7.4 Variable Fields, 7.4.1 General - "Since their functionality is closely related to that of the variable fields, they are also described in this section." *closely related*?

7.4.1 reads in part:

"Expression and text input fields are also variable fields, but they are not associated with any defined variables. Since their functionality is closely related to that of the variable fields, they are also described in this section."

Since this is the introductory section, mentioning that expression and text input fields will be defined is appropriate. Reasons for explaining them here are irrelevant.

Delete second sentence.