Welcome to the ESL Specification Wiki!

This wiki contains the official specification for the ESL format (Expressive Subtitle Language), a rich, human-readable format designed for advanced and expressive subtitle presentations.

Please navigate through the articles below to understand the format's structure, syntax, and capabilities.

Table of Contents

Core Specification

• 1. Introduction to ESL

• 2. Overall Structure & Syntax

  • 2.1. File Encoding and Extension
  • 2.2. Base Syntax
  • 2.3. Top-Level Blocks

• 3. Block Specifications

  • 3.1. meta Block Specification
  • 3.2. style Block Specification
  • 3.3. motion Block Specification
  • 3.4. cue Block Specification

• 4. Inline Text Formatting

  • Describes supported HTML-like tags for styling within cue.text strings.

• 5. Data Types

  • Defines the primitive data types used in ESL.

---

We encourage you to read through these sections to gain a full understanding of the ESL format. If you have questions or suggestions for improving the specification, please open an issue on the main repository