CotEditor 3.9.0

What's new in this version:

New Features:
- Rewrite the invisible character drawing feature to draw alternative symbols more properly under various environments
- Add an option to draw indent guides
- Display Unicode's general category in the character inspector

Improvements:
- Adjust the text baseline to draw characters vertically center in lines
- Optimize the performance of “Replace All” with a large number of matches
- Improve the performance when pasting a huge text
- Remove the text encoding option for opened documents; instead, the encoding is always detected automatically when opening an existing file
- Update the Unicode block table to the latest Unicode 13.0.0
- Duplicate lines more intelligently
- Improve the encodings list edit view
- Adjust the width of toolbar items
- Remove “vertical orientation” from the selections of the Writing Direction toolbar button
- Make borders of line number views and opacity sample tips more distinct in the high-contrast mode
- Adjust the visible area after unwrapping lines in RTL text mode
- Remove the default value of the snippet keybindings, that inserts <br /> with ⇧↩
- Update help content
- [trivial] Rename “Auto-Detect,” the option detecting the file encoding automatically, to “Automatic.
- [trivial] Omit surrogate pair code points in the character inspector if the character consists of multiple Unicode characters
- [trivial] Adjust the drawing position of the zoomed character in the character inspector
- [trivial] Update some labels in the Format pane
- [trivial] Display default values as the input field's placeholder for window size setting when empty
- [trivial] Remove the snippet keybindings setting migration from CotEdtiror 2.x format and earlier
- [trivial] Make the identifier for document autosaving longer
- [dev] Update the build environment to Xcode 11.5 (Swift 5.2)
- [dev] Replace YAML.framework with Yams
- [dev] Remove Carthage dependency
- [dev] Migrate codesign-specific build settings to .xcconfig

Fixes:
- Fix an issue where the application crashed when a hanging indent depth becomes larger than the editor area
- Fix an issue where the application hung up by extending the selection with shortcut ⌥⇧→ when the character to select is a national flag emoji
- Fix an issue where the item “Automatic” (ex. Auto-Detect) was missing in the encoding selections in the open panel
- Fix an issue with multiple cursors where extra characters were deleted when performing forward delete with selection
- Fix an issue with multiple cursors where just a single UTF-16 character was deleted instead of the whole character when the character to delete consists of multiple UTF-16 characters
- Fix an issue where the outline menu could select the wrong item while typing
- Fix an issue where the line numbers could be shifted when printing vertical text orientation documents
- Fix an issue where line endings could remain when deleting duplicate lines with multiple selections
- Fix an issue in the character inspector where the inspector was not shown when the target character is hidden due to scroll
- Fix an issue in the line number view where the line number of the current line was not bolded under a specific condition
- Fix an issue in scripting with AppleScript/JXA where the application crashed by performing string in ... command
- Fix an issue in scripting with AppleScript/JXA where the contents of a document can rarely be overwritten with the contents of another document window under very specific conditions
- Fix an issue with scripting with AppleScript/JXA where the line range command selected a wrong range when the line endings of the document are CRLF
- Fix an issue with scripting with AppleScript/JXA where selecting a single line by specifying a single integer argument to line range did not work
- Fix an issue in the editor where lines were initially wrapped at the wrong position when the text orientation is vertical
- Fix an issue where the theme color was not applied to the color of typed text in split view
- Fix an issue in the RTL text mode where the page guide disappeared when lines are unwrapped
- Fix an issue where the current line highlight did not update properly after changing some settings
- Fix an issue in the find panel's input fields where a regular expression pattern for Unicode code point was not highlighted properly when the hex contains uppercase letters
- Fix an issue in the find panel's input fields where invisible control characters were drawn in the normal text color under specific conditions
- Fix an issue where the print font name in the Print pane was drawn in black even in the dark mode
- Fix an issue in the editor where the previous drawing could remain in a blank space after changing a display setting of the editor
- Fix the help button in the advanced find options view
- Fix missing localization