diff --git a/application.py b/application.py
index 1396ae4..31421bc 100755
--- a/application.py
+++ b/application.py
@@ -834,15 +834,25 @@ class Application(object):
         lines    = w.buffer.lines
         count    = w.mode.header
         swidth   = slot.width - lm - rm
-        k        = (x + swidth - 1) // swidth
         modename = w.mode.name()
         lit      = w.mode.name() in w.buffer.highlights
         ended    = False
+
+        # figure out which "physical line" is the first to be shown. note that
+        # the cursor shouldn't be in the last column unless it's the end of a
+        # line.
+        k = x // swidth
+        if x < lines[y] and x == swidth:
+            k += 1
+
         while count < slot.height:
             if lit:
                 rlines = w.render_line_lit(y, swidth)
             else:
                 rlines = w.render_line_raw(y, swidth)
+            if w.first.y > 0:
+                msg = '(%r + %r - 1) // %r == %r, %r' % (x, swidth, swidth, k, rlines[k:])
+                #raise Exception(msg)
             for j in range(k, len(rlines)):
                 if lm:
                     lcont = j > 0
diff --git a/mode/__init__.py b/mode/__init__.py
index c533964..03823ce 100644
--- a/mode/__init__.py
+++ b/mode/__init__.py
@@ -419,6 +419,7 @@ class Fundamental(Handler):
             'perc':   self._get_perc(),
             'indent': self._get_indent(),
             'cursor': '(%d,%d)' % (c.y + 1, c.x + 1),
+            'first': '(%d,%d)' % (w.first.y + 1, w.first.x + 1),
             'mark':   self._get_mark(),
         }
         return d
diff --git a/mode/python.py b/mode/python.py
index 4021531..0f699e8 100644
--- a/mode/python.py
+++ b/mode/python.py
@@ -603,7 +603,7 @@ class Python(mode.Fundamental):
         'python.lib': '.',
     }
     lconfig = {
-        'ignore-suffix': ['.pyc'],
+        'ignore-suffix': ['.pyc', '.pyo'],
     }
     actions = [PythonCommentRegion, PythonUncommentRegion,
                PythonInitNames, PythonListNames, PythonGotoName,
@@ -616,15 +616,14 @@ class Python(mode.Fundamental):
         "pythonclass":    PythonClassCompleter(None),
     }
 
-    #format = "%(flag)s  %(bname)-18s  (%(mname)s)  %(indent)s  %(cursor)s/%(mark)s  %(perc)s  [%(name)s]"
-    format = "%(flag)s  %(bname)-18s  (%(mname)s)  %(indent)s  %(cursor)s/%(first)s  %(perc)s  [%(name)s]"
+    format = "%(flag)s  %(bname)-18s  (%(mname)s)  %(indent)s  %(cursor)s/%(mark)s  %(perc)s  [%(name)s]"
     header_size = 3
 
     def get_status_names(self):
         names = mode.Fundamental.get_status_names(self)
         c = self.window.logical_cursor()
         names['name'] = self.context.get_line_name(c.y)
-        names['first'] = self.window.first.xy()
+        #names['first'] = self.window.first.xy()
         return names
 
     # xyz
diff --git a/mode/sql.py b/mode/sql.py
index 72cc429..0baf31a 100644
--- a/mode/sql.py
+++ b/mode/sql.py
@@ -1,6 +1,7 @@
 import mode, tab
 from lex import Grammar, PatternRule, NocasePatternRule, RegionRule, NocaseRegionRule
 from mode.python import StringGrammar1, StringGrammar2
+from method import CommentRegion, UncommentRegion
 
 class PlPgSqlGrammar(Grammar):
     rules = [
@@ -69,6 +70,11 @@ class SqlGrammar(Grammar):
         PatternRule(r'eol', r'\n'),
     ]
 
+class SqlCommentRegion(CommentRegion):
+    commentc = '--'
+class SqlUncommentRegion(UncommentRegion):
+    commentc = '--'
+
 class SqlTabber(tab.StackTabber):
     wst  = ('null', 'eol',)
     def is_base(self, y):