RGB-LCD Shield: push-button debounce?

[javaben]

First, got the project soldered up and working - nice job Adafruit!

Was looking into the I2C port expander MCP23017, and noticed a couple of things: 1) interrupts aren't made available, and 2)can't see where pushbuttons are debounced, since they go to the MCP23017 directly, there isn't any way to debounce these in software, so how are they getting debounced?

Also, don't see a schematic anywhere. Am I overlooking it, or is there no schematic for this project?

Thanks!

[adafruit]

the buttons dont need to be debounced because we poll (very slowly) instead of using an interrupt. we dont connect the interrupt pin, its not used at all.