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-rw-r--r--CHANGELOG.md1
-rw-r--r--alacritty_terminal/src/term/mod.rs7
2 files changed, 6 insertions, 2 deletions
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 006000b0..3fc0456e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -80,6 +80,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
- Terminal going transparent during visual bell
- Selection not being cleared when sending chars through a binding
- Mouse protocols/encodings not being mutually exclusive within themselves
+- Escape `CSI Ps M` deleting lines above cursor when at the bottom of the viewport
### Removed
diff --git a/alacritty_terminal/src/term/mod.rs b/alacritty_terminal/src/term/mod.rs
index 063897cf..f0f38941 100644
--- a/alacritty_terminal/src/term/mod.rs
+++ b/alacritty_terminal/src/term/mod.rs
@@ -1564,9 +1564,12 @@ impl<T: EventListener> ansi::Handler for Term<T> {
#[inline]
fn delete_lines(&mut self, lines: Line) {
+ let origin = self.cursor.point.line;
+ let lines = min(self.lines() - origin, lines);
+
trace!("Deleting {} lines", lines);
- if self.scroll_region.contains(&self.cursor.point.line) {
- let origin = self.cursor.point.line;
+
+ if lines.0 > 0 && self.scroll_region.contains(&self.cursor.point.line) {
self.scroll_up_relative(origin, lines);
}
}