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** Up:** Near Optimal Multiple Sequence
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Since now each gap of *t*_{k} is also in *a*_{k} at the same position,
and each gap of *a*_{k} is in *t*_{k}, *a*_{k} is equal to *t*_{k}. This
means that we can simply add *t*_{k+1} to the MSA and rename
*t*_{k+1} to *a*_{k+1}.

*Chantal Korostensky*

*1999-07-14*