Etiquette taught that cross-street speech violated public-decency codes

Evidence

Never speak to your acquaintance from one side of the street to the other. Shouting is a certain sign of vulgarity. First approach, then make your communication to your acquaintance or friends in a moderately loud tone of voice. — Lyn H. Lofland, World of Strangers_ Order and Action in…, 676

Categorization

• XREF: connects to: Etiquette regulates which conversations get a comfortable public context — Nina Eliasoph, Avoiding politics: how Americans…, 180