Minor syntax changes

Removed unnecessary comma.

Minor syntax changes.

Minor syntax changes.

Minor syntax changes.

Minor syntax changes.

Minor syntax changes.

Minor syntax changes.

Minor syntax changes.

fixes #5683

close #6128

issue #6126

If there is no active module

fixes #6084

Minor syntax changes.

Minor syntax changes.

Minor syntax changes.

Minor syntax changes.

Minor syntax changes.

A small modification

little fix

close #6098

Minor words order fix.