diff --git a/Changelog.yaml b/Changelog.yaml
index 7f7afc117a..bcf58ae03d 100644
--- a/Changelog.yaml
+++ b/Changelog.yaml
@@ -11,7 +11,7 @@
     - title: "Page turn animations in the e-book viewer"
       type: major
       description: >
-        "Now when you use the Page Down/Page Up keys or the next/previous page buttons in the viewer, page turning will be animated. The duration of the animation can be controlled in the viewer preferences. Setting it to o disables the animation completely."
+        "Now when you use the Page Down/Page Up keys or the next/previous page buttons in the viewer, page turning will be animated. The duration of the animation can be controlled in the viewer preferences. Setting it to 0 disables the animation completely."
 
     - title: "Conversion pipeline: Add an option to set the minimum line height of all elemnts as a percentage of the computed font size. By default, calibre now sets the line height to 120% of the computed font size."
 
diff --git a/resources/default_tweaks.py b/resources/default_tweaks.py
index 750af9efa7..6d4f7a405f 100644
--- a/resources/default_tweaks.py
+++ b/resources/default_tweaks.py
@@ -41,6 +41,20 @@ series_index_auto_increment = 'next'
 # selecting 'manage authors', and pressing 'Recalculate all author sort values'.
 author_sort_copy_method = 'invert'
 
+# Set which author field to display in the tags pane (the list of authors,
+# series, publishers etc on the left hand side). The choices are author and
+# author_sort. This tweak affects only the tags pane, and only what is displayed
+# under the authors category. Please note that if you set this to author_sort,
+# it is very possible to see duplicate names in the list becasue although it is
+# guaranteed that author names are unique, there is no such guarantee for
+# author_sort values. Showing duplicates won't break anything, but it could
+# lead to some confusion. When using 'author_sort', the tooltip will show the
+# author's name.
+# Examples:
+#   tags_pane_use_field_for_author_name = 'author'
+#   tags_pane_use_field_for_author_name = 'author_sort'
+tags_pane_use_field_for_author_name = 'author'
+
 
 # Set whether boolean custom columns are two- or three-valued.
 #  Two-values for true booleans
diff --git a/resources/recipes/johm.recipe b/resources/recipes/johm.recipe
index ee162b27c2..6930f05a50 100644
--- a/resources/recipes/johm.recipe
+++ b/resources/recipes/johm.recipe
@@ -12,16 +12,6 @@ class JournalofHospitalMedicine(BasicNewsRecipe):
     language = 'en'
 
     no_stylesheets = True
-    #remove_tags_before = dict(name='div', attrs={'align':'center'})
-    #remove_tags_after  = dict(name='ol', attrs={'compact':'COMPACT'})
-    remove_tags = [
-       dict(name='iframe'),
-       dict(name='div', attrs={'class':'subContent'}),
-       dict(name='div', attrs={'id':['contentFrame']}),
-       #dict(name='form', attrs={'onsubmit':"return verifySearch(this.w,'Keyword, citation, or author')"}),
-       #dict(name='table', attrs={'align':'RIGHT'}),
-    ]
-
 
 
    # TO LOGIN
@@ -39,47 +29,47 @@ class JournalofHospitalMedicine(BasicNewsRecipe):
 
     #TO GET ARTICLE TOC
     def johm_get_index(self):
-            return self.index_to_soup('http://www3.interscience.wiley.com/journal/111081937/home')
+        return self.index_to_soup('http://www3.interscience.wiley.com/journal/111081937/home')
 
     # To parse artice toc
     def parse_index(self):
-            parse_soup = self.johm_get_index()
+        parse_soup = self.johm_get_index()
 
-            div = parse_soup.find(id='contentCell')
+        div = parse_soup.find(id='contentCell')
 
-            current_section = None
-            current_articles = []
-            feeds = []
-            for x in div.findAll(True):
-                if x.name == 'h4':
-                    # Section heading found
-                    if current_articles and current_section:
-                        feeds.append((current_section, current_articles))
-                    current_section = self.tag_to_string(x)
-                    current_articles = []
-                    self.log('\tFound section:', current_section)
-                if current_section is not None and x.name == 'strong':
-                    title = self.tag_to_string(x)
-                    p = x.parent.parent.find('a', href=lambda x: x and '/HTMLSTART' in x)
-                    if p is None:
-                        continue
-                    url = p.get('href', False)
-                    if not url or not title:
-                        continue
-                    if url.startswith('/'):
-                         url = 'http://www3.interscience.wiley.com'+url
-                    url = url.replace('/HTMLSTART', '/main.html,ftx_abs')
-                    self.log('\t\tFound article:', title)
-                    self.log('\t\t\t', url)
-                    #if url.startswith('/'):
-                        #url = 'http://online.wsj.com'+url
-                    current_articles.append({'title': title, 'url':url,
-                        'description':'', 'date':''})
+        current_section = None
+        current_articles = []
+        feeds = []
+        for x in div.findAll(True):
+            if x.name == 'h4':
+                # Section heading found
+                if current_articles and current_section:
+                    feeds.append((current_section, current_articles))
+                current_section = self.tag_to_string(x)
+                current_articles = []
+                self.log('\tFound section:', current_section)
+            if current_section is not None and x.name == 'strong':
+                title = self.tag_to_string(x)
+                p = x.parent.parent.find('a', href=lambda x: x and '/HTMLSTART' in x)
+                if p is None:
+                    continue
+                url = p.get('href', False)
+                if not url or not title:
+                    continue
+                if url.startswith('/'):
+                        url = 'http://www3.interscience.wiley.com'+url
+                url = url.replace('/HTMLSTART', '/main.html,ftx_abs')
+                self.log('\t\tFound article:', title)
+                self.log('\t\t\t', url)
+                #if url.startswith('/'):
+                    #url = 'http://online.wsj.com'+url
+                current_articles.append({'title': title, 'url':url,
+                    'description':'', 'date':''})
 
-            if current_articles and current_section:
-                feeds.append((current_section, current_articles))
+        if current_articles and current_section:
+            feeds.append((current_section, current_articles))
 
-            return feeds
+        return feeds
 
     def preprocess_html(self, soup):
         for img in soup.findAll('img', src=True):
diff --git a/resources/recipes/nejm.recipe b/resources/recipes/nejm.recipe
index c860413926..a6580a5232 100644
--- a/resources/recipes/nejm.recipe
+++ b/resources/recipes/nejm.recipe
@@ -11,16 +11,7 @@ class NYTimes(BasicNewsRecipe):
     language = 'en'
 
     no_stylesheets = True
-    remove_tags_before = dict(name='div', attrs={'align':'center'})
-    remove_tags_after  = dict(name='ol', attrs={'compact':'COMPACT'})
-    remove_tags = [
-       dict(name='iframe'),
-       #dict(name='div', attrs={'class':'related-articles'}),
-       dict(name='div', attrs={'id':['sidebar']}),
-       #dict(name='form', attrs={'onsubmit':"return verifySearch(this.w,'Keyword, citation, or author')"}),
-       dict(name='table', attrs={'align':'RIGHT'}),
-    ]
-
+    keep_only_tags = dict(id='content')
 
 
     #TO LOGIN
@@ -38,61 +29,50 @@ class NYTimes(BasicNewsRecipe):
 
     #TO GET ARTICLE TOC
     def nejm_get_index(self):
-            return self.index_to_soup('http://content.nejm.org/current.dtl')
+        return self.index_to_soup('http://content.nejm.org/current.dtl')
 
     # To parse artice toc
     def parse_index(self):
-            parse_soup = self.nejm_get_index()
+        parse_soup = self.nejm_get_index()
 
-            div = parse_soup.find(id='centerTOC')
+        feeds = []
 
-            current_section = None
-            current_articles = []
-            feeds = []
-            for x in div.findAll(True):
-                if x.name == 'img' and '/toc/' in x.get('src', '') and 'uarrow.gif' not in x.get('src', ''):
-                    # Section heading found
-                    if current_articles and current_section and 'Week in the' not in current_section:
-                        feeds.append((current_section, current_articles))
-                    current_section = x.get('alt')
-                    current_articles = []
-                    self.log('\tFound section:', current_section)
-                if current_section is not None and x.name == 'strong':
-                    title = self.tag_to_string(x)
-                    a = x.parent.find('a', href=lambda x: x and '/full/' in x)
-                    if a is None:
-                        continue
-                    url = a.get('href', False)
-                    if not url or not title:
-                        continue
-                    if url.startswith('/'):
-                         url = 'http://content.nejm.org'+url
-                    self.log('\t\tFound article:', title)
-                    self.log('\t\t\t', url)
-                    if url.startswith('/'):
-                        url = 'http://online.wsj.com'+url
-                    current_articles.append({'title': title, 'url':url,
-                        'description':'', 'date':''})
-
-            if current_articles and current_section:
-                feeds.append((current_section, current_articles))
-
-            return feeds
-
-    def preprocess_html(self, soup):
-        for a in soup.findAll(text=lambda x: x and '[in this window]' in x):
-            a = a.findParent('a')
-            url = a.get('href', None)
-            if not url:
+        div = parse_soup.find(attrs={'class':'tocContent'})
+        for group in div.findAll(attrs={'class':'articleGrouping'}):
+            feed_title = group.find(attrs={'class':'articleType'})
+            if feed_title is None:
                 continue
-            if url.startswith('/'):
-                url = 'http://content.nejm.org'+url
-            isoup = self.index_to_soup(url)
-            img = isoup.find('img', src=lambda x: x and
-                    x.startswith('/content/'))
-            if img is not None:
-                img.extract()
-                table = a.findParent('table')
-                table.replaceWith(img)
-        return soup
+            feed_title = self.tag_to_string(feed_title)
+            articles = []
+            self.log('Found section:', feed_title)
+            for art in group.findAll(attrs={'class':lambda x: x and 'articleEntry'
+                in x}):
+                link = art.find(attrs={'class':lambda x:x and 'articleLink' in
+                    x})
+                if link is None:
+                    continue
+                a = link.find('a', href=True)
+                if a is None:
+                    continue
+                url = a.get('href')
+                if url.startswith('/'):
+                    url = 'http://www.nejm.org'+url
+                title = self.tag_to_string(a)
+                self.log.info('\tFound article:', title, 'at', url)
+                article = {'title':title, 'url':url, 'date':''}
+                au = art.find(attrs={'class':'articleAuthors'})
+                if au is not None:
+                    article['author'] = self.tag_to_string(au)
+                desc = art.find(attrs={'class':'hover_text'})
+                if desc is not None:
+                    desc = self.tag_to_string(desc)
+                    if 'author' in article:
+                        desc = ' by ' + article['author'] + ' ' +desc
+                    article['description'] = desc
+                articles.append(article)
+            if articles:
+                feeds.append((feed_title, articles))
+
+        return feeds
+
 
diff --git a/src/calibre/devices/misc.py b/src/calibre/devices/misc.py
index e27aee4393..68f4dba9a9 100644
--- a/src/calibre/devices/misc.py
+++ b/src/calibre/devices/misc.py
@@ -62,9 +62,9 @@ class SWEEX(USBMS):
     # Ordered list of supported formats
     FORMATS     = ['epub', 'prc', 'fb2', 'html', 'rtf', 'chm', 'pdf', 'txt']
 
-    VENDOR_ID   = [0x0525]
-    PRODUCT_ID  = [0xa4a5]
-    BCD         = [0x0319]
+    VENDOR_ID   = [0x0525, 0x177f]
+    PRODUCT_ID  = [0xa4a5, 0x300]
+    BCD         = [0x0319, 0x110]
 
     VENDOR_NAME = 'SWEEX'
     WINDOWS_MAIN_MEM = WINDOWS_CARD_A_MEM = 'EBOOKREADER'
diff --git a/src/calibre/gui2/tag_view.py b/src/calibre/gui2/tag_view.py
index f75061da12..a0e26cf77c 100644
--- a/src/calibre/gui2/tag_view.py
+++ b/src/calibre/gui2/tag_view.py
@@ -18,6 +18,7 @@ from PyQt4.Qt import Qt, QTreeView, QApplication, pyqtSignal, \
 from calibre.ebooks.metadata import title_sort
 from calibre.gui2 import config, NONE
 from calibre.library.field_metadata import TagsIcons, category_icon_map
+from calibre.utils.config import tweaks
 from calibre.utils.icu import sort_key
 from calibre.utils.search_query_parser import saved_searches
 from calibre.gui2 import error_dialog
@@ -409,17 +410,31 @@ class TagTreeItem(object): # {{{
         return NONE
 
     def tag_data(self, role):
+        tag = self.tag
+        if tag.category == 'authors' and \
+                tweaks['tags_pane_use_field_for_author_name'] == 'author_sort':
+            name = tag.sort
+            tt_author = True
+        else:
+            name = tag.name
+            tt_author = False
         if role == Qt.DisplayRole:
-            if self.tag.count == 0:
-                return QVariant('%s'%(self.tag.name))
+            if tag.count == 0:
+                return QVariant('%s'%(name))
             else:
-                return QVariant('[%d] %s'%(self.tag.count, self.tag.name))
+                return QVariant('[%d] %s'%(tag.count, name))
         if role == Qt.EditRole:
-            return QVariant(self.tag.name)
+            return QVariant(tag.name)
         if role == Qt.DecorationRole:
-            return self.icon_state_map[self.tag.state]
-        if role == Qt.ToolTipRole and self.tag.tooltip is not None:
-            return QVariant(self.tag.tooltip)
+            return self.icon_state_map[tag.state]
+        if role == Qt.ToolTipRole:
+            if tt_author:
+                if tag.tooltip is not None:
+                    return QVariant('(%s) %s'%(tag.name, tag.tooltip))
+                else:
+                    return QVariant(tag.name)
+            if tag.tooltip is not None:
+                return QVariant(tag.tooltip)
         return NONE
 
     def toggle(self):
diff --git a/src/calibre/library/database2.py b/src/calibre/library/database2.py
index 1557f5065e..2848e8ebb3 100644
--- a/src/calibre/library/database2.py
+++ b/src/calibre/library/database2.py
@@ -1128,6 +1128,10 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
                 for l in list:
                     (id, val, sort_val) = (l[0], l[1], l[2])
                     tids[category][val] = (id, sort_val)
+            elif cat['datatype'] == 'rating':
+                for l in list:
+                    (id, val) = (l[0], l[1])
+                    tids[category][val] = (id, '{0:05.2f}'.format(val))
             else:
                 for l in list:
                     (id, val) = (l[0], l[1])
@@ -1256,12 +1260,7 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
 
             # sort the list
             if sort == 'name':
-                def get_sort_key(x):
-                    sk = x.s
-                    if isinstance(sk, unicode):
-                        sk = sort_key(sk)
-                    return sk
-                kf = get_sort_key
+                kf = lambda x :sort_key(x.s)
                 reverse=False
             elif sort == 'popularity':
                 kf = lambda x: x.c
@@ -1967,7 +1966,7 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
 
     @classmethod
     def cleanup_tags(cls, tags):
-        tags = [x.strip() for x in tags if x.strip()]
+        tags = [x.strip().replace(',', ';') for x in tags if x.strip()]
         tags = [x.decode(preferred_encoding, 'replace') \
                     if isbytestring(x) else x for x in tags]
         tags = [u' '.join(x.split()) for x in tags]
diff --git a/src/calibre/library/schema_upgrades.py b/src/calibre/library/schema_upgrades.py
index 597cee8cfd..1483743e4a 100644
--- a/src/calibre/library/schema_upgrades.py
+++ b/src/calibre/library/schema_upgrades.py
@@ -427,7 +427,9 @@ class SchemaUpgrade(object):
 
     def upgrade_version_15(self):
         'Remove commas from tags'
-        self.conn.execute("UPDATE tags SET name=REPLACE(name, ',', ';')")
+        self.conn.execute("UPDATE OR IGNORE tags SET name=REPLACE(name, ',', ';')")
+        self.conn.execute("UPDATE OR IGNORE tags SET name=REPLACE(name, ',', ';;')")
+        self.conn.execute("UPDATE OR IGNORE tags SET name=REPLACE(name, ',', '')")
 
     def upgrade_version_16(self):
         self.conn.executescript('''
diff --git a/src/calibre/library/server/opds.py b/src/calibre/library/server/opds.py
index af635ebf48..cd0b80d4f0 100644
--- a/src/calibre/library/server/opds.py
+++ b/src/calibre/library/server/opds.py
@@ -19,7 +19,7 @@ from calibre.ebooks.metadata import fmt_sidx
 from calibre.library.comments import comments_to_html
 from calibre.library.server import custom_fields_to_display
 from calibre.library.server.utils import format_tag_string, Offsets
-from calibre import guess_type
+from calibre import guess_type, prepare_string_for_xml as xml
 from calibre.utils.icu import sort_key
 from calibre.utils.ordered_dict import OrderedDict
 
@@ -150,13 +150,13 @@ def ACQUISITION_ENTRY(item, version, db, updated, CFM, CKEYS, prefix):
         extra.append(_('RATING: %s<br />')%rating)
     tags = item[FM['tags']]
     if tags:
-        extra.append(_('TAGS: %s<br />')%format_tag_string(tags, ',',
+        extra.append(_('TAGS: %s<br />')%xml(format_tag_string(tags, ',',
                                                            ignore_max=True,
-                                                           no_tag_count=True))
+                                                           no_tag_count=True)))
     series = item[FM['series']]
     if series:
         extra.append(_('SERIES: %s [%s]<br />')%\
-                (series,
+                (xml(series),
                 fmt_sidx(float(item[FM['series_index']]))))
     for key in CKEYS:
         mi = db.get_metadata(item[CFM['id']['rec_index']], index_is_id=True)
@@ -164,11 +164,11 @@ def ACQUISITION_ENTRY(item, version, db, updated, CFM, CKEYS, prefix):
         if val:
             datatype = CFM[key]['datatype']
             if datatype == 'text' and CFM[key]['is_multiple']:
-                extra.append('%s: %s<br />'%(name, format_tag_string(val, ',',
+                extra.append('%s: %s<br />'%(xml(name), xml(format_tag_string(val, ',',
                                                            ignore_max=True,
-                                                           no_tag_count=True)))
+                                                           no_tag_count=True))))
             else:
-                extra.append('%s: %s<br />'%(name, val))
+                extra.append('%s: %s<br />'%(xml(name), xml(unicode(val))))
     comments = item[FM['comments']]
     if comments:
         comments = comments_to_html(comments)
diff --git a/src/calibre/manual/conversion.rst b/src/calibre/manual/conversion.rst
index fea20a3163..3a7ae16598 100644
--- a/src/calibre/manual/conversion.rst
+++ b/src/calibre/manual/conversion.rst
@@ -541,7 +541,9 @@ Use the options to remove headers and footers to mitigate this issue. If the hea
 removed from the text it can throw off the paragraph unwrapping.
 
 Some limitations of PDF input is complex, multi-column, and image based documents are not supported.
-Extraction of vector images and tables from within the document is also not supported.
+Extraction of vector images and tables from within the document is also not supported. Some PDFs use special glyphs to
+represent double ll or doubfle ff or fi,etc. Conversion of these may or may not work depending on jusy how they are 
+represented internally in the PDF.
 
 Comic Book Collections
 ~~~~~~~~~~~~~~~~~~~~~~~~~
diff --git a/src/calibre/web/feeds/news.py b/src/calibre/web/feeds/news.py
index ad2991d620..7bd5301dfb 100644
--- a/src/calibre/web/feeds/news.py
+++ b/src/calibre/web/feeds/news.py
@@ -548,6 +548,7 @@ class BasicNewsRecipe(Recipe):
             }
 
         For an example, see the recipe for downloading `The Atlantic`.
+        In addition, you can add 'author' for the author of the article.
         '''
         raise NotImplementedError