---
title: kUnicodeMapLineFeedToReturnMask
framework: Core Services
role: symbol
role_heading: Enumeration Case
platforms: [Mac Catalyst 17.0+, macOS 10.2+]
path: coreservices/1433493-conversion_masks/kunicodemaplinefeedtoreturnmask
---

# kUnicodeMapLineFeedToReturnMask

## Declaration

```occ
kUnicodeMapLineFeedToReturnMask = 1L << kUnicodeMapLineFeedToReturnBit
```

## Discussion

Discussion Specifies mapping o the LF (LineFeed) character used in Unix to represent new lines to the CR (CarriageReturn) used in  Mac encodings. This option has an effect only when used with the constant kUnicodeLooseMappingsMask. You can pass both constants  as  iControlFlags parameters to the functions ConvertFromUnicodeToText, ConvertFromUnicodeToTextRun, and ConvertFromUnicodeToScriptCodeRun.