API ToggleGlyphFilter

__NOTOC__
Toggles the state of a glyph filter
 ToggleGlyphFilter(filter)
== Parameters ==
:;filter : Integer - Glyph filter index ( 1 = Primal, 2 = Major, 4 = Minor, 8 = Known, 16 = Unknown )
=== Returns ===
:;nil
== Related Functions ==
:; (isKnown) : Returns the current state of the selected filter
:; (index) : Gets information on the selected item in the Glyph List