jEdit 5.3.0

What's new in this version:

BUG FIXES:
- EditBuffer.isFoldEnd() was unable to detect the fold end when it was the last line
- More accurate wrap margin calculation
- Fix AWT thread-safety issue in VFSManager.error()
- Order of unsorted buffers now preserved in View.getBuffers()
- Support for negative line spacing
- Fix bug #3671: autodetect text file encoding in HelpViewer
- Fix bug #3881, non-capturing lookahead in regex search didn't work
- Fix bug #3184: File browser completion dives into wrong directory
- Fix bug #2833 Plugin jars dependencies not removed
- Fix bug #3911, text area was scrolling to the left when saving
- Fix bug #3599 Key typing in Install panel. Search Field gets focus on show and when one types '/' or a letter in the list
- Fix bug #2877 "Hide installed" checkbox in Install panel. Don't re-install unloaded plugins

UI IMPROVEMENTS:
- Handling of NUMPAD keys cleanup
- Scalable GUI for tip-of-the-day
- Scalable ColorWell icon according to UI font
- Proper L&F font for syntax style table
- Proper row height default for JTable, JTree with 4K displays
- More font size choices for 4K and higher-res displays
- EOL marker character is a localizable property (view.eolMarkerChar), and an arrow (↩) instead of period (.)
- Proper button margins for Nimbus L&F
- Floating dockables as JDialog
- CompletionPopup should accept TAB for completion selection
- Separated sorting of Buffer Sets and Buffer Switcher
- Font properties were not applied after change in Appearances settings
- Allow columns to be rearranged in FSB
- Align gutter numbers with lines when using additional vertical line spacing
- Added option to hide open files from recent file list
- UI adjustment to allow adding new mode files by point and click
- No error message when PluginManager doesn't find a file to be removed and show files to be removed in alphabetical order
- Plugin Manager Manage Panel sortable on all columns and all directions

MISCELLANEOUS:
- New Korean translation file
- Resize performance improvement
- Properties are sorted when saved
- Configure the JUnit task to fork off the Ant process, with manually adding the needed Ant libraries. This ensures that there are no unwanted classpath entries during test execution

API CHANGES:
- View now sends ViewUpdate message on EditBus when full screen mode is toggled
- This is useful to plugins that may need to adjust their appearance when the screen mode is toggled. Close-all sends BufferClosing events on EditBus for each buffer closed.
- This is useful to plugins that record closed files. org.gjt.sp.util.StandardUtilities#compareStrings accepts null Strings

EDITING:
- Updates to Clojure mode
- More conventional color scheme for diffs and changesets
- Updates to Scala Mode
- New mode for rust
- New mode for Kotlin syntax
- Updates to cfscript mode
- New mode for ANS Forth 1994
- New mode for mustache templates
- New mode for Antlr 4
- Updates to properties mode
- Updated Go mode
- Allow editing, but not saving, of read only files
- Added Markdown mode from Peter Lynch
- Better mode selection for files that match multiple modes