---
title: kUCBidiCatNonSpacingMark
framework: Core Services
role: symbol
role_heading: Enumeration Case
platforms: [Mac Catalyst 17.0+, macOS 10.0+]
path: coreservices/1400035-bidirectional_character_values/kucbidicatnonspacingmark
---

# kUCBidiCatNonSpacingMark

Unicode 3.0; NSM non-spacing mark.

## Declaration

```occ
kUCBidiCatNonSpacingMark = 18
```