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Missing the '=' and '>' control codes #141

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kfreezen opened this issue Jan 15, 2021 · 3 comments · May be fixed by #193
Open

Missing the '=' and '>' control codes #141

kfreezen opened this issue Jan 15, 2021 · 3 comments · May be fixed by #193

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@kfreezen
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I ran across this bug while using pyte to strip control codes from output for an expectation script. The two codes are

  • DECKPAM - Set alternate keypad mode
  • DECKPNM - Set alternate numeric keypad mode

I suspect my terminal inserts the DECKPAM code because I use a non-QWERTY keyboard layout.
@kfreezen kfreezen mentioned this issue Jan 15, 2021
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@deathaxe
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This issue affects applications interacting with FISH Shell 4.0+, which sends \x1b[=0u and \x1b[=5u sequences by default.

related with: fish-shell/fish-shell#11054

implementation details: https://sw.kovidgoyal.net/kitty/keyboard-protocol/

It causes Terminus package for Sublime Text to display misterious 0u and 5u characters in terminal output.

see: https://forum.sublimetext.com/t/latest-dev-builds-broke-terminus-with-fish-shell/75587/6

@superbobry
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Feel free to send a PR adding them.

@deathaxe deathaxe linked a pull request Apr 18, 2025 that will close this issue
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@deathaxe
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It turns out alternative keyboard modes being unrelated with keypad mode escape sequences.

While keypad mode is controlled via ESC = and ESC >, keyboard modes use CSI =, CSI < and CSI >.

@deathaxe deathaxe mentioned this issue Apr 18, 2025
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Add keypad mode escape sequences DECKPAM and DECKPNM deathaxe/pyte
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@superbobry @kfreezen @deathaxe