Improve idlelib.textview comments.

Lib/idlelib/textview.py

@@ -7,9 +7,8 @@ from tkinter.messagebox import showerror
 
 
 class TextViewer(Toplevel):
-    """A simple text viewer dialog for IDLE
+    "A simple text viewer dialog for IDLE."
 
-    """
     def __init__(self, parent, title, text, modal=True, _htest=False):
         """Show the given text in a scrollable window with a 'close' button
 
@@ -21,11 +20,11 @@ class TextViewer(Toplevel):
         """
         Toplevel.__init__(self, parent)
         self.configure(borderwidth=5)
-        # place dialog below parent if running htest
+        # Place dialog below parent if running htest.
         self.geometry("=%dx%d+%d+%d" % (750, 500,
                            parent.winfo_rootx() + 10,
                            parent.winfo_rooty() + (10 if not _htest else 100)))
-        #elguavas - config placeholders til config stuff completed
+        # TODO: get fg/bg from theme.
         self.bg = '#ffffff'
         self.fg = '#000000'
 
@@ -34,9 +33,9 @@ class TextViewer(Toplevel):
         self.protocol("WM_DELETE_WINDOW", self.Ok)
         self.parent = parent
         self.textView.focus_set()
-        #key bindings for this dialog
-        self.bind('<Return>',self.Ok) #dismiss dialog
-        self.bind('<Escape>',self.Ok) #dismiss dialog
+        # Bind keys for closing this dialog.
+        self.bind('<Return>',self.Ok)
+        self.bind('<Escape>',self.Ok)
         self.textView.insert(0.0, text)
         self.textView.config(state=DISABLED)