Remap curved quotation marks in OS X?
You can use KeyRemap4MacBook with a private.xml such as this:

&lt;?xml version="1.0"?&gt;
&lt;root&gt;
  &lt;item&gt;
    &lt;name&gt;Manual Smart Quotes&lt;/name&gt;
    &lt;identifier&gt;ManualSmartQuotes&lt;/identifier&gt;
    &lt;autogen&gt;
      __KeyToKey__
      KeyCode::BRACKET_RIGHT, VK_OPTION | ModifierFlag::NONE,
      KeyCode::BRACKET_LEFT, ModifierFlag::OPTION_L | ModifierFlag::SHIFT_L
    &lt;/autogen&gt;
    &lt;autogen&gt;
      __KeyToKey__
      KeyCode::BRACKET_LEFT, VK_OPTION, | ModifierFlag::SHIFT_L,
      KeyCode::BRACKET_RIGHT, ModifierFlag::OPTION_L
    &lt;/autogen&gt;
  &lt;/item&gt;
&lt;/root&gt;