(https://github.com/ruby/reline/pull/795)

https://github.com/ruby/reline/commit/e0850cd5ba

key input
(https://github.com/ruby/reline/pull/792)

https://github.com/ruby/reline/commit/8f331edb07

(https://github.com/ruby/reline/pull/720)

* Refactor Reline::Unicode vi_ ed_ em_ methods

* Make Reline::Unicode's vi_ ed_ em_ method encoding safe

https://github.com/ruby/reline/commit/cdd7288978

(https://github.com/ruby/reline/pull/793)

* Undo and redo should restore indentation

Undo and redo should not perform auto indentation. It should not change the indentation. Instead, it should restore previous indentation.

* Rename ivar undoing(undoing or redoing) to restoring

https://github.com/ruby/reline/commit/6355a6e0b2

(https://github.com/ruby/reline/pull/791)

Cursor position calculation was wrong when the input line contains "\1" or CSI escape sequence.

https://github.com/ruby/reline/commit/a1943daaf4

key_bindings(escape sequence to symbol)
(https://github.com/ruby/reline/pull/715)

https://github.com/ruby/reline/commit/6a7e249374

(https://github.com/ruby/reline/pull/790)

Minimize the call of STDOUT.write
This will improve rendering performance especially when there is a busy thread `Thread.new{loop{}}`

https://github.com/ruby/reline/commit/a6fe45f5ba

(https://github.com/ruby/reline/pull/788)

https://github.com/ruby/reline/commit/7d44770c84

candidates
(https://github.com/ruby/reline/pull/787)

https://github.com/ruby/reline/commit/8588be652f

(https://github.com/ruby/reline/pull/743)

* Fix RELINE_TEST_ENCODING

It was not working because it was not environment variable.

* Fix Encoding::CompatibilityError: Shift_JIS is not compatible with UTF-8

Error: test_completion_append_character(Reline::KeyActor::EmacsTest): Encoding::CompatibilityError: Shift_JIS is not compatible with UTF-8
/home/runner/work/reline/reline/lib/reline/line_editor.rb:814:in 'block in Reline::LineEditor#filter_normalize_candidates'
/home/runner/work/reline/reline/lib/reline/line_editor.rb:808:in 'Array#select'
/home/runner/work/reline/reline/lib/reline/line_editor.rb:808:in 'Reline::LineEditor#filter_normalize_candidates'
/home/runner/work/reline/reline/lib/reline/line_editor.rb:831:in 'Reline::LineEditor#perform_completion'
/home/runner/work/reline/reline/lib/reline/line_editor.rb:1434:in 'Reline::LineEditor#complete'
/home/runner/work/reline/reline/lib/reline/line_editor.rb:961:in 'Method#call'
/home/runner/work/reline/reline/lib/reline/line_editor.rb:961:in 'Reline::LineEditor#wrap_method_call'
/home/runner/work/reline/reline/lib/reline/line_editor.rb:1029:in 'block in Reline::LineEditor#process_key'
/home/runner/work/reline/reline/lib/reline/line_editor.rb:932:in 'Reline::LineEditor#run_for_operators'
/home/runner/work/reline/reline/lib/reline/line_editor.rb:1028:in 'Reline::LineEditor#process_key'
/home/runner/work/reline/reline/lib/reline/line_editor.rb:1051:in 'Reline::LineEditor#normal_char'
/home/runner/work/reline/reline/lib/reline/line_editor.rb:1089:in 'Reline::LineEditor#input_key'
/home/runner/work/reline/reline/test/reline/helper.rb:124:in 'block in Reline::TestCase#input_keys'
/home/runner/work/reline/reline/test/reline/helper.rb:117:in 'Array#each'
/home/runner/work/reline/reline/test/reline/helper.rb:117:in 'Reline::TestCase#input_keys'
/home/runner/work/reline/reline/test/reline/test_key_actor_emacs.rb:948:in 'Reline::KeyActor::EmacsTest#test_completion_append_character'
===============================================================================
===============================================================================
Error: test_continuous_completion_disabled_with_perfect_match(Reline::KeyActor::EmacsTest): Encoding::CompatibilityError: Shift_JIS is not compatible with UTF-8
/home/runner/work/reline/reline/lib/reline/line_editor.rb:814:in 'block in Reline::LineEditor#filter_normalize_candidates'
/home/runner/work/reline/reline/lib/reline/line_editor.rb:808:in 'Array#select'
/home/runner/work/reline/reline/lib/reline/line_editor.rb:808:in 'Reline::LineEditor#filter_normalize_candidates'
/home/runner/work/reline/reline/lib/reline/line_editor.rb:831:in 'Reline::LineEditor#perform_completion'
/home/runner/work/reline/reline/lib/reline/line_editor.rb:1434:in 'Reline::LineEditor#complete'
/home/runner/work/reline/reline/lib/reline/line_editor.rb:961:in 'Method#call'
/home/runner/work/reline/reline/lib/reline/line_editor.rb:961:in 'Reline::LineEditor#wrap_method_call'
/home/runner/work/reline/reline/lib/reline/line_editor.rb:1029:in 'block in Reline::LineEditor#process_key'
/home/runner/work/reline/reline/lib/reline/line_editor.rb:932:in 'Reline::LineEditor#run_for_operators'
/home/runner/work/reline/reline/lib/reline/line_editor.rb:1028:in 'Reline::LineEditor#process_key'
/home/runner/work/reline/reline/lib/reline/line_editor.rb:1051:in 'Reline::LineEditor#normal_char'
/home/runner/work/reline/reline/lib/reline/line_editor.rb:1089:in 'Reline::LineEditor#input_key'
/home/runner/work/reline/reline/test/reline/helper.rb:124:in 'block in Reline::TestCase#input_keys'
/home/runner/work/reline/reline/test/reline/helper.rb:117:in 'Array#each'
/home/runner/work/reline/reline/test/reline/helper.rb:117:in 'Reline::TestCase#input_keys'
/home/runner/work/reline/reline/test/reline/test_key_actor_emacs.rb:936:in 'Reline::KeyActor::EmacsTest#test_continuous_completion_disabled_with_perfect_match'
===============================================================================
===============================================================================
Error: test_continuous_completion_with_perfect_match(Reline::KeyActor::EmacsTest): Encoding::CompatibilityError: Shift_JIS is not compatible with UTF-8
/home/runner/work/reline/reline/lib/reline/line_editor.rb:814:in 'block in Reline::LineEditor#filter_normalize_candidates'
/home/runner/work/reline/reline/lib/reline/line_editor.rb:808:in 'Array#select'
/home/runner/work/reline/reline/lib/reline/line_editor.rb:808:in 'Reline::LineEditor#filter_normalize_candidates'
/home/runner/work/reline/reline/lib/reline/line_editor.rb:831:in 'Reline::LineEditor#perform_completion'
/home/runner/work/reline/reline/lib/reline/line_editor.rb:1434:in 'Reline::LineEditor#complete'
/home/runner/work/reline/reline/lib/reline/line_editor.rb:961:in 'Method#call'
/home/runner/work/reline/reline/lib/reline/line_editor.rb:961:in 'Reline::LineEditor#wrap_method_call'
/home/runner/work/reline/reline/lib/reline/line_editor.rb:1029:in 'block in Reline::LineEditor#process_key'
/home/runner/work/reline/reline/lib/reline/line_editor.rb:932:in 'Reline::LineEditor#run_for_operators'
/home/runner/work/reline/reline/lib/reline/line_editor.rb:1028:in 'Reline::LineEditor#process_key'
/home/runner/work/reline/reline/lib/reline/line_editor.rb:1051:in 'Reline::LineEditor#normal_char'
/home/runner/work/reline/reline/lib/reline/line_editor.rb:1089:in 'Reline::LineEditor#input_key'
/home/runner/work/reline/reline/test/reline/helper.rb:124:in 'block in Reline::TestCase#input_keys'
/home/runner/work/reline/reline/test/reline/helper.rb:117:in 'Array#each'
/home/runner/work/reline/reline/test/reline/helper.rb:117:in 'Reline::TestCase#input_keys'
/home/runner/work/reline/reline/test/reline/test_key_actor_emacs.rb:924:in 'Reline::KeyActor::EmacsTest#test_continuous_completion_with_perfect_match'
===============================================================================
Finished in 2.118582151 seconds.
385 tests, 1762 assertions, 0 failures, 3 errors, 0 pendings, 3 omissions, 0 notifications

https://github.com/ruby/reline/commit/4df825c48f