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Dec 19, 2025
lib/reline/io/windows - コピー.rb
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Can we translate the second word to English?
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That was windows - copy.rb in English and was an unnecessary file.
I apologize, but I'll go back and exclude it.
JRuby with newer JVM dows not seems to flush stdout at an expected timing. By explicitly flushing the output, the screen state is finalized before issuing win32api calls.
MRI addresses this by converting the control code output to the console to win32api or by enabling VT sequence output to the console. JRuby does not do these things. Handle this by enabling VT sequence output to the console. If that fails, when in legacy console, SGR code printed as a garbage.
JRuby with legacy console window on windows can not use ANSI control sequence. So SGR controls are displayed as garbage. Introduce character-only dialog display can provide reduced services. The current Command Prompt window and Terminal do not have this issue.
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fixes jruby/jruby#9126