[ruby/reline] Long line performance

(https://github.com/ruby/reline/pull/688)

* Improve C-e (ed_move_to_end) performance for long line

* Reline::Unicode.split_by_width optimization for RESET_SGR

0c8d3c827a

lib/reline/unicode.rb

@@ -145,7 +145,13 @@ class Reline::Unicode
         lines.last << NON_PRINTING_END
       when csi
         lines.last << csi
-        seq << csi
+        unless in_zero_width
+          if csi == -"\e[m" || csi == -"\e[0m"
+            seq.clear
+          else
+            seq << csi
+          end
+        end
       when osc
         lines.last << osc
         seq << osc