For a button, the object / field properties
can link the text from e-mail subject to some of the fields from the form, such as last name,
e-mail subject (text) + last_name
Idea is that the E-mail subject have value :E-mail text (default value) + value from text field from form (variable)
Mail from Mike
Dynamically setting a submit by e-mail address
http://acrobatusers.com/tutorials/dynamically-setting-submit-e-mail-address) - answer.
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