Font:setFallbacks
Sets the fallback fonts. When the Font doesn't contain a glyph, it will substitute the glyph from the next subsequent fallback Fonts. This is akin to setting a 'font stack' in Cascading Style Sheets (CSS).
Font:setFallbacks( fallbackfont1, ... )
fallbackfont1 Font The first fallback Font to use.
... Font Additional fallback Fonts.