# RELAX NG Compact Syntax

The RELAX NG Compact Syntax is compact, non-XML syntax for RELAX NG. It is now defined by an OASIS Committee Specification.

The following tools provide support for the syntax:

- Jing will validate using the compact syntax when the `-c` option is used
- Trang can translate schemas written in the compact syntax; in particular, trang can be used to translate schemas written in the compact syntax into the standard RELAX NG XML syntax