tree f71dc7d3d527fd5d382c96e423253259618d0f3b
parent 53554ae54d4f32ba4e05d815692e0a8b8c202d9e
author Igor Sysoev <igor@sysoev.ru> 1232123363 +0000
committer Igor Sysoev <igor@sysoev.ru> 1232123363 +0000

allow insertion range if its start or end is the same as existent one