---
type: "rule"
title: "R-UNRES-6"
description: "Boundary operators ('||...||', '⇒', '|...|') MAY appear adjacent to '?'/'…' — boundaries are independently observable."
resource: "tlctc:rule:R-UNRES-6"
tags:
  - "taxonomy"
  - "rule"
  - "may"
enforcement_level: "may"
machine_enforceable: false
---
# R-UNRES-6

Boundary operators ('||...||', '⇒', '|...|') MAY appear adjacent to '?'/'…' — boundaries are independently observable.

# Schema

- **Enforcement level:** may
- **Machine enforceable:** false