+(defcustom glasses-separate-capital-groups t
+ "If non-nil, try to separate groups of capital letters.
+When the value is non-nil, HTMLSomething and IPv6 are displayed
+as HTML_Something and I_Pv6 respectively. Set the value to nil
+if you prefer to display them unchanged."
+ :group 'glasses
+ :type 'boolean
+ :version "24.1")
+