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-rw-r--r--lib/reline/ansi.rb5
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/reline/ansi.rb b/lib/reline/ansi.rb
index 1570a99c55..d1a0e5b138 100644
--- a/lib/reline/ansi.rb
+++ b/lib/reline/ansi.rb
@@ -335,9 +335,12 @@ class Reline::ANSI
@@output.write "\e[K"
end
+ # This only works when the cursor is at the bottom of the scroll range
+ # For more details, see https://github.com/ruby/reline/pull/577#issuecomment-1646679623
def self.scroll_down(x)
return if x.zero?
- @@output.write "\e[#{x}S"
+ # We use `\n` instead of CSI + S because CSI + S would cause https://github.com/ruby/reline/issues/576
+ @@output.write "\n" * x
end
def self.clear_screen