diff --git a/gluon/contrib/markmin/markmin2latex.py b/gluon/contrib/markmin/markmin2latex.py
index 65ad4aa8..65bfbab2 100755
--- a/gluon/contrib/markmin/markmin2latex.py
+++ b/gluon/contrib/markmin/markmin2latex.py
@@ -7,53 +7,57 @@ import sys
 import doctest
 from optparse import OptionParser
 
-__all__ = ['render','markmin2latex']
+__all__ = ['render', 'markmin2latex']
 
 META = 'META'
 regex_newlines = re.compile('(\n\r)|(\r\n)')
-regex_dd=re.compile('\$\$(?P<latex>.*?)\$\$')
-regex_code = re.compile('('+META+')|(``(?P<t>.*?)``(:(?P<c>\w+))?)',re.S)
-regex_title = re.compile('^#{1} (?P<t>[^\n]+)',re.M)
+regex_dd = re.compile('\$\$(?P<latex>.*?)\$\$')
+regex_code = re.compile('(' + META + ')|(``(?P<t>.*?)``(:(?P<c>\w+))?)', re.S)
+regex_title = re.compile('^#{1} (?P<t>[^\n]+)', re.M)
 regex_maps = [
-    (re.compile('[ \t\r]+\n'),'\n'),
-    (re.compile('\*\*(?P<t>[^\s\*]+( +[^\s\*]+)*)\*\*'),'{\\\\bf \g<t>}'),
-    (re.compile("''(?P<t>[^\s']+( +[^\s']+)*)''"),'{\\it \g<t>}'),
-    (re.compile('^#{5,6}\s*(?P<t>[^\n]+)',re.M),'\n\n{\\\\bf \g<t>}\n'),
-    (re.compile('^#{4}\s*(?P<t>[^\n]+)',re.M),'\n\n\\\\goodbreak\\subsubsection{\g<t>}\n'),
-    (re.compile('^#{3}\s*(?P<t>[^\n]+)',re.M),'\n\n\\\\goodbreak\\subsection{\g<t>}\n'),
-    (re.compile('^#{2}\s*(?P<t>[^\n]+)',re.M),'\n\n\\\\goodbreak\\section{\g<t>}\n'),
-    (re.compile('^#{1}\s*(?P<t>[^\n]+)',re.M),''),
-    (re.compile('^\- +(?P<t>.*)',re.M),'\\\\begin{itemize}\n\\item \g<t>\n\\end{itemize}'),
-    (re.compile('^\+ +(?P<t>.*)',re.M),'\\\\begin{itemize}\n\\item \g<t>\n\\end{itemize}'),
-    (re.compile('\\\\end\{itemize\}\s+\\\\begin\{itemize\}'),'\n'),
-    (re.compile('\n\s+\n'),'\n\n')]
-regex_table = re.compile('^\-{4,}\n(?P<t>.*?)\n\-{4,}(:(?P<c>\w+))?\n',re.M|re.S)
+    (re.compile('[ \t\r]+\n'), '\n'),
+    (re.compile('\*\*(?P<t>[^\s\*]+( +[^\s\*]+)*)\*\*'), '{\\\\bf \g<t>}'),
+    (re.compile("''(?P<t>[^\s']+( +[^\s']+)*)''"), '{\\it \g<t>}'),
+    (re.compile('^#{5,6}\s*(?P<t>[^\n]+)', re.M), '\n\n{\\\\bf \g<t>}\n'),
+    (re.compile('^#{4}\s*(?P<t>[^\n]+)', re.M), '\n\n\\\\goodbreak\\subsubsection{\g<t>}\n'),
+    (re.compile('^#{3}\s*(?P<t>[^\n]+)', re.M), '\n\n\\\\goodbreak\\subsection{\g<t>}\n'),
+    (re.compile('^#{2}\s*(?P<t>[^\n]+)', re.M), '\n\n\\\\goodbreak\\section{\g<t>}\n'),
+    (re.compile('^#{1}\s*(?P<t>[^\n]+)', re.M), ''),
+    (re.compile('^\- +(?P<t>.*)', re.M), '\\\\begin{itemize}\n\\item \g<t>\n\\end{itemize}'),
+    (re.compile('^\+ +(?P<t>.*)', re.M), '\\\\begin{itemize}\n\\item \g<t>\n\\end{itemize}'),
+    (re.compile('\\\\end\{itemize\}\s+\\\\begin\{itemize\}'), '\n'),
+    (re.compile('\n\s+\n'), '\n\n')]
+regex_table = re.compile('^\-{4,}\n(?P<t>.*?)\n\-{4,}(:(?P<c>\w+))?\n', re.M | re.S)
 
 regex_anchor = re.compile('\[\[(?P<t>\S+)\]\]')
 regex_bibitem = re.compile('\-\s*\[\[(?P<t>\S+)\]\]')
 regex_image_width = re.compile('\[\[(?P<t>[^\]]*?) +(?P<k>\S+) +(?P<p>left|right|center) +(?P<w>\d+px)\]\]')
 regex_image = re.compile('\[\[(?P<t>[^\]]*?) +(?P<k>\S+) +(?P<p>left|right|center)\]\]')
-#regex_video = re.compile('\[\[(?P<t>[^\]]*?) +(?P<k>\S+) +video\]\]')
-#regex_audio = re.compile('\[\[(?P<t>[^\]]*?) +(?P<k>\S+) +audio\]\]')
+# regex_video = re.compile('\[\[(?P<t>[^\]]*?) +(?P<k>\S+) +video\]\]')
+# regex_audio = re.compile('\[\[(?P<t>[^\]]*?) +(?P<k>\S+) +audio\]\]')
 regex_link = re.compile('\[\[(?P<t>[^\]]*?) +(?P<k>\S+)\]\]')
-regex_auto = re.compile('(?<!["\w])(?P<k>\w+://[\w\.\-\?&%\:]+)',re.M)
+regex_auto = re.compile('(?<!["\w])(?P<k>\w+://[\w\.\-\?&%\:]+)', re.M)
 regex_commas = re.compile('[ ]+(?P<t>[,;\.])')
 regex_noindent = re.compile('\n\n(?P<t>[a-z])')
-#regex_quote_left = re.compile('"(?=\w)')
-#regex_quote_right = re.compile('(?=\w\.)"')
 
-def latex_escape(text,pound=True):
-    text=text.replace('\\','{\\textbackslash}')
-    for c in '^_&$%{}': text=text.replace(c,'\\'+c)
-    text=text.replace('\\{\\textbackslash\\}','{\\textbackslash}')
-    if pound: text=text.replace('#','\\#')
+
+# regex_quote_left = re.compile('"(?=\w)')
+# regex_quote_right = re.compile('(?=\w\.)"')
+
+def latex_escape(text, pound=True):
+    text = text.replace('\\', '{\\textbackslash}')
+    for c in '^_&$%{}':
+        text = text.replace(c, '\\' + c)
+    text = text.replace('\\{\\textbackslash\\}', '{\\textbackslash}')
+    if pound: text = text.replace('#', '\\#')
     return text
 
+
 def render(text,
            extra={},
            allowed={},
            sep='p',
-           image_mapper=lambda x:x,
+           image_mapper=lambda x: x,
            chapters=False):
     #############################################################
     # replace all blocks marked with ``...``:class with META
@@ -61,62 +65,68 @@ def render(text,
     #############################################################
     text = str(text or '')
     segments, i = [], 0
-    text = regex_dd.sub('``\g<latex>``:latex ',text)
-    text = regex_newlines.sub('\n',text)
+    text = regex_dd.sub('``\g<latex>``:latex ', text)
+    text = regex_newlines.sub('\n', text)
     while True:
-        item = regex_code.search(text,i)
-        if not item: break
-        if item.group()==META:
-            segments.append((None,None))
-            text = text[:item.start()]+META+text[item.end():]
+        item = regex_code.search(text, i)
+        if not item:
+            break
+        if item.group() == META:
+            segments.append((None, None))
+            text = text[:item.start()] + META + text[item.end():]
         else:
             c = item.group('c') or ''
-            if 'code' in allowed and not c in allowed['code']: c = ''
-            code = item.group('t').replace('!`!','`')
-            segments.append((code,c))
-            text = text[:item.start()]+META+text[item.end():]
-        i=item.start()+3
-
+            if 'code' in allowed and c not in allowed['code']:
+                c = ''
+            code = item.group('t').replace('!`!', '`')
+            segments.append((code, c))
+            text = text[:item.start()] + META + text[item.end():]
+        i = item.start() + 3
 
     #############################################################
     # do h1,h2,h3,h4,h5,h6,b,i,ol,ul and normalize spaces
     #############################################################
 
     title = regex_title.search(text)
-    if not title: title='Title'
-    else: title=title.group('t')
+    if not title:
+        title = 'Title'
+    else:
+        title = title.group('t')
 
-    text = latex_escape(text,pound=False)
+    text = latex_escape(text, pound=False)
 
-    texts = text.split('## References',1)
+    texts = text.split('## References', 1)
     text = regex_anchor.sub('\\label{\g<t>}', texts[0])
-    if len(texts)==2:
+    if len(texts) == 2:
         text += '\n\\begin{thebibliography}{999}\n'
         text += regex_bibitem.sub('\n\\\\bibitem{\g<t>}', texts[1])
         text += '\n\\end{thebibliography}\n'
 
     text = '\n'.join(t.strip() for t in text.split('\n'))
     for regex, sub in regex_maps:
-        text = regex.sub(sub,text)
-    text=text.replace('#','\\#')
-    text=text.replace('`',"'")
+        text = regex.sub(sub, text)
+    text = text.replace('#', '\\#')
+    text = text.replace('`', "'")
 
     #############################################################
     # process tables and blockquotes
     #############################################################
     while True:
         item = regex_table.search(text)
-        if not item: break
+        if not item:
+            break
         c = item.group('c') or ''
-        if 'table' in allowed and not c in allowed['table']: c = ''
+        if 'table' in allowed and c not in allowed['table']:
+            c = ''
         content = item.group('t')
         if ' | ' in content:
-            rows = content.replace('\n','\\\\\n').replace(' | ',' & ')
-            row0,row2 = rows.split('\\\\\n',1)
-            cols=row0.count(' & ')+1
-            cal='{'+''.join('l' for j in range(cols))+'}'
-            tabular = '\\begin{center}\n{\\begin{tabular}'+cal+'\\hline\n' + row0+'\\\\ \\hline\n'+row2 + ' \\\\ \\hline\n\\end{tabular}}\n\\end{center}'
-            if row2.count('\n')>20: tabular='\\newpage\n'+tabular
+            rows = content.replace('\n', '\\\\\n').replace(' | ', ' & ')
+            row0, row2 = rows.split('\\\\\n', 1)
+            cols = row0.count(' & ') + 1
+            cal = '{' + ''.join('l' for j in range(cols)) + '}'
+            tabular = '\\begin{center}\n{\\begin{tabular}' + cal + '\\hline\n' + row0 + '\\\\ \\hline\n' + row2 + ' \\\\ \\hline\n\\end{tabular}}\n\\end{center}'
+            if row2.count('\n') > 20:
+                tabular = '\\newpage\n' + tabular
             text = text[:item.start()] + tabular + text[item.end():]
         else:
             text = text[:item.start()] + '\\begin{quote}' + content + '\\end{quote}' + text[item.end():]
@@ -126,29 +136,32 @@ def render(text,
     #############################################################
 
     def sub(x):
-        f=image_mapper(x.group('k'))
-        if not f: return None
-        return '\n\\begin{center}\\includegraphics[width=8cm]{%s}\\end{center}\n' % (f)
-    text = regex_image_width.sub(sub,text)
-    text = regex_image.sub(sub,text)
+        f = image_mapper(x.group('k'))
+        if not f:
+            return None
+        return '\n\\begin{center}\\includegraphics[width=8cm]{%s}\\end{center}\n' % f
+
+    text = regex_image_width.sub(sub, text)
+    text = regex_image.sub(sub, text)
 
     text = regex_link.sub('{\\\\footnotesize\\href{\g<k>}{\g<t>}}', text)
-    text = regex_commas.sub('\g<t>',text)
-    text = regex_noindent.sub('\n\\\\noindent \g<t>',text)
+    text = regex_commas.sub('\g<t>', text)
+    text = regex_noindent.sub('\n\\\\noindent \g<t>', text)
 
-    ### fix paths in images
-    regex=re.compile('\\\\_\w*\.(eps|png|jpg|gif)')
+    # ## fix paths in images
+    regex = re.compile('\\\\_\w*\.(eps|png|jpg|gif)')
     while True:
-        match=regex.search(text)
-        if not match: break
-        text=text[:match.start()]+text[match.start()+1:]
-    #text = regex_quote_left.sub('``',text)
-    #text = regex_quote_right.sub("''",text)
+        match = regex.search(text)
+        if not match:
+            break
+        text = text[:match.start()] + text[match.start() + 1:]
+    # text = regex_quote_left.sub('``',text)
+    # text = regex_quote_right.sub("''",text)
 
     if chapters:
-        text=text.replace(r'\section*{',r'\chapter*{')
-        text=text.replace(r'\section{',r'\chapter{')
-        text=text.replace(r'subsection{',r'section{')
+        text = text.replace(r'\section*{', r'\chapter*{')
+        text = text.replace(r'\section{', r'\chapter{')
+        text = text.replace(r'subsection{', r'section{')
 
     #############################################################
     # process all code text
@@ -156,57 +169,64 @@ def render(text,
     parts = text.split(META)
     text = parts[0]
     authors = []
-    for i,(code,b) in enumerate(segments):
-        if code==None:
+    for i, (code, b) in enumerate(segments):
+        if code is None:
             html = META
         else:
-            if b=='hidden':
-                html=''
-            elif b=='author':
+            if b == 'hidden':
+                html = ''
+            elif b == 'author':
                 author = latex_escape(code.strip())
                 authors.append(author)
-                html=''
-            elif b=='inxx':
-                html='\inxx{%s}' % latex_escape(code)
-            elif b=='cite':
-                html='~\cite{%s}' % latex_escape(code.strip())
-            elif b=='ref':
-                html='~\ref{%s}' % latex_escape(code.strip())
-            elif b=='latex':
+                html = ''
+            elif b == 'inxx':
+                html = '\inxx{%s}' % latex_escape(code)
+            elif b == 'cite':
+                html = '~\cite{%s}' % latex_escape(code.strip())
+            elif b == 'ref':
+                html = '~\ref{%s}' % latex_escape(code.strip())
+            elif b == 'latex':
                 if '\n' in code:
-                    html='\n\\begin{equation}\n%s\n\\end{equation}\n' % code.strip()
+                    html = '\n\\begin{equation}\n%s\n\\end{equation}\n' % code.strip()
                 else:
-                    html='$%s$' % code.strip()
-            elif b=='latex_eqnarray':
-                code=code.strip()
-                code='\\\\'.join(x.replace('=','&=&',1) for x in code.split('\\\\'))
-                html='\n\\begin{eqnarray}\n%s\n\\end{eqnarray}\n' % code
+                    html = '$%s$' % code.strip()
+            elif b == 'latex_eqnarray':
+                code = code.strip()
+                code = '\\\\'.join(x.replace('=', '&=&', 1) for x in code.split('\\\\'))
+                html = '\n\\begin{eqnarray}\n%s\n\\end{eqnarray}\n' % code
             elif b.startswith('latex_'):
-                key=b[6:]
-                html='\\begin{%s}%s\\end{%s}' % (key,code,key)
+                key = b[6:]
+                html = '\\begin{%s}%s\\end{%s}' % (key, code, key)
             elif b in extra:
-                if code[:1]=='\n': code=code[1:]
-                if code[-1:]=='\n': code=code[:-1]
+                if code[:1] == '\n':
+                    code = code[1:]
+                if code[-1:] == '\n':
+                    code = code[:-1]
                 html = extra[b](code)
-            elif code[:1]=='\n' or code[:-1]=='\n':
-                if code[:1]=='\n': code=code[1:]
-                if code[-1:]=='\n': code=code[:-1]
+            elif code[:1] == '\n' or code[:-1] == '\n':
+                if code[:1] == '\n':
+                    code = code[1:]
+                if code[-1:] == '\n':
+                    code = code[:-1]
                 if code.startswith('<') or code.startswith('{{') or code.startswith('http'):
                     html = '\\begin{lstlisting}[keywords={}]\n%s\n\\end{lstlisting}' % code
                 else:
                     html = '\\begin{lstlisting}\n%s\n\\end{lstlisting}' % code
             else:
-                if code[:1]=='\n': code=code[1:]
-                if code[-1:]=='\n': code=code[:-1]
+                if code[:1] == '\n':
+                    code = code[1:]
+                if code[-1:] == '\n':
+                    code = code[:-1]
                 html = '{\\ft %s}' % latex_escape(code)
         try:
-            text = text+html+parts[i+1]
+            text = text + html + parts[i + 1]
         except:
             text = text + '... WIKI PROCESSING ERROR ...'
             break
-    text =  text.replace(' ~\\cite','~\\cite')
+    text = text.replace(' ~\\cite', '~\\cite')
     return text, title, authors
 
+
 WRAPPER = """
 \\documentclass[12pt]{article}
 \\usepackage{hyperref}
@@ -239,12 +259,14 @@ WRAPPER = """
 \\end{document}
 """
 
-def markmin2latex(data, image_mapper=lambda x:x, extra={},
+
+def markmin2latex(data, image_mapper=lambda x: x, extra={},
                   wrapper=WRAPPER):
     body, title, authors = render(data, extra=extra, image_mapper=image_mapper)
-    author = '\n\\and\n'.join(a.replace('\n','\\\\\n\\footnotesize ') for a in authors)
+    author = '\n\\and\n'.join(a.replace('\n', '\\\\\n\\footnotesize ') for a in authors)
     return wrapper % dict(title=title, author=author, body=body)
 
+
 if __name__ == '__main__':
     parser = OptionParser()
     parser.add_option("-i", "--info", dest="info",
@@ -252,40 +274,39 @@ if __name__ == '__main__':
     parser.add_option("-t", "--test", dest="test", action="store_true",
                       default=False)
     parser.add_option("-n", "--no_wrapper", dest="no_wrapper",
-                      action="store_true",default=False)
-    parser.add_option("-c", "--chapters", dest="chapters",action="store_true",
-                      default=False,help="switch section for chapter")
+                      action="store_true", default=False)
+    parser.add_option("-c", "--chapters", dest="chapters", action="store_true",
+                      default=False, help="switch section for chapter")
     parser.add_option("-w", "--wrapper", dest="wrapper", default=False,
                       help="latex file containing header and footer")
 
     (options, args) = parser.parse_args()
     if options.info:
         import markmin2html
+
         markmin2latex(markmin2html.__doc__)
     elif options.test:
         doctest.testmod()
     else:
         if options.wrapper:
-            fwrapper = open(options.wrapper,'rb')
+            fwrapper = open(options.wrapper, 'rb')
             try:
                 wrapper = fwrapper.read()
             finally:
                 fwrapper.close()
         elif options.no_wrapper:
-            wrapper  = '%(body)s'
+            wrapper = '%(body)s'
         else:
             wrapper = WRAPPER
         for f in args:
-            fargs = open(f,'r')
+            fargs = open(f, 'r')
             content_data = []
             try:
                 content_data.append(fargs.read())
             finally:
                 fargs.close()
         content = '\n'.join(content_data)
-        output= markmin2latex(content,
-                              wrapper=wrapper,
-                              chapters=options.chapters)
+        output = markmin2latex(content,
+                               wrapper=wrapper,
+                               chapters=options.chapters)
         print output
-
-