layout/docs/LayoutDebugger.md


1
2
3
4
5
6
7
8
9
10
11
12

# Layout Debugger

## Overview

The layout debugger can dump a variety of things including:
- Matched CSS Rules
- Text Runs
- Frames

## Usage
- Use a debug build or add `ac_add_options --enable-layout-debugger` to your mozconfig.
- Run with `./mach run --layoutdebug [filename]`