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-rw-r--r--lib/jcode.rb7
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/jcode.rb b/lib/jcode.rb
index fcf4f04730..6b123a839b 100644
--- a/lib/jcode.rb
+++ b/lib/jcode.rb
@@ -79,9 +79,12 @@ class String
reg = end_regexp
if self =~ reg
succ_table = SUCC[$KCODE[0,1].downcase]
+ last1 = self[-1].ord
+ last2 = self[-2].ord
begin
- self[-1] += succ_table[self[-1]]
- self[-2] += 1 if self[-1] == 0
+ last1 += succ_table[last1]
+ last2 += 1 if last1 == 0
+ self[-2..-1] = [last2, last1].pack("C*")
end while self !~ reg
self
else