diff options
| -rw-r--r-- | lib/reline.rb | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/lib/reline.rb b/lib/reline.rb index 2708cd91b5..1537ee7e69 100644 --- a/lib/reline.rb +++ b/lib/reline.rb @@ -336,8 +336,14 @@ module Reline @ambiguous_width = 2 if Reline::IOGate == Reline::GeneralIO or STDOUT.is_a?(File) return if ambiguous_width Reline::IOGate.move_cursor_column(0) - output.write "\u{25bd}" - @ambiguous_width = Reline::IOGate.cursor_pos.x + begin + output.write "\u{25bd}" + rescue Encoding::UndefinedConversionError + # LANG=C + @ambiguous_width = 1 + else + @ambiguous_width = Reline::IOGate.cursor_pos.x + end Reline::IOGate.move_cursor_column(0) Reline::IOGate.erase_after_cursor end |