(This item pertains to the check boxes on the General tab of the Setup Options dialog box. You can open it through the F5 key or through the Edit | Preferences | Setup menu option.)
This check box determines whether to enable or disable the Peek window. The Peek window is enabled by default.
If you mark this check box, the Peek window displays a command's information when you point to the command in the Edit window in Summary mode.
If you clear this check box, the Peek window does not display a command's information when you point to the command in the Edit window in Summary mode.
For more information on the Peek window, see "Using the Peek Window" in the "Using the Edit Window" chapter.