[819] Origin at Sāvatthī. Now at that time the group-of-six bhikkhus sat swaying the head in inhabited areas, letting the head droop. …
"I will not sit swaying the head in inhabited areas" — thus the training (sikkhā) is to be undertaken.
One should not sit swaying the head in inhabited areas; one should sit holding the head steady. Whoever, out of disrespect, sits swaying the head in an inhabited area, letting the head droop, commits an offense of wrong-doing (dukkaṭa).
There is no offense: for one who acts unintentionally; for one acting without mindfulness; for one who does not know; for one who is ill; for one who has gone to a lodging; in emergencies; for one who is insane; for the first offender.
The Ujjagghika Chapter, the second, is finished.
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The Khambhakata Chapter
English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.