write('<DT>')
+        words = splitwords(args, 2)
+        [category, name], rest = words[:2], words[2:]
+        self.expand('@code{%s}' % name)
+        # If there are too many arguments, show them
+        for word in rest: self.expand(' ' + word)
+        #self.expand(' -- ' + category)
+        self.write('\n<DD>')
+        self.index('vr', name)
+
+    def bgn_defvar(self, args): self.bgn_defvr('Variable ' + args)
+    end_defvar = end_defvr
+    def do_defvarx(self, args): self.do_defvrx('Variable ' + args)
+
+    def bgn_defopt(self, args): self.bgn_defvr('{User Option} ' + args)
+    end_defopt = end_defvr
+    def do_defoptx(self, args): self.do_defvrx('{User Option} ' + args)
+
+    # --- Ditto for typed languages ---
+
+    def bgn_deftypefn(self, args):
+        self.write('<DL>')
+        self.do_deftypefnx(args)
+
+    end_deftypefn = end_deffn
+
+    def do_deftypefnx(self, args):
+        self.write('<DT>')
+        words = splitwords(args, 3)
+        [category, datatype, name], rest = words[:3], words[3:]
+        self.expand('@code{%s} @b{%s}' % (datatype, name))
+        for word in rest: self.expand(' ' + makevar(word))
+        #self.expand(' -- ' + category)
+        self.write('\n<DD>')
+        self.index('fn', name)
+
+
+    def bgn_deftypefun(self, args): self.bgn_deftypefn('Function ' + args)
+    end_deftypefun = end_deftypefn
+    def do_deftypefunx(self, args): self.do_deftypefnx('Function ' + args)
+
+    def bgn_deftypevr(self, args):
+        self.write('<DL>')
+        self.do_deftypevrx(args)
+
+    end_deftypevr = end_deftypefn
+
+    def do_deftypevrx(self, args):
+        self.write('<DT>')
+        words = splitwords(args, 3)
+        [category, datatype, name], rest = words[:3], words[3:]
+        self.expand('@code{%s} @b{%s}' % (datatype, name))
+        # If there are too many arguments, show them
+        for word in rest: self.expand(' ' + word)
+        #self.expand(' -- ' + category)
+        self.write('\n<DD>')
+        self.index('fn', name)
+
+    def bgn_deftypevar(self, args):
+        self.bgn_deftypevr('Variable ' + args)
+    end_deftypevar = end_deftypevr
+    def do_deftypevarx(self, args):
+        self.do_deftypevrx('Variable ' + args)
+
+    # --- Ditto for object-oriented languages ---
+
+    def bgn_defcv(self, args):
+        self.write('<DL>')
+        self.do_defcvx(args)
+
+    end_defcv = end_deftypevr
+
+    def do_defcvx(self, args):
+        self.write('<DT>')
+        words = splitwords(args, 3)
+        [category, classname, name], rest = words[:3], words[3:]
+        self.expand('@b{%s}' % name)
+        # If there are too many arguments, show them
+        for word in rest: self.expand(' ' + word)
+        #self.expand(' -- %s of @code{%s}' % (category, classname))
+        self.write('\n<DD>')
+        self.index('vr', '%s @r{on %s}' % (name, classname))
+
+    def bgn_defivar(self, args):
+        self.bgn_defcv('{Instance Variable} ' + args)
+    end_defivar = end_defcv
+    def do_defivarx(self, args):
+        self.do_defcvx('{Instance Variable} ' + args)
+
+    def bgn_defop(self, args):
+        self.write('<DL>')
+        self.do_defopx(args)
+
+    end_defop = end_defcv
+
+    def do_defopx(self, args):
+        self.write('<DT>')
+        words = splitwords(args, 3)
+        [category, classname, name], rest = words[:3], words[3:]
+        self.expand('@b{%s}' % name)
+        for word in rest: self.expand(' ' + makevar(word))
+        #self.expand(' -- %s of @code{%s}' % (category, classname))
+        self.write('\n<DD>')
+        self.index('fn', '%s @r{on %s}' % (name, classname))
+
+    def bgn_defmethod(self, args):
+        self.bgn_defop('Method ' + args)
+    end_defmethod = end_defop
+    def do_defmethodx(self, args):
+        self.do_defopx('Method ' + args)
+
+    # --- Ditto for data types ---
+
+    def bgn_deftp(self, args):
+        self.write('<DL>')
+        self.do_deftpx(args)
+
+    end_deftp = end_defcv
+
+    def do_deftpx(self, args):
+        self.write('<DT>')
+        words = splitwords(args, 2)
+        [category, name], rest = words[:2], words[2:]
+        self.expand('@b{%s}' % name)
+        for word in rest: self.expand(' ' + word)
+        #self.expand(' -- ' + category)
+        self.write('\n<DD>')
+        self.index('tp', name)
+
+    # --- Making Lists and Tables
+
+    def bgn_enumerate(self, args):
+        if not args:
+            self.write('<OL>\n')
+            self.stackinfo[len(self.stack)] = '</OL>\n'
+        else:
+            self.itemnumber = args
+            self.write('<UL>\n')
+            self.stackinfo[len(self.stack)] = '</UL>\n'
+    def end_enumerate(self):
+        self.itemnumber = None
+        self.write(self.stackinfo[len(self.stack) + 1])
+        del self.stackinfo[len(self.stack) + 1]
+
+    def bgn_itemize(self, args):
+        self.itemarg = args
+        self.write('<UL>\n')
+    def end_itemize(self):
+        self.itemarg = None
+        self.write('</UL>\n')
+
+    def bgn_table(self, args):
+        self.itemarg = args
+        self.write('<DL>\n')
+    def end_table(self):
+        self.itemarg = None
+        self.write('</DL>\n')
+
+    def bgn_ftable(self, args):
+        self.itemindex = 'fn'
+        self.bgn_table(args)
+    def end_ftable(self):
+        self.itemindex = None
+        self.end_table()
+
+    def bgn_vtable(self, args):
+        self.itemindex = 'vr'
+        self.bgn_table(args)
+    def end_vtable(self):
+        self.itemindex = None
+        self.end_table()
+
+    def do_item(self, args):
+        if self.itemindex: self.index(self.itemindex, args)
+        if self.itemarg:
+            if self.itemarg[0] == '@' and self.itemarg[1] and \
+                            self.itemarg[1] in string.ascii_letters:
+                args = self.itemarg + '{' + args + '}'
+            else:
+                # some other character, e.g. '-'
+                args = self.itemarg + ' ' + args
+        if self.itemnumber <> None:
+            args = self.itemnumber + '. ' + args
+            self.itemnumber = increment(self.itemnumber)
+        if self.stack and self.stack[-1] == 'table':
+            self.write('<DT>')
+            self.expand(args)
+            self.write('\n<DD>')
+        elif self.stack and self.stack[-1] == 'multitable':
+            self.write('<TR><TD>')
+            self.expand(args)
+            self.write('</TD>\n</TR>\n')
+        else:
+            self.write('<LI>')
+            self.expand(args)
+            self.write('  ')
+    do_itemx = do_item # XXX Should suppress leading blank line
+
+    # rpyron 2002-05-07  multitable support
+    def bgn_multitable(self, args):
+        self.itemarg = None     # should be handled by columnfractions
+        self.write('<TABLE BORDER="">\n')
+    def end_multitable(self):
+        self.itemarg = None
+        self.write('</TABLE>\n<BR>\n')
+    def handle_columnfractions(self):
+        # It would be better to handle this, but for now it's in the way...
+        self.itemarg = None
+    def handle_tab(self):
+        self.write('</TD>\n    <TD>')
+
+    # --- Enumerations, displays, quotations ---
+    # XXX Most of these should increase the indentation somehow
+
+    def bgn_quotation(self, args): self.write('<BLOCKQUOTE>')
+    def end_quotation(self): self.write('</BLOCKQUOTE>\n')
+
+    def bgn_example(self, args):
+        self.nofill = self.nofill + 1
+        self.write('<PRE>')
+    def end_example(self):
+        self.write('</PRE>\n')
+        self.nofill = self.nofill - 1
+
+    bgn_lisp = bgn_example # Synonym when contents are executable lisp code
+    end_lisp = end_example
+
+    bgn_smallexample = bgn_example # XXX Should use smaller font
+    end_smallexample = end_example
+
+    bgn_smalllisp = bgn_lisp # Ditto
+    end_smalllisp = end_lisp
+
+    bgn_display = bgn_example
+    end_display = end_example
+
+    bgn_format = bgn_display
+    end_format = end_display
+
+    def do_exdent(self, args): self.expand(args + '\n')
+    # XXX Should really mess with indentation
+
+    def bgn_flushleft(self, args):
+        self.nofill = self.nofill + 1
+        self.write('<PRE>\n')
+    def end_flushleft(self):
+        self.write('</PRE>\n')
+        self.nofill = self.nofill - 1
+
+    def bgn_flushright(self, args):
+        self.nofill = self.nofill + 1
+        self.write('<ADDRESS COMPACT>\n')
+    def end_flushright(self):
+        self.write('</ADDRESS>\n')
+        self.nofill = self.nofill - 1
+
+    def bgn_menu(self, args):
+        self.write('<DIR>\n')
+        self.write('  <STRONG><EM>Menu</EM></STRONG><P>\n')
+        self.htmlhelp.beginmenu()
+    def end_menu(self):
+        self.write('</DIR>\n')
+        self.htmlhelp.endmenu()
+
+    def bgn_cartouche(self, args): pass
+    def end_cartouche(self): pass
+
+    # --- Indices ---
+
+    def resetindex(self):
+        self.noncodeindices = ['cp']
+        self.indextitle = {}
+        self.indextitle['cp'] = 'Concept'
+        self.indextitle['fn'] = 'Function'
+        self.indextitle['ky'] = 'Keyword'
+        self.indextitle['pg'] = 'Program'
+        self.indextitle['tp'] = 'Type'
+        self.indextitle['vr'] = 'Variable'
+        #
+        self.whichindex = {}
+        for name in self.indextitle.keys():
+            self.whichindex[name] = []
+
+    def user_index(self, name, args):
+        if self.whichindex.has_key(name):
+            self.index(name, args)
+        else:
+            print '*** No index named', repr(name)
+
+    def do_cindex(self, args): self.index('cp', args)
+    def do_findex(self, args): self.index('fn', args)
+    def do_kindex(self, args): self.index('ky', args)
+    def do_pindex(self, args): self.index('pg', args)
+    def do_tindex(self, args): self.index('tp', args)
+    def do_vindex(self, args): self.index('vr', args)
+
+    def index(self, name, args):
+        self.whichindex[name].append((args, self.nodename))
+        self.htmlhelp.index(args, self.nodename)
+
+    def do_synindex(self, args):
+        words = args.split()
+        if len(words) <> 2:
+            print '*** bad @synindex', args
+            return
+        [old, new] = words
+        if not self.whichindex.has_key(old) or \
+                  not self.whichindex.has_key(new):
+            print '*** bad key(s) in @synindex', args
+            return
+        if old <> new and \
+                  self.whichindex[old] is not self.whichindex[new]:
+            inew = self.whichindex[new]
+            inew[len(inew):] = self.whichindex[old]
+            self.whichindex[old] = inew
+    do_syncodeindex = do_synindex # XXX Should use code font
+
+    def do_printindex(self, args):
+        words = args.split()
+        for name in words:
+            if self.whichindex.has_key(name):
+                self.prindex(name)
+            else:
+                print '*** No index named', repr(name)
+
+    def prindex(self, name):
+        iscodeindex = (name not in self.noncodeindices)
+        index = self.whichindex[name]
+        if not index: return
+        if self.debugging:
+            print '!'*self.debugging, '--- Generating', \
+                  self.indextitle[name], 'index'
+        #  The node already provides a title
+        index1 = []
+        junkprog = re.compile('^(@[a-z]+)?{')
+        for key, node in index:
+            sortkey = key.lower()
+            # Remove leading `@cmd{' from sort key
+            # -- don't bother about the matching `}'
+            oldsortkey = sortkey
+            while 1:
+                mo = junkprog.match(sortkey)
+                if not mo:
+                    break
+                i = mo.end()
+                sortkey = sortkey[i:]
+            index1.append((sortkey, key, node))
+        del index[:]
+        index1.sort()
+        self.write('<DL COMPACT>\n')
+        prevkey = prevnode = None
+        for sortkey, key, node in index1:
+            if (key, node) == (prevkey, prevnode):
+                continue
+            if self.debugging > 1: print '!'*self.debugging, key, ':', node
+            self.write('<DT>')
+            if iscodeindex: key = '@code{' + key + '}'
+            if key != prevkey:
+                self.expand(key)
+            self.write('\n<DD><A HREF="%s">%s</A>\n' % (makefile(node), node))
+            prevkey, prevnode = key, node
+        self.write('</DL>\n')
+
+    # --- Final error reports ---
+
+    def report(self):
+        if self.unknown:
+            print '--- Unrecognized commands ---'
+            cmds = self.unknown.keys()
+            cmds.sort()
+            for cmd in cmds:
+                print cmd.ljust(20), self.unknown[cmd]
+
+
+class TexinfoParserHTML3(TexinfoParser):
+
+    COPYRIGHT_SYMBOL = "&copy;"
+    FN_ID_PATTERN = "[%(id)s]"
+    FN_SOURCE_PATTERN = '<A ID=footnoteref%(id)s ' \
+                        'HREF="#footnotetext%(id)s">' + FN_ID_PATTERN + '</A>'
+    FN_TARGET_PATTERN = '<FN ID=footnotetext%(id)s>\n' \
+                        '<P><A HREF="#footnoteref%(id)s">' + FN_ID_PATTERN \
+                        + '</A>\n%(text)s</P></FN>\n'
+    FN_HEADER = '<DIV CLASS=footnotes>\n  <HR NOSHADE WIDTH=200>\n' \
+                '  <STRONG><EM>Footnotes</EM></STRONG>\n  <P>\n'
+
+    Node = HTML3Node
+
+    def bgn_quotation(self, args): self.write('<BQ>')
+    def end_quotation(self): self.write('</BQ>\n')
+
+    def bgn_example(self, args):
+        # this use of <CODE> would not be legal in HTML 2.0,
+        # but is in more recent DTDs.
+        self.nofill = self.nofill + 1
+        self.write('<PRE CLASS=example><CODE>')
+    def end_example(self):
+        self.write("</CODE></PRE>\n")
+        self.nofill = self.nofill - 1
+
+    def bgn_flushleft(self, args):
+        self.nofill = self.nofill + 1
+        self.write('<PRE CLASS=flushleft>\n')
+
+    def bgn_flushright(self, args):
+        self.nofill = self.nofill + 1
+        self.write('<DIV ALIGN=right CLASS=flushright><ADDRESS COMPACT>\n')
+    def end_flushright(self):
+        self.write('</ADDRESS></DIV>\n')
+        self.nofill = self.nofill - 1
+
+    def bgn_menu(self, args):
+        self.write('<UL PLAIN CLASS=menu>\n')
+        self.write('  <LH>Menu</LH>\n')
+    def end_menu(self):
+        self.write('</UL>\n')
+
+
+# rpyron 2002-05-07
+class HTMLHelp:
+    """
+    This class encapsulates support for HTML Help. Node names,
+    file names, menu items, index items, and image file names are
+    accumulated until a call to finalize(). At that time, three
+    output files are created in the current directory:
+
+        `helpbase`.hhp  is a HTML Help Workshop project file.
+                        It contains various information, some of
+                        which I do not understand; I just copied
+                        the default project info from a fresh
+                        installation.
+        `helpbase`.hhc  is the Contents file for the project.
+        `helpbase`.hhk  is the Index file for the project.
+
+    When these files are used as input to HTML Help Workshop,
+    the resulting file will be named:
+
+        `helpbase`.chm
+
+    If none of the defaults in `helpbase`.hhp are changed,
+    the .CHM file will have Contents, Index, Search, and
+    Favorites tabs.
+    """
+
+    codeprog = re.compile('@code{(.*?)}')
+
+    def __init__(self,helpbase,dirname):
+        self.helpbase    = helpbase
+        self.dirname     = dirname
+        self.projectfile = None
+        self.contentfile = None
+        self.indexfile   = None
+        self.nodelist    = []
+        self.nodenames   = {}         # nodename : index
+        self.nodeindex   = {}
+        self.filenames   = {}         # filename : filename
+        self.indexlist   = []         # (args,nodename) == (key,location)
+        self.current     = ''
+        self.menudict    = {}
+        self.dumped      = {}
+
+
+    def addnode(self,name,next,prev,up,filename):
+        node = (name,next,prev,up,filename)
+        # add this file to dict
+        # retrieve list with self.filenames.values()
+        self.filenames[filename] = filename
+        # add this node to nodelist
+        self.nodeindex[name] = len(self.nodelist)
+        self.nodelist.append(node)
+        # set 'current' for menu items
+        self.current = name
+        self.menudict[self.current] = []
+
+    def menuitem(self,nodename):
+        menu = self.menudict[self.current]
+        menu.append(nodename)
+
+
+    def addimage(self,imagename):
+        self.filenames[imagename] = imagename
+
+    def index(self, args, nodename):
+        self.indexlist.append((args,nodename))
+
+    def beginmenu(self):
+        pass
+
+    def endmenu(self):
+        pass
+
+    def finalize(self):
+        if not self.helpbase:
+            return
+
+        # generate interesting filenames
+        resultfile   = self.helpbase + '.chm'
+        projectfile  = self.helpbase + '.hhp'
+        contentfile  = self.helpbase + '.hhc'
+        indexfile    = self.helpbase + '.hhk'
+
+        # generate a reasonable title
+        title        = self.helpbase
+
+        # get the default topic file
+        (topname,topnext,topprev,topup,topfile) = self.nodelist[0]
+        defaulttopic = topfile
+
+        # PROJECT FILE
+        try:
+            fp = open(projectfile,'w')
+            print>>fp, '[OPTIONS]'
+            print>>fp, 'Auto Index=Yes'
+            print>>fp, 'Binary TOC=No'
+            print>>fp, 'Binary Index=Yes'
+            print>>fp, 'Compatibility=1.1'
+            print>>fp, 'Compiled file=' + resultfile + ''
+            print>>fp, 'Contents file=' + contentfile + ''
+            print>>fp, 'Default topic=' + defaulttopic + ''
+            print>>fp, 'Error log file=ErrorLog.log'
+            print>>fp, 'Index file=' + indexfile + ''
+            print>>fp, 'Title=' + title + ''
+            print>>fp, 'Display compile progress=Yes'
+            print>>fp, 'Full-text search=Yes'
+            print>>fp, 'Default window=main'
+            print>>fp, ''
+            print>>fp, '[WINDOWS]'
+            print>>fp, ('main=,"' + contentfile + '","' + indexfile
+                        + '","","",,,,,0x23520,222,0x1046,[10,10,780,560],'
+                        '0xB0000,,,,,,0')
+            print>>fp, ''
+            print>>fp, '[FILES]'
+            print>>fp, ''
+            self.dumpfiles(fp)
+            fp.close()
+        except IOError, msg:
+            print projectfile, ':', msg
+            sys.exit(1)
+
+        # CONTENT FILE
+        try:
+            fp = open(contentfile,'w')
+            print>>fp, '<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">'
+            print>>fp, '<!-- This file defines the table of contents -->'
+            print>>fp, '<HTML>'
+            print>>fp, '<HEAD>'
+            print>>fp, ('<meta name="GENERATOR"'
+                        'content="Microsoft&reg; HTML Help Workshop 4.1">')
+            print>>fp, '<!-- Sitemap 1.0 -->'
+            print>>fp, '</HEAD>'
+            print>>fp, '<BODY>'
+            print>>fp, '   <OBJECT type="text/site properties">'
+            print>>fp, '     <param name="Window Styles" value="0x800025">'
+            print>>fp, '     <param name="comment" value="title:">'
+            print>>fp, '     <param name="comment" value="base:">'
+            print>>fp, '   </OBJECT>'
+            self.dumpnodes(fp)
+            print>>fp, '</BODY>'
+            print>>fp, '</HTML>'
+            fp.close()
+        except IOError, msg:
+            print contentfile, ':', msg
+            sys.exit(1)
+
+        # INDEX FILE
+        try:
+            fp = open(indexfile  ,'w')
+            print>>fp, '<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">'
+            print>>fp, '<!-- This file defines the index -->'
+            print>>fp, '<HTML>'
+            print>>fp, '<HEAD>'
+            print>>fp, ('<meta name="GENERATOR"'
+                        'content="Microsoft&reg; HTML Help Workshop 4.1">')
+            print>>fp, '<!-- Sitemap 1.0 -->'
+            print>>fp, '</HEAD>'
+            print>>fp, '<BODY>'
+            print>>fp, '<OBJECT type="text/site properties">'
+            print>>fp, '</OBJECT>'
+            self.dumpindex(fp)
+            print>>fp, '</BODY>'
+            print>>fp, '</HTML>'
+            fp.close()
+        except IOError, msg:
+            print indexfile  , ':', msg
+            sys.exit(1)
+
+    def dumpfiles(self, outfile=sys.stdout):
+        filelist = self.filenames.values()
+        filelist.sort()
+        for filename in filelist:
+            print>>outfile, filename
+
+    def dumpnodes(self, outfile=sys.stdout):
+        self.dumped = {}
+        if self.nodelist:
+            nodename, dummy, dummy, dummy, dummy = self.nodelist[0]
+            self.topnode = nodename
+
+        print>>outfile,  '<UL>'
+        for node in self.nodelist:
+            self.dumpnode(node,0,outfile)
+        print>>outfile,  '</UL>'
+
+    def dumpnode(self, node, indent=0, outfile=sys.stdout):
+        if node:
+            # Retrieve info for this node
+            (nodename,next,prev,up,filename) = node
+            self.current = nodename
+
+            # Have we been dumped already?
+            if self.dumped.has_key(nodename):
+                return
+            self.dumped[nodename] = 1
+
+            # Print info for this node
+            print>>outfile, ' '*indent,
+            print>>outfile, '<LI><OBJECT type="text/sitemap">',
+            print>>outfile, '<param name="Name" value="' + nodename +'">',
+            print>>outfile, '<param name="Local" value="'+ filename +'">',
+            print>>outfile, '</OBJECT>'
+
+            # Does this node have menu items?
+            try:
+                menu = self.menudict[nodename]
+                self.dumpmenu(menu,indent+2,outfile)
+            except KeyError:
+                pass
+
+    def dumpmenu(self, menu, indent=0, outfile=sys.stdout):
+        if menu:
+            currentnode = self.current
+            if currentnode != self.topnode:    # XXX this is a hack
+                print>>outfile, ' '*indent + '<UL>'
+                indent += 2
+            for item in menu:
+                menunode = self.getnode(item)
+                self.dumpnode(menunode,indent,outfile)
+            if currentnode != self.topnode:    # XXX this is a hack
+                print>>outfile, ' '*indent + '</UL>'
+                indent -= 2
+
+    def getnode(self, nodename):
+        try:
+            index = self.nodeindex[nodename]
+            return self.nodelist[index]
+        except KeyError:
+            return None
+        except IndexError:
+            return None
+
+    # (args,nodename) == (key,location)
+    def dumpindex(self, outfile=sys.stdout):
+        print>>outfile,  '<UL>'
+        for (key,location) in self.indexlist:
+            key = self.codeexpand(key)
+            location = makefile(location)
+            location = self.dirname + '/' + location
+            print>>outfile, '<LI><OBJECT type="text/sitemap">',
+            print>>outfile, '<param name="Name" value="' + key + '">',
+            print>>outfile, '<param name="Local" value="' + location + '">',
+            print>>outfile, '</OBJECT>'
+        print>>outfile,  '</UL>'
+
+    def codeexpand(self, line):
+        co = self.codeprog.match(line)
+        if not co:
+            return line
+        bgn, end = co.span(0)
+        a, b = co.span(1)
+        line = line[:bgn] + line[a:b] + line[end:]
+        return line
+
+
+# Put @var{} around alphabetic substrings
+def makevar(str):
+    return '@var{'+str+'}'
+
+
+# Split a string in "words" according to findwordend
+def splitwords(str, minlength):
+    words = []
+    i = 0
+    n = len(str)
+    while i < n:
+        while i < n and str[i] in ' \t\n': i = i+1
+        if i >= n: break
+        start = i
+        i = findwordend(str, i, n)
+        words.append(str[start:i])
+    while len(words) < minlength: words.append('')
+    return words
+
+
+# Find the end of a "word", matching braces and interpreting @@ @{ @}
+fwprog = re.compile('[@{} ]')
+def findwordend(str, i, n):
+    level = 0
+    while i < n:
+        mo = fwprog.search(str, i)
+        if not mo:
+            break
+        i = mo.start()
+        c = str[i]; i = i+1
+        if c == '@': i = i+1 # Next character is not special
+        elif c == '{': level = level+1
+        elif c == '}': level = level-1
+        elif c == ' ' and level <= 0: return i-1
+    return n
+
+
+# Convert a node name into a file name
+def makefile(nodename):
+    nodename = nodename.strip()
+    return fixfunnychars(nodename) + '.html'
+
+
+# Characters that are perfectly safe in filenames and hyperlinks
+goodchars = string.ascii_letters + string.digits + '!@-=+.'
+
+# Replace characters that aren't perfectly safe by dashes
+# Underscores are bad since Cern HTTPD treats them as delimiters for
+# encoding times, so you get mismatches if you compress your files:
+# a.html.gz will map to a_b.html.gz
+def fixfunnychars(addr):
+    i = 0
+    while i < len(addr):
+        c = addr[i]
+        if c not in goodchars:
+            c = '-'
+            addr = addr[:i] + c + addr[i+1:]
+        i = i + len(c)
+    return addr
+
+
+# Increment a string used as an enumeration
+def increment(s):
+    if not s:
+        return '1'
+    for sequence in string.digits, string.lowercase, string.uppercase:
+        lastc = s[-1]
+        if lastc in sequence:
+            i = sequence.index(lastc) + 1
+            if i >= len(sequence):
+                if len(s) == 1:
+                    s = sequence[0]*2
+                    if s == '00':
+                        s = '10'
+                else:
+                    s = increment(s[:-1]) + sequence[0]
+            else:
+                s = s[:-1] + sequence[i]
+            return s
+    return s # Don't increment
+
+
+def test():
+    import sys
+    debugging = 0
+    print_headers = 0
+    cont = 0
+    html3 = 0
+    htmlhelp = ''
+
+    while sys.argv[1] == ['-d']:
+        debugging = debugging + 1
+        del sys.argv[1]
+    if sys.argv[1] == '-p':
+        print_headers = 1
+        del sys.argv[1]
+    if sys.argv[1] == '-c':
+        cont = 1
+        del sys.argv[1]
+    if sys.argv[1] == '-3':
+        html3 = 1
+        del sys.argv[1]
+    if sys.argv[1] == '-H':
+        helpbase = sys.argv[2]
+        del sys.argv[1:3]
+    if len(sys.argv) <> 3:
+        print 'usage: texi2hh [-d [-d]] [-p] [-c] [-3] [-H htmlhelp]', \
+              'inputfile outputdirectory'
+        sys.exit(2)
+
+    if html3:
+        parser = TexinfoParserHTML3()
+    else:
+        parser = TexinfoParser()
+    parser.cont = cont
+    parser.debugging = debugging
+    parser.print_headers = print_headers
+
+    file = sys.argv[1]
+    dirname  = sys.argv[2]
+    parser.setdirname(dirname)
+    parser.setincludedir(os.path.dirname(file))
+
+    htmlhelp = HTMLHelp(helpbase, dirname)
+    parser.sethtmlhelp(htmlhelp)
+
+    try:
+        fp = open(file, 'r')
+    except IOError, msg:
+        print file, ':', msg
+        sys.exit(1)
+
+    parser.parse(fp)
+    fp.close()
+    parser.report()
+
+    htmlhelp.finalize()
+
+
+if __name__ == "__main__":
+    test()