5.5.3 modifier-type

Values:

• :button1-mask
• :button2-mask
• :button3-mask
• :button4-mask
• :button5-mask
• :control-mask
• :hyper-mask
• :lock-mask
• :meta-mask
• :mod1-mask
• :mod2-mask
• :mod3-mask
• :mod4-mask
• :mod5-mask
• :modifier-mask
• :release-mask
• :shift-mask
• :super-mask