diff --git a/fabfile.py b/fabfile.py
index 2a1f6018..f62ef8ea 100644
--- a/fabfile.py
+++ b/fabfile.py
@@ -27,7 +27,7 @@ def create_user(username):
     run('EDITOR="cp /tmp/sudoers.new" visudo')
     uncomment('~%s/.bashrc' % username, '#force_color_prompt=yes')
 
-def install_web2py():        
+def install_web2py():
     """fab -H username@host install_web2py"""
     sudo('wget https://raw.githubusercontent.com/web2py/web2py/master/scripts/%s' % INSTALL_SCRIPT)
     sudo('chmod +x %s' % INSTALL_SCRIPT)
@@ -119,7 +119,7 @@ def deploy(appname=None, all=False):
         os.unlink(zipfile)
 
     backup = mkdir_or_backup(appname)
-            
+
     if all=='all' or not backup:
         local('zip -r _update.zip * -x *~ -x .* -x \#* -x *.bak -x *.bak2')
     else:
@@ -131,10 +131,10 @@ def deploy(appname=None, all=False):
             sudo('unzip -o /tmp/_update.zip')
             sudo('chown -R www-data:www-data *')
             sudo('echo "%s" > DATE_DEPLOYMENT' % now)
-    
+
     finally:
         sudo('rm /tmp/_update.zip')
-               
+
     if backup:
         print 'TO RESTORE: fab restore:%s' % backup
 
@@ -154,10 +154,10 @@ def deploynobackup(appname=None):
             sudo('unzip -o /tmp/_update.zip')
             sudo('chown -R www-data:www-data *')
             sudo('echo "%s" > DATE_DEPLOYMENT' % now)
-    
+
     finally:
         sudo('rm /tmp/_update.zip')
-             
+
 def restore(backup):
     """fab -H username@host restore:backupfilename"""
     appname = backup.split('/')[-1].split('.')[0]
diff --git a/gluon/admin.py b/gluon/admin.py
index 842d853d..0d207e2e 100644
--- a/gluon/admin.py
+++ b/gluon/admin.py
@@ -36,7 +36,7 @@ REGEX_EXTEND = r"""^\s*(?P<all>\{\{\s*extend\s+['"](?P<name>[^'"]+)['"]\s*\}\})"
 REGEX_INCLUDE = r"""(?P<all>\{\{\s*include\s+['"](?P<name>[^'"]+)['"]\s*\}\})"""
 
 
-# TODO: swap arguments, let first ('r' or whatever) be mandatory 
+# TODO: swap arguments, let first ('r' or whatever) be mandatory
 def apath(path='', r=None):
     """Builds a path inside an application folder
 
diff --git a/gluon/authapi.py b/gluon/authapi.py
index 2158d0a5..220ba437 100644
--- a/gluon/authapi.py
+++ b/gluon/authapi.py
@@ -444,7 +444,6 @@ class AuthAPI(object):
         if type(description).__name__ == 'lazyT':
             description = description.m
         if not user_id or self.table_user()[user_id]:
-            description = description.replace('%', '%%')
             self.table_event().insert(
                 description=str(description % vars), origin=origin, user_id=user_id)
 
diff --git a/gluon/sqlhtml.py b/gluon/sqlhtml.py
index caa1249a..438e4333 100644
--- a/gluon/sqlhtml.py
+++ b/gluon/sqlhtml.py
@@ -2666,7 +2666,7 @@ class SQLFORM(FORM):
                     otablename, ofieldname = order.split('~')[-1].split('.', 1)
                     sort_field = db[otablename][ofieldname]
                     orderby = sort_field if order[:1] != '~' else ~sort_field
-                    
+
             orderby = fix_orderby(orderby)
 
             # expcolumns start with the visible columns, which
@@ -2815,11 +2815,11 @@ class SQLFORM(FORM):
                 if key == order.lstrip('~'):
                     if inverted:
                         if key == order:
-                            key, marker = 'None', asc_icon 
+                            key, marker = 'None', asc_icon
                         else:
                             key, marker = order[1:], desc_icon
                     else:
-                        if key == order:                            
+                        if key == order:
                             key, marker = '~' + order, asc_icon
                         else:
                             key, marker = 'None', desc_icon
diff --git a/gluon/validators.py b/gluon/validators.py
index 31926640..c51f9014 100644
--- a/gluon/validators.py
+++ b/gluon/validators.py
@@ -1,3 +1,2 @@
 from pydal.validators import *
 from pydal.validators import simple_hash, get_digest, Validator, ValidationError, translate, __all__
-