I'm going to leave a redundant call to love.graphics.setBackgroundColor in pong.splua, just to avoid thinking about where to move the corresponding log line.
ZE2ILGOVYZKBXUNKGMBGRP2KSDOQBO23RBFEMVVYFAWAIO5FCZCAC 5E7BBR7HWGOEJJ6YWPL3NJKZVBTUZWET7OQNCRU2MMNVEGCEIAWQC WZZLGNXE2NQFKEUD5RHXPAMP4LV6FML6EB23XNISRQMXIIFOTJ7AC 5YGO6JX5WTBNIRW2LKLJF7EE7Z5UNXAMLG24AUV5BK227S4AI4IQC FXI74QCLOZ4BS7UVZ3U2PE3LOL7MX3FWGHZCTGH3DYFXGTXVVIRAC OTIBCAUJ3KDQJLVDN3A536DLZGNRYMGJLORZVR3WLCGXGO6UGO6AC KKMFQDR43ZWVCDRHQLWWX3FCWCFA3ZSXYOBRJNPHUQZR2XPKWULAC 3VHUIIATPOF7FXB7NTL5MESCV5BCQACII2D7QZ4UIUCBX3CWXMMAC EKJUHVHBISNAJ6HP2LGPSOY7RI7DVP6KFJWF2AI24EVTIMACQTIQC 75O55MGVCYMYRCU2TJ6HWBVH6ASBPMLNQTH2FGNKEBOIFMJJREJQC love.window.setVSync(0) -- simplify profiling; we're not a gamelove.keyboard.setTextInput(true) -- bring up keyboard on touch screenlove.keyboard.setKeyRepeat(true)love.graphics.setBackgroundColor(1,1,1)