mirror of
https://github.com/alacritty/alacritty.git
synced 2024-11-18 13:55:23 -05:00
Fix regional scrolling leaking into history
This fixes an issue where a scrolling region that does not start at the top of the screen would still rotate lines into history when scrolling the content "upwards".
This commit is contained in:
Christian Duerr
GitHub
parent
de12f03812
commit
f1853a031d
7 changed files with 126 additions and 22 deletions
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@ -22,6 +22,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
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- C0 and C1 codes being emitted in associated text when using kitty keyboard
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- Occasional hang on startup with some Wayland compositors
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- Missing key for `NumpadDecimal` in key bindings
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- Scrolling content upwards moving lines into history when it shouldn't
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### Changed
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@ -268,6 +268,8 @@ impl<T: GridCell + Default + PartialEq + Clone> Grid<T> {
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self.display_offset = min(self.display_offset + positions, self.max_scroll_limit);
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}
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// Only rotate the entire history if the active region starts at the top.
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if region.start == 0 {
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// Create scrollback for the new lines.
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self.increase_scroll_limit(positions);
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@ -277,8 +279,8 @@ impl<T: GridCell + Default + PartialEq + Clone> Grid<T> {
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// know that the position of the fixed lines before the rotation must already be
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// visible.
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//
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// We need to start from the bottom, to make sure the fixed lines aren't swapped with each
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// other.
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// We need to start from the bottom, to make sure the fixed lines aren't swapped with
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// each other.
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for i in (0..region.start.0).rev().map(Line::from) {
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self.raw.swap(i, i + positions);
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}
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@ -286,15 +288,21 @@ impl<T: GridCell + Default + PartialEq + Clone> Grid<T> {
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// Rotate the entire line buffer upward.
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self.raw.rotate(-(positions as isize));
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// Ensure all new lines are fully cleared.
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let screen_lines = self.screen_lines();
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for i in ((screen_lines - positions)..screen_lines).map(Line::from) {
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self.raw[i].reset(&self.cursor.template);
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// Swap the fixed lines at the bottom back into position.
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let screen_lines = self.screen_lines() as i32;
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for i in (region.end.0..screen_lines).rev().map(Line::from) {
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self.raw.swap(i, i - positions);
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}
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} else {
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// Rotate lines without moving anything into history.
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for i in (region.start.0..region.end.0 - positions as i32).map(Line::from) {
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self.raw.swap(i, i + positions);
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}
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}
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// Swap the fixed lines at the bottom back into position.
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for i in (region.end.0..(screen_lines as i32)).rev().map(Line::from) {
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self.raw.swap(i, i - positions);
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// Ensure all new lines are fully cleared.
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for i in (region.end.0 - positions as i32..region.end.0).map(Line::from) {
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self.raw[i].reset(&self.cursor.template);
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}
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}
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@ -71,6 +71,7 @@ ref_tests! {
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zerowidth
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zsh_tab_completion
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erase_in_line
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scroll_in_region_up_preserves_history
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}
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fn read_u8<P>(path: P) -> Vec<u8>
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@ -0,0 +1,91 @@
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]0;undeadleech@archhq:~/programming/alacritty/alacritty[?2004h[undeadleech@archhq alacritty]$ ls -lah
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[?2004l
total 464K
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drwxr-xr-x 13 undeadleech undeadleech 4.0K Feb 12 20:50 .
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drwxr-xr-x 15 undeadleech undeadleech 4.0K Dec 9 18:42 ..
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drwxr-xr-x 5 undeadleech undeadleech 4.0K Feb 10 09:04 alacritty
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drwxr-xr-x 3 undeadleech undeadleech 4.0K Feb 10 09:04 alacritty_config
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drwxr-xr-x 4 undeadleech undeadleech 4.0K Feb 10 09:04 alacritty_config_derive
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-rw-r--r-- 1 undeadleech undeadleech 115 Feb 12 20:51 alacritty.recording
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drwxr-xr-x 4 undeadleech undeadleech 4.0K Feb 10 09:04 alacritty_terminal
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drwxr-xr-x 2 undeadleech undeadleech 4.0K Jan 8 23:30 .builds
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-rw-r--r-- 1 undeadleech undeadleech 62K Feb 12 18:19 Cargo.lock
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-rw-r--r-- 1 undeadleech undeadleech 201 Jan 8 23:29 Cargo.toml
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-rw-r--r-- 1 undeadleech undeadleech 56K Feb 10 09:04 CHANGELOG.md
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-rw-r--r-- 1 undeadleech undeadleech 18 Feb 12 20:50 config.json
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-rw-r--r-- 1 undeadleech undeadleech 7.9K Feb 10 09:04 CONTRIBUTING.md
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drwxr-xr-x 2 undeadleech undeadleech 4.0K Feb 10 09:04 docs
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-rw-r--r-- 1 undeadleech undeadleech 240 Jan 8 23:29 .editorconfig
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drwxr-xr-x 8 undeadleech undeadleech 4.0K Feb 10 09:04 extra
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drwxr-xr-x 8 undeadleech undeadleech 4.0K Feb 12 20:50 .git
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drwxr-xr-x 3 undeadleech undeadleech 4.0K Oct 14 2022 .github
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-rw-r--r-- 1 undeadleech undeadleech 7 Oct 14 2022 .gitignore
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-rw-r--r-- 1 undeadleech undeadleech 212K Feb 12 20:50 grid.json
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-rw-r--r-- 1 undeadleech undeadleech 11K Jan 8 23:29 INSTALL.md
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-rw-r--r-- 1 undeadleech undeadleech 11K Sep 1 2022 LICENSE-APACHE
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-rw-r--r-- 1 undeadleech undeadleech 1023 Jan 15 2023 LICENSE-MIT
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-rw-r--r-- 1 undeadleech undeadleech 3.2K Jan 8 23:29 Makefile
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-rw-r--r-- 1 undeadleech undeadleech 4.2K Feb 10 09:04 README.md
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-rw-r--r-- 1 undeadleech undeadleech 421 Oct 14 2022 rustfmt.toml
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drwxr-xr-x 2 undeadleech undeadleech 4.0K Sep 1 2022 scripts
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-rw-r--r-- 1 undeadleech undeadleech 32 Feb 12 20:50 size.json
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drwxr-xr-x 6 undeadleech undeadleech 4.0K Feb 12 18:19 target
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-rw-r--r-- 1 undeadleech undeadleech 27 Apr 9 2023 TODO
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]0;undeadleech@archhq:~/programming/alacritty/alacritty[?2004h[undeadleech@archhq alacritty]$ echo -e "\e[1[K2r"
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[?2004l
[2r
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]0;undeadleech@archhq:~/programming/alacritty/alacritty[?2004h[undeadleech@archhq alacritty]$ ls
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[?2004l
alacritty Cargo.toml grid.json rustfmt.toml
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alacritty_config CHANGELOG.md INSTALL.md scripts
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alacritty_config_derive config.json LICENSE-APACHE size.json
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alacritty.recording CONTRIBUTING.md LICENSE-MIT target
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alacritty_terminal docs Makefile TODO
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Cargo.lock extra README.md
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]0;undeadleech@archhq:~/programming/alacritty/alacritty[?2004h[undeadleech@archhq alacritty]$ ls
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[?2004l
alacritty Cargo.toml grid.json rustfmt.toml
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alacritty_config CHANGELOG.md INSTALL.md scripts
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alacritty_config_derive config.json LICENSE-APACHE size.json
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alacritty.recording CONTRIBUTING.md LICENSE-MIT target
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alacritty_terminal docs Makefile TODO
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Cargo.lock extra README.md
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]0;undeadleech@archhq:~/programming/alacritty/alacritty[?2004h[undeadleech@archhq alacritty]$ ls
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[?2004l
alacritty Cargo.toml grid.json rustfmt.toml
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alacritty_config CHANGELOG.md INSTALL.md scripts
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alacritty_config_derive config.json LICENSE-APACHE size.json
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alacritty.recording CONTRIBUTING.md LICENSE-MIT target
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alacritty_terminal docs Makefile TODO
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Cargo.lock extra README.md
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]0;undeadleech@archhq:~/programming/alacritty/alacritty[?2004h[undeadleech@archhq alacritty]$ ls
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[?2004l
alacritty Cargo.toml grid.json rustfmt.toml
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alacritty_config CHANGELOG.md INSTALL.md scripts
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alacritty_config_derive config.json LICENSE-APACHE size.json
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alacritty.recording CONTRIBUTING.md LICENSE-MIT target
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alacritty_terminal docs Makefile TODO
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Cargo.lock extra README.md
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]0;undeadleech@archhq:~/programming/alacritty/alacritty[?2004h[undeadleech@archhq alacritty]$ ls
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[?2004l
alacritty Cargo.toml grid.json rustfmt.toml
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alacritty_config CHANGELOG.md INSTALL.md scripts
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alacritty_config_derive config.json LICENSE-APACHE size.json
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alacritty.recording CONTRIBUTING.md LICENSE-MIT target
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alacritty_terminal docs Makefile TODO
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Cargo.lock extra README.md
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]0;undeadleech@archhq:~/programming/alacritty/alacritty[?2004h[undeadleech@archhq alacritty]$ ls
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[?2004l
alacritty Cargo.toml grid.json rustfmt.toml
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alacritty_config CHANGELOG.md INSTALL.md scripts
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alacritty_config_derive config.json LICENSE-APACHE size.json
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alacritty.recording CONTRIBUTING.md LICENSE-MIT target
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alacritty_terminal docs Makefile TODO
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Cargo.lock extra README.md
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]0;undeadleech@archhq:~/programming/alacritty/alacritty[?2004h[undeadleech@archhq alacritty]$ ls
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[?2004l
alacritty Cargo.toml grid.json rustfmt.toml
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alacritty_config CHANGELOG.md INSTALL.md scripts
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alacritty_config_derive config.json LICENSE-APACHE size.json
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alacritty.recording CONTRIBUTING.md LICENSE-MIT target
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alacritty_terminal docs Makefile TODO
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Cargo.lock extra README.md
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]0;undeadleech@archhq:~/programming/alacritty/alacritty[?2004h[undeadleech@archhq alacritty]$ ls
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[?2004l
alacritty Cargo.toml grid.json rustfmt.toml
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alacritty_config CHANGELOG.md INSTALL.md scripts
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alacritty_config_derive config.json LICENSE-APACHE size.json
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alacritty.recording CONTRIBUTING.md LICENSE-MIT target
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alacritty_terminal docs Makefile TODO
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Cargo.lock extra README.md
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]0;undeadleech@archhq:~/programming/alacritty/alacritty[?2004h[undeadleech@archhq alacritty]$
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@ -0,0 +1 @@
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{"history_size":10}
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File diff suppressed because one or more lines are too long
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@ -0,0 +1 @@
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{"columns":80,"screen_lines":30}
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