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repl: surrogate pair upsets repl / terminal #690

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bnoordhuis opened this issue Feb 2, 2015 · 14 comments
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repl: surrogate pair upsets repl / terminal #690

bnoordhuis opened this issue Feb 2, 2015 · 14 comments
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confirmed-bug Issues with confirmed bugs. repl Issues and PRs related to the REPL subsystem. stalled Issues and PRs that are stalled.

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@bnoordhuis
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$ out/Release/iojs
> Buffer([0,0xD8,0,0xDC]).toString('utf16le')
'
# screen freezes

The REPL still accepts input but no longer echoes it. Typing in process.exit() cleanly shuts down the process but the terminal isn't reset, leaving it in an unusable state until you run reset(1).
@bnoordhuis bnoordhuis added the repl Issues and PRs related to the REPL subsystem. label Feb 2, 2015
@jasnell
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jasnell commented Feb 2, 2015

Unable to replicate the behavior in io.js 1.0.4 on macosx 10.10.

@bnoordhuis
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Sorry, I should have mentioned that this is with v1.x HEAD and that I can reproduce it with the stock FC21 terminal emulator and with the OS X 10.8 terminal emulator when ssh'ing into an FC21 box but not when run locally - and only when TERM=screen, TERM=xterm works.

@jasnell
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jasnell commented Feb 2, 2015

Ah... Just for completeness... did you double check the locale on the FC21 box?

@bnoordhuis
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It's en_US.UTF-8. Starting screen with e.g. LC_ALL=C doesn't make a difference. I'm not sure if screen is locale-aware, though.

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@Fishrock123
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Seems to work fine on mine...?

screen shot 2015-04-04 at 6 30 55 pm

(I can't seem to copy that character to my clipboard though..)

@Fishrock123
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but not when run locally - and only when TERM=screen

Oh, missed that.

@Fishrock123 Fishrock123 mentioned this issue Apr 5, 2015
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@brendanashworth brendanashworth added confirmed-bug Issues with confirmed bugs. confirmed-bug labels Apr 20, 2015
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@jdalton @bnoordhuis @jasnell @MylesBorins @Fishrock123 @d3x0r @brendanashworth