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-rw-r--r--lib/reline/line_editor.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/reline/line_editor.rb b/lib/reline/line_editor.rb
index f068a3c821..bc795b8a3d 100644
--- a/lib/reline/line_editor.rb
+++ b/lib/reline/line_editor.rb
@@ -796,7 +796,7 @@ class Reline::LineEditor
new_lines = whole_lines
end
new_indent = @auto_indent_proc.(new_lines, @line_index, @byte_pointer, @check_new_auto_indent)
- if new_indent
+ if new_indent&.>= 0
md = new_lines[@line_index].match(/\A */)
prev_indent = md[0].count(' ')
if @check_new_auto_indent