diff --git a/src/calibre/ebooks/mobi/reader.py b/src/calibre/ebooks/mobi/reader.py
index 1f84c4f5d4..95a05e69c0 100644
--- a/src/calibre/ebooks/mobi/reader.py
+++ b/src/calibre/ebooks/mobi/reader.py
@@ -382,6 +382,7 @@ class MobiReader(object):
                     }
         mobi_version = self.book_header.mobi_version
         for tag in root.iter(etree.Element):
+            tag.attrib.pop('xmlns', '')
             if tag.tag in ('country-region', 'place', 'placetype', 'placename',
                            'state', 'city', 'street', 'address', 'content'):
                 tag.tag = 'div' if tag.tag == 'content' else 'span'
diff --git a/src/calibre/utils/terminfo.py b/src/calibre/utils/terminfo.py
index 075c0e694d..1cbd4d830a 100644
--- a/src/calibre/utils/terminfo.py
+++ b/src/calibre/utils/terminfo.py
@@ -7,22 +7,22 @@ import sys, re, os
 class TerminalController:
     """
     A class that can be used to portably generate formatted output to
-    a terminal.  
-    
+    a terminal.
+
     `TerminalController` defines a set of instance variables whose
     values are initialized to the control sequence necessary to
     perform a given action.  These can be simply included in normal
     output to the terminal:
-    
+
     >>> term = TerminalController()
     >>> print 'This is '+term.GREEN+'green'+term.NORMAL
-    
+
     Alternatively, the `render()` method can used, which replaces
     '${action}' with the string required to perform 'action':
-    
+
     >>> term = TerminalController()
     >>> print term.render('This is ${GREEN}green${NORMAL}')
-    
+
     If the terminal doesn't support a given action, then the value of
     the corresponding instance variable will be set to ''.  As a
     result, the above code will still work on terminals that do not
@@ -30,11 +30,11 @@ class TerminalController:
     Also, this means that you can test whether the terminal supports a
     given action by simply testing the truth value of the
     corresponding instance variable:
-    
+
     >>> term = TerminalController()
     >>> if term.CLEAR_SCREEN:
     ...     print 'This terminal supports clearning the screen.'
-    
+
     Finally, if the width and height of the terminal are known, then
     they will be stored in the `COLS` and `LINES` attributes.
     """
@@ -44,35 +44,35 @@ class TerminalController:
     DOWN = ''            #: Move the cursor down one line
     LEFT = ''            #: Move the cursor left one char
     RIGHT = ''           #: Move the cursor right one char
-    
+
     # Deletion:
     CLEAR_SCREEN = ''    #: Clear the screen and move to home position
     CLEAR_EOL = ''       #: Clear to the end of the line.
     CLEAR_BOL = ''       #: Clear to the beginning of the line.
     CLEAR_EOS = ''       #: Clear to the end of the screen
-    
+
     # Output modes:
     BOLD = ''            #: Turn on bold mode
     BLINK = ''           #: Turn on blink mode
     DIM = ''             #: Turn on half-bright mode
     REVERSE = ''         #: Turn on reverse-video mode
     NORMAL = ''          #: Turn off all modes
-    
+
     # Cursor display:
     HIDE_CURSOR = ''     #: Make the cursor invisible
     SHOW_CURSOR = ''     #: Make the cursor visible
-    
+
     # Terminal size:
     COLS = None          #: Width of the terminal (None for unknown)
     LINES = None         #: Height of the terminal (None for unknown)
-    
+
     # Foreground colors:
     BLACK = BLUE = GREEN = CYAN = RED = MAGENTA = YELLOW = WHITE = ''
-    
+
     # Background colors:
     BG_BLACK = BG_BLUE = BG_GREEN = BG_CYAN = ''
     BG_RED = BG_MAGENTA = BG_YELLOW = BG_WHITE = ''
-    
+
     _STRING_CAPABILITIES = """
     BOL=cr UP=cuu1 DOWN=cud1 LEFT=cub1 RIGHT=cuf1
     CLEAR_SCREEN=clear CLEAR_EOL=el CLEAR_BOL=el1 CLEAR_EOS=ed BOLD=bold
@@ -80,7 +80,7 @@ class TerminalController:
     HIDE_CURSOR=cinvis SHOW_CURSOR=cnorm""".split()
     _COLORS = """BLACK BLUE GREEN CYAN RED MAGENTA YELLOW WHITE""".split()
     _ANSICOLORS = "BLACK RED GREEN YELLOW BLUE MAGENTA CYAN WHITE".split()
-    
+
     def __init__(self, term_stream=sys.stdout):
         """
         Create a `TerminalController` and initialize its attributes
@@ -92,24 +92,24 @@ class TerminalController:
         # Curses isn't available on all platforms
         try: import curses
         except: return
-        
+
         # If the stream isn't a tty, then assume it has no capabilities.
         if os.environ.get('CALIBRE_WORKER', None) is not None or not hasattr(term_stream, 'isatty') or not term_stream.isatty(): return
-        
+
         # Check the terminal type.  If we fail, then assume that the
         # terminal has no capabilities.
         try: curses.setupterm()
         except: return
-        
+
         # Look up numeric capabilities.
         self.COLS = curses.tigetnum('cols')
         self.LINES = curses.tigetnum('lines')
-        
+
         # Look up string capabilities.
         for capability in self._STRING_CAPABILITIES:
             (attrib, cap_name) = capability.split('=')
             setattr(self, attrib, self._tigetstr(cap_name) or '')
-        
+
         # Colors
         set_fg = self._tigetstr('setf')
         if set_fg:
@@ -127,7 +127,7 @@ class TerminalController:
         if set_bg_ansi:
             for i,color in zip(range(len(self._ANSICOLORS)), self._ANSICOLORS):
                 setattr(self, 'BG_'+color, curses.tparm(set_bg_ansi, i) or '')
-    
+
     def _tigetstr(self, cap_name):
         # String capabilities can include "delays" of the form "$<2>".
         # For any modern terminal, we should be able to just ignore
@@ -135,7 +135,7 @@ class TerminalController:
         import curses
         cap = curses.tigetstr(cap_name) or ''
         return re.sub(r'\$<\d+>[/*]?', '', cap)
-    
+
     def render(self, template):
         """
         Replace each $-substitutions in the given template string with
@@ -143,7 +143,7 @@ class TerminalController:
         '' (if it's not).
         """
         return re.sub(r'\$\$|\${\w+}', self._render_sub, template)
-    
+
     def _render_sub(self, match):
         s = match.group()
         if s == '$$': return s
@@ -156,20 +156,20 @@ class TerminalController:
 class ProgressBar:
     """
     A 3-line progress bar, which looks like::
-    
+
     Header
     20% [===========----------------------------------]
     progress message
-    
+
     The progress bar is colored, if the terminal supports color
     output; and adjusts to the width of the terminal.
-    
+
     If the terminal doesn't have the required capabilities, it uses a
     simple progress bar.
     """
     BAR = '%3d%% ${GREEN}[${BOLD}%s%s${NORMAL}${GREEN}]${NORMAL}\n'
     HEADER = '${BOLD}${CYAN}%s${NORMAL}\n\n'
-    
+
     def __init__(self, term, header, no_progress_bar = False):
         self.term, self.no_progress_bar = term, no_progress_bar
         self.fancy = self.term.CLEAR_EOL and self.term.UP and self.term.BOL
@@ -177,12 +177,14 @@ class ProgressBar:
             self.width = self.term.COLS or 75
             self.bar = term.render(self.BAR)
             self.header = self.term.render(self.HEADER % header.center(self.width))
+            if isinstance(self.header, unicode):
+                self.header = self.header.encode('utf-8')
             self.cleared = 1 #: true if we haven't drawn the bar yet.
-        
+
     def update(self, percent, message=''):
         if isinstance(message, unicode):
             message = message.encode('utf-8', 'replace')
-        
+
         if self.no_progress_bar:
             if message:
                 print message
@@ -203,8 +205,8 @@ class ProgressBar:
             else:
                 print '%d%%'%(percent*100), message
             sys.stdout.flush()
-            
-    
+
+
     def clear(self):
         if self.fancy and not self.cleared:
             sys.stdout.write(self.term.BOL + self.term.CLEAR_EOL +