1 Introduction

ERC is a powerful, modular, and extensible IRC client for Emacs. It is distributed with Emacs since version 22.1.

It comes with the following capabilities enabled by default.

• Flood control
• Timestamps
• Join channels automatically
• Buttonize URLs, nicknames, and other text
• Wrap long lines
• Highlight or remove IRC control characters
• Highlight pals, fools, and other keywords
• Detect netsplits
• Complete nicknames and commands in a programmable fashion
• Make displayed lines read-only
• Input history
• Track channel activity in the mode-line