Ctensor.texi parenthesis adjust



Hi.

in Ctensor.texi there is:

Therefore, a meaningful computation sequence may begin with a frame
base, which is then used to compute lg (computed automatically by cmetric
and
then ug.

It is not obvious for me if the better is

Therefore, a meaningful computation sequence may begin with a frame
base, which is then used to compute lg (computed automatically by cmetric)
and
then ug.

or

Therefore, a meaningful computation sequence may begin with a frame
base, which is then used to compute lg (computed automatically by cmetric
and
then ug).

or

Therefore, a meaningful computation sequence may begin with a frame
base, which is then used to compute lg computed automatically by cmetric and
then ug.

Thanks.
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