Table of Contents

• Welcome
• Inspect documents

  • Get information about a document
  • Get information about a character
  • Handle various types of line endings
  • Find inconsistent line endings
  • Go to a specific line
  • Display invisible characters
  • Count characters
  • Split editor
  • Print a document
  • Open hidden files
  • Manage warnings
• Edit text

  • Edit multiple points
  • Select rectangular area
  • Indent text
  • Input a character using Unicode code point
  • Paste text
  • Find or replace text
  • Find or replace a line ending
  • Replace text by multiple rules
  • Sort lines using specific pattern
  • Complete a word
  • Drop files to editor
  • Use the regular expression
  • Insert text from camera
• Parse document syntax

  • Inspect outline of a document
  • Define a syntax
  • Define syntax highlighting
  • Define comment delimiters
  • Define Outline extraction rules
  • Map files to syntaxs
• Handle document’s text encoding

  • Find characters incompatible with document encoding
  • Change priorities of text encodings
  • Use encoding declarations for encoding detection
  • Use four kinds of Shift JIS properly
• Operate CotEditor

  • Perform action by typing
  • Work with cot command
• Customize CotEditor

  • Change settings
  • Change font type
  • Customize themes
  • Change the scope of completion words
  • Customize keyboard shortcuts
  • Customize toolbar
• Script CotEditor

  • Script CotEditor
  • Script CotEditor with AppleScript
  • Script CotEditor with UNIX script
  • Customize the Script menu
  • Run script on specific events
  • Support different CotEditor versions in AppleScript
• Solve problems

  • If characters aren’t appeared correctly
  • If syntax highlighting seems not working properly
  • If the Yen sign appears as a backslash
  • If your keyboard shortcut doesn’t work as you expect
  • If you can’t save a file
  • If CotEditor quits unexpectedly
  • If you can’t find a solution
• Learn about CotEditor

  • CotEditor’s source code
  • Release notes
  • Important changes in the past

    • Important changes on CotEditor 4.2
    • Important changes on CotEditor 2.2
    • Important changes on CotEditor 2.0
  • What’s New

    • What’s new in CotEditor 5.0
    • What’s new in CotEditor 4.8
    • What’s new in CotEditor 4.7
    • What’s new in CotEditor 4.6
    • What’s new in CotEditor 4.5
    • What’s new in CotEditor 4.4
    • What’s new in CotEditor 4.3
    • What’s new in CotEditor 4.2
    • What’s new in CotEditor 4.1
    • What’s new in CotEditor 4.0
    • What’s new in CotEditor 3.9
    • What’s new in CotEditor 3.8
    • What’s new in CotEditor 3.7
    • What’s new in CotEditor 3.6
    • What’s new in CotEditor 3.5
    • What’s new in CotEditor 3.4
    • What’s new in CotEditor 3.3
    • What’s new in CotEditor 3.2
    • What’s new in CotEditor 3.1
    • What’s new in CotEditor 3.0
    • What’s new in CotEditor 2.5
    • What’s new in CotEditor 2.4
    • What’s new in CotEditor 2.3
    • What’s new in CotEditor 2.2
    • What’s new in CotEditor 2.1
    • What’s new in CotEditor 2.0
  • Uninstall CotEditor