What does 見他失便, 便說他過 mean?

In the old Chinese text "Tractate of the Most High One on Actions and Consequences (太上感應篇)," there is a list of several actions that are considered wicked. Among those actions was listed the following:

Sentence

(見(견)他(타)失(실)便(변), 便(변)說(설)他(타)過(과)

Vocabulary

• 見 -- to see
• 他 -- another; others
• 失 -- to lose
• 便 -- to be comfortable; urine, feces; then
• 說 -- to speak
• 過 -- to pass; mistake

Translation

"[Someone who] sees (見) another (他) lose (失) [control of his] urine or feces (便) [and] then (便) speaks (說) [to] others (他) [about] the mistake (過)."

Explanation 

I have seen 失便 (실편) translated as "lose convenience" or "to be in temporary difficulties," but that does not make sense to me. I think the intended meaning was "lose control of one's bladder or bowels," which would mean it should be pronounced in Korean as 실변 since 便 is pronounced as either 편 or 변 depending on its intended meaning. I am sure that even in old China people pooped or peed their pants every once in a while, especially many of the older people who probably suffered from fecal or urinary incontinence. Consider the following sentence from the medical text 奇效良方:

失便 病患不覺, 大小便自出者, 乃是大小腸無氣也, 後日必死, 慎勿刺之.

Besides, if a person told others that someone accidentally peed or pooped his pants, that person would be wicked, indeed.