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-rw-r--r--lib/diff/lcs/internals.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/diff/lcs/internals.rb b/lib/diff/lcs/internals.rb
index fe4ed9b..9d9e3f3 100644
--- a/lib/diff/lcs/internals.rb
+++ b/lib/diff/lcs/internals.rb
@@ -49,6 +49,7 @@ class << Diff::LCS::Internals
(a[a_start] == b[b_start]))
vector[a_start] = b_start
a_start += 1
+ b_start += 1
end
b_start = a_start