1. SF Bug 661676
   The default font is not highlighted in the Options dialog when
   IDLEfork is first installed.

2. Reduce default font to 10 pt and increase default window height to give
   a better initial impression on Windows.

M config-main.def
M configDialog.py
diff --git a/Lib/idlelib/configDialog.py b/Lib/idlelib/configDialog.py
index bdf253b..af3e98a 100644
--- a/Lib/idlelib/configDialog.py
+++ b/Lib/idlelib/configDialog.py
@@ -93,7 +93,7 @@
         self.spaceNum=IntVar(self)
         #self.tabCols=IntVar(self)
         self.indentBySpaces=BooleanVar(self)
-        self.editFont=tkFont.Font(self,('courier',12,'normal'))
+        self.editFont=tkFont.Font(self,('courier',10,'normal'))
         ##widget creation
         #body frame
         frame=self.tabPages.pages['Fonts/Tabs']['page']
@@ -837,7 +837,8 @@
         self.SetThemeType()
 
     def OnListFontButtonRelease(self,event):
-        self.fontName.set(self.listFontName.get(ANCHOR))
+        font = self.listFontName.get(ANCHOR)
+        self.fontName.set(font.lower())
         self.SetFontSample()
 
     def SetFontSample(self,event=None):
@@ -956,15 +957,17 @@
             self.listFontName.insert(END,font)
         configuredFont=idleConf.GetOption('main','EditorWindow','font',
                 default='courier')
-        self.fontName.set(configuredFont)
-        if configuredFont in fonts:
-            currentFontIndex=fonts.index(configuredFont)
+        lc_configuredFont = configuredFont.lower()
+        self.fontName.set(lc_configuredFont)
+        lc_fonts = [s.lower() for s in fonts]
+        if lc_configuredFont in lc_fonts:
+            currentFontIndex = lc_fonts.index(lc_configuredFont)
             self.listFontName.see(currentFontIndex)
             self.listFontName.select_set(currentFontIndex)
             self.listFontName.select_anchor(currentFontIndex)
         ##font size dropdown
         fontSize=idleConf.GetOption('main','EditorWindow','font-size',
-                default='12')
+                default='10')
         self.optMenuFontSize.SetMenu(('7','8','9','10','11','12','13','14',
                 '16','18','20','22'),fontSize )
         ##fontWeight